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TABLE OF CONTENTS
INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

As filed with the Securities and Exchange Commission on May 14, 2010

Registration No. 333-152671

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549



Amendment No. 6
to
FORM S-1
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933



First Wind Holdings Inc.
(Exact Name of Registrant as Specified in Its Charter)

Delaware
(State or Other Jurisdiction of
Incorporation or Organization)
  4911
(Primary Standard Industrial
Classification Code Number)
  26-2583290
(I.R.S. Employer
Identification Number)

179 Lincoln Street, Suite 500
Boston, MA 02111
617-960-2888

(Address, Including Zip Code, and Telephone Number, Including Area Code, of Registrant's Principal Executive Offices)



Paul Gaynor
Chief Executive Officer
First Wind Holdings Inc.
179 Lincoln Street, Suite 500
Boston, MA 02111
617-960-2888

(Name, Address, Including Zip Code, and Telephone Number, Including Area Code, of Agent For Service)



Copies to:

Paul H. Wilson, Jr.
Executive Vice President,
General Counsel and Secretary
First Wind Holdings Inc.
179 Lincoln Street, Suite 500
Boston, MA 02111
617-960-2888
  Richard J. Sandler
Joseph A. Hall
Davis Polk & Wardwell LLP
450 Lexington Avenue
New York, NY 10017
212-450-4000
  Dennis M. Myers, P.C.
Elisabeth M. Martin
Kirkland & Ellis LLP
300 North LaSalle
Chicago, IL 60654
312-862-2000



Approximate date of commencement of proposed sale to the public:
As soon as practicable after this Registration Statement is declared effective.

          If any securities being registered on this form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, as amended (the "Securities Act"), check the following box.    o

          If this form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.    o

          If this form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.    o

          If this form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.    o

          Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definitions of "large accelerated filer," "accelerated filer," and "smaller reporting company" in Rule 12b 2 of the Exchange Act. (Check one):



Large accelerated filer o   Accelerated filer o   Non-accelerated filer ý
(Do not check if a
smaller reporting company)
  Smaller reporting company o

          The registrant hereby amends this registration statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment which specifically states that this registration statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act or until this registration statement shall become effective on such date as the Commission, acting pursuant to said Section 8(a), may determine.


Table of Contents

The information in this prospectus is not complete and may be changed. We may not sell these securities until the registration statement relating to this prospectus filed with the Securities and Exchange Commission is declared effective. This prospectus is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted.

SUBJECT TO COMPLETION, DATED MAY 14, 2010

             Shares

LOGO

First Wind Holdings Inc.

Class A Common Stock



        We are offering             shares of our Class A common stock and we intend to use the net proceeds of this offering to fund capital expenditures and for general corporate purposes.

        We will be a holding company and our sole asset will be approximately         % of the Series A Membership Interests of First Wind Holdings, LLC. Concurrently with the completion of this offering, we will issue             and             shares of Class A and Class B common stock, respectively, to the continuing members of First Wind Holdings, LLC.

        Before this offering there has been no public market for our Class A common stock. The initial public offering price of our Class A common stock is expected to be between $             and $             per share. We have applied to list our Class A common stock on the Nasdaq Global Market under the symbol "WIND."

        The underwriters have an option to purchase up to             additional shares from us to cover over-allotments, if any.

        Investing in our Class A common stock involves risks. See "Risk Factors" beginning on page 15.

 
  Price to
Public
  Underwriting
Discounts and
Commissions
  Proceeds to First
Wind Holdings
Inc.
 
Per share   $                      $                      $                     
Total   $                      $                      $                     

        Delivery of the shares of Class A common stock will be made on or about                       .

        Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

Credit Suisse   Morgan Stanley   Goldman, Sachs & Co.   Deutsche Bank Securities

RBS

Citi   Macquarie Capital       Piper Jaffray   KeyBanc Capital Markets   SOCIETE GENERALE

The date of this prospectus is                       .


Table of Contents

GRAPHIC


Table of Contents


TABLE OF CONTENTS

 
  Page  

PROSPECTUS SUMMARY

    1  

RISK FACTORS

    15  

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

    37  

MARKET AND INDUSTRY DATA

    39  

USE OF PROCEEDS

    39  

DIVIDEND POLICY

    39  

CAPITALIZATION

    40  

DILUTION

    41  

UNAUDITED PRO FORMA FINANCIAL INFORMATION

    42  

SELECTED HISTORICAL FINANCIAL AND OPERATING DATA

    49  

MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

    53  

INDUSTRY

    84  

BUSINESS

    95  

MANAGEMENT

    124  

EXECUTIVE COMPENSATION

    131  

PRINCIPAL STOCKHOLDERS

    154  

CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS

    156  

THE REORGANIZATION AND OUR HOLDING COMPANY STRUCTURE

    161  

DESCRIPTION OF CAPITAL STOCK

    169  

SHARES ELIGIBLE FOR FUTURE SALE

    173  

MATERIAL U.S. FEDERAL TAX CONSIDERATIONS FOR NON-U.S. HOLDERS OF CLASS A COMMON STOCK

    175  

UNDERWRITING

    177  

NOTICE TO CANADIAN RESIDENTS

    184  

LEGAL MATTERS

    186  

EXPERTS

    186  

CHANGE OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

    186  

WHERE YOU CAN FIND MORE INFORMATION

    187  

INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

    F-1  



        We have not authorized anyone to provide any information or to make any representations other than those contained in this prospectus or in any free writing prospectuses we have prepared. We take no responsibility for, and can provide no assurance as to the reliability of, any information that others may give you. This prospectus is an offer to sell only the shares offered hereby, but only under circumstances and in jurisdictions where it is lawful to do so. The information contained in this prospectus is current only as of its date.

        The service marks for our company name, "FIRST WIND", and our trademark "CLEAN ENERGY. MADE HERE." are the property of First Wind Holdings, LLC. All other trademarks and service marks appearing in this prospectus are the property of their respective holders. All rights reserved.

        In this prospectus, unless the context otherwise requires, we refer to (i) First Wind Holdings Inc. and its subsidiaries, including First Wind Holdings, LLC, after giving effect to the reorganization described herein, as "First Wind," "we," "us," "our" or the "company"; (ii) entities in the D. E. Shaw group as "the D. E. Shaw group;" (iii) Madison Dearborn Capital Partners IV, L.P., as "Madison Dearborn;" and (iv) the D. E. Shaw group and Madison Dearborn collectively as "our Sponsors." We use the following electrical power abbreviations throughout this prospectus: "kW" means kilowatt, or 1,000 watts of electrical power; "MW" means megawatt, or 1,000 kW of electrical power; "GW" means gigawatt, or 1,000 MW of electrical power; and "kWh," "MWh" and "GWh" mean an hour during which 1 kW, MW or GW, as applicable, of electrical power has been continuously produced. Capacity refers to rated capacity. References in this prospectus to "NCF" mean net capacity factor, or the measure of a turbine's production compared with the amount of power the turbine could have produced running at full capacity for a particular period of time, and references to "RECs" mean renewable energy certificates or other renewable energy attributes, as the context requires. Unless otherwise indicated, the financial information in this prospectus represents the historical financial information of First Wind Holdings, LLC.

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PROSPECTUS SUMMARY

        This summary highlights selected information from this prospectus but does not contain all information that you should consider before investing in our Class A common stock. You should read this entire prospectus carefully, including the information under "Risk Factors" beginning on page 15, and the consolidated financial statements included elsewhere in this prospectus.


First Wind Holdings Inc.

        We are an independent wind energy company focused solely on the development, financing, construction, ownership and operation of utility-scale wind energy projects in the United States. Our projects are located in the Northeastern and Western regions of the continental United States and in Hawaii. We have focused on these markets because we believe they provide the potential for future growth and investment returns at the higher end of the range available for wind projects. These markets are characterized by relatively high electricity prices, a shortage of renewable energy and sites with good wind resources that can be built in a cost effective manner. Moreover, we have focused our efforts on projects and regions with significant expansion opportunities, often enabled by transmission solutions that we have developed and built.

        As of March 31, 2010, we operated seven projects with combined rated capacity of 504 MW, and we owned two lines that connect projects to the electricity grid (generator leads) with transmission capacity of approximately 1,200 MW. In 2009, we doubled the number of projects in our operating fleet, adding three new projects with an aggregate capacity of 386 MW. Two of these projects, Milford I, which sells power from Utah into Southern California, and Stetson I, which sells power in New England, include wholly-owned generator leads we had built in anticipation of expanding these projects. In March 2010, we commenced commercial operations of a seventh project, Stetson II, an expansion project in Maine with 26 MW of capacity.

        We manage our business with a team of professionals with experience in all aspects of wind energy development, financing, construction and operations. We have a track record of selecting projects from our development pipeline and converting them into operating projects that we believe will meet our financial return requirements. By the end of 2010, our goal is to have six additional projects with 268 MW of capacity operating or under construction.

        We target having approximately 1,000 MW of projects operating or under construction by the end of 2011. Thereafter, we target adding approximately 300 to 400 MW of operating/under-construction capacity each year to achieve our goal of having an operating/under-construction fleet in excess of 2,000 MW by the end of 2014. Expansions of current operating and under-construction projects make up approximately 51% (measured by capacity) of our targeted 2010-2011 projects. See "Business—Our Development Process" and "Business—Our Portfolio of Wind Energy Projects."

        We believe our development pipeline of over 4,000 MW should enable us to meet our 2014 goal of having an operating/under-construction fleet of 2,000 MW. We have land rights for 85% of our development pipeline and meteorological data for nearly 90% of our development pipeline, in the majority of cases covering at least three years. We have also conducted preliminary environmental screening for all of our projects. We are unlikely to complete all of the projects in our current development pipeline, while some of the projects we are likely to develop in the future are not in our current pipeline. From time to time we have abandoned projects on which we had started development work, or re-categorized projects to a less advanced stage than we had previously assigned them. Our ability to complete our projects and achieve anticipated generation capacities is subject to numerous risks and uncertainties as described under "Risk Factors."

        Wind energy project returns depend mainly on the following factors: energy prices, transmission costs, wind resources, turbine costs, construction costs, financing cost and availability and government

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incentives. In applying our strategy, we take into account the combination of all of these factors and focus on margins, return on invested capital and value creation as opposed solely to project size. Some of our projects, while having high construction costs, still offer attractive returns because of favorable wind resources or energy prices. Additionally, in many cases, smaller, more profitable projects can create as much absolute value as do larger, lower-returning projects. We assess the profitability of each project by evaluating its net present value. We also evaluate a project on the basis of its Project EBITDA, as described under "Management's Discussion and Analysis of Financial Condition and Results of Operations—How We Measure Our Performance," including the ratio of Project EBITDA to project development and construction costs.

        We closely manage our commodity price risk and generally construct wind energy projects only if we have put in place some form of a long-term power purchase agreement (PPA) and/or financial hedge. We have PPAs or hedges on all seven of our operating projects and we expect to have PPAs or hedges on all of our 2010 projects. Approximately 85% of the estimated revenues through 2011 from our current operating projects are hedged. We plan to hedge approximately 90% of the estimated revenues for 2011 for the six projects we plan to have under construction in 2010. See "Business—Revenues; Hedging Activities."

        The United States is one of the largest and fastest growing wind energy markets. In 2008, the United States surpassed Germany as the world's largest market for wind energy, as cumulative installed capacity increased approximately 51% and accounted for 42% of all new energy supply in the United States, according to the American Wind Energy Association (AWEA). Moreover, our markets are among the highest growth U.S. markets due to demand driven by state-mandated renewable portfolio standards (RPS), premium electricity pricing, a shortage of renewable energy and strong wind resources. States in our markets in the Northeast, West and Hawaii have RPS legislation that calls for approximately 70 GW of installed renewable energy capacity to be built by 2020.

Achievements

        We have achieved a number of milestones, including:

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Revenues, Financing and Government Programs

        We generate revenues from the sale of electricity and the sale of RECs from our operating projects:

        We have generated substantial net losses and negative operating cash flows since our inception. See "Risk Factors—Risks Related to Our Business and the Wind Industry—We have generated substantial net losses and negative operating cash flows since our inception and expect to continue to do so as we develop and construct new wind energy projects." In addition, the amount of revenue we generate is subject to fluctuation due to a variety of factors and risks. For example, approximately 15% of our estimated revenue through 2011 from our operating projects is unhedged and therefore subject to market-price fluctuations. In addition, a significant, long-term decline in market prices for electricity in our markets would adversely affect our un-hedged revenues and make it more difficult for us to develop our projects. Furthermore, the production of wind energy depends heavily on suitable wind conditions and if wind conditions are unfavorable, our electricity production and revenue may be substantially below our expectations. See "Risk Factors—Risks Related to Our Business and the Wind Energy Industry."

        We finance our projects with various sources of funds, depending on a project's stage of development and other factors. We use equity, turbine supply loans, construction loans, non-recourse project financings, tax equity financings, term loans and, recently, grants from the U.S. Treasury under the ARRA. We are in a capital intensive business and rely heavily on the debt and equity markets to finance the development and construction costs of our projects, and we may not be able to finance the growth of our business. See "Risk Factors—Risks Related to Our Financial Activities."

        We benefit from U.S. government programs established to stimulate the economy and increase domestic investment in the wind energy industry. In February 2009, the ARRA went into effect and

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extended the federal production tax credit (PTC) for renewable energy generators until the end of 2012. In the past, we have monetized PTCs through tax equity financings as part of our project financing strategy. In these transactions, we receive up-front payments, and our tax equity investors receive most of the operating cash flow and substantially all of the production tax credits and taxable income or loss generated by the project until they achieve their targeted investment returns and return of capital, which we typically expect to occur in ten years. As a result, a tax equity financing substantially reduces the cash distributions from the applicable project available to us for other uses. Also, the period during which the tax equity investors receive most of the cash distributions from electricity sales and related hedging activities may last longer than expected if our wind energy projects perform below our expectations.

        The ARRA also made an investment tax credit (ITC) available to wind energy projects in lieu of PTCs. Project owners can for the first time receive the cash equivalent of the ITC in the form of a grant paid by the U.S. Treasury representing 30% of ITC-eligible costs of building a wind energy project, namely, the costs of constructing energy-producing assets. In September 2009, our Cohocton and Stetson I projects were among the first recipients of such cash grants, receiving approximately $115 million and in March 2010 we received a cash grant of approximately $120 million for our Milford I project. We applied for a cash grant for our Stetson II project and plan to apply for the other projects we begin to construct in 2010. We have also applied for other federal government incentives, including loan guarantees from the Department of Energy. In March 2010, we received a conditional commitment from the Department of Energy for a $117 million loan guarantee to help finance construction of our Kahuku project. See "Industry—Drivers of U.S. Wind Energy Growth—State and Federal Government Incentives—American Recovery and Reinvestment Act of 2009 (ARRA)."

        We depend heavily on these programs to finance the projects in our development pipeline. If any of these incentives are adversely amended, reduced or eliminated, or if federal departments fail to administer these programs in a timely and efficient manner, it would have a material adverse effect on our ability to obtain financing. Similarly, if governmental authorities stop supporting, or reduce their support for, the development of wind energy projects, our revenues may be adversely affected, our economic return on certain projects may be reduced, our financing costs may increase and it may become more difficult to obtain financing.

Strategy

        Our business strategy is to build a diverse portfolio of operating projects and development opportunities. We seek opportunities where, if we are able to execute successfully, we will be able to generate attractive returns for our stockholders.

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Competitive Strengths

        We intend to use the following strengths to capitalize on what we believe to be significant opportunities for growth in the U.S. wind energy industry in general and in our markets in particular:

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        Our ability to capitalize upon these strengths may be affected by a variety of factors, including competition for: suitable operating sites for projects; access to transmission and distribution networks; turbines and related components at affordable prices; employees with relevant experience; and the limited funds available for tax equity financing.

Market Opportunity

        According to AWEA, wind energy capacity in the United States grew at a CAGR of 34% from 2000 through 2009. Wind energy nonetheless accounted for only 1.8% of total U.S. electricity production in 2009 according to the EIA. EER forecasts that installed wind energy capacity in the United States will grow at a CAGR of 20% from 2009 through 2013. In certain U.S. markets, state-mandated RPS and similar voluntary programs, among other factors, have strengthened the demand for renewable energy.

        We believe wind energy growth in the United States is being driven primarily by:

Risk Factors

        Our business is subject to numerous risks and uncertainties, including:

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        You should carefully consider all of the information in this prospectus and, in particular, the information under "Risk Factors," prior to making an investment in our Class A common stock.

Class A Common Stock and Class B Common Stock

        After completion of this offering, our outstanding capital stock will consist of Class A common stock and Class B common stock. Investors in this offering will hold shares of Class A common stock. See "Description of Capital Stock."

The Reorganization and Our Holding Company Structure

        First Wind Holdings Inc. was formed for purposes of this offering and has only engaged in activities in contemplation of this offering. Upon completion of the offering, all of our business will continue to be conducted through First Wind Holdings, LLC, which is the holding company that has conducted all of our business to date. First Wind Holdings Inc. will be a holding company, whose principal asset will be its interest in First Wind Holdings, LLC. That interest will represent approximately      % of the economic interests in our business, assuming the underwriters do not exercise their over-allotment option. First Wind Holdings Inc. will be the sole managing member of First Wind Holdings, LLC and will therefore control First Wind Holdings, LLC. Entities in the D. E. Shaw group and Madison Dearborn Capital Partners IV, L.P., will collectively own substantially all of the balance of the economic interests in our business. As a holding company, our only source of cash flow from operations will be distributions from First Wind Holdings, LLC. See "The Reorganization and Our Holding Company Structure."

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        The diagram below shows our organizational structure immediately after consummation of this offering and related transactions, assuming no exercise of the underwriters' over-allotment option.

GRAPHIC


(1)
The members of First Wind Holdings, LLC, other than us, will consist of our Sponsors and certain of our employees and current investors in First Wind Holdings, LLC.

(2)
The Class A common stockholders will have the right to receive all distributions made on account of our capital stock, except that the Class B common stockholders will have the right to receive $0.001 per share par value pari passu upon liquidation, dissolution or winding up. Each share of Class A common stock and Class B common stock is entitled to one vote per share. Certain entities in the D. E. Shaw group will receive Class A common stock rather than Series B Membership Interests (and the corresponding shares of Class B common stock). As a result, the D. E. Shaw group will hold Series B Membership Interests, Class A common stock and Class B common stock.

(3)
Series A Membership Interests and Series B Membership Interests will have the same economic rights in First Wind Holdings, LLC.

Corporate Information

        We began developing wind energy projects in North America in 2002. First Wind Holdings Inc. was incorporated in Delaware in May 2008. Our principal executive offices are located at 179 Lincoln Street, Suite 500, Boston, Massachusetts 02111, and our telephone number is (617) 960-2888. Our website is www.firstwind.com. The information contained on or accessible through our website, or any other website referenced in this prospectus, is not part of this prospectus and you should not consider it in making an investment decision.

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The Offering

Class A common stock offered by us

              shares.

Class A common stock to be outstanding after this offering

 

            shares (assuming no exercise of the underwriters' over-allotment option).

Class B common stock to be outstanding after this offering

 

            shares. Shares of our Class B common stock will be issued in connection with, and in equal proportion to, issuances of Series B Membership Interests of First Wind Holdings, LLC. When a Series B Membership Interest is exchanged for a share of our Class A common stock, the corresponding share of our Class B common stock will automatically be redeemed by us. See "The Reorganization and Our Holding Company Structure."

Underwriters' over-allotment option

 

            shares.

Use of proceeds

 

We expect to receive net proceeds from the sale of Class A common stock offered hereby, after deducting estimated underwriting discounts and commissions and estimated offering expenses, of approximately $      million, based on an assumed offering price of $      per share (the midpoint of the range set forth on the cover of this prospectus). We intend to use approximately $        million of such net proceeds to fund a portion of our capital expenditures for 2010–2013 and the remainder for general corporate purposes.

Voting rights

 

Each share of our Class A common stock and Class B common stock will entitle its holder to one vote on all matters to be voted on by stockholders. Holders of Class A common stock and Class B common stock will vote together as a single class on all matters presented to stockholders for their vote or approval, except as otherwise required by law. After completion of this offering, the D. E. Shaw group and Madison Dearborn will own    % and    %, respectively, of the total number of shares of our outstanding Class A common stock and Class B common stock (    % and    %, respectively, if the underwriters exercise their over-allotment option in full) and will have effective control over the outcome of votes on all matters requiring approval by our stockholders.

Exchange of Series B Membership Interests

 

Each Series B Membership Interest of First Wind Holdings, LLC, together with a corresponding share of our Class B common stock, will be exchangeable for one share of Class A common stock as described under "The Reorganization and Our Holding Company Structure—Limited Liability Company Agreement of First Wind Holdings,  LLC."

Dividend policy

 

We do not anticipate paying dividends. See "Dividend Policy."

Risk factors

 

For a discussion of certain factors you should consider before making an investment, see "Risk Factors."

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Proposed Nasdaq Global Market symbol

 

"WIND"

        The number of shares to be outstanding after completion of this offering is based on        shares of Class A common stock and                shares of Class B common stock outstanding as of                        after giving effect to the reorganization described under "The Reorganization and Our Holding Company Structure." The number of shares to be outstanding after this offering excludes        additional shares of Class A common stock reserved for issuance under our long-term incentive plan.

        Unless we specifically state otherwise, the information in this prospectus assumes:

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Summary Financial and Operating Data

        The following tables present summary consolidated financial data as of and for the dates and periods indicated below. The summary consolidated statement of operations data for the years ended December 31, 2007, 2008 and 2009 and the summary consolidated balance sheet data as of December 31, 2008 and 2009 are derived from our audited consolidated financial statements included elsewhere in this prospectus. The summary consolidated statement of operations data for the three months ended March 31, 2009 and 2010 and the summary consolidated balance sheet data as of March 31, 2010 are derived from our unaudited interim consolidated financial statements included elsewhere in this prospectus. The unaudited interim period financial information, in the opinion of management, includes all adjustments, which are normal and recurring in nature, necessary for the fair presentation of the periods shown.

        The summary unaudited pro forma consolidated financial data for the year ended December 31, 2009 and for the three months ended March 31, 2010 have been prepared to give pro forma effect to all of the reorganization transactions described in "The Reorganization and Our Holding Company Structure" and this offering as if they had been completed as of January 1, 2009 with respect to the unaudited consolidated pro forma statement of operations and as of March 31, 2010 with respect to the unaudited pro forma consolidated balance sheet data. These data are subject and give effect to the assumptions and adjustments described in the notes accompanying the unaudited pro forma financial statements included elsewhere in this prospectus. The summary unaudited pro forma financial data are presented for informational purposes only and should not be considered indicative of actual results of operations that would have been achieved had the reorganization transactions and this offering been consummated on the dates indicated, and do not purport to be indicative of statements of financial condition data or results of operations as of any future date or for any future period. Pro forma net loss per share is based on the weighted average common shares outstanding.

        The summary consolidated financial data set forth below should be read in conjunction with the "Unaudited Pro Forma Financial Information," "Selected Historical Financial and Operating Data," "Management's Discussion and Analysis of Financial Condition and Results of Operations" and the

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consolidated financial statements and related notes included elsewhere in this prospectus. Our historical results may not be indicative of the operating results to be expected in any future period.

 
  First Wind
Holdings, LLC
  First Wind
Holdings Inc.
  First Wind
Holdings LLC
  First Wind
Holdings Inc.
 
 
  Year Ended December 31,   Three Months Ended March 31,  
 
  2007   2008   2009   2009
Pro Forma
  2009   2010   2010
Pro Forma
 
 
  (in thousands, except unit/share data and other operating data)
 

Statement of Operations Data:

                                           

Revenues:

                                           

Revenues

  $ 23,817   $ 28,790   $ 47,136   $                $ 11,381   $ 18,725   $               

Cash settlements of derivatives

    (1,670 )   (4,072 )   10,966           6,140     3,660        

Fair value changes in derivatives

    (9,801 )   14,760     17,175           20,293     14,432        
                               

Total revenues

    12,346     39,478     75,277           37,814     36,817        

Cost of revenues:

                                           

Project operating expenses

    9,175     10,613     19,709           3,571     11,959        

Depreciation and amortization of operating assets

    8,800     10,611     34,185           7,823     12,270        
                               

Total cost of revenues

    17,975     21,224     53,894           11,394     24,229        
                               

Gross income (loss)

    (5,629 )   18,254     21,383           26,420     12,588        

Other operating expenses:

                                           

Project development

    25,861     35,855     35,895           13,314     8,960        

General and administrative

    13,308     44,358     39,192           11,047     7,948        

Depreciation and amortization

    1,215     2,325     3,381           672     1,140        
                               

Total other operating expenses

    40,384     82,538     78,468           25,033     18,048        
                               

Income (loss) from operations

  $ (46,013 ) $ (64,284 ) $ (57,085 ) $     $ 1,387   $ (5,460 ) $    
                               

Risk management activities related to non-operating projects

  $ (21,141 ) $ 42,138   $   $     $   $   $    
                               
 

Net loss attributable per common unit (basic and diluted)

  $ (0.36 ) $ (0.05 ) $ (0.09 ) $     $   $   $    
                               
 

Weighted average number of common units (basic and diluted)

    189,161,855     278,288,518     649,681,382           649,681,382     649,681,382        
                               
 

Pro forma net loss per share—basic and diluted(1)

                                           
 

Shares used in computing pro forma net loss per share—basic and diluted(1)

                                           

Other Financial Data:

                                           
 

Net cash provided by (used in):

                                           
 

Operating activities(2)

  $ (26,370 ) $ (41,589 ) $ (54,478 ) $     $ (17,653 ) $ 227,756   $    
 

Investing activities

    (334,007 )   (477,268 )   (253,533 )         (65,819 )   (33,957 )      
 

Financing activities

    358,107     556,059     298,749           103,482     (172,194 )      

Selected Operating Data

                                           
 

Rated capacity (end of period)

    92 MW     92 MW     478 MW           274 MW     504 MW        
 

Megawatt hours generated

    239,940 MW     275,024 MW     656,365 MW           165,929 MW     280,926 MW        
 

Average realized energy price ($/MWh)(3)

  $ 93   $ 85   $ 79   $     $ 80   $ 78   $    
 

Project EBITDA(4)

  $ 15,433   $ 16,052   $ 36,306   $     $ 10,488   $ 12,361   $    

(1)
The basic net loss attributable per common unit for each of the annual periods ended December 31, 2007, 2008 and 2009 and the three month periods ended March 31, 2009 and 2010 has been presented for informational and historical purposes only. After completion of this offering, as a result of the reorganization events that have taken place or that will take place immediately prior to completion of the offering as described in "The Reorganization and Our Holding Company Structure," the shares used in computing net earnings or loss per share will bear no relationship to these historical common units.
(2)
Operating cash flows for the three months ended March 31, 2010 include a prepayment for energy for our Milford I project of approximately $232 million.

(3)
Average realized energy price per MWh of energy generated is a metric that allows us to compare revenues from period to period, or on a project by project basis, regardless of whether the revenues are generated under a PPA, from sales at market prices with a financial swap, from sales at market prices or a combination of the three. Although average realized energy price is based, in part, on revenues recognized

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  Year Ended December 31,   Three Months
Ended
March 31,
 
 
  2007   2008   2009   2009   2010  

Numerator (in thousands)

                               
 

Total revenue

  $ 12,346   $ 39,478   $ 75,277   $ 37,814   $ 36,817  
 

Add (subtract):

                               
   

New England REC timing(a)

    2,461     1,947     2,060     685     1,935  
   

Transmission costs

    (2,268 )   (3,316 )   (4,413 )   (867 )   (2,442 )
   

Mark-to-market adjustments(b)

    9,801     (14,760 )   (21,322)     (24,440 )   (14,432 )
                       

  $ 22,340   $ 23,349   $ 51,602   $ 13,192   $ 21,878  

Denominator (MWh)

                               
   

Total energy production

    239,940     275,024     656,365     165,929     280,926  

Average realized energy price ($/MWh)

                               
   

(numerator/denominator)

  $ 93   $ 85   $ 79   $ 80   $ 78  

   
  Year Ended December 31,   Three Months Ended
March 31,
 
   
  2007   2008   2009   2009   2010  
   
  (in thousands)
   
   
 
 

New England RECs

                               
   

Included in revenues

 
$

(2,364

)

$

(5,274

)

$

(9,403

)

$

(2,391

)

$

(3,993

)
   

Generated during the period

    4,825     7,221     11,463     3,076     5,928  
                         
 

  $ 2,461   $ 1,947   $ 2,060   $ 685   $ 1,935  
                         
(4)
We evaluate the performance of our operating projects on the basis of their Project EBITDA, which is a non-GAAP financial measure. We use Project EBITDA to assess the performance of our operating projects because we believe it is a measure that allows us to: (i) more accurately evaluate the operating performance of our projects based on the energy generated during each period (through the exclusion of mark-to-market adjustments and the effects of New England REC timing, for which the GAAP accounting treatment does not correspond to the energy generated during the period) and (ii) assess the ability of our projects to support debt and/or tax equity financing (through the exclusion of depreciation and amortization that is not indicative of capital costs that would be expected over the term of the financing and general and administrative expenses that are not incurred at the project level). Our ability to raise debt and/or tax equity financing for our projects is a key requirement of our development plan as described in "—Factors Affecting Our Results of Operations, Financial Condition and Cash Flows—Financing Requirements." We believe it is important for investors to understand the factors that we focus on in managing the business, and therefore we believe Project EBITDA is useful for investors to understand. In addition, as long as investors consider Project EBITDA in combination with the most directly comparable GAAP measure, gross income (loss), we believe it is useful for investors to have information about our operating

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  Year Ended December 31,   Three Months
Ended
March 31,
 
 
  2007   2008   2009   2009   2010  

Gross income (loss)

  $ (5,629 ) $ 18,254   $ 21,383   $ 26,420   $ 12,588  
 

Add (subtract):

                               
     

Depreciation and amortization of operating assets

    8,800     10,611     34,185     7,823     12,270  
     

New England REC timing

    2,461     1,947     2,060     685     1,935  
     

Mark-to-market adjustments(a)

    9,801     (14,760 )   (21,322 )   (24,440 )   (14,432 )
                       
   

Project EBITDA

  $ 15,433   $ 16,052   $ 36,306   $ 10,488   $ 12,361  
                       

        The following table presents summary consolidated balance sheet data as of the dates indicated:

 
  First Wind Holdings, LLC   First Wind Holdings Inc.  
 
  As of December 31,    
  Pro Forma
As of
March 31,
2010
  Pro Forma
As Adjusted
March 31,
2010
 
 
  As of
March 31,
2010
 
 
  2007   2008   2009  
 
  (in thousands)
 

Balance Sheet Data:

                                     
 

Property, plant and equipment, net

  $ 192,076   $ 187,316   $ 950,610   $ 879,426   $                $               
 

Construction in progress

    346,320     571,586     472,526     436,491              
 

Total assets

    770,666     1,311,591     1,698,154     1,653,939              
 

Long-term debt, including debt with maturities less than one year

    465,449     532,441     632,046     494,168              
 

Members' capital/ stockholders' equity

    147,876     653,092     849,373     831,028              

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RISK FACTORS

        You should consider carefully each of the risks described below, together with all of the other information contained in this prospectus, before deciding to invest in our Class A common stock. If any of the following risks materializes, our business, financial condition and results of operations may be materially adversely affected. In that event, the trading price of our Class A common stock could decline, and you could lose some or all of your investment.

        This prospectus also contains forward-looking statements that involve risks and uncertainties. Actual results could differ materially from those anticipated in these forward-looking statements as a result of various factors, including the risks described below and elsewhere in this prospectus. See "Cautionary Statement Regarding Forward-Looking Statements."

Risks Related to Our Business and the Wind Energy Industry

If we cannot continue to build our pipeline of projects under development and turn them into operating projects, our business will not grow and we may have significant write-offs.

        We may be unable to meet our target of having in excess of 2,000 MW of operating/under-construction capacity by 2014, because we will need to add new projects to our pipeline on an ongoing basis. In addition, we may have difficulty in converting our development pipeline into operating projects or may be unable to find suitable projects to add to our pipeline. These circumstances could prevent those projects from commencing operations or from meeting our original expectations about how much energy they will generate or the returns they will achieve. Since completing the projects in our development pipeline as anticipated or at all involves numerous risks and uncertainties, some projects in our portfolio will not progress to construction or may be substantially delayed. From time to time we have abandoned projects on which we had started development work, or re-categorized projects to a less advanced stage than we had previously assigned them, representing in the aggregate approximately 105 MW of potential capacity. This resulted in $3.5 million and $3.1 million of write-offs in 2008 and 2009, respectively. Abandonment or re-categorization of our projects may make it difficult for us to achieve our operating capacity goals by our target dates. As we increase our development activities and the number of projects in our pipeline, such discontinuations and re-categorizations and the corresponding write-offs may increase. In addition, those projects that are constructed and begin operations may not meet our return expectations due to schedule delays, cost overruns or revenue shortfalls or they may not generate the capacity that we anticipate or result in receipt of revenue in the originally anticipated time period or at all. An inability to maintain our development pipeline or to convert those projects into financially successful operating projects would have a material adverse effect on our business, financial condition and results of operations.

We have generated substantial net losses and negative operating cash flows since our inception and expect to continue to do so as we develop and construct new wind energy projects.

        We have generated substantial net losses and negative operating cash flows from operating activities since our operations commenced. We had accumulated losses of approximately $191.7 million from our inception through March 31, 2010. For the year ended December 31, 2009 and the three months ended March 31, 2010, we generated net losses of $61.0 million and $10.7 million, respectively. In addition, our operating activities used cash of $54.5 million for the year ended December 31, 2009 and $5.0 million (excluding the $232.0 million prepayment for energy for our Milford I project) for the three months ended March 31, 2010.

        We expect that our net losses will continue and our cash used in operating activities will grow during the next several years, as compared with prior periods, as we increase our development activities and construct additional wind energy projects. Wind energy projects in development typically incur operating losses prior to commercial operation at which point the projects begin to generate positive operating cash flow. We also expect to incur additional costs, contributing to our losses and operating uses of cash, as we incur the incremental costs of operating as a public company. Our costs may also

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increase due to such factors as higher than anticipated financing and other costs; non-performance by third-party suppliers or subcontractors; increases in the costs of labor or materials; and major incidents or catastrophic events. If any of those factors occurs, our losses could increase significantly and the value of our common stock could decline. As a result, our net losses and accumulated deficit could increase significantly.

We depend heavily on federal, state and local government support for renewable energy, especially wind projects.

        We depend heavily on government policies that support renewable energy and enhance the economic feasibility of developing wind energy projects. The federal government and several of the states in which we operate or into which we sell power provide incentives that support the sale of energy from renewable sources, such as wind.

        The Internal Revenue Code provides a production tax credit (PTC) for each kWh of energy generated by an eligible resource. Under current law, an eligible wind facility placed in service prior to the end of 2012 may claim the PTC. The PTC is a credit claimed against the income of the owner of the eligible project.

        PTC eligible projects are also eligible for an investment tax credit (ITC) of 30% of the eligible cost-basis, which is in lieu of the PTC. The same placed-in-service deadline of December 31, 2012 applies for purposes of the ITC. The ITC is a credit claimed against the income of the owner of the eligible project.

        The American Recovery and Reinvestment Act of 2009 (ARRA) created a grant administered by the U.S. Treasury that provides for a cash payment of the amount an eligible project whose construction began in 2010 would otherwise be able to claim under the ITC. In addition, there are various programs for loan guarantees. See "Industry—Drivers of U.S. Wind Energy Growth—State and Federal Government Incentives."

        In addition to federal incentives, we rely on state incentives that support the sale of energy generated from renewable sources, including state adopted renewable portfolio standards (RPS) programs. Such programs generally require that electricity supply companies include a specified percentage of renewable energy in the electricity resources serving a state or purchase credits demonstrating the generation of such electricity by another source. However, the legislation creating such RPS requirements usually grants the relevant state public utility commission the ability to reduce electric supply companies' obligations to meet the RPS requirements in certain circumstances. If the RPS requirements are reduced or eliminated, this could result in our receiving lower prices for our power and in a reduction in the value of our RECs, which could have a material adverse effect on us. See "Industry—Drivers of U.S. Wind Energy Growth—State and Federal Government Incentives."

        We depend heavily on these programs to finance the projects in our development pipeline. If any of these incentives are adversely amended, eliminated, subjected to new restrictions, not extended beyond their current expiration dates, or if funding for these incentives is reduced, it would have a material adverse effect on our ability to obtain financing. A delay or failure by federal departments to administer these programs in a timely and efficient manner could have a material adverse effect on our financing.

        While certain federal, state and local programs and policies promote renewable energy and additional legislation is regularly being considered that would enhance the demand for renewable energy, policies may be adversely modified, legislation may not pass or may be amended and governmental support of renewable energy development, particularly wind energy, may not continue or may be reduced. If governmental authorities do not continue supporting, or reduce their support for, the development of wind energy projects, our revenues may be adversely affected, our economic return

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on certain projects may be reduced, our financing costs may increase, it may become more difficult to obtain financing, and our business and prospects may otherwise be adversely affected.

Most of our revenue comes from sales of electricity and RECs, which are subject to market price fluctuations, and there is a risk of a significant, sustained decline in their market prices. Such a decline may make it more difficult to develop our projects.

        We may not be able to develop our projects economically if there is a significant, sustained decline in market prices for electricity or RECs without a commensurate decline in the cost of turbines and the other capital costs of constructing wind energy projects. Electricity prices are affected by various factors and may decline for many reasons that are not within our control. Those factors include changes in the cost or availability of fuel, regulatory and governmental actions, changes in the amount of available generating capacity from both traditional and renewable sources, changes in power transmission or fuel transportation capacity, seasonality, weather conditions and changes in demand for electricity. In addition, other power generators may develop new technologies or improvements to traditional technologies to produce power that could increase the supply of electricity and cause a sustained reduction in market prices for electricity and RECs. If governmental action or conditions in the markets for electricity or RECs cause a significant, sustained decline in the market prices of electricity or those attributes, without an offsetting decline in the cost of turbines or other capital costs of wind energy projects, we may not be able to develop and construct our pipeline of development projects or achieve expected revenues, which could have a material adverse effect on our business, financial condition and results of operations.

The production of wind energy depends heavily on suitable wind conditions. If wind conditions are unfavorable or below our estimates, our electricity production, and therefore our revenue, may be substantially below our expectations.

        The electricity produced and revenues generated by a wind energy project depends heavily on wind conditions, which are variable and difficult to predict. Operating results for projects vary significantly from period to period depending on the windiness during the periods in question. We base our decisions about which sites to develop in part on the findings of long-term wind and other meteorological studies conducted in the proposed area, which measure the wind's speed, prevailing direction and seasonal variations. Actual wind conditions, however, may not conform to the measured data in these studies and may be affected by variations in weather patterns, including any potential impact of climate change. Therefore, the electricity generated by our projects may not meet our anticipated production levels or the rated capacity of the turbines located there, which could adversely affect our business, financial condition and results of operations. In recent years, the wind resources at our operating projects, while within the range of our long-term estimates, varied from the averages we expected. If the wind resources at a project are below the average level we expect, our rate of return for the project would be below our expectations and we would be adversely affected. Projections of wind resources also rely upon assumptions about turbine placement, interference between turbines and the effects of vegetation, land use and terrain, which involve uncertainty and require us to exercise considerable judgment. We or our consultants may make mistakes in conducting these wind and other meteorological studies. Any of these factors could cause us to develop sites that have less wind potential than we expected, or to develop sites in ways that do not optimize their potential, which could cause the return on our investment in these projects to be lower than expected.

        If our wind energy assessments turn out to be wrong, our business could suffer a number of material adverse consequences, including:

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Natural events may reduce energy production below our expectations.

        A natural disaster, severe weather or an accident that damages or otherwise adversely affects any of our operations could have a material adverse effect on our business, financial condition and results of operations. Lightning strikes, blade icing, earthquakes, tornados, extreme wind, severe storms, wildfires and other unfavorable weather conditions or natural disasters could damage or require us to shut down our turbines or related equipment and facilities, impeding our ability to maintain and operate our facilities and decreasing electricity production levels and our revenues. Operational problems, such as degradation of turbine components due to wear or weather or capacity limitations on the electrical transmission network, can also affect the amount of energy we are able to deliver. Any of these events, to the extent not fully covered by insurance, could have a material adverse effect on our business, financial condition and results of operations.

Operational problems may reduce energy production below our expectations.

        Spare parts for wind turbines and key pieces of electrical equipment may be hard to acquire or unavailable to us. Sources for some significant spare parts and other equipment are located outside of North America. If we were to experience a shortage of or inability to acquire critical spare parts, we could incur significant delays in returning facilities to full operation. In addition, we generally do not hold spare substation main transformers. These transformers are designed specifically for each wind energy project, and the current lead time to receive an order for this type of equipment is over eight months. For example, operations at our Stetson I project were temporarily interrupted in February 2010, due to a transformer malfunction. If we had to replace any of our substation main transformers, we could be unable to sell electricity from the affected wind energy project until a replacement is installed. That interruption to our business might not be fully covered by insurance.

One of our key turbine suppliers, Clipper Windpower Plc, has experienced certain technical issues with its wind turbine technology and may continue to experience similar issues.

        Clipper, one of our two turbine suppliers in our existing operating fleet, is a new entrant into the wind turbine market. Clipper's first prototype wind turbine, the 2.5 MW Liberty, was placed in service in April 2005. We now operate 116 Liberty turbines (290 MW) and plan to install 34 Liberty turbines in 2010 (85 MW). We have entered into agreements which provide us the right but not the obligation to acquire up to 253 Liberty turbines (633 MW) for installation during 2011-2015. We deployed the first eight commercially produced Liberty turbines at our Steel Winds I project, which commenced commercial operations on June 1, 2007. Since our initial deployment, Clipper has announced and remediated three defects affecting the Liberty turbines deployed by us and other customers that resulted in prolonged downtime for turbines at various projects, including our Steel Winds I and Cohocton projects. Among issues adversely affecting Liberty turbine performance were drive trains that incorporated a supplier-related deficiency, a design deficiency resulting in separation of bonding materials in the blades of several turbines and minor defects in the blade skin resulting from a defective manufacturing process. At present, all such items affecting our installed Clipper fleet have been remediated and availability of the Liberty turbines in our fleet is within warranted levels.

        The Liberty turbines, however, may not perform in accordance with Clipper's specifications for their anticipated useful life or may require additional warranty or non-warranty repairs. In addition, the

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initial failure of performance has adversely affected our ability to arrange and close turbine supply loans, tax equity financing transactions and construction loans involving Liberty turbines. Moreover, Clipper may not be able to fund its obligations to us and its other customers under its outstanding warranty agreements.

        A failure of Clipper to produce Liberty turbines that perform within design specifications would preclude us from completing projects that could otherwise incorporate Clipper technology and likely result in our determination to elect not to purchase any or all Liberty turbines that we have the right but not the obligation to acquire from 2011 through 2015.

        We have paid Clipper approximately $70 million in deposits and progress payments towards turbine purchases from 2011–2015 and intend to pay approximately $30 million more in deposits and progress payments through January 15, 2011. If we elect for any reason not to acquire any additional turbines from Clipper, we will forfeit the pro rata portion of these deposits and progress payments corresponding to the schedule of future turbine purchases: $38.6 million for turbines scheduled to be purchased in 2011, $17.9 million for 2012, $10.7 million for 2013, $13.4 million for 2014 and $8.9 million for 2015.

        We have no commitments from turbine manufacturers other than Clipper for projects we plan to have in construction after 2010.

A portion of our revenues from the sale of RECs are not hedged, and we are exposed to volatility of commodity prices with respect to those sales.

        REC prices are driven by various market forces, including electricity prices and the availability of electricity from other renewable energy sources and conventional energy sources. We are unable to hedge a portion of our revenues from RECs in certain markets where conditions limit our ability to sell forward all of our RECs. Our ability to hedge RECs generated by our Northeast projects is limited by the unbundled nature of the RECs and the relative illiquidity of this market, and revenues associated with these RECs account for a majority of the unhedged revenue stream from our existing operating fleet. We are exposed to volatility of commodity prices with respect to the portion of RECs that are unhedged, including risks resulting from volatility in commodities, changes in regulations, including state RPS targets, general economic conditions and changes in the level of renewable energy generation. We will have quarterly variations in our revenues from the sale of unhedged RECs.

We have a limited operating history and our rapid growth may make it difficult for us to manage our business efficiently.

        Since we began our business in 2002 and began commercial operation of our first wind energy project in 2006, there is limited history to use to evaluate our business. You should consider our prospects in light of the risks and uncertainties growing companies encounter in rapidly evolving industries such as ours. Also, our rapid growth may make it difficult for us to manage our business efficiently, effectively manage our capital expenditures and control our costs, including general and administrative costs. These challenges could have a material adverse effect on our business, financial condition and results of operation.

We rely on a limited number of key customers.

        There are a limited number of possible customers for electricity and RECs produced in a given geographic location. As a result, we do not have many choices about the buyers of our electricity, which limits our ability to negotiate the terms under which we sell electricity. Also, since we depend on sales of electricity and RECs to certain key customers, our operations are highly dependent upon these customers' fulfilling their contractual obligations under our power purchase agreements (PPAs) and other material sales contracts. For example, 45% of our revenues were generated from sales of electricity under PPAs with four customers in the year ended December 31, 2009. Our customers may

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not comply with their contractual payment obligations or may become subject to insolvency or liquidation proceedings during the term of the relevant contracts. In addition, the credit support we received from such customers to secure their payments under the PPAs may not be sufficient to cover our losses if they fail to perform. To the extent that any of our customers are, or are controlled by, governmental entities, they may also be subject to legislative or other political action that impairs their contractual performance. Failure by any key customer to meet its contractual commitments or insolvency or liquidation of our customers could have a material adverse effect on our business, financial condition and results of operations.

We face competition primarily from other renewable energy sources and, in particular, other wind energy companies.

        We believe our primary competitors are developers and operators focused on renewable energy generation, and specifically wind energy companies. Renewable energy sources, including wind, biomass, geothermal and solar, currently benefit from various governmental incentives such as PTCs, ITCs, cash grants, loan guarantees, RPS programs and accelerated tax depreciation. Changes in any of these incentives could significantly disadvantage wind energy generators including us, compared with other renewable energy sources. Further, the energy industry is rapidly evolving and highly competitive. A reduction in demand for energy from renewable sources or our failure to identify and adapt to new technologies could have a material adverse effect on our business, financial condition and results of operations.

        We compete with other wind energy companies primarily for sites with good wind resources that can be built in a cost-effective manner. We also compete for access to transmission or distribution networks. Because the wind energy industry in the United States is at an early stage, we also compete with other wind energy developers for the limited pool of personnel with requisite industry knowledge and experience. Furthermore, in recent years, there have been times of increased demand for wind turbines and their related components, causing turbine suppliers to have difficulty meeting the demand. If these conditions return in the future, turbine and other component manufacturers may give priority to other market participants, including our competitors, who may have resources greater than ours.

        We compete with other renewable energy companies (and energy companies in general) for the financing needed to pursue our development plan. Once we have developed a project and put a project into operation, we may compete on price if we sell electricity into power markets at wholesale market prices. Depending on the regulatory framework and market dynamics of a region, we may also compete with other wind energy companies, as well other renewable energy generators, when we bid on or negotiate for a long-term PPA.

We also compete with traditional energy companies.

        We also compete with traditional energy companies. For example, depending on the regulatory framework and market dynamics of a region, we also compete with traditional electricity producers when we bid on or negotiate for a long-term PPA. Furthermore, technological progress in traditional forms of electricity generation (including technology that reduces or sequesters greenhouse gas emissions) or the discovery of large new deposits of traditional fuels could reduce the cost of electricity generated from those sources or make them more environmentally friendly, and as a consequence reduce the demand for electricity from renewable energy sources or render existing or future wind energy projects uncompetitive. Any of these developments could have a material adverse effect on our business, financial condition and results of operations.

The growth of our business depends on locating and obtaining control of suitable operating sites.

        Wind energy projects require wind conditions that are found in limited geographic areas and, within these areas, at particular sites. These sites must also be suitable for construction of a wind

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energy project, including related roads and operations and maintenance facilities. Further, projects must be interconnected to electricity transmission or distribution networks. Once we have identified a suitable operating site, obtaining the requisite land rights (including access rights, setbacks and other easements) requires us to negotiate with landowners and local government officials. These negotiations can take place over a long time, are not always successful and sometimes require economic concessions not in our original plans. The property rights necessary to construct and interconnect our projects must also be insurable and otherwise satisfactory to our financing counterparties. In addition, our ability to obtain adequate property rights is subject to competition from other wind energy developers. If a competitor or other party obtains land rights critical to our project development efforts that we are unable to resolve, we could incur losses as a result of development costs for sites we do not develop, which we would have to write off. If we are unable to obtain adequate property rights for a project, including its interconnection, that project may be smaller in size or potentially unfeasible. Failure to obtain insurable property rights for a project satisfactory to our financing counterparties would preclude our ability to obtain third-party financing and could prevent ongoing development and construction of that project.

Negative public or community response to wind energy projects in general or our projects specifically can adversely affect our ability to develop our projects.

        Negative public or community response to our wind energy projects can adversely affect our ability to develop, construct and operate our projects. This type of negative response can lead to legal, public relations and other challenges that impede our ability to meet our development and construction targets, achieve commercial operations for a project on schedule, address the changing needs of our projects over time and generate revenues. Some of our projects are and have been the subject of administrative and legal challenges from groups opposed to wind energy projects in general or concerned with potential environmental, health or aesthetic impacts, impacts on property values or the rewards of property ownership, or impacts on the natural beauty of public lands. We expect this type of opposition to continue as we develop and construct our existing and future projects. An increase in opposition to our requests for permits or successful challenges or appeals to permits issued to us could materially adversely affect our development plans. If we are unable to develop, construct and operate the production capacity that we expect from our development projects in our anticipated timeframes, it could have a material adverse effect on our business, financial condition and results of operations.

We need governmental approvals and permits, including environmental approvals and permits, to construct and operate our projects. Any failure to procure and maintain necessary permits would adversely affect ongoing development, construction and continuing operation of our projects.

        The design, construction and operation of wind energy projects are highly regulated, require various governmental approvals and permits, including environmental approvals and permits, and may be subject to the imposition of related conditions that vary by jurisdiction. In some cases, these approvals and permits require periodic renewal. We cannot predict whether all permits required for a given project will be granted or whether the conditions associated with the permits will be achievable. The denial of a permit essential to a project or the imposition of impractical conditions would impair our ability to develop the project. In addition, we cannot predict whether the permits will attract significant opposition or whether the permitting process will be lengthened due to complexities and appeals. For example, there are currently permit appeals pending with respect to our Rollins and Sheffield projects which have delayed the start of construction of these projects. Delay in the review and permitting process for a project can impair or delay our ability to develop that project or increase the cost so substantially that the project is no longer attractive to us. We have experienced delays in developing our projects due to delays in obtaining non-appealable permits and may experience delays in the future. If we were to commence construction in anticipation of obtaining the final, non-appealable permits needed for that project, we would be subject to the risk of being unable to complete the project if all the permits were not obtained. If this were to occur, we would likely lose a significant portion of our investment in the project and could incur a loss as a result. Any failure to procure and maintain necessary permits would adversely affect ongoing development, construction and continuing operation of our projects.

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Our development activities and operations are subject to numerous environmental, health and safety laws and regulations.

        We are subject to numerous environmental, health and safety laws and regulations in each of the jurisdictions in which we operate. These laws and regulations require us to obtain and maintain permits and approvals, undergo environmental impact assessments and review processes and implement environmental, health and safety programs and procedures to control risks associated with the siting, construction, operation and decommissioning of wind energy projects. For example, to obtain permits we could be required to undertake expensive programs to protect and maintain local endangered species. If such programs are not successful, we could be subject to penalties or to revocation of our permits. In addition, permits frequently specify permissible sound levels.

        If we do not comply with applicable laws, regulations or permit requirements, we may be required to pay penalties or fines or curtail or cease operations of the affected projects. Violations of environmental and other laws, regulations and permit requirements, including certain violations of laws protecting migratory birds and endangered species, may also result in criminal sanctions or injunctions.

        Environmental, health and safety laws, regulations and permit requirements may change or become more stringent. Any such changes could require us to incur materially higher costs than we currently have. Our costs of complying with current and future environmental, health and safety laws, regulations and permit requirements, and any liabilities, fines or other sanctions resulting from violations of them, could adversely affect our business, financial condition and results of operations.

Our ownership and operation of real property and our disposal of hazardous waste could result in our being liable for environmental issues.

        Certain environmental laws impose liability on current and previous owners and operators of real property for the cost of removal or remediation of hazardous substances. These laws often impose liability even if the owner or operator did not know of, or was not responsible for, the release of such hazardous substances. They can also assess liability on persons who arrange for hazardous substances to be sent to disposal or treatment facilities when such facilities are found to be contaminated. Such persons can be responsible for cleanup costs even if they never owned or operated the contaminated facility. In addition to actions brought by governmental agencies, private plaintiffs may also bring claims arising from the presence of hazardous substances on a property or exposure to such substances. Our liabilities arising from past or future releases of, or exposure to, hazardous substances may adversely affect our business, financial condition and results of operations.

We often rely on transmission lines and other transmission facilities that are owned and operated by third parties. Where we develop our own generator leads, we are exposed to transmission facility development and curtailment risks, which may delay and increase the costs of our projects or reduce the return to us on those investments.

        We often depend on electric transmission lines owned and operated by third parties to deliver the electricity we generate. Some of our projects have limited access to interconnection and transmission capacity because there are many parties seeking access to the limited capacity that is available. We may not be able to secure access to this limited interconnection or transmission capacity at reasonable prices or at all. Moreover, a failure in the operation by third parties of these transmission facilities could result in our losing revenues because such a failure could limit the amount of electricity we deliver. In addition, our production of electricity may be curtailed due to third-party transmission limitations, reducing our revenues and impairing our ability to capitalize fully on a particular project's potential. Such a failure could have a material adverse effect on our business, financial condition and results of operations.

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        In certain circumstances, we have developed and in the future will develop our own generator leads from our projects to available electricity transmission or distribution networks when such facilities do not already exist. In some cases, these facilities may cover significant distances. To construct such facilities, we need approvals, permits and land rights, which may be difficult or impossible to acquire or the acquisition of which may require significant expenditures. We may not be successful in these activities, and our projects that rely on such generator lead development may be delayed, have increased costs or not be feasible. Our failure in operating these generator leads could result in lost revenues because it could limit the amount of electricity we are able to deliver. In addition, we may be required by law or regulation to provide service over our facilities to third parties at regulated rates, which could constrain transmission of our power from the affected facilities, or we could be subject to additional regulatory risks associated with being considered the owner of a transmission line.

We may be unable to construct our wind energy projects on time, and our construction costs could increase to levels that make a project too expensive to complete or make the return on our investment in that project less than expected.

        There may be delays or unexpected developments in completing our wind energy projects, which could cause the construction costs of these projects to exceed our expectations. We may suffer significant construction delays or construction cost increases as a result of a variety of factors, including:

        Any of these factors could give rise to construction delays and construction costs in excess of our expectations. This could prevent us from completing construction of a project, cause defaults under our financing agreements or under PPAs that require completion of project construction by a certain time, cause the project to be unprofitable for us, or otherwise impair our business, financial condition and results of operations.

Demand for wind turbines and related components has exceeded supply in the past and may again in the future. In that case, we may face difficulties in obtaining turbines and related components at affordable prices, in a timely manner or in sufficient quantities.

        A limited number of companies build turbines with a capacity in excess of one MW. In recent years, the rapid growth in aggregate worldwide installed wind power capacity created at times a surge in the demand for wind turbines and their related components. Turbine suppliers have at times had difficulty meeting the demand, leading to significant supply backlogs, increased prices, higher up-front

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payments and deposits and delivery delays. These market conditions may prevail again and if they do, may result in prices that are higher than the costs we expect, less favorable payment terms or may result in insufficient available supplies to sustain our growth. Delays in the delivery of ordered turbines and components could delay the completion of our projects under development. Additionally, future price increases may make it more costly for us to acquire turbines that are not covered by our current turbine supply arrangements.

        We may not be able to purchase a sufficient quantity of turbines and related components to satisfy our business plans. Also, turbine and other component manufacturers may give priority to other market participants, including our competitors. To the extent that a wind turbine manufacturer becomes unable or unwilling to supply us with the turbines that we need to develop, construct and operate our projects in accordance with our development plan and budget, we may be unable to find suitable replacements. If we are unable to acquire turbines to meet our development plan, it would have a material adverse effect on our business, financial condition and results of operations.

Warranties from suppliers of turbines, which protect us against turbine non-performance, may be limited by the ability of the vendor to satisfy its obligations under the warranty. In addition, the warranties have time limits and if we are not ready for turbine installation at the time we receive a turbine, that warranty protection can be lost.

        When we purchase turbines, we also enter into warranty agreements with the manufacturer. However, there can be no assurance that the supplier will be able to fulfill its contractual obligations. In addition, these warranties generally expire within two to five years after the turbine delivery date or the date the turbine is commissioned. We may lose all or a portion of the benefit of a warranty if we take delivery of a turbine before we are able to deploy it, as we have in the past. If we seek warranty protection and the vendor is unable or unwilling to perform its obligations under the warranty, whether as a result of the vendor's financial condition or otherwise, or if the term of the warranty has expired, we may suffer reduced warranty availability for the affected turbines, which could have a material adverse effect on our business, financial condition and results of operations. Also, under such warranties, the warranty payments by the manufacturer are typically subject to an aggregate maximum cap that is a portion of the total purchase price of the turbines. Losses in excess of these caps may be our responsibility.

Our use and enjoyment of real property rights for our wind energy projects may be adversely affected by the rights of lienholders and leaseholders that are superior to those of the grantors of those real property rights to us.

        Our wind energy projects generally are and are likely to be located on land we occupy pursuant to long-term easements and leases. The ownership interests in the land subject to these easements and leases may be subject to mortgages securing loans or other liens (such as tax liens) and other easement and lease rights of third parties (such as leases of oil or mineral rights) that were created prior to our easements and leases. As a result, our rights under these easements or leases may be subject, and subordinate, to the rights of those third parties. We perform title searches and obtain title insurance to protect ourselves against these risks. Such measures may, however, be inadequate to protect us against all risk of loss of our rights to use the land on which our projects are located, which could have a material adverse effect on our business, financial condition and results of operations.

Many of our operating projects are, and other future projects may be, subject to regulation by the Federal Energy Regulatory Commission under the Federal Power Act or other regulations that regulate the sale of electricity, which may adversely affect our business.

        Some of our current operating projects are "Qualifying Facilities" that are exempt from regulation as public utilities by the Federal Energy Regulatory Commission (FERC) under the Federal Power Act

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(FPA). Many of our operating projects are, however, subject to rate regulation by FERC under the FPA, and certain of our under-construction and development projects may be subject to such rate regulation in the future. Our projects that are subject to rate regulation are required to obtain FERC acceptance of their rate schedules for wholesale sales of energy, capacity and ancillary services. FERC may revoke or revise an entity's authorization to make wholesale sales at market-based rates if FERC subsequently determines that such entity can exercise market power in transmission or generation, create barriers to entry or engage in abusive affiliate transactions or market manipulation. In addition, public utilities are subject to FERC reporting requirements that impose administrative burdens and that, if violated, can expose the company to civil penalties or other risks.

        Any market-based rate authority that we have or will obtain will be subject to certain market behavior rules. If we are deemed to have violated these rules, we will be subject to potential disgorgement of profits associated with the violation and/or suspension or revocation of our market-based rate authority, as well as potential criminal and civil penalties. If we were to lose market-based rate authority for a project, we would be required to obtain FERC's acceptance of a cost-based rate schedule and could become subject to, among other things, the burdensome accounting, record keeping and reporting requirements that are imposed on public utilities with cost-based rate schedules. This could have an adverse effect on the rates we charge for power from our projects and our cost of regulatory compliance.

        Although the sale of electric energy has been to some extent deregulated, the industry is subject to increasing regulation and even possible re-regulation. Due to major regulatory restructuring initiatives at the federal and state levels, the U.S. electric industry has undergone substantial changes over the past several years. We cannot predict the future design of wholesale power markets or the ultimate effect ongoing regulatory changes will have on our business. Other proposals to re-regulate may be made and legislative or other attention to the electric power market restructuring process may delay or reverse the movement towards competitive markets. If deregulation of the electric power markets is reversed, discontinued or delayed, our business, financial condition and results of operations could be adversely affected.

Current or future litigation or administrative proceedings could have a material adverse effect on our business, financial condition and results of operations.

        We have been and continue to be involved in legal proceedings, administrative proceedings, claims and other litigation that arise in the ordinary course of business. Individuals and interest groups may sue to challenge the issuance of a permit for a wind energy project or seek to enjoin construction of a wind energy project. For example, proceedings have been instituted against us challenging the issuance of some of our permits. In addition, we may be subject to legal proceedings or claims contesting the construction or operation of our wind energy projects. For example, some residents near our Mars Hill project have commenced litigation against us based on our construction and operation of the project. Unfavorable outcomes or developments relating to these proceedings, such as judgments for monetary damages, injunctions or denial or revocation of permits, could have a material adverse effect on our business, financial condition and results of operations. In addition, settlement of claims could adversely affect our financial condition and results of operations. See "Business—Legal Proceedings."

Acquisition of existing wind energy assets involves numerous risks.

        We may acquire existing wind energy assets, which involves numerous risks, including: difficulty in developing the assets into operating projects; unanticipated costs and exposure to liabilities; difficulty in integrating the acquired assets; and, if the assets are in new markets, the risks of entering markets where we have limited experience. A failure to achieve the financial returns we expect when we acquire wind energy assets could have an adverse effect on our business.

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We are not able to insure against all potential risks and may become subject to higher insurance premiums.

        Our business is exposed to the risks inherent in the construction and operation of wind energy projects, such as breakdowns, manufacturing defects, natural disasters, terrorist attacks and sabotage. We are also exposed to environmental risks. We have insurance policies covering certain risks associated with our business. Our insurance policies do not, however, cover losses as a result of force majeure, natural disasters, terrorist attacks or sabotage, among other things. We generally do not maintain insurance for certain environmental risks, such as environmental contamination. In addition, our insurance policies are subject to annual review by our insurers and may not be renewed at all or on similar or favorable terms. A serious uninsured loss or a loss significantly exceeding the limits of our insurance policies could have a material adverse effect on our business, financial condition and results of operations.

The loss of one or more members of our senior management or key employees may adversely affect our ability to implement our strategy.

        We depend on our experienced management team and the loss of one or more key executives could have a negative impact on our business. We also depend on our ability to retain and motivate key employees and attract qualified new employees. Because the wind industry is relatively new, there is a scarcity of top-quality employees with experience in the wind industry. If we lose a member of the management team or a key employee, we may not be able to replace him or her. Integrating new employees into our management team and training new employees with no prior experience in the wind industry could prove disruptive to our operations, require a disproportionate amount of resources and management attention and ultimately prove unsuccessful. An inability to attract and retain sufficient technical and managerial personnel could limit or delay our development efforts, which could have a material adverse effect on our business, financial condition and results of operations.

Risks Related to Our Financial Activities

We may not be able to finance the growth of our business, including the development and construction of our wind energy projects and the growth of our organization.

        We are in a capital intensive business and rely heavily on the debt and equity markets to finance the development and construction costs of our projects and other projected capital expenditures. Completion of our projects requires significant capital expenditures and construction costs. Recovery of the capital investment in a wind energy project generally occurs over a long period of time. As a result, we must obtain funds from equity or debt financings, including tax equity transactions, or from government grants to develop and construct our existing project pipeline, to finance the acquisition of turbines, to identify and develop new projects, and to pay the general and administrative costs of operating our business. The cost of turbines represents approximately 70% of the total cost of an average wind energy project. The significant disruption in credit and capital markets generally over 2008 and 2009 has made it difficult to obtain financing on acceptable terms or, in some cases, at all. If we are unable to raise additional funds when needed, we could delay development and construction of projects, reduce the scope of projects or abandon or sell some or all of our development projects, or default on our contractual commitments to buy turbines in the future, any of which would adversely affect our business, financial condition and results of operations.

Our substantial amount of indebtedness maturing in less than one year may adversely affect our ability to operate our business, remain in compliance with debt covenants and make payments on our indebtedness.

        As of March 31, 2010, we had gross outstanding indebtedness of approximately $516.4 million, which represented approximately            % of our total debt and equity capitalization of

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$             million (after giving effect to this offering and giving effect to the pro forma as adjusted assumptions set forth under "Capitalization"), including:

        Of this amount, approximately $103.7 million matures prior to April 1, 2011. This amount is principally composed of $79.9 million of non-recourse turbine supply loan debt due on June 30, 2010. We do not have available cash or short-term liquid investments sufficient to repay all of this indebtedness and we have not obtained commitments for refinancing all of this debt. Therefore, we may not be able to extend the maturity of this indebtedness or to otherwise successfully refinance current maturities. If we are unable to repay or further extend the maturity on the $79.9 million turbine supply loan, we would be in default on this loan, and the lender could accelerate the remaining balance of $53.1 million due in 2011 under this loan. In that event, we may be forced to sell the collateral securing this loan or surrender the collateral to the lender, which would result in a loss for financial reporting purposes and could have an adverse effect on our longer term operations, including a potential delay in completion of one or more of the Milford II, KWP II or Rollins projects. In addition, our indebtedness under an $18.6 million loan agreement for Stetson II, which we refer to as the Stetson II Construction Loan, will mature on July 10, 2010. Approximately $8.1 million was outstanding under the Stetson II Construction Loan as of March 31, 2010, and we anticipate that we will borrow an additional $10.0 million under this agreement prior to its maturity.

        The initial report of our independent registered public accounting firm, dated April 30, 2009, on our consolidated financial statements as of and for the year ended December 31, 2008, contained an explanatory paragraph regarding our ability to continue as a going concern. After April 30, 2009, we obtained additional funding that removed the substantial doubt about whether we would continue as a going concern through December 31, 2009. The report of our independent registered public accounting firm dated March 24, 2010, on our consolidated financial statements as of and for the year ended December 31, 2009, does not contain such an explanatory paragraph; however, there may be in the future circumstances that raise substantial doubt about our ability to continue as a going concern. If doubts about our ability to continue as a going concern are raised in the future notwithstanding the additional funding we have obtained and will obtain from this offering, our stock price could drop and our ability to raise additional funds, to obtain credit on commercially reasonable terms or to remain in compliance with covenants that we have in place with current lenders may be adversely affected.

        In addition, the assets of some of our subsidiaries collateralize their indebtedness, and in certain cases the assets of certain subsidiaries collateralize the indebtedness of other subsidiaries. This cross-collateralization means that a default by one subsidiary could trigger adverse consequences for other subsidiaries, including possible defaults under their debt agreements, which could have a material adverse effect on our business, financial condition and results of operations.

        Our substantial indebtedness could have important consequences. For example, it could:

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        Any of these consequences could materially and adversely affect our business, financial condition and results of operations. If we do not comply with our obligations under our debt instruments, we may be required to refinance all or part of our existing debt, borrow additional amounts or sell securities, which we may not be able to do on favorable terms, or at all. In addition, increases in interest rates and changes in debt covenants may reduce the amounts that we can borrow, reduce our net cash flow and increase the equity investment we may be required to make to complete development and construction of our projects. These increases could cause some of our projects to become economically unattractive. If we are unable to raise additional capital or generate sufficient operating cash flow to repay our indebtedness, we could be in default under our lending agreements and could be required to delay development and construction of our wind energy projects, reduce overhead costs, reduce the scope of our projects or abandon or sell some or all of our development projects, all of which could have a material adverse effect on our business, financial condition and results of operations.

If our subsidiaries default on their obligations under their debt instruments, we may need to make payments to lenders to prevent foreclosure on the collateral securing the debt, which would cause us to lose certain of our wind energy projects.

        Our subsidiaries incur various types of debt. Non-recourse debt is repayable solely from the applicable project's revenues and is secured by the project's physical assets, major contracts, cash accounts and, in many cases, our ownership interest in the project subsidiary. Limited recourse debt is debt where we have provided a limited guarantee and recourse debt is debt where we have provided a full guarantee, which means if our subsidiaries default on these obligations, we will be liable directly to those creditors, although in the case of limited recourse debt only to the extent of our limited recourse obligations. To satisfy these obligations, we may be required to use amounts distributed by our other subsidiaries as well as other sources of available cash, reducing the cash available to execute our business plan. In addition, if our subsidiaries default on their obligations under non-recourse financing agreements, we may decide to make payments to prevent the creditors of these subsidiaries from foreclosing on the relevant collateral. Such a foreclosure would result in our losing our ownership interest in the subsidiary or in some or all of its assets. The loss of our ownership interest in one or more of our subsidiaries or some or all of their assets could have a material adverse effect on our business, financial condition and results of operations.

Our hedging activities may not adequately manage our exposure to commodity and financial risk, may result in significant losses or require us to use cash collateral to meet margin requirements, each of which could adversely affect our results of operations and cash flow. Liquidity constraints could impair our ability to execute favorable financial hedges in the future.

        Our ownership and operation of wind energy projects exposes us to volatility in market prices of electricity and RECs.

        In an effort to stabilize our revenue from electricity sales, we evaluate the electricity sale options for each of our development projects, including the appropriateness of entering into a PPA or a financial swap, or both. If we sell our electricity into an independent system operator (ISO) market without a PPA, we may enter into a financial swap to stabilize all or a portion of our estimated revenue stream. Under the terms of our existing financial swaps, we are not obligated to physically deliver or purchase electricity. Instead, we receive payments for specified quantities of electricity based on a fixed price and are obligated to pay our counterparty the market price for the same quantities of electricity. These financial swaps cover quantities of electricity that we estimate we are highly likely to produce. As a result, gains or losses under the financial swaps are designed to be offset by decreases or increases in

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our revenues from spot sales of electricity in liquid ISO markets. However, the actual amount of electricity we generate from operations may be materially different from our estimates for a variety of reasons, including variable wind conditions and turbine availability. If a project does not generate the volume of electricity covered by the associated swap contract, we could incur significant losses if electricity prices in the market rise substantially above the fixed price provided for in the swap. If a project generates more electricity than is contracted in the swap, the excess production will not be hedged and the revenues we derive will be exposed to market price fluctuations.

        We would also incur financial losses as a result of adverse changes in the mark-to-market values of the financial swaps or if the counterparty fails to make payments. We could also experience a reduction in operating cash flow if we are required to post margin in the form of cash collateral. We often are required to post cash collateral and issue letters of credit, which fluctuate based on changes in commodity prices, to backstop our obligations under our hedging arrangements. These actions reduce our available borrowing capacity under the credit facilities under which these letters of credit are issued. We have been and expect in the future to be required to post additional cash collateral or issue additional letters of credit if electricity and oil prices rise. We may be exposed to counterparty credit risk, and may suffer losses, if we enter into hedges with entities that are not creditworthy or we obtain credit support that is inadequate with respect to a counterparty.

        We enter into PPAs when we sell our electricity into non-ISO markets or where we believe it is otherwise advisable. Under a PPA, we contract to sell all or a fixed proportion of the electricity generated by one of our projects, sometimes bundled with RECs and capacity, to a customer, often a utility. We do this to stabilize our revenues from that project. We are exposed to the risk that the customer will fail to perform under a PPA, with the result that we will have to sell our electricity at the market price, which could be disadvantageous in the case of fixed-price PPAs. We also in some instances commit to sell minimum levels of generation. If the project generates less than the committed volumes, we may be required to buy the shortfall of electricity on the open market or make payments of liquidated damages.

        We often seek to sell forward a portion of our RECs to fix the revenues from those attributes and hedge against future declines in prices of RECs. If our projects do not generate the amount of electricity required to earn the RECs sold forward or if for any reason the electricity we generate does not produce RECs for a particular state we may be required to make up the shortfall of RECs through purchases on the open market or make payments of liquidated damages. Further, current market conditions may limit our ability to hedge sufficient volumes of our anticipated RECs, leaving us exposed to the risk of falling prices for RECs. Future prices for RECs are also subject to the risk that regulatory changes will adversely affect prices.

We are subject to credit and performance risk from third parties under service and supply contracts.

        We enter into contracts with vendors to supply equipment, materials and other goods and services for the development, construction and operation of wind projects as well as for other business operations. If vendors do not perform their obligations, we may have to enter into new contracts with other vendors at a higher cost or may have schedule disruptions.

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We rely on tax equity financing arrangements to realize the benefits provided by PTCs and accelerated tax depreciation. These arrangements may limit the cash distributions we receive and restrict the manner in which we conduct our business.

        Through March 31, 2010, we have entered into four tax equity financing transactions in which we received an aggregate of $388 million ($146.2 million in two transactions in 2007, $19.7 million in 2008 and $222.1 million in 2009) from tax equity investors in return for investments in our projects. The 2009 amount of $222.1 million consisted of an equity investment of $102.1 million and a redeemable interest of $120 million. We repaid the redeemable interest in March 2010 with the proceeds from an ARRA cash grant. The tax equity investors are entitled to most of the applicable project's operating cash flow from electricity sales and related hedging activities, and substantially all of the PTCs and taxable income or loss until they achieve their respective agreed rates of return, which we expect to occur in 10 years.

        As a result, a tax equity financing substantially reduces the cash distributions from the applicable project available to us for other uses, and the period during which the tax equity investors receive most of the cash distributions from electricity sales and related hedging activities may last longer than expected if our wind energy projects perform below our expectations.

        Our ability to enter into tax equity arrangements in the future depends on the extension of the expiration date or renewal of the PTC, without which the market for tax equity financing would likely cease to exist. Moreover, there are a limited number of potential tax equity investors, they have limited funds and wind energy developers compete with other renewable energy developers and others for tax equity financing. In addition, conditions in financial and credit markets generally may result in the contraction of available tax equity financing. As the renewable energy industry expands, the cost of tax equity financing may increase and there may not be sufficient tax equity financing available to meet the total demand in any year. If we are unable to enter into tax equity financing agreements with attractive pricing terms or at all, we may not be able to use the tax benefits provided by PTCs and accelerated tax depreciation, which could have a material adverse effect on our business, financial condition and results of operations.

        Our tax equity financing agreements provide our tax equity investors with various approval rights with respect to the applicable project or projects, including approvals of annual budgets, indebtedness, incurrence of liens, sales of assets outside the ordinary course of business and litigation settlements. These approval rights may restrict how we conduct our business.

We have had material weaknesses and significant deficiencies in our internal control over financial reporting. Any material weaknesses or significant deficiencies in our internal controls could result in a material misstatement in our financial statements as well as result in our inability to file periodic reports timely as required by federal securities laws, which could have a material adverse effect on our business and stock price.

        We are required to design, implement and maintain effective controls over financial reporting. A material weakness is a deficiency, or a combination of deficiencies, in internal control over financial reporting such that there is a reasonable possibility that a material misstatement of a company's annual or interim financial statements will not be prevented or detected on a timely basis.

        We have had material weaknesses in our internal control over financial reporting that related to the adequacy of our financial and accounting organization support for our financial accounting and reporting needs. These weaknesses mainly resulted from a lack of sufficient personnel, and contributed to significant deficiencies related to: (1) effective policies and procedures designed to ensure certain costs are capitalized in accordance with generally accepted accounting principles and captured in the appropriate accounting period; (2) an effective process to ensure the completeness of accounts payable and accrued expenses; and (3) an effective review, approval and communications process for journal entries.

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        While we are implementing procedures designed to remediate these weaknesses and deficiencies, we cannot be certain that we will not in the future have material weaknesses or significant deficiencies in our internal control over financial reporting, or that we will successfully remediate any that we find. If, in the future, we have weaknesses or deficiencies in our internal controls, that could result in a material misstatement in our annual or interim consolidated financial statements or cause us to fail to meet our obligations to file periodic financial reports with the SEC. We also may not be able conclude on an ongoing basis that we have effective internal control over financial reporting as contemplated by Section 404 of the Sarbanes-Oxley Act of 2002 or our independent registered public accounting firm may issue an adverse opinion on the effectiveness of our internal control over financial reporting. Any of these failures could result in adverse consequences that could materially and adversely affect our business, including potential action by the SEC against us, possible defaults under our debt agreements, stockholder lawsuits, delisting of our stock and general damage to our reputation.

Risks Related to Our Structure

We are a holding company and our only material asset after completion of the reorganization and this offering will be our interest in First Wind Holdings, LLC, and accordingly we are dependent upon distributions from First Wind Holdings, LLC to pay taxes and other expenses.

        We will be a holding company and will have no material assets other than our ownership of Series A Membership Interests of First Wind Holdings, LLC. We will have no independent means of generating revenue. First Wind Holdings, LLC will be treated as a partnership for U.S. federal income tax purposes and, as such, will not itself be subject to U.S. federal income tax. Instead, its taxable income will generally be allocated to its members, including us, pro rata according to the number of membership units each member owns. Accordingly, we will incur income taxes on our proportionate share of any net taxable income of First Wind Holdings, LLC and also will incur expenses related to our operations. We intend to cause First Wind Holdings, LLC to distribute cash to its members in an amount at least equal to the amount necessary to cover their tax liabilities, if any, with respect to their allocable share of the net income of First Wind Holdings, LLC. To the extent that we need funds to pay our tax or other liabilities or to fund our operations, and First Wind Holdings, LLC is restricted from making distributions to us under applicable agreements, laws or regulations or does not have sufficient cash to make these distributions, we may have to borrow funds to meet these obligations and operate our business and our liquidity and financial condition could be materially adversely affected.

We will be required to pay certain holders of Series B Membership Interests most of the tax benefit of any depreciation or amortization deductions we may claim as a result of the tax basis step up we receive in connection with future exchanges of Series B Membership Interests.

        We expect that any future exchanges of Series B Membership Interests (together with an equal number of shares of our Class B common stock) for shares of our Class A common stock will result in increases in the tax basis in the tangible and intangible assets of First Wind Holdings, LLC. Any such increases in tax basis would reduce the amount of tax that we would otherwise be required to pay in the future. We will be required to pay a portion of the cash savings we actually realize from such increase to certain holders of the Series B Membership Interests, which include our Sponsors and certain of our employees and current investors, pursuant to a tax receivable agreement. See "The Reorganization and Our Holding Company Structure—Tax Receivable Agreement."

        We intend to enter into a tax receivable agreement with certain current members of First Wind Holdings, LLC and certain future holders of the Series B Membership Interests, pursuant to which we will pay them 85% of the amount of the cash savings, if any, in U.S. federal, state and local income tax that we realize (or are deemed to realize in the case of an early termination payment by us, or a change in control, as discussed below) as a result of these possible future increases in tax basis. Any actual increases in tax basis, as well as the amount and timing of any payments under the tax receivable

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agreement cannot be predicted reliably at this time. The amount of any such increases will vary depending upon a number of factors, including the timing of exchanges, the price of our Class A common stock at the time of the exchanges, the extent to which such exchanges are taxable, the amount and timing of our income and the tax rates then applicable. As a result of the size and increases in our share of the tax basis in the tangible and intangible assets of First Wind Holdings, LLC attributable to our interest therein, the payments that we may be required to make pursuant to the tax receivable agreement could be substantial.

        If the Internal Revenue Service successfully challenges the tax basis increases described above, we will not be reimbursed for any payments made under the tax receivable agreement. As a result, in certain circumstances, we could be required to make payments under the tax receivable agreement in excess of our cash tax savings.

If we are deemed to be an investment company under the Investment Company Act, our business would be subject to applicable restrictions under that Act, which could make it impracticable for us to continue our business as contemplated.

        We believe our company is not an investment company under the Investment Company Act because we are the managing member of First Wind Holdings, LLC and we are primarily engaged in a non-investment company business. We intend to conduct our operations so that we will not be an investment company. However, if we are deemed an investment company, restrictions imposed by the Investment Company Act, including limitations on our capital structure and our ability to transact with affiliates, and changes in financial reporting and regulatory disclosure requirements as a result of being an investment company, could make it impractical for us to continue operating our business as contemplated.

Risks Related to this Offering and Our Class A Common Stock

We will continue to be controlled by our Sponsors after the completion of this offering, which will limit your ability to influence corporate activities and may adversely affect the market price of our Class A common stock.

        Upon completion of the offering, the D. E. Shaw group and Madison Dearborn will own or control outstanding common stock representing an approximately              % and              % voting interest in us, respectively, or approximately              % and              %, respectively, if the underwriters exercise their over-allotment option in full. As a result of this ownership, our Sponsors will have effective control over the outcome of votes on all matters requiring approval by our stockholders, including the election of directors, the adoption of amendments to our certificate of incorporation and bylaws and approval of a sale of the company and other significant corporate transactions. Our Sponsors can also take actions that have the effect of delaying or preventing a change in control of us or discouraging others from making tender offers for our shares, which could prevent stockholders from receiving a premium for their shares. These actions may be taken even if other stockholders oppose them. Concurrently with the completion of this offering we and our Sponsors will enter into a nominating agreement pursuant to which we will agree to nominate individuals designated by our Sponsors to the board of directors, as described under "The Reorganization and Our Holding Company Structure—Nominating Agreement."

The interests of our Sponsors may conflict with the interests of our other stockholders.

        The interests of our Sponsors, or entities controlled by them, may not coincide with the interests of the holders of our Class A common stock. For example, our Sponsors could cause us to make acquisitions or engage in other transactions that increase the amount of our indebtedness or the number of outstanding shares of Class A common stock or sell revenue-generating assets. Additionally,

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our Sponsors are in the business of trading securities of, and/or investing in, energy companies, including wind energy producers, and related products, including derivatives, commodities and power, and may, from time to time, compete directly or indirectly with us or prevent us from taking advantage of corporate opportunities. Our Sponsors may also pursue acquisition opportunities that may be complementary to our business, and as a result, those acquisition opportunities may not be available to us.

Conflicts of interest may arise because some of our directors are representatives of our controlling stockholders.

        Messrs. Aube, Eilers, Martin and Raino, who are representatives of our Sponsors, serve on our board of directors. As discussed above, our Sponsors and entities controlled by them may hold equity interests in entities that directly or indirectly compete with us, and companies in which they currently invest may begin competing with us. As a result of these relationships, when conflicts between the interests of our Sponsors, on the one hand, and the interests of our other stockholders, on the other hand, arise, these directors may not be disinterested. Although our directors and officers have a duty of loyalty to us under Delaware law and our certificate of incorporation, transactions that we enter into in which a director or officer has a conflict of interest are generally permissible so long as (1) the material facts relating to the director's or officer's relationship or interest as to the transaction are disclosed to our board of directors and a majority of our disinterested directors, or a committee consisting solely of disinterested directors, approves the transaction, (2) the material facts relating to the director's or officer's relationship or interest as to the transaction are disclosed to our stockholders and a majority of our disinterested stockholders approves the transaction or (3) the transaction is otherwise fair to us. Under our certificate of incorporation, representatives of our Sponsors are not required to offer to us any transaction opportunity of which they become aware and could take any such opportunity for themselves or offer it to other companies in which they have an investment, unless such opportunity is expressly offered to them solely in their capacity as a director of ours.

We have limited the liability of, and have agreed to indemnify, our Sponsors, their affiliates and their subsidiaries, as well as our directors and officers, which may result in these parties assuming greater risks.

        The liability of our Sponsors, their affiliates and their subsidiaries, as well as of our directors and officers, is limited, and we have agreed to indemnify each of these parties to the fullest extent permitted by law. This may lead such parties to assume greater risks when making investment-related decisions than they otherwise would.

        Under our certificate of incorporation and bylaws, the liability of our directors, officers and employees is limited. Similarly, First Wind Holdings, LLC's limited liability company agreement contains provisions limiting its managing member's, members', officers' and their respective affiliates', including our Sponsors', liability to First Wind Holdings, LLC and its unit holders. Because First Wind Holdings, LLC is a limited liability company, the exculpation and indemnification provisions in its limited liability company agreement are not subject to the limitations set forth in the Delaware General Corporation Law with respect to the indemnification that may be provided by a Delaware corporation to its directors and officers. In addition, we have contractually agreed to indemnify our directors, officers, and their respective affiliates, including our Sponsors, to the fullest extent permitted by law. These protections may result in the indemnified parties', including our Sponsors, tolerating greater risks when making investment-related decisions than otherwise would be the case, for example when determining whether to use leverage in connection with investments. The indemnification arrangements may also give rise to legal claims for indemnification that are adverse to us and holders of our common stock.

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The market price of our Class A common stock could decline due to the large number of shares of Class A common stock eligible for future sale upon the exchange of Series B Membership Interests.

        The market price of our Class A common stock could decline as a result of sales of a large number of shares of our Class A common stock eligible for future sale upon the exchange of Series B Membership Interests (together with an equal number of shares of our Class B common stock), or the perception that such sales could occur. These sales, or the possibility that these sales may occur, also may make it more difficult for us to raise additional capital by selling equity securities in the future, at a time and price that we deem appropriate.

        After completion of this offering, approximately                Series B Membership Interests of First Wind Holdings,  LLC will be outstanding. Subject to certain limitations, each Series B Membership Interest, together with a share of Class B common stock, will be exchangeable for one share of Class A common stock as described under "The Reorganization and Our Holding Company Structure—Limited Liability Company Agreement of First Wind Holdings, LLC." We will enter into a registration rights agreement with our current investors pursuant to which we will grant such investors registration rights with respect to shares of Class A common stock received upon exchange of Series B Membership Interests.

Requirements associated with being a public company will increase our costs significantly, as well as divert significant company resources and management attention.

        Before this offering, we have not been subject to the reporting requirements of the Exchange Act or the other rules and regulations of the SEC or any stock exchange relating to publicly-held companies. We are working with our legal, independent auditing and financial advisors to identify those areas in which changes should be made to our financial and management control systems to manage our growth and fulfill our obligations as a public company. These areas include corporate governance, corporate controls, internal audit, disclosure controls and procedures, financial reporting and accounting systems. We have made, and will continue to make, changes in these and other areas. However, the expenses that will be required in order to prepare adequately for being a public company could be material. Compliance with the various reporting and other requirements applicable to public companies will also require considerable management time and attention.

        In addition, being a public company could make it more difficult or more costly for us to obtain certain types of insurance, including directors' and officers' liability insurance, and we may be forced to accept reduced policy limits and coverage or incur substantially higher costs to obtain the same or similar coverage.

Our certificate of incorporation, bylaws and Delaware law contain provisions that could discourage another company from acquiring us, may prevent attempts by our stockholders to replace or remove our current management and could negatively affect our stock price.

        Some provisions of our certificate of incorporation, bylaws and Delaware law may have the effect of delaying, discouraging or preventing a merger or acquisition that our stockholders may consider favorable, including transactions in which stockholders may receive a premium for their shares. In addition, these provisions may frustrate or prevent any attempts by our stockholders to replace or remove our current management by making it more difficult for stockholders to replace or remove our board of directors. Our certificate of incorporation and bylaws:

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        In addition, in our certificate of incorporation, we have elected not to be subject to section 203 of the Delaware General Corporation Law, which would otherwise prohibit transactions with a stockholder who owns 15% or more of our stock. As a result, we may be more susceptible to takeover offers that have not been approved by our board. These provisions could limit the price that investors are willing to pay in the future for shares of our Class A common stock. These provisions may also discourage a potential acquisition proposal or tender offer, even if the acquisition proposal or tender offer is at a premium over the then-current market price for our Class A common stock.

Our Class A common stock has not traded publicly before this offering, and we expect the price of our Class A common stock to fluctuate substantially.

        There has not been a public market for our Class A common stock before this offering. A trading market for our Class A common stock may not develop or be liquid. If you purchase shares of our Class A common stock in this offering, you will pay a price that was not established in the public trading markets. The initial public offering price was determined by negotiations between the underwriters and us. You may not be able to resell your shares above the initial public offering price and may suffer a loss of some or all of your investment.

        Broad market and industry factors may adversely affect the market price of our Class A common stock, regardless of our actual operating performance. Other factors that could cause fluctuations in our stock price may include, among other things, the numerous risks and uncertainties as described under "Risk Factors" and under "Cautionary Statement Regarding Forward-Looking Statements."

Factors over which we have little or no control may cause our operating results to vary widely from period to period, which may cause our stock price to decline.

        Our operating results may fluctuate from period to period depending on several factors, including varying weather conditions; changes in regulated or market electricity prices; electricity demand, which follows broad seasonal demand patterns; changes in market prices for RECs; marking to market of our hedging arrangements and unanticipated development or construction delays. Thus, a period-to-period comparison of our operating results may not reflect long-term trends in our business and may not prove to be a relevant indicator of future earnings. These factors may harm our business, financial condition and results of operations and may cause our stock price to decline.

We currently do not intend to pay dividends on our Class A common stock. As a result, your only opportunity to achieve a return on your investment is if the price of our Class A common stock appreciates.

        We currently do not expect to declare or pay dividends on our Class A common stock. Our debt agreements currently limit our ability to pay dividends on our Class A common stock, and we may also enter into other agreements in the future that prohibit or restrict our ability to declare or pay dividends on our Class A common stock. As a result, your only opportunity to achieve a return on your investment will be if the market price of our Class A common stock appreciates and you sell your shares at a profit.

You may experience dilution of your ownership interest due to the future issuance of additional shares of our Class A common stock.

        We are in a capital intensive business and we do not have sufficient funds to finance the growth of our business or the construction costs of our development projects or to support our projected capital expenditures. As a result, we will require additional funds from further equity or debt financings,

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including tax equity financing transactions or sales of preferred shares or convertible debt to complete the development of new projects and pay the general and administrative costs of our business. We may in the future issue our previously authorized and unissued securities, resulting in the dilution of the ownership interests of purchasers of Class A common stock offered hereby. We are currently authorized to issue                shares of common stock and                shares of preferred stock with preferences and rights as determined by our board of directors. The potential issuance of such additional shares of common stock or preferred stock or convertible debt may create downward pressure on the trading price of our Class A common stock. We may also issue additional shares of Class A common stock or other securities that are convertible into or exercisable for Class A common stock in future public offerings or private placements for capital raising purposes or for other business purposes, potentially at an offering price or conversion price that is below the offering price for Class A common stock in this offering.

You will suffer immediate and substantial dilution in the book value per share of your Class A common stock as a result of this offering.

        The initial public offering price of our Class A common stock is considerably more than the pro forma net tangible book value per share of our outstanding Class A common stock, as adjusted to reflect completion of this offering. This reduction in the book value of your equity is known as dilution. This dilution occurs in large part because our earlier investors paid substantially less than the initial public offering price when they purchased their shares. Investors purchasing Class A common stock in this offering will incur immediate dilution of $                in pro forma net tangible book value per share of Class A common stock, as adjusted to reflect completion of this offering and giving effect to the pro forma as adjusted assumptions set forth under "Capitalization."

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CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

        Various statements in this prospectus, including those that express a belief, expectation or intention, as well as those that are not statements of historical fact, are forward-looking statements. The forward-looking statements may include projections and estimates concerning the timing and success of specific projects, revenues, income and capital spending. We generally identify forward-looking statements with the words "believe," "intend," "expect," "seek," "may," "should," "anticipate," "could," "estimate," "plan," "predict," "project" or their negatives, and other similar expressions. All statements we make relating to our estimated and projected earnings, margins, costs, expenditures, cash flows, growth rates and financial results or to our expectations regarding future industry trends are forward-looking statements.

        These forward-looking statements are subject to risks and uncertainties that may change at any time, and, therefore, our actual results may differ materially from those that we expected. The forward-looking statements contained in this prospectus are largely based on our expectations, which reflect many estimates and assumptions made by our management. These estimates and assumptions reflect our best judgment based on currently known market conditions and other factors. Although we believe such estimates and assumptions are reasonable, we caution that it is very difficult to predict the impact of known factors and it is impossible for us to anticipate all factors that could affect our actual results. In addition, management's assumptions about future events may prove to be inaccurate. We caution all readers that the forward-looking statements contained in this prospectus are not guarantees of future performance, and we cannot assure any reader that such statements will prove correct or the forward-looking events and circumstances will occur. Actual results may differ materially from those anticipated or implied in the forward-looking statements due to the numerous risks and uncertainties as described under "Risk Factors" and elsewhere in this prospectus. All forward-looking statements are based upon information available to us on the date of this prospectus. We undertake no obligation to update or revise any forward-looking statements as a result of new information, future events or otherwise, except as otherwise required by law. These cautionary statements qualify all forward-looking statements attributable to us, or persons acting on our behalf. The risks, contingencies and uncertainties associated with our forward-looking statements relate to, among other matters, the following:

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MARKET AND INDUSTRY DATA

        This prospectus includes market and industry data that we have developed from independent consultant reports, publicly available information, various industry publications, other published industry sources and our internal data and estimates. Our internal data, estimates and forecasts are based upon information obtained from trade and business organizations and other contacts in the markets in which we operate and our management's understanding of industry conditions.


USE OF PROCEEDS

        We estimate that the net proceeds to us from the sale of Class A common stock in this offering will be approximately $            , based on an offering price of $            per share, the midpoint of the range set forth on the cover of this prospectus, after deducting estimated underwriting discounts and commissions and estimated offering expenses.

        We intend to use approximately $            million of our net proceeds from this offering to fund a portion of our capital expenditures for 2010-2013 and the remainder for general corporate purposes.

        A $1.00 increase or decrease in the assumed initial public offering price of $            would increase or decrease net proceeds to us from this offering by approximately $             million after deducting estimated underwriting discounts and commissions and estimated offering expenses.


DIVIDEND POLICY

        We do not expect to declare or pay any cash or other dividends on our Class A common stock, as we intend to reinvest cash flow generated by operations in our business. Our debt agreements effectively limit our ability to pay dividends on our Class A common stock, and we may also enter into credit agreements or other arrangements in the future that prohibit or restrict our ability to declare or pay dividends on our Class A common stock. Class B common stock will not be entitled to any dividend payments.

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CAPITALIZATION

        The following table sets forth the consolidated capitalization of:

        You should read this table together with the information under "Unaudited Pro Forma Financial Information," "Selected Historical Financial and Operating Data," "Management's Discussion and Analysis of Financial Condition and Results of Operations," "The Reorganization and Our Holding Company Structure," "Description of Capital Stock" and in the consolidated financial statements included elsewhere in this prospectus and application of the proceeds therefrom.

 
  As of March 31, 2010  
 
  First Wind
Holdings,
LLC Actual
  First Wind
Holdings Inc.
Pro Forma
  First Wind
Holdings Inc.
Pro Forma As
Adjusted(2)
 
 
  (unaudited)
(in thousands, except share amounts)

 

Long-term debt, including debt with maturities less than one year(1)

  $ 494,168   $            $           
               

Members' capital/stockholders' equity:

                   
 

Members' capital

    840,850          
                   
 

Class A common stock, $0.001 par value, no shares authorized, issued and outstanding, actual;            shares authorized and            shares issued and outstanding, pro forma;            shares authorized and            shares issued and outstanding, pro forma as adjusted

                 
 

Class B common stock, $0.001 par value, no shares authorized, issued and outstanding, actual;             shares authorized and shares issued and outstanding pro forma;             shares authorized and            shares issued and outstanding, pro forma as adjusted

                 

Additional paid-in capital

                 

Accumulated deficit

    (191,658 )            

Noncontrolling interests in subsidiaries

    181,836              
               
 

Total members' capital/stockholders' equity

    831,028              
               

Total capitalization

  $ 1,325,196   $            $           
               

(1)
Approximately $103.7 million of our outstanding indebtedness had a maturity of less than one year as of March 31, 2010.

(2)
A $1.00 increase (decrease) in the assumed initial public offering price of $            per share would increase (decrease) pro forma as adjusted stockholders' equity by $             million, based on the assumptions set forth above. The pro forma as adjusted information set forth above is illustrative only and upon completion of this offering will be adjusted based on the actual offering price and other terms of this offering determined at pricing.

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DILUTION

        At March 31, 2010 after giving effect to the reorganization described under "The Reorganization and Our Holding Company Structure," the net tangible book value per share of our Class A common stock was $            . Net tangible book value per share is determined by dividing our tangible net worth (tangible assets less total liabilities) by the total number of outstanding shares of Class A common stock. After giving effect to the sale of shares in this offering at an assumed offering price of $            per share, the midpoint of the range set forth on the cover of this prospectus, after deducting estimated underwriting discounts and commissions and estimated offering expenses, and assuming all Series B Membership Interests that will be outstanding immediately after the reorganization are, together with an equal number of shares of our Class B common stock, exchanged for an equal number of shares of Class A common stock, our net tangible book value at March 31, 2010 would have been approximately $            per share. This represents an immediate dilution of $            per share to new investors purchasing Class A common stock in this offering, resulting from the difference between the offering price and the net tangible book value after this offering. The following table illustrates the per share dilution to new investors purchasing Class A common stock in this offering:

Assumed initial public offering price per share

      $        

Net tangible book value per share at March 31, 2010

  $            

Increase in net tangible book value per share attributable to new investors

       
         

As adjusted net tangible book value per share after this offering

       
         

Dilution per share to new investors

      $        
         

        The following table sets forth at March 31, 2010 after giving effect to the reorganization, the total number of shares of Class A common stock purchased from us, and the total consideration and average price per share paid by existing equity holders and by new investors purchasing Class A common stock in this offering, assuming all Series B Membership Interests that will be outstanding immediately after the completion of the reorganization are, together with an equal number of shares of Class B common stock, exchanged for an equal number of shares of Class A common stock, at an assumed initial public offering price of $            per share, the midpoint of the range set forth on the cover of this prospectus.

 
   
   
  Total
Consideration
   
 
 
  Shares Issued    
 
 
  Average
Consideration
Per Share
 
 
  Number   Percent   Amount   Percent  

Existing stockholders

                             
                       

New investors

                             
                       
 

Total

        100 %         100 %      
                       

        If the underwriters' over-allotment option is exercised in full, the number of shares held by existing            stockholders after this offering would decrease to             , or                %, of the total number of shares of Class A common stock outstanding immediately following this offering, and the number of shares held by new investors would increase to                or approximately            % of the total number of shares of Class A common stock outstanding immediately following this offering.

        A $1.00 increase (decrease) in the assumed initial public offering price of $            per share would increase (decrease) total consideration paid by new investors in this offering and by all investors by $             million, and would increase (decrease) the average price per share paid by new investors by $            .

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UNAUDITED PRO FORMA FINANCIAL INFORMATION

        The following unaudited consolidated pro forma statements of operations for the year ended December 31, 2009 and the three months ended March 31, 2010 and the unaudited pro forma consolidated balance sheet as of March 31, 2010 present our consolidated results of operations and financial position to give pro forma effect to the reorganization transactions described in "The Reorganization and Our Holding Company Structure" and the sale of shares in this offering (excluding shares issuable upon exercise of the underwriters' over-allotment option, if any) and the application of the net proceeds from this offering as if all such transactions had been completed as of January 1, 2009 with respect to the unaudited consolidated pro forma statement of operations data and as of March 31, 2010 with respect to the unaudited pro forma consolidated balance sheet data. The unaudited pro forma consolidated financial statements reflect pro forma adjustments that are described in the accompanying notes and are based on available information and certain assumptions we believe are reasonable, but are subject to change. We have made, in our opinion, all adjustments that are necessary to present fairly the pro forma financial data.

        The unaudited pro forma financial data are presented for informational purposes only and should not be considered indicative of actual results of operations that would have been achieved had the reorganization transactions and this offering been consummated on the dates indicated, and do not purport to be indicative of statements of financial condition or results of operations as of any future date or any future period.

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FIRST WIND HOLDINGS INC.
Unaudited Pro Forma Consolidated Balance Sheet
As of March 31, 2010
(in thousands, except share amounts)

 
  First Wind
Holdings, LLC
Historical
  Reorganization
Adjustments
  First Wind
Holdings Inc.(1)
Pro Forma
  Offering
Adjustments
  First Wind
Holdings Inc.(1)
Pro Forma as
Adjusted
 

Assets

                               

Current assets:

                               
 

Cash and cash equivalents

  $ 53,072   $     $     $ (4 ) $    
 

Restricted cash

    54,254                          
 

Accounts receivable

    5,898                          
 

Prepaid expenses and other current assets

    9,243                          
 

Derivative assets

    12,502                          
                       
   

Total current assets

    134,969                          

Property, plant and equipment, net

    879,426                          

Construction in progress

    436,491                          

Turbine deposits

    112,112                          

Long-term derivative assets

    48,024                          

Other non-current assets

    23,999     (2 )                  

Deferred financing costs

    18,918                          
                       
   

Total assets

  $ 1,653,939   $     $     $     $    
                       

Liabilities and Stockholders' Equity

                               

Current liabilities:

                               
 

Accrued capital expenditures

  $ 39,667   $     $     $     $    
 

Accounts payable and accrued expenses

    22,754                          
 

Derivative liabilities

    3,594                          
 

Deferred tax liability

          (3 )                  
 

Other current liabilities

          (3 )                  
 

Deferred revenue

    11,340                          
 

Current portion of long-term debt

    103,651                          
                       
   

Total current liabilities

    181,006                          

Long-term debt, net of current portion

    390,517                          

Long-term derivative liabilities

    10,240                          

Deferred income tax liability

    5,384                          

Deferred revenue

    214,203                          

Other liabilities

    11,725                          

Redeemable interest in subsidiary

                             

Asset retirement obligations

    9,836                          
                       
   

Total liabilities

    822,911                          

Commitments and contingencies

                               

Members' capital/stockholders' equity:

                               
 

First Wind Holding, LLC members' capital

    840,850     (2 )                  
 

Class A common stock, $0.001 par value, no shares authorized, issued and outstanding, actual;        shares authorized and shares issued and outstanding, as adjusted

          (2 )         (4 )      
 

Class B common stock, $0.001 par value, no shares authorized, issued and outstanding, actual;        shares authorized and shares issued and outstanding, as adjusted

          (3
(2
)
)
                 
 

Additional paid in-capital

          (2 )                  
 

Accumulated deficit

    (191,658 )                        
                       
   

Total First Wind Holdings members' capital/stockholders' equity

    649,192                          
                       
   

Noncontrolling interests in subsidiaries

    181,836                          
                       
   

Total members' capital/stockholders' equity

    831,028                          
                       
   

Total liabilities and members' capital/stockholders' equity

  $ 1,653,939   $     $     $     $    
                       

(1)
As a newly formed entity, First Wind Holdings Inc. will have no assets or results of operations until the completion of this offering.

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(2)
Represents adjustments to reflect noncontrolling interest resulting from the existing members' ownership interest of approximately      % of the Series B Membership Interests of First Wind Holdings, LLC. As described in "The Reorganization and Our Holding Company Structure," after this offering and the reorganization transactions that we are undertaking in connection therewith, our only material asset will be our ownership of approximately          % of the Membership Interests of First Wind Holdings, LLC and our only business will be to act as the sole managing member of First Wind Holdings, LLC. As such, we will operate and control all of its business and affairs and will consolidate its financial results into our financial statements. The ownership interests of the other members of First Wind Holdings, LLC will be accounted for as a noncontrolling interest in our consolidated financial statements after this offering. The exchange of shares of our Class B common stock (or Class A common stock, as the case may be) for membership units of First Wind Holdings, LLC as part of our reorganization will be accounted for as a transfer of carrying value in a recapitalization without consideration.

(3)
Future exchanges of Series B Membership Interests for shares of our Class A common stock are expected to increase the tax basis in the tangible and intangible assets of First Wind Holdings, LLC. The step-up in tax basis is initially depreciable and amortizable for tax purposes over a 15-year period. We will enter into a tax receivable agreement with certain holders of Series B Membership Interests after giving effect to the reorganization and certain future holders of Series B Membership Interests that will require us to pay such holders 85% of the amount of cash savings, if any, in U.S. federal, state and local income tax that we actually realize (or are deemed to realize in the case of an early termination payment by us, or a change in control, as discussed below) as a result of the increases in tax basis and of certain other tax benefits related to entering into the tax receivable agreement, including tax benefits attributable to payments under the tax receivable agreement. The adjustments assume that there are no material changes in the relevant tax law.

(4)
We expect to receive net proceeds from this offering of $             million based on an aggregate underwriting discount of $             million and estimated offering expenses of $             million. We intend to use approximately $            million of our net proceeds from this offering to fund a portion of our capital expenditures for 2010–2013 and the remainder for general corporate purposes.

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FIRST WIND HOLDINGS INC.
Unaudited Pro Forma Consolidated Statement of Operations
Year Ended December 31, 2009
(in thousands, except share and per share amounts)

 
  First Wind
Holdings, LLC
Historical
  Reorganization
Adjustments
  First Wind
Holdings Inc.(1)
Pro Forma
  Offering
Adjustments
  First Wind
Holdings Inc.(1)
Pro Forma as
Adjusted
 

Revenues:

                               
 

Revenues

  $ 47,136   $     $     $     $    
 

Risk management activities related to operating projects

    28,141                          
                       
   

Total revenues

    75,277                          
                       

Cost of revenues:

                               
 

Project operating expenses

    19,709                          
 

Depreciation and amortization of operating assets

    34,185                          
                       
   

Total cost of revenues

    53,894                          
                       
   

Gross income (loss)

    21,383                          
                       

Other operating expenses:

                               
 

Project development

    35,895                          
 

General and administrative

    39,192                          
 

Depreciation and amortization

    3,381                          
                               
   

Total other operating expenses

    78,468                          
                               
   

Loss from operations

    (57,085 )                        
                               

Risk management activities related to non-operating projects

                             

Other income (expense)(2)

    (1,915 )                        

Interest expense, net of capitalized interest

                             
                       

Loss before provision for income taxes

    (59,000 )                        
 

Provision for income taxes

    2,010                          
                       

Net loss

    (61,010 )                        
 

Less: net loss attributable to noncontrolling interests

    1,391       (3)                  
                       
 

Net loss attributable to members of First Wind Holdings, LLC(4)

  $ (59,619 ) $     $     $     $    
                       

Pro forma net loss per share (basic)(5)

  $ (0.09 )                        
                       

Shares used in computing pro forma net loss per share (basic)(5)(6)

    649,681,382                          
                       

(1)
As a newly formed entity, First Wind Holdings Inc. will have no assets or results of operations until the completion of this offering.

(2)
Interest on anticipated cash proceeds from this offering is excluded from the pro forma presentation. We expect to receive net proceeds from this offering of $             million based on an aggregate underwriting discount of $             million and estimated offering expenses of $             million. We intend to use approximately $             million of our net proceeds from this offering to fund a portion of our capital expenditures for 2010–2013 and the remainder for general corporate purposes. We expect that interest income on the net proceeds at current market rates would total approximately $             million on an annual basis.

(3)
As described in "The Reorganization and Our Holding Company Structure," following this offering, and the reorganization transactions that we are undertaking in connection therewith, our only material asset will be our ownership of approximately      % of the membership units of First Wind Holdings, LLC and our only business will be to act as the sole managing member of First Wind Holdings, LLC. As such, we will operate and control all of its business and affairs and will consolidate its financial results into our financial statements. The ownership interests of the other members of First Wind Holdings, LLC will be accounted for as a noncontrolling interest in our consolidated financial statements after this offering. Represents adjustments to reflect noncontrolling interest resulting from the existing members' ownership interest of approximately      % of the Series B Units of First Wind Holdings, LLC.

(4)
First Wind Holdings, LLC is currently taxed as a partnership for federal income tax purposes. Therefore, First Wind Holdings, LLC is not subject to entity-level federal income taxation, with the exception of certain subsidiaries that have elected to be treated as corporations under the Internal Revenue Code, and taxes with respect to income of First Wind

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(5)
Basic and diluted net income per share was computed by dividing the pro forma net income attributable to our Class A stockholders by the             shares of Class A common stock that we will issue and sell in this offering (assuming that the underwriters do not exercise their option to purchase an additional             shares of Class A common stock to cover over-allotments), plus            shares issued in connection with our initial capitalization, assuming that these             shares of Class A common stock were outstanding for the entirety of each of the historical periods presented on a pro forma basis. No pro forma effect was given to the future potential exchanges of the            Series B Membership Interests of our subsidiary, First Wind Holdings, LLC, together with an equal number of shares of our Class B common stock, that will be outstanding immediately after the completion of this offering and the reorganization transactions for the equal number of shares of our Class A common stock because the issuance of shares of Class A common stock upon these exchanges would not be dilutive.

A $1.00 increase (decrease) in the assumed initial public offering price of $            per share would increase (decrease) each of the pro forma as adjusted cash and cash equivalents and stockholders' equity by $             million, after deducting estimated underwriting discounts and commissions and estimated offering expenses. The pro forma as adjusted information discussed above is illustrative only and following completion of this offering will be adjusted based on the actual offering price and other terms of this offering determined at pricing.

(6)
The shares used in computing pro forma net loss per share include only the number of shares for which the proceeds are being reflected in the pro forma adjustments above. The table below summarizes the corresponding number of shares, assuming an offering price of $            , issued related to each pro forma adjustment:

 
  Number of Shares  

Pro forma adjustment(a)—noncontrolling interest of $

       

Total pro forma shares

       

(a)
See footnote (3).

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FIRST WIND HOLDINGS INC.
Unaudited Pro Forma Consolidated Statement of Operations
Three months Ended March 31, 2010
(in thousands, except share and per share amounts)

 
  First Wind
Holdings, LLC
Historical
  Reorganization
Adjustments
  First Wind
Holdings Inc.(1)
Pro Forma
  Offering
Adjustments
  First Wind
Holdings Inc.(1)
Pro Forma as
Adjusted
 

Revenues:

                               
 

Revenues

  $ 18,725   $     $     $     $    
 

Cash settlements of derivatives

    3,660                          
 

Fair value changes in derivatives

    14,432                          
                       
   

Total revenues

    36,817                          
                       

Cost of revenues:

                               
 

Project operating expenses

    11,959                          
 

Depreciation and amortization of operating assets

    12,270                          
                       
   

Total cost of revenues

    24,229                          
                       
   

Gross income (loss)

    12,588                          
                       

Other operating expenses:

                               
 

Project development

    8,960                          
 

General and administrative

    7,948                          
 

Depreciation and amortization

    1,140                          
                               
   

Total other operating expenses

    18,048                          
                               
   

Loss from operations

    (5,460 )                        
                               

Other expense(2)

    (1,625 )                        

Interest expense, net of capitalized interest

    (236 )                        
                       

Loss before provision for income taxes

    (7,321 )                        
 

Provision for income taxes

    3,374                          
                       

Net loss

    (10,695 )                        
 

Less: net loss attributable to noncontrolling interests

    10,265       (3)                  
                       
 

Net loss attributable to members of First Wind Holdings, LLC(4)

  $ (430 ) $     $     $     $    
                       

Pro forma net loss per share (basic)(5)

  $                          
                       

Shares used in computing pro forma net loss per share (basic)(5)(6)

    649,681,382                          
                       

(1)
As a newly formed entity, First Wind Holdings Inc. will have no assets or results of operations until the completion of this offering.

(2)
Interest on anticipated cash proceeds from this offering is excluded from the pro forma presentation. We expect to receive net proceeds from this offering of $             million based on an aggregate underwriting discount of $             million and estimated offering expenses of $             million. We intend to use approximately $             million of our net proceeds from this offering to fund a portion of our capital expenditures for 2010–2013 and the remainder for general corporate purposes. We expect that interest income on the net proceeds at current market rates would total approximately $             million on an annual basis.

(3)
As described in "The Reorganization and Our Holding Company Structure," following this offering, and the reorganization transactions that we are undertaking in connection therewith, our only material asset will be our ownership of approximately      % of the membership units of First Wind Holdings, LLC and our only business will be to act as the sole managing member of First Wind Holdings, LLC. As such, we will operate and control all of its business and affairs and will consolidate its financial results into our financial statements. The ownership interests of the other members of First Wind Holdings, LLC will be accounted for as a noncontrolling interest in our consolidated financial statements after this offering. Represents adjustments to reflect noncontrolling interest resulting from the existing members' ownership interest of approximately      % of the Series B Units of First Wind Holdings, LLC.

(4)
First Wind Holdings, LLC is currently taxed as a partnership for federal income tax purposes. Therefore, First Wind Holdings, LLC is not subject to entity-level federal income taxation, with the exception of certain subsidiaries that have elected to be treated as corporations under the Internal Revenue Code, and taxes with respect to income of First Wind Holdings, LLC are payable by First Wind Holdings, LLC's equity holders at rates applicable to them. Following this

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(5)
Basic and diluted net income per share was computed by dividing the pro forma net income attributable to our Class A stockholders by the             shares of Class A common stock that we will issue and sell in this offering (assuming that the underwriters do not exercise their option to purchase an additional             shares of Class A common stock to cover over-allotments), plus            shares issued in connection with our initial capitalization, assuming that these             shares of Class A common stock were outstanding for the entirety of each of the historical periods presented on a pro forma basis. No pro forma effect was given to the future potential exchanges of the            Series B Membership Interests of our subsidiary, First Wind Holdings, LLC, together with an equal number of shares of our Class B common stock, that will be outstanding immediately after the completion of this offering and the reorganization transactions for the equal number of shares of our Class A common stock because the issuance of shares of Class A common stock upon these exchanges would not be dilutive.

A $1.00 increase (decrease) in the assumed initial public offering price of $            per share would increase (decrease) each of the pro forma as adjusted cash and cash equivalents and stockholders' equity by $             million, after deducting estimated underwriting discounts and commissions and estimated offering expenses. The pro forma as adjusted information discussed above is illustrative only and following completion of this offering will be adjusted based on the actual offering price and other terms of this offering determined at pricing.

(6)
The shares used in computing pro forma net loss per share include only the number of shares for which the proceeds are being reflected in the pro forma adjustments above. The table below summarizes the corresponding number of shares, assuming an offering price of $            , issued related to each pro forma adjustment:

 
  Number of Shares  

Pro forma adjustment(a)—noncontrolling interest of $

       

Total pro forma shares

       

(a)
See footnote (3).

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SELECTED HISTORICAL FINANCIAL AND OPERATING DATA

        You should read the following selected consolidated financial data together with "Management's Discussion and Analysis of Financial Condition and Results of Operations" and our consolidated financial statements and notes thereto appearing elsewhere in this prospectus. The selected consolidated statement of operations data for the years ended December 31, 2007, 2008 and 2009 and the selected consolidated balance sheet data as of December 31, 2008 and 2009 are derived from our audited consolidated financial statements included elsewhere in this prospectus. The selected consolidated statement of operations data for the three months ended March 31, 2009 and 2010 and the selected consolidated balance sheet data as of March 31, 2010 are derived from our unaudited interim consolidated financial statements included elsewhere in this prospectus. The unaudited interim period financial information, in the opinion of management, includes all adjustments, which are normal and recurring in nature, necessary for the fair presentation of the periods shown. The selected consolidated statement of operations data for the years ended December 31, 2005 and 2006 and the selected consolidated balance sheet data as of December 31, 2005, 2006 and 2007 are derived from our audited consolidated financial statements not included in this prospectus. Our historical results may not be indicative of the operating results to be expected in any future periods.

 
  Year Ended December 31,   Three Months Ended March 31,  
 
  2005   2006   2007   2008   2009   2009   2010  
 
  (in thousands, except unit data and operating data)
   
   
 

Statement of Operations Data:

                                           

Revenues:

                                           
 

Revenues

  $ 72   $ 7,063   $ 23,817   $ 28,790   $ 47,136   $ 11,381   $ 18,725  
 

Cash settlements of derivatives

          (922 )   (1,670 )   (4,072 )   10,966     6,140     3,660  
 

Fair value changes in derivatives

        9,770     (9,801 )   14,760     17,175     20,293     14,432  
                               
   

Total revenues

    72     15,911     12,346     39,478     75,277     37,814     36,817  

Cost of revenues:

                                           
 

Project operating expenses

        1,339     9,175     10,613     19,709     3,571     11,959  
 

Depreciation and amortization of operating assets

        1,945     8,800     10,611     34,185     7,823     12,270  
                               
   

Total cost of revenues

        3,284     17,975     21,224     53,894     11,394     24,229  
                               
   

Gross income (loss)

    72     12,627     (5,629 )   18,254     21,383     26,420     12,588  

Other operating expenses

                                           
 

Project development

    6,706     16,028     25,861     35,855     35,895     13,314     8,960  
 

General and administrative

    1,557     6,598     13,308     44,358     39,192     11,047     7,948  
 

Depreciation and amortization

    158     294     1,215     2,325     3,381     672     1,140  
                               
   

Total other operating expense

    8,421     22,920     40,384     82,538     78,468     25,033     18,048  
                               
   

Income (loss) from operations

    (8,349 )   (10,293 )   (46,013 )   (64,284 )   (57,085 )   1,387     (5,460 )
 

Risk management activities related to non-operating projects

    (6,784 )   (13,131 )   (21,141 )   42,138              
 

Other income (expense)

    19     458     1,078     827     (1,915 )   (1,495 )   (1,625 )
 

Interest expense, net of capitalized interest

    (2,803 )   (3,049 )   (9,820 )   (4,846 )       (3,365 )   (236 )
                               

Loss before provision for income taxes

    (17,917 )   (26,015 )   (75,896 )   (26,165 )   (59,000 )   (3,473 )   (7,321 )

Provision for income taxes

                    2,010         3,374  
                               

Net Loss

    (17,917 )   (26,015 )   (75,896 )   (26,165 )   (61,010 )   (3,473 )   (10,695 )
 

Less: net loss attributable to noncontrolling interests

            7,825     11,107     1,391     2,241     10,265  
                               
   

Net loss attributable to members of First Wind Holdings, LLC before cumulative effect of adoption of FIN 46R

    (17,917 )   (26,015 )   (68,071 )   (15,058 )   (59,619 )   (1,232 )   (430 )
 

Cumulative effect of adoption of FIN 46R(1)

    (703 )                        
                               
   

Net loss attributable to members of First Wind Holdings, LLC

  $ (18,620 ) $ (26,015 ) $ (68,071 ) $ (15,058 ) $ (59,619 ) $ (1,232 ) $ (430 )
                               

Net loss attributable per common unit(2) (basic and diluted)

  $ (0.38 ) $ (0.24 ) $ (0.36 ) $ (0.05 ) $ (0.09 ) $   $  
                               

Weighted average number of common units (basic and diluted)

    49,095,347     107,712,405     189,161,855     278,288,518     649,681,382     649,681,382     649,681,382  
                               

Other Financial Data:

                                           
 

Net cash provided by (used in):

                                           
   

Operating activities(3)

  $ (3,195 ) $ (31,799 ) $ (26,370 ) $ (41,589 ) $ (54,478 ) $ (17,653 ) $ 227,756  
   

Investing activities

    (25,286 )   (311,281 )   (334,007 )   (477,268 )   (253,533 )   (65,819 )   (33,957 )
   

Financing activities

    30,244     346,500     358,107     556,059     298,749     103,482     (172,194 )

Selected Operating Data:

                                           

Rated capacity (end of period)

        30 MW     92 MW     92 MW     478 MW     274 MW     504 MW  

Megawatt hours generated

        56,629 MW     239,940 MW     275,024 MW     656,365 MW     165,929 MW     280,926 MW  

Average realized energy price ($/MWh)(4)

      $ 108   $ 93   $ 85     79   $ 80   $ 78  

Project EBITDA(5)

      $ 4,802   $ 15,433   $ 16,052     36,306     10,488     12,361  

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  As of December 31,   As of
March 31,
 
 
  2005   2006   2007   2008   2009   2010  
 
  (in thousands, except unit data and operating data)
   
 

Balance Sheet Data:

                                     
 

Property, plant and equipment, net

  $ 484   $ 81,452   $ 192,076   $ 187,316   $ 950,610   $ 879,426  
 

Construction in progress

    29,075     85,153     346,320     571,586     472,526     436,491  
 

Total assets

    37,998     372,500     770,666     1,311,591     1,698,154     1,653,939  
 

Long-term debt, including debt with maturities less than one year

    35,195     257,884     465,449     532,441     632,046     494,168  
 

Members' capital (deficit)

    (24,671 )   88,519     147,876     653,092     849,373     831,028  

(1)
We adopted FASB Interpretation No. 46(R), Consolidation of Variable Interest Entities, an interpretation of FIN 46(R) effective December 31, 2006, and as a result of being the primary beneficiary of certain VIEs, were required to consolidate them in accordance with GAAP. FIN 46(R) defines a VIE as an entity in which the equity investors do not have the characteristics of a controlling financial interest or do not have sufficient equity at risk for the entity to finance its activities without additional subordinated financial support from other parties. A VIE must be consolidated only by its primary beneficiary, which is defined as the party who, along with its affiliates and agents, absorbs a majority of the VIE's expected losses or receives a majority of the expected residual returns as a result of holding variable interests.

(2)
The basic net loss attributable per common unit for each of the five year periods ended December 31, 2009 and for the three month periods ended March 31, 2009 and 2010 has been presented for informational and historical purposes only. After completion of this offering, as a result of the reorganization events that have taken place or that will take place immediately prior to completion of the offering as described in "The Reorganization and Our Holding Company Structure," the shares used in computing net earnings or loss per share will bear no relationship to these historical common units.

(3)
Operating cash flows for the three months ended March 31, 2010 include a prepayment for energy for our Milford I project of approximately $232 million.

(4)
Average realized energy price per MWh of energy generated is a metric that allows us to compare revenues from period to period, or on a project by project basis, regardless of whether the revenues are generated under a PPA, from sales at market prices with a financial swap, from sales at market prices or a combination of the three. Although average realized energy price is based, in part, on revenues recognized under accounting principles generally accepted in the United States (GAAP), this metric does not represent revenue per unit of production on a GAAP basis. We adjust GAAP revenues used to compute this metric in several respects:

Under GAAP, recognition of revenues from the sale of New England RECs is delayed due to regulations that limit their transfer to the buyer to quarterly trading windows that open two quarters subsequent to generation. To match New England REC revenue to the period in which the related power was generated, in calculating this metric, we add New England REC revenues attributable to generation during a period but not yet recognized under GAAP, and subtract New England REC revenue recognized under GAAP in the period but generated in a prior period.

In addition, in order to focus this metric on realized energy prices, we exclude the effects of mark-to-market adjustments on financial swaps and certain transmission costs incurred to secure RECs.

Average realized energy price changes over time due to several factors. Historically, the most significant factor has been the growth of our business and the corresponding change in pricing mix. Each project has a different pricing profile, including varying levels of hedging in relation to electricity generation, and in certain cases, short periods of unhedged exposure to market price fluctuations as hedging agreements are put in place.

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  Year Ended December 31,   Three Months
Ended
March 31,
 
 
  2007   2008   2009   2009   2010  
 
  (in thousands)
   
   
 

Numerator

                               
 

Total revenue

  $ 12,346   $ 39,478   $ 75,277   $ 37,814   $ 36,817  
 

Add (subtract):

                               
   

New England REC timing(a)

    2,461     1,947     2,060     685     1,935  
   

Transmission costs

    (2,268 )   (3,316 )   (4,413 )   (867 )   (2,442 )
   

Mark-to-market adjustments(b)

    9,801     (14,760 )   (21,322 )   (24,440 )   (14,432 )
                       

  $ 22,340   $ 23,349   $ 51,602   $ 13,192   $ 21,878  

Denominator

                               
   

Total energy production (MWh)

    239,940     275,024     656,365     165,929     280,926  

Average realized energy price

                               
   

(numerator/denominator) ($/MWh)

    $93     $85     $79     $80     $78  

 
  Year Ended December 31,   Three Months Ended
March 31,
 
 
  2007   2008   2009   2009   2010  
 
  (dollars in thousands)
   
   
 

New England RECs

                               
 

Included in revenues

 
$

(2,364

)

$

(5,274

)

$

(9,403

)

$

(2,391

)

$

(3,993

)
 

Generated during the period

    4,825     7,221     11,463     3,076     5,928  
                       

  $ 2,461   $ 1,947   $ 2,060   $ 685   $ 1,935  
                       
(5)
We evaluate the performance of our operating projects on the basis of their Project EBITDA, which is a non-GAAP financial measure. We use Project EBITDA to assess the performance of our operating projects because we believe it is a measure that allows us to: (i) more accurately evaluate the operating performance of our projects based on the energy generated during each period (through the exclusion of mark-to-market adjustments and the effects of New England REC timing, for which the GAAP accounting treatment does not correspond to the energy generated during the period) and (ii) assess the ability of our projects to support debt and/or tax equity financing (through the exclusion of depreciation and amortization that is not indicative of capital costs that would be expected over the term of the financing and general and administrative expenses that are not incurred at the project level). Our ability to raise debt and/or tax equity financing for our projects is a key requirement of our development plan as described in "—Factors Affecting Our Results of Operations, Financial Condition and Cash Flows—Financing Requirements." We believe it is important for investors to understand the factors that we focus on in managing the business, and therefore we believe Project EBITDA is useful for investors to understand. In addition, as long as investors consider Project EBITDA in combination with the most directly comparable GAAP measure, gross income (loss), we believe it is useful for investors to have information about our operating performance on a period-by-period basis, without giving effect to GAAP requirements that require the recognition of income or expense that does not correspond to actual energy production in a given period, and we believe it is useful for investors to consider a measure that does not include project-related depreciation and amortization. Because lenders and providers of tax equity financing frequently disregard the non-cash charges and GAAP timing differences noted above when determining the financeability of a project, we believe that presenting information in this manner can help give investors an understanding of our ability to secure financing for our projects. Project EBITDA can be reconciled to gross income (loss),

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which we believe to be the most directly comparable financial measure calculated and presented in accordance with GAAP, as follows (in thousands):

 
  Year Ended December 31,   Three Months
Ended
March 31,
 
 
  2007   2008   2009   2009   2010  

Gross income (loss)

  $ (5,629 ) $ 18,254   $ 21,383   $ 26,420   $ 12,588  
 

Add (subtract):

                               
     

Depreciation and amortization of operating assets

    8,800     10,611     34,185     7,823     12,270  
     

New England REC timing

    2,461     1,947     2,060     685     1,935  
     

Mark-to-market adjustments(a)

    9,801     (14,760 )   (21,322 )   (24,440 )   (14,432 )
                       
   

Project EBITDA

  $ 15,433   $ 16,052   $ 36,306   $ 10,488   $ 12,361  
                       

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MANAGEMENT'S DISCUSSION AND ANALYSIS OF
FINANCIAL CONDITION AND RESULTS OF OPERATIONS

        The historical financial data discussed below reflect the historical results of operations and financial condition of First Wind Holdings, LLC and do not give effect to our reorganization. See "The Reorganization and Our Holding Company Structure" and "Unaudited Pro Forma Financial Information" for a description of our reorganization and its effect on our historical results of operations. Our consolidated financial statements and the accompanying notes beginning on page F-1 contain additional information that you should refer to when considering investing in our Class A common stock. Statements in this discussion may be forward-looking, and these forward-looking statements involve risks and uncertainties. See "Risk Factors" and "Cautionary Statement Regarding Forward-Looking Statements."

Overview

        We are an independent wind energy company focused solely on the development, financing, construction, ownership and operation of utility-scale wind energy projects in the United States. Our projects are located in the Northeastern and Western regions of the continental United States and in Hawaii. We have focused on these markets because we believe they provide the potential for future growth and investment returns at the higher end of the range available for wind projects. These markets have relatively high electricity prices, a shortage of renewable energy and sites with good wind resources that can be built in a cost-effective manner. Moreover, we have focused our efforts on projects and regions with significant expansion opportunities, often enabled by transmission solutions that we have developed and built.

        Wind energy project returns depend mainly on the following factors:

        Our strategy considers all of these factors in combination and focuses on margins, returns on invested capital and value creation as opposed solely to project size. Some of our projects, while having high construction costs, still offer attractive returns because of favorable wind resources or energy prices. Additionally, in many cases, smaller, more profitable projects can create as much value as do larger, lower-returning projects. We assess the profitability of each project by evaluating its net present value. We also evaluate a project on the basis of its Project EBITDA, as described under "—How We Measure Our Performance," including the ratio of Project EBITDA to project development and construction costs.

Factors Affecting Our Results of Operations, Financial Condition and Cash Flows

        Since January 1, 2006, we have significantly expanded our installed base of projects and our project development pipeline, and with them, our development capabilities and our headcount. Our rapid growth makes it difficult to compare consolidated financial results from period to period. As of

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December 31, 2009, we operated six projects with combined rated capacity of 478 MW, and we owned two generator leads with transmission capacity of approximately 1,200 MW. As of March 31, 2010, we operated seven projects with combined rated capacity of 504 MW. In contrast, as of December 31, 2008 and 2007 we operated three projects with combined rated capacity of 92 MW. As of December 31, 2009, we had approximately 200 employees in 10 offices in our markets, compared with 170 employees at December 31, 2008 and 85 employees at December 31, 2007.

        As our business has grown, we have increased our expenditures on general and administrative functions necessary to support this growth. We believe that, apart from additional costs expected to be incurred as a public company, we have achieved sufficient general and administrative capabilities to support our future growth without requiring significant increases in expenses related to overhead.

        Our results of operations have varied significantly due to variations in our project development activities, the timing of our projects, volatility in commodity prices that affect the fair value of our financial hedges and the overall increased cost of expanding our business. Additionally, we have experienced variability in 2008 and 2009 from expensing previously-capitalized development costs for projects that were discontinued after reaching the Tier 1 development stage. These write-offs in 2008 and 2009 amounted to $6.6 million in the aggregate, or approximately 9% of our development expenses during this period. Although we believe our current process for determining whether to promote projects to Tier 1 mitigates this risk, we could experience similar write-offs in the future. See "Business—How We Classify Our Projects."

        Wind energy project development and construction are capital intensive. In addition to the cost of turbines, discussed below, we also incur material costs and expenses for land acquisition, feasibility studies, construction and other development costs. As a result, our ability to access capital markets efficiently and effectively is crucial to our growth strategy. The recent worldwide financial and credit crisis has reduced liquidity and the availability of credit. The difficult market conditions that began in the fall of 2008 have persisted. However, since the beginning of 2009, we have refinanced, raised or received approximately $2.0 billion for our company and projects in 17 refinancing and new capital-raising activities and customer prepayments. These activities included project debt financings, tax equity financings, intermediate holding company financings, government grants, Sponsor equity contributions and customer prepayments. We expect to fund the development of our projects with a combination of cash flows from operations, debt financings, tax equity financings, government grants and capital markets transactions such as this offering. See "Business—Project Financing."

        Among the more significant factors driving growth in our business are state-mandated RPS and in some cases, municipal level RPS. An RPS is a program mandating that a specified percentage of electricity sales in a state or municipality come from renewable energy, including wind energy. Currently, 29 states and the District of Columbia have implemented RPS requirements, more than double the number of states with RPS requirements in 2003. For example, in the Northeast and California, two of our target markets, there are RPS targets of between 15% and 40% by 2013 to 2020 and 33% by 2020, respectively. In June 2009, Hawaii, the third region where we operate and where we have the largest utility-scale wind energy project in the state, increased its RPS target to 40% by 2030. See "Industry." To the extent states continue to strengthen their RPS requirements, our opportunities for growth will continue to increase.

        The market prices of electricity and RECs materially affect the economic feasibility of our development projects and our results of operations. In the past 12 months, the price of electricity in the

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Northeast and West has fluctuated significantly, based in part on the costs of fossil fuels. There is no clear trend in prices for electricity or RECs in our markets. To limit the impact of market price variability on our revenues, we enter into PPAs and financial hedges covering the estimated revenue stream from a significant portion of the electricity we produce. We also seek to maximize the value of the RECs we generate by selling forward under long-term contracts the amount of RECs we expect to produce. We believe that stabilizing our revenues in this manner benefits us, our lenders and tax equity investors and enhances our ability to obtain long-term, non-recourse financing. We have PPAs or hedges on all seven of our operating projects and we expect to have PPAs or hedges on all of our 2010 projects. Approximately 85% of estimated revenues from our current operating projects are hedged through 2011. We plan to hedge approximately 90% of the estimated revenues for 2011 for the six projects we plan to have under construction in 2010.

        We believe the widespread support for renewable energy demonstrated by state RPS programs has improved our ability to negotiate and enter into long-term PPAs with utilities. We expect an increasing percentage of our electricity sales to be made pursuant to long-term PPAs. For example, Milford I, which commenced commercial operations in November 2009, has a PPA with SCPPA to supply 20 years of power to the cities of Los Angeles, Burbank and Pasadena. In connection with our Sheffield project, which is in our 2010 project construction portfolio, we have fully negotiated and received approval on long-term PPAs with three Vermont utilities: Vermont Electric Cooperative, Inc., City of Burlington Electric Department and Washington Electric Cooperative. For our Stetson II project that recently began operations, we have a long-term PPA with Harvard University to sell half of the electricity and RECs generated by the project. In addition, we expect to sell 100% of our energy and capacity from our Rollins project, which is also part of our 2010 project construction portfolio, to two utilities in Maine under 20-year PPAs. See "Business—Our Portfolio of Wind Energy Projects." In some instances we commit to sell minimum levels of generation. If the project generates less than the committed volumes, we may be required to either buy the shortfall of electricity on the open market or make payments of liquidated damages.

        When we enter into financial hedges and contracts for forward sales of RECs, we base the contracted amount on estimates we believe with a high degree of certainty that we can produce; however, actual amounts may be materially different from our estimates for a variety of reasons, including variable wind conditions and turbine performance. In the event a project does not generate the amount of electricity covered by a related financial hedge, we could incur significant losses under the hedge if electricity prices were to rise substantially above the fixed prices provided for in the hedge. A shortfall in the production of RECs could require us to purchase RECs at current market prices for delivery under a forward sales contract, and the market price may be higher than the contracted price. Additionally, our hedges may result in significant volatility in our quarterly and annual financial results as we are required to mark them to market through earnings on a periodic basis.

        The majority of the total cost of a wind energy project is attributable to turbine purchases, so turbine purchases have been and will continue to be our principal capital expenditure. As a result, the price trend of turbines has a direct impact on our results of operations and the method of financing our turbines has a direct impact on our cash flows and liquidity.

        Historically we have needed to secure turbine orders early in the project-development lifecycle. Turbine suppliers generally required up-front payments upon execution of a turbine supply agreement with significant progress payments well in advance of turbine delivery. We used turbine supply loans to finance approximately 70% to 80% of these progress payments. This financing method was prevalent in part because in recent years demand for turbines often exceeded supply, a factor that also resulted in the price of turbines generally increasing between 2006 and 2008.

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        However, an expanding turbine supply chain, coupled with the global economic downturn, has mitigated this trend, resulting in an oversupply of turbines globally. This oversupply led to a significant downward trend in prices for turbines beginning in 2009. We believe that as long as these market conditions persist, we will not need to dedicate long-term capital commitments to turbine purchases or make milestone payments far in advance of anticipated delivery.

        We have taken steps to benefit from the weakness in the turbine industry. For example, in 2009 we amended our agreements with Clipper to give us the right, but not the obligation, to buy turbines from Clipper for up to 633 MW of deliveries between 2011 and 2015, subject to the forfeiture of up to $89.5 million in deposits and progress payments that we have made and are scheduled to make to Clipper, if we decide not to buy any additional turbines from them. We have no firm turbine commitments for delivery after 2010 and as a result we believe we have the opportunity to benefit from the improved pricing and terms currently available for turbine purchases for our 2011 projects and beyond.

        We utilize federal government programs supporting renewable energy, which enhance the economic feasibility of developing our projects. The key federal programs include the ITC, grants and loan guarantees under the ARRA, the PTC and accelerated depreciation of renewable energy property. Under the ARRA, project owners can receive of a cash grant in lieu of the ITC paid by the U.S. Treasury representing 30% of the ITC-eligible costs of building wind energy producing assets. In September 2009, our Cohocton and Stetson I projects were among the first recipients of such cash grants, receiving approximately $115 million. Our Milford I project received approximately $120 million of such grants in March 2010. In addition to cash grants, Sections 1703 and 1705 of the ARRA establish loan guarantee programs administered by the U.S. Department of Energy. These programs call for over $40 billion of federal loan guarantees to be allocated for innovative technology authorized under the Energy Policy Act of 2005 and approximately $15 billion to be made available for commercially proven technology. In March 2010, we received a conditional commitment from the Department of Energy for a $117 million loan guarantee to help finance construction of our Kahuku project. We are currently working to finalize this award. We have applied for a cash grant for our Stetson II project and plan to apply for cash grants for the other projects we begin to construct in 2010. We may also apply for additional loan guarantees for some of our projects.

        Historically, the PTC has been subject to extension on an annual basis, resulting in uncertainty that made it difficult to successfully execute qualifying development activities. However, the ARRA extended the PTC through 2012 for wind projects, reducing uncertainty about whether a wind project would qualify for the PTC since this determination cannot be made until the project is placed in service. The tax equity financing market has allowed us to monetize certain of these tax benefits that would otherwise be deferred until such time as we have taxable income. Changes in or elimination of these policies could render certain of the projects in our development portfolio uneconomic, increase our financing costs or otherwise adversely affect our financing efforts, increase our equity requirements and adversely affect our growth.

        The profitability of a wind energy project is directly correlated with wind conditions at the project site. In addition to annual variations, each of our projects experiences unique daily and seasonal variations in its wind resources, which will in turn affect the revenue profile of that project. For example, our projects in the Northeast tend to be sited in winter-peaking, storm-driven wind resources where a majority of the electricity (and therefore REC production) occurs from October through March. In Utah, the wind resource is more often summer peaking and driven by thermal conditions that result from heat generated by sunlight. In Hawaii, we experience trade winds throughout the year.

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        These daily and seasonal variations are carefully studied by our meteorological team to develop an annual output profile that reflects seasonal variations in cash flow that can be expected from individual projects. Our finance and commodities teams use these projections to plan and structure our hedges and financings to account for seasonal variation. Our meteorological teams are able to draw on data for nearly 90% of our project pipeline, and use this data to prepare computer models to estimate potential wind levels. For the six projects we expect to place under construction in 2010 and Stetson II, we have an average of nearly seven years of wind data collected from 22 meteorological towers. For our Tier 1 development projects as of December 31, 2009, 100% of this data is for three or more years, while for Tier 1 and Tier 2 projects on a combined basis, 65% of this data is for one or more years and 57% is for three or more years.

        In regions with liquid power markets, the price of electricity may vary by season, depending on weather conditions that often affect system load conditions, as in the case of extreme heat or cold leading to increased use of heating, ventilation and air conditioning systems. We are able to mitigate some of the seasonal variation in pricing by hedging a portion of our output. See "—Power Purchase Agreements and Financial Hedging."

        We believe that our general and administrative expenses will increase in connection with the completion of this offering. This increase will consist of legal and accounting fees and additional expenses associated with complying with the Sarbanes-Oxley Act of 2002 and other regulations affecting publicly traded companies. We anticipate that our ongoing general and administrative expenses will also increase as a result of being a publicly traded company, in part due to the cost of filing annual and quarterly reports with the SEC, investor relations, directors' fees, directors' and officers' insurance and registrar and transfer agent fees. Our consolidated financial statements after completion of this offering will reflect the impact of these increased expenses and affect the comparability of our financial statements with periods prior to completion of this offering.

        First Wind Holdings Inc. was formed for the purpose of this offering and has only engaged in activities in contemplation of this offering. Upon completion of the offering, all of our business will continue to be conducted through First Wind Holdings, LLC, which is the holding company that has conducted all of our business to date. First Wind Holding Inc. will be a holding company, whose principal asset will be its managing member interest in First Wind Holdings, LLC. All of the equity of First Wind Holdings, LLC outstanding prior to the reorganization that will not be owned by First Wind Holdings Inc. will be either exchanged for our Class A common stock or Series B Membership Interests of First Wind Holdings, LLC and an equal number of shares of our Class B common stock. Unvested Series B Units and vested Series B Units that do not then have current value will expire. For more information regarding our reorganization and holding company structure, see "The Reorganization and Our Holding Company Structure."

        We expect that future exchanges of Series B Membership Interests, together with an equal number of shares of Class B common stock, for shares of our Class A common stock will result in increases in the tax basis in the tangible assets of First Wind Holdings, LLC. We expect that these increases in tax basis, which would not have been available but for our new holding company structure, will reduce the amount of tax that we would otherwise be required to pay in the future. We will be required to pay a portion of the cash savings we actually realize from such increase (or are deemed to realize in the case of an early termination payment by us, or a change in law, as discussed below) to certain holders of the Series B Membership Interests, which include our Sponsors and certain of our employees and current investors, pursuant to a tax receivable agreement. See "The Reorganization and Our Holding Company Structure—Tax Receivable Agreement."

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        First Wind Holdings, LLC is currently taxed as a partnership for federal income tax purposes. Therefore, with the exception of certain subsidiaries that have elected to be taxed as corporations, we have not been subject to entity-level federal or state income taxation, and the members of First Wind Holdings, LLC pay taxes with respect to their allocable share of our taxable income. Following the reorganization and this offering, all of the earnings of First Wind Holdings Inc. will be subject to federal income taxation.

Components of Revenues and Expenses

        Our total revenues are composed of energy sales, capacity sales, sales of RECs and the effects of related hedging activities, including both the cash settlement of derivatives and fair value adjustments to mark these derivatives to market at the end of each period. When we analyze the revenues of our operating projects and the related performance of our hedging strategies, we use a metric we refer to as "average realized energy price" per MWh of energy generated.

        We typically sell the power generated by our projects (sometimes bundled with RECs) either pursuant to PPAs with local utilities or power companies or directly into the local power grid at market prices. Our PPAs have initial terms ranging from five to 20 years with fixed prices, market prices or a combination of fixed and market prices. We may also seek to hedge a significant portion of the market component of our power sales revenue with financial swaps. See "—Risk Management Activities Related to Operating Projects."

        The RECs associated with renewable electricity generation can be "unbundled" and sold as a separate attribute. In some states, we sell RECs to entities that must either purchase or generate certain quantities of RECs to comply with state RPS programs. Currently, 25 states and the District of Columbia have adopted RPS programs that operate in tandem with a credit trading system in which generators sell RECs for renewable power they generate.

        Capacity payments are made to energy generators, including those with wind energy projects, as an incentive for them to promote development and continued operational capacity sufficient to meet the customer's anticipated requirements. Capacity payments are payments made to energy generators based on their available capacity, rather than the energy generated.

        We enter into derivative contracts to hedge future electricity prices to mitigate a portion of the risk of market price fluctuations we will encounter by selling power at variable or market prices. See "—Quantitative and Qualitative Disclosure about Market Risk—Commodity Price Risk."

        Average realized energy price per MWh of energy generated is a metric that allows us to compare revenues from period to period, or on a project by project basis, regardless of whether the revenues are generated under a PPA, from sales at market prices with a financial swap, from sales at market prices or a combination of the three. Although average realized energy price is based, in part, on revenues recognized under accounting principles generally accepted in the United States (GAAP), this metric

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does not represent revenue per unit of production on a GAAP basis. We adjust GAAP revenues used to compute this metric in several respects:

        Average realized energy price changes over time due to several factors. Historically, the most significant factor has been the growth of our business and the corresponding change in pricing mix. Each project has a different pricing profile, including varying levels of hedging in relation to electricity generation, and in certain cases, short periods of unhedged exposure to market price fluctuations as hedging agreements are put in place.

        The table below shows the calculation of our average realized energy price for the periods presented:

 
  Year Ended December 31,   Three Months Ended
March 31,
 
 
  2007   2008   2009   2009   2010  

Numerator (in thousands)

                               
 

Total revenue

  $ 12,346   $ 39,478   $ 75,277   $ 37,814   $ 36,817  
 

Add (subtract):

                               
   

New England REC timing(1)

    2,461     1,947     2,060     685     1,935  
   

Transmission costs

    (2,268 )   (3,316 )   (4,413 )   (867 )   (2,442 )
   

Mark-to-market adjustments(2)

    9,801     (14,760 )   (21,322 )   (24,440 )   (14,432 )
                       

  $ 22,340   $ 23,349   $ 51,602   $ 13,192   $ 21,878  

Denominator (MWh)

                               
   

Total energy production

    239,940     275,024     656,365     165,929     280,926  

Average realized energy price ($/MWh)

                               
   

(numerator/denominator)

    $93     $85     $79     $80     $78  

(1)
New England REC timing represents the difference between: (i) New England RECs generated in earlier periods that qualified for GAAP revenue recognition in the applicable period and (ii) New England RECs generated in the applicable period and sold to a creditworthy counterparty under a firm sales contract where revenue is deferred under GAAP until the applicable quarterly trading window occurs. The gross amounts of such New England RECs are as follows:

 
  Year Ended December 31,   Three Months
Ended March 31,
 
 
  2007   2008   2009   2009   2010  
 
  (in thousands)
 

New England RECs

                               

Included in revenues

 
$

(2,364

)

$

(5,274

)

$

(9,403

)

$

(2,391

)

$

(3,993

)

Generated during the period

    4,825     7,221     11,463     3,076     5,928  
                       

  $ 2,461   $ 1,947   $ 2,060   $ 685   $ 1,935  
                       
(2)
The mark-to-market adjustments for the 2009 periods include the effect of a financial hedge modification fee of $4,147 in addition to market adjustments of $17,175 and $20,293 for the year and the three months, respectively.

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        Cost of revenues includes project operating expenses and depreciation and amortization of operating assets.

        Project operating expenses consist of such costs as contracted operations and maintenance fees, turbine and related equipment warranty fees, land lease payments, insurance, professional fees, operating personnel salaries and permit compliance costs.

        Depreciation and amortization of operating assets are included in cost of revenues once a project has begun commercial operations. Prior to that time, depreciation and amortization associated with the related property, plant and equipment is included in other operating expenses.

        Other operating expenses include project development expenses, general and administrative expenses and depreciation and amortization.

        We allocate development expenses by project. Project development expenses consist of initial permitting, land rights, preliminary engineering work, analysis of project wind resource, analysis of project economics and legal work. We expense all project development costs until we deem a project probable of being technically, commercially and financially viable. Once this determination has been made, we classify the project as being in the Tier 1 stage of development, at which point we begin capitalizing project development costs. After a project has been moved to Tier 1, if we subsequently determine that the project is not technically, commercially and financially viable, we write off the capitalized development costs. See "Business—How We Classify Our Projects."

        Prior to a project's reaching commercial operations, we record fair value changes and cash settlements related to commodity derivatives as risk management activities related to non-operating projects. Once a project reaches commercial operations, we record these fair value changes and cash settlements under revenues, as risk management activities related to operating projects.

How We Measure Our Performance

        Senior management's performance is evaluated based on annual operating and financial targets for our operating and under-construction portfolio as well as the extent to which we are prudently growing and managing our development pipeline using GAAP financial measures. We also evaluate the performance of our operating projects on the basis of Project EBITDA, which is a non-GAAP financial measure. We use Project EBITDA to assess the performance of our operating projects because we believe it is a measure that allows us to: (i) more accurately evaluate the operating performance of our projects based on the energy generated during each period (through the exclusion of mark-to-market adjustments and the effects of New England REC timing, for which the GAAP accounting treatment does not correspond to the energy generated during the period), (ii) assess the ability of our projects to support debt and/or tax equity financing (through the exclusion of depreciation and amortization that is not indicative of capital costs that would be expected over the term of the financing and general and administrative expenses that are not incurred at the project level). Our ability to raise debt and/or tax equity financing for our projects is a key requirement of our development plan as described in

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"—Factors Affecting Our Results of Operations, Financial Condition and Cash Flows—Financing Requirements." We believe it is important for investors to understand the factors that we focus on in managing the business, and therefore we believe Project EBITDA is useful for investors to understand. In addition, as long as investors consider Project EBITDA in combination with the most directly comparable GAAP measure, gross income (loss), we believe it is useful for investors to have information about our operating performance on a period-by-period basis, without giving effect to GAAP requirements that require the recognition of income or expense that does not correspond to actual energy production in a given period, and we believe it is useful for investors to consider a measure that does not include project-related depreciation and amortization. Because lenders and providers of tax equity financing frequently disregard the non-cash charges and GAAP timing differences noted above when determining the financeability of a project, we believe that presenting information in this manner can help give investors and understanding of our ability to secure financing for our projects. Project EBITDA can be reconciled to gross income (loss), which we believe to be the most directly comparable financial measure calculated and presented in accordance with GAAP, as follows (in thousands):

 
  Year Ended December 31,   Three Months Ended
March 31,
 
 
  2007   2008   2009   2009   2010  

Gross income (loss)

  $ (5,629 ) $ 18,254   $ 21,383   $ 26,420   $ 12,588  
 

Add (subtract):

                               
     

Depreciation and amortization of operating assets

    8,800     10,611     34,185     7,823     12,270  
     

New England REC timing

    2,461     1,947     2,060     685     1,935  
     

Mark-to-market adjustments(1)

    9,801     (14,760 )   (21,322 )   (24,440 )   (14,432 )
                       
   

Project EBITDA

  $ 15,433   $ 16,052   $ 36,306   $ 10,488   $ 12,361  
                       

(1)
The mark-to-market adjustments for the 2009 periods include the effect of a financial hedge modification fee of $4,147 in addition to market adjustments of $17,175 and $20,293 for the year and the three months, respectively.

        Project EBITDA does not represent funds available for our discretionary use and is not intended to represent or to be used as a substitute for gross income (loss), net income or cash flow from operations data as measured under GAAP. We use Project EBITDA to assess the performance of our operating projects and not as a measure of our liquidity. Investors should consider cash flow from operations, and not Project EBITDA, when evaluating our liquidity and capital resources. The items excluded from Project EBITDA are significant components of our statement of income and must be considered in performing a comprehensive assessment of our overall financial performance. Project EBITDA and the associated period-to-period trends should not be considered in isolation.

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Results of Operations

        The following table sets forth selected information about our results of operations for the three months ended March 31, 2010 and 2009 (in thousands):

 
  Three Months Ended March 31,   2010 compared with 2009  
 
  2009   2010   $   %  

Revenues:

                         
 

Revenues

  $ 11,381   $ 18,725   $ 7,344     65 %
 

Cash settlements of derivatives

    6,140     3,660     (2,480 )   -40 %
 

Fair value changes in derivatives

    20,293     14,432     (5,861 )   -29 %
                   
   

Total revenues

    37,814     36,817     (997 )   -3 %

Cost of revenues

                         
 

Project operating expenses

    3,571     11,959     8,388     235 %
 

Depreciation and amortization of operating assets

    7,823     12,270     4,447     57 %
                   
   

Total cost of revenues

    11,394     24,229     12,835     113 %
                   
   

Gross income

    26,420     12,588     (13,832 )   -52 %

Other operating expenses:

                         
 

Project development

    13,314     8,960     (4,354 )   -33 %
 

General and administrative

    11,047     7,948     (3,099 )   -28 %
 

Depreciation and amortization

    672     1,140     468     70 %
                   
   

Total other operating expenses

    25,033     18,048     (6,985 )   -28 %
                   
   

Income (loss) from operations

    1,387     (5,460 )   (6,847 )   N/C  

Other expense

    (1,495 )   (1,625 )   (130 )   9 %

Interest expense, net of capitalized interest

    (3,365 )   (236 )   3,129     -93 %
                   

Loss before provision for income taxes

    (3,473 )   (7,321 )   (3,848 )   111 %

Provision for income taxes

        3,374     3,374     N/C  
                   
 

Net loss

    (3,473 )   (10,695 )   (7,222 )   208 %
   

Less: net loss attributable to noncontrolling interest

    2,241     10,265     8,024     358 %
                   
 

Net income (loss) attributable to members of First Wind Holdings, LLC

  $ (1,232 ) $ (430 ) $ 802     -65 %
                   

Key Metrics:

                         
 

Rated capacity (end of period)

    274 MW     504 MW     230 MW     84 %
 

Megawatt hours generated

    165,929 MW     280,926 MW     114,997 MW     69 %
 

Average realized energy price
($/MWh)

  $ 80   $ 78   $ (2 )   -3 %
 

Project EBITDA

  $ 10,488   $ 12,361   $ 1,873     18 %

N/C = not calculable

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        For the three months ended March 31, 2010, we recorded revenues from energy sales, REC sales and capacity sales, along with cash settlements of derivatives, of $22.4 million, a 27.8% increase over the $17.5 million recorded for the comparable 2009 period. After reflecting items included in our average realized energy price calculation, as discussed on page 59, this amount was $21.9 million for the three months ended March 31, 2010, a 65.9% increase over the $13.2 million recorded for the comparable 2009 period. This increase was due to the substantial increase in electricity generation in 2010, compared with 2009, which in turn was due to the substantial increase in the capacity of our projects in 2010 compared with 2009. During the three months ended March 31, 2010, we generated 281,000 MWh of electricity, a 69.3% increase over the 166,000 MWh generated in the same period in 2009, due largely to the increase in the capacity of our projects at the end of January 2009. Average realized energy price for 2010 was $78/MWh compared with $80/MWh in 2009.

        Including fair value changes in derivatives, during three months ended March 31, 2010 we recorded revenues of $36.8 million, an 3% decrease from the $37.8 million recorded for the comparable 2009 period.

        Operating base.    Our 2010 operating base consists of projects that commenced operations prior to January 1, 2010. Our performance for the three months ended March 31, 2010 and 2009 was as follows:

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        On an aggregate basis for the three months ended March 31, 2010, energy production was approximately 277,000 MWh for our operating base, resulting in an NCF of 27% compared with energy production of approximately 166,000 MWh, resulting in an NCF of 35% in the same period 2009. This decrease was due to the fact that the operating projects brought on line in 2010, have a lower actual

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and expected aggregate NCF than the projects we operated in 2009. Average realized energy price for the three months ended March 31, 2010 was $78/MWh compared with approximately $80/MWh for the comparable period in 2009. Project operating expenses for the three months ended March 31, 2010 were approximately $9.5 million compared with approximately $3.5 million in the 2009 period, primarily due to our 84% increase in installed capacity in 2010.

        Partial year projects.    Our 2010 partial year operating projects will consist of projects that begin commercial operations after January 1, 2010. Our performance for the three months ended March 31, 2010 was not materially affected by any 2010 partial year operating project:

        Depreciation and amortization of operating assets.    During the three months ended March 31, 2010, we recorded expenses for depreciation and amortization of operating assets of $12.3 million, a 56.8% increase over the $7.8 million recorded for the same period 2009, due largely to the substantial increase in the capacity of our projects in 2010 compared with 2009.

        Project development.    During the three months ended March 31, 2010, we recorded project development expenses of $9.0 million, a 32.7% decrease from the $13.3 million recorded for the same period in 2009, due largely to timing of project development expenses incurred in 2009. Additionally, we have classified approximately $2.6 million of certain types of costs historically included in project development expenses as project operating expenses in 2010. The impact of this change was partially offset by our classifying approximately $0.6 million of certain types of costs historically included in general and administrative expenses as project development expenses in 2010 as further described below.

        General and administrative.    During the three months ended March 31, 2010, we recorded general and administrative expenses of $7.9 million, a 27.5% decrease from the $11.0 million recorded for the same period in 2009. The decrease in period costs is due largely to reductions in non-recurring third party legal and consulting expense incurred during 2009 along with our classifying approximately $0.6 million of certain types of costs (primarily related to securing real estate, PPAs and other project related contracts) historically included in general and administrative expenses as project development costs in 2010. Additionally, we recorded $1.6 million of stock-based compensation expense in the 2010 period compared with $1.5 million in the 2009 period. Comparing for the three months ended March 31, 2010 to the same period 2009 we have grown operating capacity by 84% while reducing our general and administration expenses. Apart from certain additional costs we will incur as a public company, we believe that we have achieved scale in general and administrative capabilities to support our future growth without requiring significant increases in expenses related to overhead

        Depreciation and amortization.    During the three months ended March 31, 2010, we recorded depreciation and amortization expenses of $1.1 million, a 69.6% increase over the $0.7 million recorded for the same period in 2009, due largely to capital expenditures related to corporate assets such as leasehold improvements, vehicles, office equipment and furniture.

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        The following table sets forth selected information about our results of operations for the years ended December 31, 2009 and 2008 (in thousands):

 
  Year Ended
December 31,
  2009 compared
to 2008
 
 
  2008   2009   $   %  

Revenues:

                         
 

Revenues

  $ 28,790   $ 47,136   $ 18,346     64 %
 

Cash settlements of derivatives

    (4,072 )   10,966     15,038     N/C  
 

Fair value changes in derivatives

    14,760     17,175     2,415     16 %
                   
   

Total revenues

    39,478     75,277     35,799     91 %

Cost of revenues:

                         
 

Project operating expenses

    10,613     19,709     9,096     86 %
 

Depreciation and amortization of operating assets

    10,611     34,185     23,574     222 %
                   
   

Total cost of revenues

    21,224     53,894     32,670     154 %
   

Gross income

    18,254     21,383     3,129     17 %

Other operating expenses:

                         
 

Project development

    35,855     35,895     40     0 %
 

General and administrative

    44,358     39,192     (5,166 )   -12 %
 

Depreciation and amortization

    2,325     3,381     1,056     45 %
                   
   

Total other operating expenses

    82,538     78,468     (4,070 )   -5 %
   

Loss from operations

    (64,284 )   (57,085 )   7,199     -11 %

Risk management activities related to non-operating projects

    42,138         (42,138 )   -100 %

Other income (expense)

    827     (1,915 )   (2,742 )   N/C  

Interest expense, net of capitalized interest

    (4,846 )       4,846     -100 %
                   

Loss before provision for income taxes

    (26,165 )   (59,000 )   (32,835 )   125 %

Provision for income taxes

        2,010     2,010     N/C  
                   
 

Net loss

    (26,165 )   (61,010 )   (34,845 )   133 %
   

Less: net loss attributable to noncontrolling interests

    11,107     1,391     (9,716 )   -87 %
                   
 

Net loss attributable to members of First Wind Holdings, LLC

  $ (15,058 ) $ (59,619 ) $ (44,561 )   296 %
                   

Key Metrics:

                         
 

Rated capacity (end of period)

    92 MW     478 MW     386 MW     420 %
 

Megawatt hours generated

    275,024     656,365 MW     381,341 MW     139 %
 

Average realized energy price ($/MWh)

  $ 85   $ 79     (6 )   -7 %
 

Project EBITDA

  $ 16,052   $ 36,306   $ 20,254     126 %

N/C = not calculable

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        During 2009, we recorded revenues from energy sales, REC sales and capacity sales, along with cash settlements of derivatives, of $36.2 million, a 46.6% increase over the $24.7 million recorded during 2008. This increase was due to the substantial increase in electricity generation in 2009 compared with 2008, which in turn was due to the substantial increase in the capacity of our projects in 2009 compared with 2008. During 2009, we generated 656,365 MWh of electricity, a 139% increase over the 275,024 MWh generated in 2008, due largely to the increase in the capacity of our projects in 2009. Average realized energy price for 2009 was $79/MWh compared with $85/MWh in 2008.

        Including revenues from risk management activities related to operating projects, during 2009 we recorded revenues of $75.3 million, a 90.7% increase over the $39.5 million recorded for 2008. Risk management activities related to operating projects resulted in a gain of $28.1 million for 2009 compared with a gain of $10.7 million for the same period in 2008. The $17.4 million increase for 2009 over 2008 relates to $2.4 million of mark-to-market gains on commodity swap contracts combined with net cash settlements of $15 million on the same commodity swaps.

        Operating base.    Our performance for 2009 and 2008 for projects that were operating prior to January 1, 2009 was as follows:

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        On an aggregate basis for our 2009 operating base, 2009 energy production was approximately 273,000 MWh, resulting in an NCF of 34%. Adjusted for our warranty claim at Steel Winds I, our operating base NCF would have been 35%, which tracks slightly below our long-term expectation of 36% to 38% due to below-average wind speeds. While below our long-term NCF expectations, our 2009 NCF was within the expected range of annual variation. Average realized energy price for the period was $79/MWh. Project operating expenses were approximately $7.8 million or $85/kW.

        Partial year projects.    During their first year of operation, our projects are more affected by factors like ramp-up in availability and seasonality than is typical after the project has been operating for a longer duration. This affects the comparability of a project's performance between periods that include the first year of operation. Our 2009 performance for projects that commenced operations after January 1, 2009 was as follows:

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        Depreciation and amortization of operating assets.    During 2009, we recorded expenses for depreciation and amortization of operating assets of $34.2 million, a 222.2% increase over the $10.6 million recorded for 2008, due largely to the substantial increase in the capacity of our projects in 2009 compared with 2008.

        Project development.    During 2009, we recorded project development expenses of $35.9 million, which is approximately the same as the amount recorded for 2008. Project development expenses in 2009 also include a charge of $3.1 million for formerly-capitalized costs of a project that was changed from Tier 1 to Tier 2 status, and project development expenses for 2008 include a charge of approximately $3.5 million for formerly-capitalized costs of a Tier 1 project that was discontinued.

        General and administrative.    During 2009, we recorded general and administrative expenses of $39.2 million, an 11.6% decrease from the $44.4 million recorded for 2008, due largely to an overall increase in general and administrative expenses associated with the expansion of our business, offset by reductions in non-recurring third party legal and accounting expenses incurred during 2008. Additionally, we recorded $5.9 million of stock-based compensation expense in 2009 compared with $8.6 million in 2008. We believe that, apart from additional costs we expect to incur as a public company, we have achieved sufficient general and administrative capabilities to support our future growth without requiring significant increases in these expenses. In 2010, we expect to reflect certain costs that were included in general and administrative expenses in 2009 and 2008 as project development expenses due to changes in our accounting systems that allow us to identify these costs. Amounts for comparable periods will be reclassified to conform to this presentation.

        Depreciation and amortization.    During 2009, we recorded depreciation and amortization expenses of $3.4 million, a 45.4% increase over the $2.3 million recorded for 2008, due largely to an increase in capital expenditures related to anemometers used to perform wind resource analysis at our development projects; an increase in corporate assets such as vehicles, office equipment and furniture; and an increase in depreciation of construction equipment.

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        The following table sets forth selected information about our results of operations for the years ended December 31, 2007 and 2008 (in thousands):

 
  Year Ended
December 31,
  2008 Compared
to 2007
 
 
  2007   2008   $   %  

Revenues:

                         
 

Revenues

  $ 23,817   $ 28,790   $ 4,973     21 %
 

Cash settlements of derivatives

    (1,670 )   (4,072 )   (2,402 )   144 %
 

Fair value changes in derivatives

    (9,801 )   14,760     24,561     N/C  
                   
   

Total revenues

    12,346     39,478     27,132     220 %

Cost of revenues:

                         
 

Project operating expenses

    9,175     10,613     1,438     16 %
 

Depreciation and amortization of operating assets

    8,800     10,611     1,811     21 %
                   
   

Total cost of revenues

    17,975     21,224     3,249     18 %
   

Gross income (loss)

    (5,629 )   18,254     23,883     N/C  

Other operating expenses:

                         
 

Project development

    25,861     35,855     9,994     39 %
 

General and administrative

    13,308     44,358     31,050     233 %
 

Depreciation and amortization

    1,215     2,325     1,110     91 %
                   
   

Total other operating expenses

    40,384     82,538     42,154     104 %
   

Loss from operations

    (46,013 )   (64,284 )   (18,271 )   40 %

Risk management activities related to non-operating projects

    (21,141 )   42,138     63,279     N/C  

Other income (expense)

    1,078     827     (251 )   23 %

Interest expense, net of capitalized interest

    (9,820 )   (4,846 )   4,974     -51 %
                   
 

Net loss

    (75,896 )   (26,165 )   49,731     -66 %
   

Less: net loss attributable to noncontrolling interests

    7,825     11,107     3,282     42 %
                   
 

Net loss attributable to members of First Wind Holdings, LLC

  $ (68,071 ) $ (15,058 ) $ 53,013     -78 %
                   

Key Metrics:

                         
 

Rated capacity (end of period)

    92 MW     92 MW         0 %
 

Megawatt hours generated

    239,940     275,024     35,084     15 %
 

Average realized energy price ($/MWh)

  $ 93   $ 85   $ (8 )   -9 %
 

Project EBITDA

  $ 15,433   $ 16,052   $ 619     4 %

N/C = not calculable

        During 2008 we recorded revenues from energy sales, sales of RECs and capacity sales of $28.8 million, a 20.9% increase over the $23.8 million recorded for 2007. This increase was due to the increase in electricity generation in 2008 compared with 2007, which in turn was due to the increase in the capacity of our projects in 2008 compared with 2007. During 2008, we generated 275,024 MWh of electricity, a 14.6% increase over the 239,940 MWh generated in 2007, due largely to our Steel Winds I project operating for only a partial year in 2007. Average realized energy price for 2008, was $85/MWh compared with $93/MWh in 2007.

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        Including revenues from risk management activities related to operating projects, during 2008 we recorded revenues of $39.5 million, a 219.8% increase over the $12.3 million recorded for 2007.

        Operating base.    Our performance for 2008 and 2007 for projects that were operating or under construction prior to January 1, 2008, excluding Steel Winds I, was as follows:

        The performance of our Steel Winds I project during 2008 and 2007 was not material to our consolidated results of operations.

        Depreciation and amortization of operating assets.    During 2008 we recorded expenses for depreciation and amortization of operating assets of $10.6 million, an 20.6% increase over the $8.8 million recorded for 2007, due largely to the increase in the capacity of our projects in 2008 compared with 2007.

        Project development expenses.    During 2008 we recorded project development expenses of $35.9 million, a 38.6% increase over the $25.9 million recorded for 2007, due largely to an increase in development expenses from expansion of our project pipeline. Project development expenses in 2008 also include a charge of $3.5 million for formerly-capitalized costs of a Tier 1 project that was discontinued.

        General and administrative expenses.    During 2008 we recorded general and administrative expenses of $44.4 million, a 233.3% increase over the $13.3 million recorded for 2007, due largely to an overall increase in general and administrative expenses associated with expansion of our business and preparation for becoming a public company along with (i) expenses of approximately $4.0 million incurred for costs associated with securities registration that would have otherwise been capitalized had our initial public offering been completed; and (ii) approximately $11.5 million of non-recurring legal and administrative expenses.

        Depreciation and amortization expenses.    During 2008 we recorded depreciation and amortization expenses of $2.3 million, a 91.4% increase over the $1.2 million recorded for 2007, due largely to an increase in capital expenditures related to anemometers to perform wind resource analysis at our development projects; and corporate assets such as vehicles, office equipment and furniture; and depreciation of construction equipment.

        During 2008 we recorded a gain related to risk management activities related to non-operating projects of $42.1 million, compared with an expense of $21.1 million recorded for 2007, due largely to the effect of decreasing electricity prices.

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Liquidity and Capital Resources

        As of December 31, 2009, we had accumulated losses since inception of $191.2 million and $752 million of long-term indebtedness (including current maturities and an advance of $120 million accounted for as a redeemable interest in our Milford I project that was repaid with ARRA grant proceeds in March 2010). These losses were largely attributable to our development and overhead activities as we grew our company to commercial scale. We expect to continue to incur significant capital expenditures and significant losses for next several years as we develop and construct new projects, purchase additional turbines, hire additional employees, expand our operations and incur additional costs of operating as a public company. As we grow, we expect to require significant additional amounts of debt, tax equity financing and equity capital.

        Our requirements for liquidity and capital resources, other than for general corporate and administrative expenses and working capital needs, consist primarily of debt service requirements and capital expenditures for wind turbine purchases. Our business plan depends on our ability to repay or refinance our short-term debt. If we are successful in repaying or refinancing our short-term debt and obtaining the government grants that we intend to apply for in 2010, we believe that cash on hand, the proceeds from our financing activities and cash generated through operations, together with the net proceeds of this offering, should provide sufficient capital to support our debt service obligations, including early repayment of certain debt instruments such as the First Wind Term Loan, and a portion of our current development plan through the end of 2013.

        As of March 31, 2010, we had approximately $103.7 million of current debt maturities, of which $79.9 million relates to a non-recourse turbine supply loan due on June 30, 2010. We also had $8.1 million of debt relating to construction of the Stetson II project due on July 10, 2010 and $15.7 million of other current debt that will be paid with existing cash balances or cash flows from operating projects.

        We have a signed commitment letter with a consortium of banks to provide $240 million of construction financing on our Milford II project. This financing commitment is subject to final approval, delivery of an executed power purchase agreement, certain permitting activities and certain other closing conditions, all of which we expect to satisfy on or before June 30, 2010. We expect to use proceeds from the Milford II construction financing, which will mature in 2011, to repay the $79.9 million non-recourse turbine supply loan maturing on June 30, 2010. However, there can be no assurance that this financing will close and, if such financing does not close, that any other financing will be available. If we are unable to repay or further extend the maturity on the $79.9 million non-recourse turbine supply loan, we would be in default of this loan, and the lender could accelerate the remaining balance of $53.1 million due in 2011. This loan is recourse solely to specified collateral, including turbines allocated to our Milford II, KWP II and Rollins projects along with the development assets of the KWP II, Rollins and Oakfield projects. To remedy such a default, the collateral could be sold, or we could surrender the collateral to the lender. The carrying value of the specified collateral was approximately $340 million at December 31, 2009, of which approximately $316 million relates to turbines. We believe the fair value of the collateral substantially exceeds the principal amount of corresponding non-recourse debt that it secures. While surrender of the collateral would not prevent our ability to continue 2010 operations, it would result in a loss for financial reporting purposes and could have an adverse effect on our longer term operations, including a potential delay in completion of one or more of the projects noted above.

        Our Stetson Holdings Loan includes a bridge loan of $18.6 million ($8.1 million drawn at March 31, 2010, with an additional $10.0 million expected to be drawn) that is due on July 10, 2010. 20% or a maximum amount of $3.7 million of the balance of the bridge loan is guaranteed by First

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Wind Holdings, LLC. We expect to fully repay this loan with anticipated proceeds from an ARRA cash grant that we applied for in April 2010. Based on the federal regulations governing the ARRA grant program, grant applicants are required to be reimbursed for eligible amounts within 60 days of submission of a complete grant application. We believe that we are entitled to reimbursement for qualified expenditures through the ARRA grant program based on current regulations, that the grant proceeds will be sufficient to repay in full the bridge loan and that these proceeds will be received prior to maturity of the bridge loan based on our experience in applying for and receiving four previous ARRA cash grants totaling approximately $235 million in 2009 and 2010.

        In general, our capital expenditures primarily relate to the acquisition of turbines to construct new projects and to expand existing projects. We have budgeted approximately $400 million for capital expenditures in 2010, primarily relating to balance-of-plant expenditures at our Rollins, Sheffield, Steel Winds II, Kaheawa Wind Power II, Kahuku and Milford II projects. See "Business—Our Portfolio of Wind Energy Projects—Projects Scheduled for Construction in 2010." Approximately $50 million of this amount is budgeted for turbine purchases, as we have already paid for approximately 85% of the turbines required for our 2010 construction plan. We intend to finance our 2010 capital expenditures primarily through a combination of construction loans, ARRA grants and long-term project financing. We intend to use approximately $             million of the net proceeds from this offering to fund a portion of our capital expenditures for 2010-2013. See "Use of Proceeds."

        We expect the principal sources of liquidity for our future operating and capital expenditures to be derived from:

        However, there can be no assurance that any additional financing will be available or, if such financing is available, that it will be available on terms acceptable to us. Moreover, additional funds may be necessary sooner than we currently anticipate in the event of changes to development schedules, increases in development costs, unanticipated prepayments to vendors or other unanticipated expenses. If we are unable to complete the types of transactions described above, raise additional capital or generate sufficient operating cash flow, we could default under our lending agreements or be required to delay development and construction of our wind energy projects, reduce overhead costs, reduce the scope of our projects or abandon or sell some or all of our development projects, all of which could adversely affect our business, financial position and results of operations.

        Borrowings under each of our turbine supply and construction loans are typically secured by a lien on the assets of the wind energy project to which they relate. Borrowings under our term loans are typically secured by a lien on the assets of the wind energy project to which they relate and a pledge of membership interests of our related project subsidiary. Our loan agreements generally contain covenants, including, among others, limitations on the use of proceeds and restrictions on indebtedness,

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liens, asset sales, dividends and distributions, investments, transactions with affiliates, transfers of ownership interests and certain changes in business. These covenants limit our subsidiaries' ability to pay us dividends or make loans or advances to us. We were in compliance with the covenants in each of our loan agreements as of March 31, 2010.

        Our outstanding debt as of December 31, 2009 and March 31, 2010 was as follows (dollars in thousands):

 
  Interest rate at
March 31, 2010
  Final
Maturity
  Balance at
December 31, 2009
  Balance at
March 31, 2010
 

Turbine Supply Loan

                         
 

Wind Acquisition Loan

    5.00%     2010-2011 (1) $ 197,868   $ 135,000  
 

Wind Acquisition IV Loan

    5.00%     2011     43,064     43,064  

Construction Loans

                         
 

Milford I

    N/A         2010     146,002      
 

Stetson II

    3.68%     2010     2,197     8,131  

Term Loans

                         
 

North Shore Note

    N/A         2010     7,200      
 

Maine Wind Loan

    3.09%     2022     14,197     13,528  
 

New York Wind Loan

    4.30%     2012     50,000     44,922  
 

CSSW Loan

    14.00%     2018     122,021     120,760  
 

Stetson Holdings Loan

    3.68%     2016     68,000     68,000  
 

First Wind Term Loan

    17.00%     2013         77,320  

Other

                         
 

Construction equipment loan

    7.65%     2013     4,944     4,735  
 

Vehicle loans

    0.00%-11.28%     2010-2013     840     974  
                       

Gross Indebtedness

    656,333     516,434  

Unamortized Discount

    (24,287 )   (22,266 )
                       

Carrying Value

    632,046     494,168  

Debt with maturities less than one year

    109,238     103,651  
                       

Total long-term debt

  $ 522,808   $ 390,517  
                       

(1)
The March 31, 2010 balance of $135.0 million is payable as follows: June 2010—$81.9 million (including $79.9 million for turbines related to our Milford II project), March 2011—$2.6 million and June 2011—$50.5 million.

        From January 1, 2010 through March 31, 2010, we completed the following debt transactions:

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        During the year ended December 31, 2009, we completed the following debt financing transactions, which, along with others, are more fully described in Note 6 to our consolidated financial statements appearing elsewhere herein:

        After we enter into a contract, including financial swaps, PPAs and/or REC sales contracts (collectively, revenue contracts) to hedge the cash flows we expect to receive from a project, to the extent market prices fluctuate above the contract price, we may be required to post collateral in favor of our counterparty. We typically provide letters of credit for this purpose, but if we do not have

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available capacity under our letter of credit facilities, we post cash (from cash on hand, subject to availability at First Wind or the applicable project). The table below summarizes letter-of-credit availability at the project level relating to the revenue contracts under which we may be required to post collateral, and letter-of-credit availability at the holding company level as of December 31, 2009:

 
  Availability at December 31, 2009  
 
  (in thousands)
 

Letter of Credit Facility

       
 

Mars Hill

  $ 6,448  
 

KWP

  $ 586  
 

Steel Winds

  $ 200  
 

Stetson

  $ 11,900  
 

Cohocton

  $ 1,658  
 

First Wind Holdings, LLC

  $ 8,242  

        As of December 31, 2009, a one standard deviation increase in market prices would not have required us to post collateral under our financial swaps. However, if market electricity prices rise substantially above the levels we anticipate when we enter into revenue contracts, we cannot be sure that we would have sufficient letter-of-credit availability or cash to satisfy the collateral requirements under our outstanding revenue contracts. This could lead to the unwinding of one or more revenue contracts, with the result that the corresponding cash flows would be unhedged and exposed to market fluctuations and we would owe liabilities to our counterparties. On March 23, 2010, we entered into a $50 million, two-year letter of credit facility, which provides $35.0 million of incremental letter of credit capacity to use as collateral and for other uses.

        We have sold equity interests in certain of our operating projects under tax equity financing arrangements. These financing arrangements entitle the tax equity investors to most of the operating cash flows and substantially all of the production tax credits and taxable income or loss generated by the project, including the tax benefits of accelerated five-year depreciation available under the Modified Accelerated Cost Recovery System (MACRS), until the tax equity investors achieve their targeted investment returns and return of capital, which we typically expect to occur in 10 years. As illustrated in the table below, following achievement of the targeted investment return (typically 8%–9%), the allocation of the project's operating cash flows, production tax credits (PTCs) and taxable income or loss "flips" or reverses from our tax equity investors to us so that we receive substantially all of the project's operating cash flows, PTCs and taxable income or loss from that point forward. If the project outperforms expectations, the flip will occur sooner and if a project underperforms, it will take longer for the flip to occur. Upon the tax equity investors' achieving their targeted investment returns, we have the option to acquire their equity interests, typically representing 5% to 10% of the project's allocations of profits and losses and distributable cash, at the higher of their capital account balance and the then-current fair market value of their interest. We retain controlling interests in the subsidiaries that own the projects and, therefore, will continue to consolidate these subsidiaries. The terms of our tax equity financing arrangements also include restrictions on the transfer of assets from the relevant subsidiary without the consent of the tax equity investors.

        Although the economic terms of each tax equity financing vary substantially, the following table provides an illustration of an allocation to tax equity investors of cash distributions, PTCs and taxable income or loss that may characterize a tax equity financing. The column titled "Cash Distributions" reflects the apportionment of operating cash flows; the column titled "PTCs" reflects the allocation of production tax credits for U.S. federal income tax purposes; and the column titled "Taxable Income or Loss" reflects the allocation of taxable income or loss for U.S. federal income tax purposes. So long as

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ARRA grants are available, we would not expect to realize PTC benefits through tax equity transactions.

 
  Cash Distributions   PTCs(1)   Taxable Income or Loss  
 
  Project
Owner
  Tax Equity
Investors
  Project
Owner
  Tax Equity
Investors
  Project
Owner
  Tax Equity
Investors
 

Year 1 to flip date(2)

    30 %   70 %   1 %   99 %   1 %   99 %

Thereafter

    95 %   5 %   95 %   5 %   95 %   5 %

(1)
PTCs lapse after ten years of commercial operations and the assets are generally fully depreciated five years after commercial operations commence.

(2)
Actual flip dates, as discussed above, vary and depend on the date the tax equity investors earn the agreed upon targeted investment return.

        During 2007, we completed two tax equity financings and received approximately $146.3 million in aggregate up-front payments in exchange for equity interests in our subsidiaries that own our KWP I and Mars Hill projects.

        On January 31, 2008, we executed an agreement for $208 million of tax equity financing related to a portfolio of our New York projects (Steel Winds I, Cohocton I and Prattsburgh I). In August 2008, $19.7 million was funded under this agreement with respect to our Steel Winds I project. Funding under the agreement was scheduled to occur in tranches upon commencement of commercial operations of each applicable project and the satisfaction of certain other conditions precedent. Our counterparty in this tax equity financing was an indirect subsidiary of Lehman Brothers Holdings, Inc., which filed for bankruptcy on September 15, 2008. On September 16, 2009, we repurchased the tax equity investor's interest in Steel Winds I for $4.5 million and terminated the agreement and such tax equity investor's remaining funding obligations.

        On September 28, 2009, we entered into an agreement with Stanton Equity Trading Delaware LLC, an affiliate of Credit Suisse, for the sale of certain equity interests with respect to our Milford I project, a 204 MW wind energy project in Utah. We used proceeds from this tax equity financing, along with SCPPA's prepayment for energy, to repay our Milford I construction loan in the fourth quarter of 2009 and the first quarter of 2010.

        On September 4, 2009, we received a cash grant for our Stetson I project of approximately $40.4 million under the ARRA. We used approximately $17.5 million of the proceeds of the ARRA grant to partially repay the Evergreen Wind Power V Loan, and we expect to use the remaining proceeds for general corporate purposes. On September 4, 2009, we also received cash grants of approximately $74.5 million for our Cohocton project under the ARRA. We used approximately $44.6 million of the proceeds of the ARRA grant to partially repay the New York Wind Loan. On March 23, 2010, we received an ARRA grant of approximately $120 million for our Milford I project and used the proceeds to repay a portion of our tax equity financing related to our Milford I project of approximately the same amount. On April 9, 2010, we applied for an ARRA grant for our Stetson II project.

        In February 2010, we received an approximately $232 million prepayment for energy under the PPA for our Milford I project. This prepayment was recorded as deferred revenue and will be recognized as energy is generated based on the price specified in the PPA. We are contractually obligated to deliver a minimum amount of energy for 20 years in connection with this prepayment. In the event that we do not deliver the contractually specified minimum amount of energy, we may be required to purchase and deliver replacement energy. We used approximately $155 million to repay the balance of the Milford I construction loan and the rest of this prepayment was available for general corporate purposes.

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        The following table summarizes our cash flows for the periods indicated (in thousands):

 
  Year Ended December 31,   Three Months Ended
March 31,
 
 
  2007   2008   2009   2009   2010  
 
   
   
   
  (unaudited)
  (unaudited)
 

Net cash provided by (used in)

                               
 

Operating activities

  $ (26,370 ) $ (41,589 ) $ (54,478 ) $ (17,653 ) $ 227,756  
 

Investing activities

    (334,007 )   (477,268 )   (253,533 )   (65,819 )   (33,957 )
 

Financing activities

    358,107     556,059     298,749     103,482     (172,194 )
                       

Net increase (decrease) in cash and cash equivalents

  $ (2,270 ) $ 37,202   $ (9,262 ) $ 20,010   $ 21,605  
                       

        Operating activities.    Net cash provided by operating activities during the three months ended March 31, 2010, was $227.8 million, compared with a net use of cash of $17.7 million during the same period in 2009. This increase was due primarily to receipt of a prepayment for energy for our Milford I project of $232 million, offset by the factors discussed for the results of operations for the three months ended March 31, 2010.

        Net cash used in operating activities during 2009 was $54.5 million, compared with $41.6 million during 2008. This decrease was due primarily to the factors discussed for the results of operations for 2009, coupled with increases due to timing of payments of invoices.

        Net cash used in operating activities during 2008 was $41.6 million, compared with $26.4 million during 2007. This increase was due primarily to the increases in development and general and administrative expenses previously discussed offset by timing of payments of invoices.

        Investing activities.    Net cash used in investing activities during the three months ended March 31, 2010, was $34.0 million, compared with $65.8 million during the same period in 2009. This decrease was primarily the result of timing of construction and turbine procurement activities, with Stetson II under construction in 2010 and Cohocton I and Stetson I under construction in 2009. In 2010, approximately $14.3 million of capital expenditures were paid from directly-related debt facilities, compared with $64.7 million of payments for turbines from turbine supply loans in 2009. These payments are excluded from investing cash flow amounts.

        Net cash used in investing activities during 2009 was $253.5 million, compared with $477.3 million during 2008. This decrease was primarily the result of increases in turbine deposits along with construction expenditures related to Cohocton I, Stetson I and Milford I in 2008 that were financed with equity capital. In 2009, approximately $259.3 million of turbine costs for various projects and construction-related costs for Milford I were paid from directly-related debt facilities and are excluded from the 2009 investing cash flow amount. Net cash used in investing activities in 2009 also includes a $44.5 million increase in restricted cash for various operating and contingency reserves required to be held at our projects under debt agreements or other contracts.

        Net cash used in investing activities during 2008 was $477.3 million, compared with $334.0 million during 2007. This increase was primarily the result of increases in turbine deposits along with construction expenditures related to Cohocton I, Stetson I and Milford I.

        Financing activities.    Net cash used in financing activities during the three months ended March 31, 2010, was $172.2 million, compared with $103.5 million of net cash provided during same period in 2009. Financing activities during the three months ended March 31, 2010, consisted primarily of: (i) $69.2 million of net proceeds from borrowings and (ii) $120.1 million of U.S. Treasury grant

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proceeds, offset by repayments of borrowings of approximately $351.8 million, including a $120.0 million payment for a portion of our tax equity financing related to our Milford I project with the U.S. Treasury grant proceeds. Cash used in financing activities in 2010 also includes a $4.0 million payment made to repurchase a portion of an investor's interest in our Milford I project, along with a $4.5 million payment made to a member of First Wind Holdings, LLC under a unit redemption agreement.

        Net cash provided by financing activities during 2009 was $298.7 million, compared with $556.1 million during 2008. 2009 financing activities consisted primarily of net proceeds of: (i) $140 million received from our Sponsors in connection with refinancing certain of our indebtedness, (ii) $115 million of U.S. Treasury grant proceeds, and (iii) net proceeds of approximately $96.8 million from tax equity financings offset by net repayments of indebtedness of approximately $66.0 million ($607.4 million of proceeds net of $673.4 million of repayments) and the repurchase of a tax equity investor's interest in our Steel Winds I project for $4.5 million.

        Net cash provided by financing activities during 2008 was $556.1 million, compared with $358.1 million during 2007. 2008 financing activities consisted primarily of net proceeds of $496.7 million received from our sponsors in connection with refinancing certain of our indebtedness along with net proceeds of approximately $56.9 million from borrowings ($371.8 million of proceeds net of $314.9 million of repayments) and $17.9 million from tax equity financings, offset by approximately $15.4 million of distributions in respect of equity interests.

Contractual Obligations

        As of December 31, 2009, we had the following contractual obligations (in thousands):

 
  Payments Due by Period  
 
  Remaining
Total
  2010   2011-2012   2013-2014   Thereafter  

Purchase obligations(1)

  $ 40,214   $ 40,214   $   $   $  

Debt(2)

    656,333     255,240     162,677     76,196     162,220  

Estimated interest payments on long-term debt(3)

    124,368     30,089     36,865     23,983     33,431  

Operating leases

    68,964     5,189     12,674     7,434     43,667  
                       
 

Total(4)

  $ 889,879   $ 365,811   $ 239,515   $ 45,235   $ 239,318  
                       

(1)
In November 2009, we renegotiated our turbine supply agreements with Clipper in order to convert our firm purchase commitments into rights to purchase turbines, and we extended the delivery schedule for our existing orders. These agreements provide us with the right, but not the obligation, to acquire Clipper Liberty turbines representing 633 MW of capacity for installation over the period from 2011 to 2015. We have already paid approximately $70 million in deposits and progress payments for these turbines and intend to pay approximately $30 million more in deposits and progress payments by January 15, 2011. If we decide not to purchase any additional turbines from Clipper, we will forfeit the pro rata portion of these deposits and progress payments corresponding to the schedule of future turbine purchases: $38.6 million for turbines scheduled to be purchased in 2011, $17.9 million in 2012, $10.7 million in 2013, $13.4 million in 2014 and $8.9 million in 2015. Through March 2010, we paid Clipper $11.0 million with respect to these obligations.

(2)
Reflects the effects of amendments and other debt-related transactions through March 31, 2010.

(3)
Estimated interest payments are based on the assumption that we will pay accrued interest on the CSSW loan compared with electing to pay interest in kind. Interest rates relating to the individual debt facilities are based on the current one-month LIBOR as of December 31, 2009. Interest rate on the interest swaps are based on the three-month LIBOR as of December 31, 2009 and assume a forward rate curve.

(4)
Distributions to our tax equity investors under our tax equity financing arrangements and to holders of Series B Membership Interests pursuant to our tax receivable agreement are unquantifiable future commitments and are, therefore, excluded from our contractual obligations. For additional information, see "The Reorganization and Our Holding Company Structure—Tax Receivable Agreement."

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Critical Accounting Policies and Estimates

        Our discussion and analysis of our financial condition and results of operations are based on our consolidated financial statements, which have been prepared in accordance with GAAP. In applying these critical accounting policies, our management uses its judgment to determine the appropriate assumptions to be used in making certain estimates. These estimates are based on management's experience, the terms of existing contracts, management's observance of trends in the wind energy industry, information provided by our customers and information available to management from other outside sources, as appropriate. These estimates are subject to an inherent degree of uncertainty.

        We use estimates, assumptions and judgments for such items as the depreciable lives of property, plant and equipment, amortization periods for identifiable intangible assets, valuation of long term swap contracts, asset retirement obligations and assumptions for share-based payments, testing long-lived intangible assets for impairment and to determine their fair value if impaired. These estimates, assumptions and judgments are derived and continually evaluated based on available information, experience and various assumptions we believe to be reasonable under the circumstances. To the extent these estimates are materially incorrect and need to be revised, our operating results may be materially adversely affected.

        Our critical accounting policies include:

        We currently earn revenue from two primary sources: (1) the sale of electricity and (2) the sale of RECs. We recognize revenues from the sale of electricity under long-term PPAs based upon the output delivered at rates specified under the contracts. We recognize revenues from the sale of RECs based upon the rates specified under the contracts. We defer recognition of revenue in instances when not all criteria to recognize revenue have been met.

        Property, plant and equipment are stated at cost (net of any U.S. Treasury grant amount received), less accumulated depreciation. Renewals and betterments that increase the useful lives of the assets are capitalized. Repairs and maintenance expenditures that increase the efficiency of the assets are expensed as incurred. Wind energy project equipment and related assets are depreciated over their estimated useful life on a straight-line basis over 20 years. Other non-wind-energy-project-related property, plant and equipment are depreciated over their estimated useful lives on a straight-line basis ranging from three to seven years.

        Construction-in-progress payments, turbine deposits and turbines, insurance, interest and other costs related to construction activities are capitalized. Construction in progress is reclassified to other balances within property, plant and equipment and depreciation is begun as each project commences commercial operations.

        Many of our construction and equipment procurement agreements contain damage clauses relating to construction delays and contractually specified performance targets. These clauses cover a portion of the lost margin or revenues from the wind energy project's failure to operate when targeted or to perform as guaranteed. Payments received pursuant to these clauses are recorded as a reduction of construction-in-progress.

        We capitalize project development costs as construction in progress once management deems a project probable of being technically, commercially and financially viable. This determination generally

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occurs in tandem with management's determination that a project should be classified as a Tier 1 development project. See "Business—How We Classify Our Projects."

        Long-lived assets primarily include property, plant and equipment. We review long-lived assets for impairment whenever events or changes in business circumstances indicate that the carrying amount of the assets may not be fully recoverable or that the useful lives are no longer appropriate. Each impairment test is based on a comparison of the undiscounted cash flows to the recorded value of the asset. If there is indication of impairment, the asset is written down to its estimated fair value based on a discounted cash flow analysis. Determining the fair value of long-lived assets entails management's exercise of judgment, and different judgments could yield different results.

        We employ derivative financial instruments to manage our exposure to fluctuations in commodity prices and interest rates. These derivative financial instruments are recorded in the consolidated balance sheets at their respective fair values.

        Accounting for qualifying hedges allows a derivative's gains and losses to offset related results on the hedged item in the income statement and requires that a company must formally document, designate and assess the effectiveness of transactions that receive hedge accounting. We have not formally documented or designated our derivative financial instruments as hedges; therefore, we do not apply hedge accounting to these instruments. Accordingly, these instruments have been marked to market through earnings.

        We determine fair value of commodity price and interest rate swap agreements based on quoted prices when available or through the use of alternative approaches when market quotes are not readily accessible or available. Valuation techniques for fair value are based on observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect our best estimate, considering all relevant information. These valuation techniques involve management estimation and judgment. The valuation process to determine fair value also includes making appropriate adjustments to the valuation model outputs to consider risk factors. The fair value hierarchy of our inputs used to measure the fair value of our assets and liabilities consists of three levels:

        If inputs used to measure an asset or liability fall within different levels of the hierarchy, the categorization is based on the lowest level input that is significant to the fair value measurement of the asset or liability. Our assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the asset or liability.

        We account for noncontrolling interests in projects where we have entered into our tax equity financings using a balance sheet methodology. Under this methodology, the amount reported as a noncontrolling interest in our consolidated balance sheet represents the amount the tax equity investors

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would receive, at each balance sheet date, if the net assets of the projects subject to the financing were liquidated at the values reflected on our balance sheet. We recognize periodic changes in the noncontrolling interest balance as an allocation of the periodic operating results to the noncontrolling interest in the statement of operations. We evaluate each transaction that gives rise to a noncontrolling interest to determine whether this balance sheet methodology is appropriate for the facts and circumstances of the transaction. It is possible that future transactions could be accounted for differently.

Quantitative and Qualitative Disclosure about Market Risk

        We have significant exposure to market interest rates and commodity prices, as described below. To mitigate these market risks, we have entered into multiple financial interest rate and commodity hedges. We have not applied hedge accounting treatment to our financial hedging activities, therefore we are required to mark our financial hedges to market through earnings on a periodic basis, which may result in non-cash adjustments to and volatility in our earnings, in addition to potential cash settlements for any losses.

        We are exposed to fluctuations in interest rates, as substantially all of our outstanding debt obligations carry variable interest rates, principally indexed to LIBOR. In order to mitigate this risk, we employ financial instruments to manage our exposure to fluctuations in interest rates, including using interest rate swap agreements to effectively convert our anticipated cash payments under our variable-rate financings to a fixed-rate basis. These agreements involve the receipt of variable payments in exchange for fixed payments over the term of the agreements without the exchange of the underlying principal amounts.

        As of March 31, 2010, we had total debt of approximately $516.4 million, of which approximately $202.8 million represents fixed-rate debt and is, therefore, not subject to interest rate fluctuation risk. However, the balance of approximately $313.6 million is currently at floating rates, which exposes us to changes in interest rates. We have entered into several interest rate swap and cap agreements to mitigate such risk. The detrimental effect on cash interest payments through March 31, 2011 of a hypothetical 100 basis point increase in interest rates, net of the offsetting effect on the cash settlements for the interest rate hedges, would be approximately $2.1 million. In addition, a 100 basis point increase in interest rates would produce a mark-to-market gain of approximately $2.0 million for the existing interest rate hedges that we expect to remain outstanding through March 31, 2011.

        Our ownership and operation of projects exposes us to volatility in market prices of electricity and RECs.

        In an effort to stabilize our revenue from electricity sales, we evaluate the electricity sale options for each of our development projects, including the appropriateness of entering into a PPA or a financial swap, or both. If we sell our electricity into an ISO market and no PPA is available, we may enter into a financial swap to stabilize all or a portion of our estimated revenue stream. Under the terms of our existing financial swaps, we are not obligated to physically deliver or purchase electricity. Instead, we receive payments for specified quantities of electricity based on a fixed price and are obligated to pay our counterparty the market price for the same quantities of electricity. These financial swaps cover quantities of electricity that we estimate we are highly likely to produce. As a result, gains or losses under the financial swaps are designed to be offset by decreases or increases in our revenues from spot sales of electricity in liquid ISO markets. However, the actual amount of electricity we generate from operations may be materially different from our estimates for a variety of

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reasons, including variable wind conditions and turbine availability. If a project does not generate the volume of electricity covered by the associated swap contract, we could incur significant losses if electricity prices in the market rise substantially above the fixed price provided for in the swap. If a project generates more electricity than is contracted in the swap, the excess production will not be hedged and the revenues we derive will be exposed to market price fluctuations.

        We enter into PPAs when we sell our electricity into non-ISO markets or where we believe it is otherwise advisable. Under a PPA, we contract to sell all or a fixed proportion of the electricity generated by one of our projects, sometimes bundled with RECs and capacity, to a customer, often a utility. We do this to stabilize our revenues from that project. We are exposed to the risk that the customer will fail to perform under a PPA, with the result that we will have to sell our electricity at the market price, which could be disadvantageous. We also in some instances commit to sell minimum levels of generation. If the project generates less than the committed volumes, we may be required to buy the shortfall of electricity production on the open market, which could be costly, or make payments of liquidated damages.

        We often seek to sell forward a portion of our RECs to fix the revenues from those attributes and hedge against future declines in prices of RECs. If our projects do not generate the amount of electricity required to earn the RECs sold forward or if for any reason the electricity we generate does not produce RECs for a particular state, we may be required to buy the shortfall of RECs on the open market or pay liquidated damages. Further, current market conditions may limit our ability to hedge sufficient volumes of our anticipated RECs, leaving us exposed to the risk of falling prices for RECs. Future prices for RECs are also subject to the risk that regulatory changes will adversely affect prices.

        We would also incur financial losses as a result of adverse changes in the mark-to-market values of the financial swaps or if the counterparty fails to make payments. We could also experience a reduction in operating cash flow if we are required to post margin in the form of cash collateral. We have been required in the past and may be required in the future to post cash collateral or issue letters of credit, for our obligations under some of our hedging arrangements, if market commodity prices rise above the contract prices. These actions reduce our available borrowing capacity under the credit agreements under which these letters of credit are issued.

        We measure the sensitivity of the fair value of our financial hedges to potential changes in commodity prices using a mark-to-market analysis based on the current forward commodity prices and estimates of the price volatility. We estimate that a one standard deviation move in the fair value of our commodity swap positions from March 31, 2010 to June 30, 2010 would result in approximately $12.0 million of gain or loss, depending on the direction of the movement in the underlying commodity prices, for the existing positions that will be outstanding as of June 30, 2010. An increase in energy forward prices will produce a mark-to-market loss, while a decrease in prices will result in a mark-to-market gain.

        Our hedges expose us to counterparty credit risk, which is the risk that our counterparties may fail to fulfill their payment and other obligations under the contractual terms of our hedges. We seek to manage counterparty credit risk by assessing and monitoring the credit standing of the existing and potential counterparties and by either entering into hedges with creditworthy entities or obtaining adequate credit support, but these efforts may not be sufficient to limit our exposure and potential for loss.

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INDUSTRY

Overview

        Wind energy has been one of the most rapidly growing renewable energy sources in the United States since 2000. According to the American Wind Energy Association (AWEA), wind energy capacity in the United States grew at a compound annual growth rate (CAGR) of 34% from 2000 through 2009. The Energy Information Administration (EIA) also indicates that wind energy was the fastest growing source of new electricity supply in the U.S. electrical generation market from 2000 through 2009. This has largely been due to wind energy's increased competitiveness, advances in wind turbine technology, growing support for renewable energy sources and the advantages of wind energy over many other renewable energy sources.

        According to the Global Wind Energy Council (GWEC), the United States experienced the largest annual increases in cumulative installed wind capacity in the world between 2005 and 2007. There was further growth from 2007 to 2009, with U.S. cumulative installed wind capacity increasing at a CAGR of 45% from 16.8 GW to 35.2 GW, according to AWEA. Furthermore, while in the midst of the recent global economic downturn, the U.S. wind industry succeeded in installing almost 10 GW of new wind energy capacity in 2009 according to AWEA. As of the end of 2009, total wind capacity in the United States was approximately 35.2 GW, or enough electricity to power approximately 9.7 million homes, according to AWEA.

        As the worldwide demand for wind energy has increased over the past several decades, economies of scale and new technology have caused the installed price of wind energy to fall more than 80% over the past 20 years, according to AWEA. As a result of its increased cost competitiveness compared with other renewable technologies, wind energy represented 42% of total new energy supply in the United States in 2008, according to AWEA. The growth in U.S. demand for renewable energy has been driven by a number of factors including concerns about energy independence, environmental and climate change concerns, a desire for lower exposure to fuel cost volatility and more recently a desire for economic development.

        Many states have requirements that their energy supply consist of a specified portion of renewable energy. RPS have been enacted in 29 states and the District of Columbia and typically call for an increasing percentage of renewable energy over time. Because the state-level programs vary so much, we focus on those sub-markets within the United States that have the highest renewable energy requirements and the least access to new supply. For example, in the Northeast and California, two of our target markets there are RPS targets of between 15% and 40% by 2013 to 2020 and 33% by 2020, respectively. In June 2009, Hawaii, the third region where we operate and where we have the largest utility-scale wind energy project in the state, increased its RPS target to 40% by 2030, making it one of the highest state renewable mandates, in terms of stated percentage, in the United States, according to EER. We believe that the increasing cost competitiveness of wind energy and the growing state-level demand for renewable energy provides the potential for long-term growth of our industry.

Installed Wind Capacity

        Despite its rapid growth, wind energy capacity in the United States remains a small proportion of all electrical generation. Wind energy represented only 1.8% of total U.S. electricity production in 2009 and is expected to comprise only 4.4% of total U.S. electricity production in 2035, based on data from EIA. This represents a small portion compared with the percentage of electricity produced in 2008 by wind energy in Denmark, Spain and Germany, of approximately 18%, 11% and 8%, respectively, based on data from the Danish Energy Association and Global Wind Energy Council. Based on wind energy's relatively small portion of the U.S. electricity production portfolio, we believe that substantial growth potential in wind energy development remains.

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        According to EER, and as reflected in the chart below, installed wind capacity in the United States is expected to increase at a CAGR of 20% from 2009 through 2013, reaching approximately 72.2 GW in 2013.


Installed Wind Capacity (GW)

         GRAPHIC


Source:   Historical figures based on AWEA 2009 report and projected figures based on EER data as of October 2009.

Drivers of U.S. Wind Energy Growth

        Wind energy is a key component of the renewable energy strategy of the United States. AWEA estimates new wind projects completed in 2008 accounted for approximately 42% of the entire new power-producing capacity added in the United States. We believe the following factors are the main drivers of growth of wind energy in the United States:

        Wind turbine technology has evolved significantly over the last 20 years and we expect improved efficiencies to continue in the future as turbines become larger and more advanced. According to AWEA, the average size of installed wind turbines increased from 0.7 MW in 1998–1999 to 1.7 MW in 2008. AWEA further indicates that the cost of electricity generation from utility-scale wind systems has dropped more than 80% over the last 20 years as a result of technological advances, including:

        These technological improvements have decreased the cost of wind generation and increased the scalability of wind energy projects, increasing the amount of overall generation with fewer turbines. We expect wind turbine cost reductions and efficiency improvements to continue.

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        Set forth below is a chart with comparative cost information for electric power generation.


Comparative Cost of Electric Power Generation

GRAPHIC


Source:   "Levelized Cost of Energy Analysis—Version 3.0," website http://blog.cleanenergy.org/files/2009/04/lazard2009_levelizedcostofenergy.pdf, February 2009.

Note:

 

For each generation source, cost is calculated by taking the midpoint of the range of Lazard estimates. Reflects PTC, ITC and accelerated asset depreciation, as applicable. Assumes 2008 dollars, 20-year economic life, 40% tax rate and 5-20 year tax life. Assumes 30% debt at 8.0% interest rate, 40% tax equity at 8.5% cost and 30% common equity at 12% cost for Alternative Energy generation technologies. Assumes 60% debt at 8.0% interest rate and 40% equity at 12% cost for conventional generation technologies. Assumes coal price of $2.50 per MMBtu and natural gas price of $8.00 per MMBtu.

        The concerns about global warming caused by greenhouse gas emissions have also contributed to the growth of the wind energy industry. According to the Intergovernmental Panel on Climate Change Fourth Assessment Report, the eleven years between 1995 and 2006 ranked among the warmest since 1850. Awareness in the United States of climate change and the related effects of greenhouse gas emissions has resulted in increased demand for emissions-free energy generation. There is some political support to implement federal carbon policy in the form of a "cap-and-trade" program, although whether such a program will be enacted is uncertain. On December 7, 2009, the U.S. Environmental Protection Agency (EPA), in a step that could lead to the imposition of the first federal limits on climate-changing pollution from cars, power plants and factories, stated that there is compelling scientific evidence that global warming caused by emission of greenhouse gases endangers Americans' health. The imposition of a cap-and-trade program or other federal, state or international limits on and regulation of greenhouse gas emissions would likely drive up the costs of traditional fossil fuel energy sources and make wind power a more competitive alternative energy source.

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        Set forth below is a chart showing the levels of carbon dioxide emissions of various countries.


Total Carbon Dioxide Emissions from the Consumption of Energy in 2008
(Million metric tons carbon dioxide)

GRAPHIC


Source:   Energy Information Administration (EIA), "Total Carbon Dioxide Emissions from the Consumption of Energy", website http://tonto.eia.doe.gov/ cfapps/ ipdbproject/iedindex3.cfm?tid=90&pid=44&aid=8&cid=&syid= 2008&eyid=2008&unit=MMTCD
Note:   Values adjusted for non-fuel sequestration.

        One of the key factors contributing to the growth of wind energy in the United States is the existence of several government incentive programs and regulatory requirements at both the state and federal levels, including:

        Renewable portfolio standards.    An RPS is a program mandating that a specified percentage of electricity sales in a state or municipality comes from renewable energy. Currently, 29 states and the District of Columbia have RPS requirements, more than double the number of states with RPS requirements six years ago. For states with increasing RPS requirements over time, renewable energy is scheduled to reach a range of 10% to 40% when the programs are fully implemented. Additionally, a federal renewable portfolio requirement is included in energy legislation currently under consideration by the U.S. Congress, although its chances of enactment are uncertain.

        Some state RPS programs (25 such programs as of October 2009) operate in tandem with a credit trading system in which participants buy and sell RECs. A REC is a stand-alone tradable instrument representing the attributes associated with one MWh of energy produced from a qualified renewable energy source. Retail energy suppliers can meet RPS requirements by purchasing RECs from renewable energy generators, in addition to producing or acquiring the electricity from renewable sources. REC prices can represent a significant additional revenue stream for wind energy generators. In RPS states where a liquid REC market does not exist, renewable energy can be bought or sold through "bundled" PPAs, where the PPA price includes the price for renewable energy attributes. In states that do not have RPS requirements, certain entities buy RECs voluntarily. These RECs, which are called voluntary RECs, have a lower price than RECs where there are RPS requirements.

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        The basic proposed or enacted goals of each state's RPS program as of December 2009 are identified in the map below:

Renewable Portfolio Standards

GRAPHIC


Source:   FERC. December 2009.

Note:

 

This map illustrates proposed or enacted goals of each state's RPS program, which may be revised from time to time. The NY PSC recently voted to increase the RPS target to 30% by 2015. Alaska has no RPS.
(1)   105 MW RPS. 1,000 MW voluntary goal for renewable generation by 2010.

        American Recovery and Reinvestment Act of 2009 (ARRA).    The ARRA, which was enacted in February 2009, encourages the development of renewable energy projects in the near term by reducing financing costs and providing cash grants and tax incentives for renewable energy projects through 2012. The ARRA includes a three-year extension of wind PTCs through the end of 2012; the option to elect an ITC for up to 30% of a project's eligible capital costs in lieu of the PTC; and the additional option to receive the ITC as a cash grant from the U.S. Treasury in lieu of the ITC. According to the U.S. Treasury, approximately $2.7 billion of ARRA grants have been issued as of March 2010. We received approximately $115.1 million of ARRA grants for our Cohocton and Stetson I projects in September 2009 and approximately $120.1 million of ARRA grants for our Milford I project in March 2010.

        The U.S. Department of Energy (DOE) has loan guarantee programs under Sections 1703 and 1705 of the ARRA. These programs call for over $40 billion of DOE loan guarantees to be allocated for innovative technology authorized under the Energy Policy Act of 2005 and approximately $15 billion to be made available for commercially proven technology.

        A number of federal tax incentives encourage the development of renewable energy resources, including the following:

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        According to EIA, foreign imports provided 26% of the energy consumed in the United States in 2008. Many of the regions rich in energy supplies are politically unstable, raising public concern regarding the dependence of the United States on foreign energy imports and related threats to U.S. national security. We believe that wind energy, which supplied only 1.8% of the total electrical production in the United States in 2009, can help to decrease the dependence on foreign energy sources and satisfy a portion of the expected increased demand for electricity in the United States.

        Environmental concerns have made it difficult to build new, or expand existing, fossil fuel projects. For example, according to data gathered by Sourcewatch, a collaborative encyclopedia website, only 35 of the approximately 150 coal plants proposed in the United States between 2000 and 2006 were built or under construction by the end of 2007. Nuclear energy projects have also faced significantly increasing capital costs and steep environmental hurdles, including complications relating to the disposal of spent nuclear fuel. As a result of these hurdles and complications, no new nuclear plant has been commissioned in the United States since 1979. Wind energy, in contrast, does not create solid waste by-products, emit greenhouse gases or deplete non-renewable resources, and thus is an attractive alternative to conventional power plants. According to the DOE's report "20% Wind Energy by 2030," wind energy industry experts estimate the nation has more than 8,000 GW of available land-based wind resources that can be captured economically. EER forecasts RPS demand of 175 GW by 2020.

        The success of wind energy is heavily dependant on its cost-competitiveness vis-à-vis other renewable technologies and conventional fuels. The increasing importance of the U.S. wind market is causing a supply chain shift among global producers, several of whom have recently announced plans to build U.S. manufacturing capacity. Historically, global turbine manufacturers have assembled turbines abroad and imported them to the United States, a logistical challenge that has in the past contributed to turbine shortages and high prices. According to AWEA, as recently as 2005, 70% of the wind industry supply chain was sourced from foreign locations. By 2008, the supply chain was sourced approximately 50% from domestic manufacturers and 50% from foreign companies. We expect this trend of increased domestic turbine manufacturing to continue.

        The shift to domestic wind turbine manufacturing has been due largely to the desire of wind turbine manufacturers and developers to minimize delivery time and transportation costs, which can

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represent up to approximately 18% of the final cost of a wind project. It also reflects the growth in U.S. demand for wind turbines and government support for wind power. According to AWEA, of manufacturers with turbines installed in the United States since 2005, over 95% (measured by capacity) either operate or plan to operate turbine assembly facilities in the United States. At least 14 major wind turbine manufacturers have or have announced that they will have turbine manufacturing facilities in the United States, according to EER. Furthermore, the regulatory stability of the U.S. wind market is attracting new entrants as well. This increase in local supply has primarily occurred in the last few years and resulted in underutilization of turbine manufacturing capacity as a consequence of the recent economic downturn. With turbine supply now exceeding demand, some turbine prices have decreased up to 20% from mid-2008 levels, according to EER.

Key Attributes of Our Regions: Northeast, West and Hawaii

        Our projects are located in the Northeastern and Western regions of the continental United States and in Hawaii. These markets are characterized by relatively high electricity prices, a shortage of renewable energy and a favorable balance between wind resources and cost-effective sites to build. Approximately 76% of installed capacity in 2009 was outside of these markets. We believe that the combination of demand from aggressive RPS requirements, premium electricity pricing, and strong wind resources will create significant opportunities for attractive development activity.

        The key attributes of our regions are set forth below:

        Power and REC prices vary across regions and states. The price of electricity varies based on supply and demand dynamics, generation technology mix, costs of commodities and other inputs required to produce electricity, as well as the cost of relevant environmental laws and regulations. REC prices vary based on the relative strength of RPS programs and supply and demand dynamics. As illustrated below, we are actively developing wind energy projects to sell electricity in the five states with the highest electricity prices in the United States of those states with RPS programs.

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        The chart below contains information concerning state power prices.


State Power Prices

($/MWh)

GRAPHIC


Source:   EIA, 2009 average retail power prices by state. Data as of December 31, 2009.
Note:   Indicated fuel source reflects primary electricity price driver.

        We target markets where there is significant demand for wind generation supported by RPS programs relative to the amount of wind generation that is in the interconnection queue. A majority of our target markets, such as the ISO-NE and the New York Independent System Operator (NY-ISO) have RPS-driven demand for renewable energy that exceeds the supply of renewable energy currently proposed within the interconnection queue of each of those power markets. Based on EER estimates highlighted in the chart below, 2020 demand for renewable energy is expected to exceed the amount of supply currently in the interconnection queue by approximately 19 GW for New England and New York. In addition, the amount of supply in the interconnection queue for California, excluding solar, is 14 GW and the RPS demand in 2020 is 39 GW. This compares favorably with the Midwest Independent Transmission System Operator (MISO), the Electric Reliability Council of Texas (ERCOT) and the Southwest Power Pool (SPP), where the demand supported by RPS programs is much lower than the amount of wind generation currently in the interconnection queue as of October 2009.

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        The chart below presents renewable energy capacity in regional interconnection queues and the EER forecasted 2020 RPS demand for those regions as of October 2009.


RPS Demand vs. Major Interconnection Queues
(MW)

GRAPHIC


Note:   Includes active interconnection requests. Does not include operational projects. Other includes Biomass, Biogas (including landfill gas) and other. RPS demand estimates based on EER calculations. Interconnection queue data for Hawaii unavailable.
Source:   Emerging Energy Research

        States in our markets in the Northeast, West and Hawaii have RPS legislation that calls for approximately 70 GW of installed renewable energy capacity to be built by 2020. In comparison, according to the EIA, as of year-end 2008 installed renewable energy in the Northeast, West and Hawaii was 18 GW, excluding large hydro generation in all states except New York. Unlike other states, New York includes large hydro as a source of renewable energy.

        A number of states in the Northeast have progressive renewable energy programs, which have increased growth opportunities and demand for wind development. According to EER, RPS-driven demand for renewable energy in New England exceeds the supply of renewable energy currently in the ISO-NE interconnection queue. This has strengthened the market for RECs. For example, Massachusetts's RPS program requires that renewable energy use increase at a rate of 0.5% per year, reaching 4% of total electrical generation within the state by 2009, subsequently increasing by 1% every year thereafter to 25% by 2030. The Massachusetts program establishes a series of alternative compliance payments that began at $50 per MWh in 2003 and are adjusted for inflation ($61 per MWh in 2009). New York's RPS program is intended to address increasing concerns about New York's dependence on fossil-fuel generation and its environmental impact. The New York program calls for an increase in renewable energy used in the state from approximately 19% in 2004 to 30% by 2015.

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        Because renewable generation capacity is currently substantially below the ultimate RPS goals, significant additional renewable generation capacity must be developed within the region, particularly in the New England states, if RPS program requirements are to be met. The current RPS mandates for the New England states and New York would result in total RPS-driven demand of approximately 31 GW in 2020, according to EER. By comparison, EIA data indicates that installed renewable capacity in New England and New York was 9 GW, excluding large hydro in New England, as of year-end 2008.

        10 states in the Northeast and Mid-Atlantic participate in the Regional Greenhouse Gas Initiative (RGGI) to reduce greenhouse gas emissions from power plants in the participating states. The participating states have implemented a regional cap-and-trade program with a market-based emissions trading system. Under the program, participating states sell carbon dioxide emission allowances in regional auctions.

        Our West markets include states with progressive RPS programs that provide support for long-term wind and other renewable energy demand. The Western states that we focus on include California, New Mexico, Arizona, Nevada, Washington and Colorado. These states have RPS programs that mandate that 15% to 33% of total electric generation come from renewable energy by 2015 to 2025, depending on the state. While these states represent our end markets, our wind projects may be built in other states and transmit power across state lines. For example, our Milford I project is located in Utah and transmits power to Los Angeles, California. In addition to RPS programs, some states have supplemental requirements related to wind energy, such as New Mexico, which has a specific requirement that a minimum of 20% of the total renewable energy generation must come from wind resources. The RPS programs and supplemental requirements in these states require additional renewable energy development in order for the RPS program requirements to be met, and thus present significant growth opportunities for wind energy development.

        While we focus on several states in the West, California has historically been and remains the key end market for the majority of our projects in this region. California may face a shortage of renewable energy supply as renewable generation capacity has not kept pace with rising demand. With one of the most progressive RPS programs in the nation, California is an attractive end market for wind energy companies. California has historically been a leader in wind development, ranking third in the United States with over 9.0 GW of installed renewable generation capacity at year-end 2008, excluding capacity from large hydro generation, according to the EIA. Early adoption of an RPS target of 20% by 2017 was a key catalyst for new wind development, while a strengthened 33% RPS finalized in 2009 will make California's RPS program one of the highest in the continental United States through 2020. Based on its unique combination of competitive electricity pricing, strong renewable energy policy and excellent wind resources, California should be one of the top five wind-power markets in the United States by 2020, according to EER.

        California's RPS program currently requires 20% of retail utility power sales from investor-owned utilities to be generated by renewable sources by 2010, a requirement that can be satisfied in part with power imported from other Western states, including Utah, Wyoming, New Mexico, Nevada and Oregon. As of December 2009, California's investor-owned utilities were forecasted to fall short of their 2010 and 2020 renewable resources requirements of 20% and 33% respectively unless they add renewable resources at a much faster pace, according to the California Energy Commission (CEC). Penalties under California's RPS program for an RPS procurement deficit are $50/MWh, up to $25 million per year. The current RPS requirements for California would result in total RPS-driven demand of approximately 39 GW in 2020, according to EER. The majority of new renewable capacity is expected to be delivered by wind and solar energy, given the characteristics of this region. By comparison, EIA data indicates that installed renewable capacity was 9 GW, excluding large hydro, as of year-end 2008.

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        California's Global Warming Solutions Act of 2006 seeks to lower California's greenhouse gas emissions to 1990 levels by 2020, caps greenhouse gas emissions from major industries and imposes significant penalties for non-compliance. California also enacted a law in 2006 prohibiting utilities from making long-term commitments for electricity generated by plants that do not comply with the greenhouse gas emission performance standards established by the CEC. The law applies to out-of-state power purchases as well as in-state power purchases and is expected to have an adverse impact on California's ability to purchase power from coal-fired power plants.

        Hawaii is a strong market for wind energy. In June 2009, Hawaii expanded its RPS to 40% by 2030, making it one of the most aggressive state renewable requirements in the United States. State goals for renewable generation are even stronger. In addition, although no legislation has been adopted, in January 2008 the Governor of Hawaii announced plans to achieve 70% of electricity sales from renewable sources by 2030.

        According to EIA, Hawaii receives approximately 77% of its power from fuel oil generation and 14% of its power from coal. As a result, a significant and rapid shift to renewable energy capacity would be required to meet the state's stringent standards. Because oil is the predominant source for electricity in Hawaii, oil prices are the primary driver of local electricity prices. Hawaii imposes an oil import tax. The cost of oil in Hawaii is further compounded by the costs of transporting oil to and between its islands. The volatility and escalation of global oil prices directly correlate to volatile and increasing electricity prices in Hawaii.

        The current RPS requirements for Hawaii would result in total RPS demand of approximately 900 MW in 2020, according to EER, the majority of which is expected to be delivered by wind energy. By comparison, EIA data indicates that installed renewable capacity, excluding large hydro, was 239 MW as of year-end 2008. Based on the limited availability of sites and the number of wind projects in the planning stages, we believe developers with an established presence in Hawaii have a significant advantage in this market.

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BUSINESS

Overview

        We are an independent wind energy company focused solely on the development, financing, construction, ownership and operation of utility-scale wind energy projects in the United States. Our projects are located in the Northeastern and Western regions of the continental United States and in Hawaii. We have focused on these markets because we believe they provide the potential for future growth and investment returns at the higher end of the range available for wind projects. These markets are characterized by relatively high electricity prices, a shortage of renewable energy and sites with good wind resources that can be built in a cost-effective manner. Moreover, we have focused our efforts on projects and regions with significant expansion opportunities, often enabled by transmission solutions that we have developed and built.

        As of March 31, 2010, we operated seven projects with combined rated capacity of 504 MW, and we owned two lines that connect projects to the electricity grid (generator leads) with transmission capacity of approximately 1,200 MW. In 2009, we doubled the number of projects in our operating fleet, adding three new projects with an aggregate capacity of 386 MW. Two of these projects, Milford I, which sells power from Utah into Southern California, and Stetson I, which sells power in New England, include wholly-owned generator leads we had built in anticipation of expanding these projects. In March 2010, we commenced commercial operations of a seventh project, Stetson II, an expansion project in Maine with 26 MW of capacity.

        We manage our business with a team of professionals with experience in all aspects of wind energy project development, financing, construction and operations. We have a track record of selecting projects from our development pipeline and converting them into operating projects that we believe will meet our financial return requirements. By the end of 2010, our goal is to have six additional projects with 268 MW of capacity operating or under construction.

        We target having approximately 1,000 MW of projects operating or under construction by the end of 2011. Thereafter, we target adding approximately 300 to 400 MW of operating/under-construction capacity each year to achieve our goal of having an operating/under-construction fleet in excess of 2,000 MW by the end of 2014. Expansions of current operating and under-construction projects make up approximately 51% (measured by capacity) of our targeted 2010-2011 projects. See "—Our Development Process" and "—Our Portfolio of Wind Energy Projects."

        Wind energy project returns depend mainly on the following factors: energy prices, transmission costs, wind resources, turbine costs, construction costs, financing cost and availability and government incentives. In applying our strategy, we take into account the combination of all of these factors and focus on margins, return on invested capital and absolute value creation as opposed solely to project size. Some of our projects, while having high construction costs, still offer attractive returns because of favorable wind resources or energy prices. Additionally, in many cases, smaller, more profitable projects can create as much absolute value as do larger, lower-returning projects. We assess the profitability of each project by evaluating its net present value. We also evaluate a project on the basis of its Project EBITDA, as described under "Management's Discussion and Analysis of Financial Condition and Results of Operations—How We Measure Our Performance" as compared with the project's development and construction costs.

        We closely manage our commodity price risk and generally construct wind energy projects only if we have put in place some form of a long-term PPA and/or financial hedge to manage commodity risk. Approximately 85% of estimated revenues through 2011 from our current operating projects are hedged. We plan to hedge approximately 90% of the estimated revenues for 2011 for the six projects we plan to have under construction in 2010. See "Business—Revenues; Hedging Activities."

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        The United States is one of the largest and fastest growing wind energy markets. In 2008 the United States surpassed Germany as the largest market for wind energy in the world, as cumulative installed wind energy capacity increased approximately 51% and accounted for 42% of all new energy supply in the United States, according to AWEA. Moreover, our markets are among the highest growth U.S. markets due to state mandated RPS-driven demand, premium electricity pricing, a shortage of renewable energy and strong wind resources. States in our markets in the Northeast, West and Hawaii have RPS legislation that calls for approximately 70 GW of installed renewable energy capacity to be built by 2020.

        We classify each project into one of the following three categories based on the project's stage of development: operating/under-construction, Tier 1 and Tier 2. We use these categories to estimate our annual installed capacity and energy generation and for planning purposes, including allocation of capital to projects. For information regarding the criteria we use to put projects in these categories, see "—How We Classify Our Projects."

        A summary of our projects, as of December 31, 2009, is set forth below:

 
  Northeast   West   Hawaii    
 
Stage of Development(1)
  Actual or In Development
Capacity(2)(3)
(MW)
  Actual or In Development
Capacity(2)(3)
(MW)
  Actual or In Development
Capacity(2)(3)
(MW)
  Total  

Operating/Under-

                         

Construction

                         
 

Operating

    244     204     30     478  
 

Under-Construction(4)

    26     0     0     26  

Tier 1(5)

    140     102     51     293  

Tier 2(5)

    502     3,183     70     3,755  
                   

Total

    912     3,489     151     4,552  
                   

(1)
Our ability to complete our projects and achieve anticipated capacities is subject to numerous risks and uncertainties as described under "Risk Factors." We are unlikely to complete all of the projects in our current development pipeline, while some of the projects we are likely to develop in the future are not in our current pipeline.

(2)
As a result of wind and other conditions, a project or a turbine will not operate at its rated capacity at all times and the amount of electricity generated will be less than its rated capacity.

(3)
For information on noncontrolling interests in our projects see Note 5 to our consolidated financial statements.

(4)
Stetson II, our 26 MW capacity expansion project in Maine, commenced commercial operations in March 2010.

(5)
All of our Tier 1 projects are 2010 projects, except a 40 MW project in Maine, which is not scheduled to start construction until 2011. One Tier 2 project (Steel Winds II, a 15 MW project) is scheduled to start construction this year and is also included in our 2010 projects. For a discussion of 2010 projects see "Business—Our Portfolio of Wind Energy Projects—2010 Projects."

        We believe our development pipeline of over 4,000 MW should enable us to meet our 2014 goal of having an operating/under-construction fleet of 2,000 MW. We have land rights for 85% of our development pipeline and meteorological data for nearly 90% of our development pipeline, in the majority of cases covering at least three years. We have also conducted preliminary environmental screening for all of our projects. We are unlikely to complete all of the projects in our current development pipeline, while some of the projects we are likely to develop in the future are not in our current pipeline. Our ability to complete our projects and achieve anticipated generation capacities is subject to numerous risks and uncertainties as described under "Risk Factors."

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Our Regions

Northeast

        Our Northeast region includes New England and New York. We believe this region is one of the more attractive wind energy markets in the United States due to its relatively high electricity prices, tightening supply of renewable energy relative to demand and progressive renewable energy legislation. Every state in the Northeast region (other than Vermont) has an established RPS program and associated market for RECs. These programs have led to increased demand for wind energy development in these states.

        In addition, the geographic proximity and interconnectivity of the various power markets within the Northeast, together with highly liquid electricity trading markets, gives projects within the region the flexibility to deliver power into and qualify RECs in different markets within the region.

        The Northeast has relatively limited utility-scale development opportunities due to its population density and modest wind resources. Additionally, transmission limitations constrain future increases in wind generation capacity. However, given our pipeline of projects and proven success in developing, constructing and operating wind energy projects in this region, we believe our business is well positioned for continued growth in this region. Furthermore, the transmission infrastructure we own should allow us to efficiently and economically expand in this region. We believe the relative difficulty in developing wind energy projects in this region further strengthens our position as an early entrant in this market.

        For information regarding the Northeastern market, see "Industry—Key Attributes of Our Regions: Northeast, West and Hawaii."

West

        Our West region consists of the far west and Rocky Mountain states. Of these, California is the largest electricity market in the region. California may face a shortage of renewable energy supply as renewable generation capacity has not kept up with rising demand for renewable energy. With one of the most progressive RPS programs in the nation, California is an attractive market for renewable energy generators. However, recent bottlenecks in siting and permitting renewable energy projects have led to relatively small additions of new capacity. EER forecasts long term growth of renewable energy capacity in California will be driven by state transmission projects and programs such as the California Renewable Energy Transmission Initiative and the Western Renewable Energy Zones as well as developer-driven private transmission solutions. EER estimates that the state will add more than 8 GW of new transmission capacity through 2020.

        We have developed a private transmission platform in the West, which enables us to deliver a significant amount of wind energy generation to the California market. We have a long-term PPA with the Southern California Public Power Authority (SCPPA) to supply 20 years of power to the cities of Los Angeles, Burbank and Pasadena from our Milford I project in Milford, Utah and completed an 88-mile, 1,000 MW generator lead to transmit our wind energy to California. Milford I is a 204 MW project that achieved commercial operation in November 2009. Given the capacity of the Milford generator lead, we can expand our Milford platform to deliver another 750 MW of wind energy to California. The Milford II expansion project, which is described later in this section, has a capacity of 102 MW and is expected to begin construction in 2010.

        While California is the largest market in the West and presents a significant opportunity for wind energy, we are actively developing projects in the West to serve states other than California. These projects are largely Tier 2 projects.

        For information regarding the Northeastern market, see "Industry—Key Attributes of Our Regions: Northeast, West and Hawaii."

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Hawaii

        We believe the Hawaii market offers a unique opportunity for us, as the state's high electricity prices and excellent wind resources offer potential for wind projects with attractive returns. The state currently generates approximately 91% of its electricity from oil and coal-based technology. To reach the state's 2030 RPS target of having 40% of Hawaii's electricity generation come from renewable energy, a large percentage of fossil-fuel electricity generation will need to be replaced with RPS eligible technologies such as wind.

        Today there is approximately 63 MW of wind capacity in Hawaii; 30 MW of which comes from our KWP I project, the single largest wind energy project in Hawaii. We believe that conditions for developing wind energy projects in Hawaii strengthen our position as an early entrant in this market. There are relatively few buildable wind sites in the state and we believe developers with an established presence have a significant competitive advantage. We believe our development experience and knowledgeable staff in Hawaii, coupled with our platform in Hawaii, should position us for future growth in this market.

        For information regarding the Northeastern market, see "Industry—Key Attributes of Our Regions: Northeast, West and Hawaii."

Revenues; Hedging Activities

        We generate revenues from the sale of electricity from our operating projects and from the sale of RECs generated by these operations. Approximately 85% of estimated revenues for our current operating projects are hedged through 2011. We plan to hedge approximately 90% of estimated revenues for 2011 for the six projects we plan to have under construction in 2010. For information regarding our hedging activities, see "Management's Discussion and Analysis of Financial Condition and Results of Operations—Factors Affecting Our Results of Operations, Financial Condition and Cash Flows—Power Purchase Agreements and Financial Hedging."

        We typically sell the power generated by our projects (sometimes bundled with RECs) either pursuant to PPAs with local utilities, power companies and other entities or directly into the local power grid at market prices. Our PPAs have initial terms ranging from five to 20 years with fixed prices, market prices or a combination of fixed and market prices. We also seek to hedge a significant portion of the market component of our power sales revenue with financial swaps.

        The RECs associated with renewable electricity generation can be sold. In some states, we sell RECs to entities that must purchase specific quantities of RECs to comply with state or municipal RPS programs. Currently 25 states and the District of Columbia have adopted RPS programs that operate in tandem with a credit trading system in which generators sell RECs associated with the renewable power they generate in excess of state-mandated requirements.

        In addition to PPAs, we enter into derivative contracts to hedge future electricity prices to mitigate a portion of the risk of market price fluctuations we will have by selling power at variable or market prices. We currently have entered into three financial swaps with a remaining weighted average tenor of approximately seven years, which will collectively hedge approximately 65% of our expected generation during the term of the swaps at Cohocton I, Steel Winds I and Stetson I and II. We intend to enter into additional financial swaps to hedge a similar percentage of expected generation for our other Tier 1 and Tier 2 projects that will sell power in liquid ISO markets as they near commercial

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operations. We have also entered into an oil swap with a remaining tenor of approximately four years to hedge future oil prices to mitigate a portion of the risk of market price fluctuations associated with our power generation at Kaheawa Wind Power I, the pricing of which is largely tied to the costs that Maui Electric Company (MECO) avoids by substituting our electrical production for the production it otherwise would have to generate by burning fossil fuels. For additional information regarding our hedging activities, please read "Management's Discussion and Analysis of Financial Condition and Results of Operations—Quantitative and Qualitative Disclosure about Market Risk."

Strategy

        Our business strategy is to build a diverse portfolio of operating projects and development opportunities. We seek opportunities where, if we are able to execute successfully, we will be able to generate attractive returns for our stockholders. These returns depend mainly on the following factors:

        We intend to pursue the following objectives to execute our strategy.

        We have identified and are developing a broad pipeline of projects in our markets, including expanding our operating projects in existing locations, and we intend to continue developing our existing pipeline of projects and increasing the number of operating projects. We focus on expansion projects because we believe they present lower execution risks than other projects. This is due to factors including our experience with the wind resources at the project site, as well as our clearer understanding of how to address particular community stakeholder concerns. We target having approximately 1,000 MW of projects operating or under construction by the end of 2011. Thereafter, we target adding approximately 300 to 400 MW of operating/under-construction capacity each year to achieve our goal of having an operating/under-construction fleet in excess of 2,000 MW by the end of 2014. Expansions of current operating and under-construction projects make up approximately 51% (measured by capacity) of our targeted 2010-2011 projects. We are unlikely to complete all of the projects in our current development pipeline, while some of the projects we are likely to develop in the future are not in our current pipeline. Our ability to complete our projects and achieve anticipated generation capacities is subject to numerous risks and uncertainties as described under "Risk Factors."

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        States in our markets in the Northeast, West and Hawaii are undergoing significant growth, which we expect to continue, reaching 70 GW of RPS-driven demand by 2020. In order to capitalize on this expected growth, we intend to identify and create a new pipeline of diverse development project opportunities in financially attractive markets, including those with relatively high electricity costs or a shortage of renewable energy and sites with good wind resources that can be built in a cost effective manner. Our team of developers focuses our prospecting and development efforts on identifying new opportunities and acquiring existing wind energy assets that we believe will meet our financial return requirements in these markets.

        Our generator lead assets and capabilities are enabling us to develop projects in areas that would otherwise present significant transmission challenges, and we intend to continue to develop, own and operate generator leads connecting our projects to third-party electricity networks. We have built two generator leads that provide us with significant opportunities for future development. Our Stetson generator lead has approximately 115 MW of capacity available for our future expansion projects, and our Milford generator lead has approximately 750 MW of capacity available for our future expansion projects. In 2010, we plan to build expansion projects using both the Stetson and Milford generator leads, leaving 700 MW of additional capacity on these lines for our future expansion projects.

        We intend to continue to maintain control over both the construction and operational phases of our projects, because we believe exercising this control enhances our credibility, allows us to make rapid decisions and strengthens our relationships with landowners, local communities, regulators and other stakeholders. For construction projects, we manage and mitigate budget and schedule risks through arrangements with contractors that have significant experience constructing wind energy projects. We also work closely with the manufacturers of our turbines with the goal of enhancing the operating performance of our fleet.

        We believe that stabilizing our revenues enhances our ability to obtain long-term, non-recourse financing for our projects on attractive terms. We therefore enter into long-term PPAs with utilities and electricity consumers, and, through the use of financial derivatives, we hedge our exposure to market prices for electricity. Both of these activities help to insulate our revenue stream against commodity price volatility. In addition, we seek to maximize the value of the RECs we generate by selling our electricity into markets that have higher RPS requirements and strong markets for RECs. We intend to continue to pursue each component of our revenue stabilization strategy, which we believe benefits us, our lenders and our tax equity investors.

        We believe that developing a substantial local presence in our markets, and encouraging substantial community stakeholder involvement, is critical to the success of each individual wind energy project because negative community sentiment can be a factor in project delays and increased costs. Through our locally deployed development teams, we work cooperatively with the communities where our projects are located to more fully understand each community's unique issues and concerns. We begin community outreach at an early stage of each project to better assess a project's feasibility, and we continue our efforts through the operating stage in order to enhance our ability to complete and operate a project successfully. This outreach often includes substantial interaction with local

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government officials, community groups and local media, as we explain our plans, our track record and the benefits that we believe will accrue to the community, and we endeavor to respond to concerns that community members may express such as concerns about the environmental impact of our projects.

        Our business is capital intensive and requires ongoing access to debt and equity capital markets to build our projects. We believe we demonstrated our capacity to do this during the difficult financial market conditions in 2008 and 2009, and we will continue to seek third party financing in order to grow our portfolio.

Competitive Strengths

        We believe there are significant opportunities for growth in the U.S. wind energy industry in general and in our markets in particular, and we intend to use the following strengths to capitalize on these opportunities.

        Over the past several years we believe we have established a track record for developing complex wind energy projects in each of our three markets. Our project development strategy sometimes includes the construction of generator leads as in the case of Stetson I and Milford I, or the structuring and negotiation of creative financing and risk management solutions as in our PPA with SCPPA for Milford I. In certain cases, as in KWP I, we took over projects from other developers who were unable to complete them. We believe that this particular strength will help us obtain financing for projects that present technical or operational challenges, and thereby make it possible for us to take advantage of opportunities that might not be available to other wind energy competitors.

        Wind energy project development and construction are capital intensive and require access to a relatively constant stream of financing, making our ability to access capital markets efficiently and effectively crucial to our growth. We cannot be sure that financing will be available to us on attractive terms when we require it, and the recent worldwide financial and credit crisis has reduced the availability of liquidity and credit. The difficult market conditions that began in the fall of 2008 have persisted. However, since the beginning of 2009, we have refinanced, raised or received approximately $2.0 billion for our company and projects in 17 refinancing and new capital-raising activities and customer prepayments.

        We believe the markets in which we are already established—the Northeast, West and Hawaii—present significant growth opportunities because these markets are characterized by high electricity prices, a shortage of renewable energy and sites with good wind resources that can be built on cost-effectively. Many of our projects have significant expansion opportunities, and expansions of our current operating and under-construction projects make up approximately 51% (measured by capacity) of our targeted 2010-2011 projects. Expansions of existing projects allow us to capitalize on our site-specific knowledge of wind resources as well as our familiarity and relationships with the local community. Moreover, in some cases we will be able to use our existing generator leads to connect with the regional electricity grid. Each of these factors helps to minimize a project's execution risk and helps us to arrange the required financing.

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        We have secured sufficient turbines to execute our 2010 project plan, and through our November 2009 agreement with Clipper, we have achieved a position of relatively few turbine commitments compared with prior periods. See "Management's Discussion and Analysis of Financial Condition and Results of Operations—Recent Developments." We therefore believe we are well positioned to take advantage of current conditions in the turbine market, which we believe is over-supplied. As a result, we have not entered into firm commitments to purchase turbines for projects in our development pipeline after 2010. Instead, we have agreements in place that give us the right, but not the obligation, to purchase additional turbines after 2010, allowing us to cancel our turbine orders with the forfeiture of deposits. We believe this gives us flexibility to acquire turbines at attractive prices and on favorable terms.

        Our management team, which holds a meaningful equity stake in our company, is experienced in all aspects of the wind energy business. Over the past two years, we have added several key personnel to our team, primarily in the areas of construction, operations and finance. We believe we can achieve our operating/under-construction fleet goal of over 2,000 MW by the end of 2014 without significant additions to headcount and overhead costs related to non-operating activities.

Our Development Process

        There are several key activities that occur throughout our development efforts as we move projects from development to construction to operation—many of which we undertake concurrently. These activities include: prospecting; wind resource assessment; land rights procurement; revenue stabilization; turbine procurement; transmission and interconnection solutions; permitting; engineering, procurement, construction oversight and commissioning; operations, maintenance and asset management.

GRAPHIC

        As progress is made for a project we advance it through our project classification system, as described in "—How We Classify Our Projects."

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        We evaluate projected investment returns during all stages of the development process and allocate capital among projects in a manner designed to optimize our overall investment returns. We also consider how projects will be financed. For additional information regarding our project financing activities, see "Management's Discussion and Analysis of Financial Condition and Results of Operations—Factors Affecting Our Results of Operations, Financial Condition and Cash Flows—Financing Requirements."

        Prospecting is the earliest activity in our development process. It occurs before we classify a project as Tier 2. Many projects never reach the Tier 2 category. Prospecting involves a broad, high-level review of potential sites for their suitability for wind energy development. We make our initial assessments of potential sites based on a number of criteria, including wind resource suitability; constructability; access to transmission networks; site size and location; land ownership; and environmental, zoning and other local and state laws and regulations, including available state-sponsored RPS programs. We also consider the capital cost, size and expansion opportunities at a proposed site and our view of the relevant markets for electricity and RECs. Our in-house meteorology, real estate, construction and transmission teams conduct initial reviews of publicly available information, including wind reports, land records, topographical maps and power transmission maps. They also use our proprietary data to identify significant impediments that could result in a project's failure to meet our investment objectives.

        An important part of the prospecting process is an initial environmental screening, also referred to as a fatal flaw analysis. This is usually conducted using publicly available information, sometimes supplemented with a site visit, to identify documented or readily apparent environmentally sensitive areas. These areas include unique wildlife habitats, wetlands, culturally significant resources and proximity to wildlife reserves, national parks and scenic areas not generally suitable for commercial development. Prospecting may also include a preliminary assessment of a project's potential hazard to aviation safety. Once a site passes this initial review, we begin more detailed site-specific environmental assessments in connection with our permitting efforts and establish constraints for turbine siting and civil and site engineering. These typically include detailed mapping of environmental and cultural resources, studies to determine use of the site by migratory or sensitive wildlife and mapping of adjacent residential and other development, all aimed at our being able to operate a potential project safely without negatively affecting the local environment.

        We begin a wind resource assessment at the earliest stage of the development process. We base our initial assessment of the available wind resources on a review of publicly available wind maps. If the results of the initial assessment are positive, we seek to install meteorological towers to obtain long-term site-specific wind data and make wind resource estimates. Our own regional meteorological tower field teams install, maintain and decommission our meteorological towers. We have meteorological data for nearly 90% of our development pipeline, and of such data, for our Tier 1 development projects as of December 31, 2009, 100% is for three or more years, while for Tier 1 and Tier 2 projects on a combined basis, 65% of such data is for one or more years and 57% is for three or more years. Our in-house meteorological team also prepares computer models to estimate potential wind levels. In order to obtain financing, we will also seek third-party assessments at later stages of a project's development.

        Land rights procurement begins during the prospecting process. Land rights include all necessary agreements (such as leases, options, easements and letters of intent) needed to construct and operate

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the project, including those associated with turbines, transmission and collection lines, access roads, facilities and any other easements that may be required. We use publicly available data or prior experience to determine if there are any known impediments to securing the land rights we need. From there, we conduct initial meetings with local landowners, government officials, community representatives and residents to gauge community support. If these meetings are favorable, we generally enter into land leases or easements with landowners to secure necessary rights to build on the site, including meteorological towers, roads, electric lines and substations, turbines, operation and maintenance facilities and associated facilities. These contracts usually have an initial term of 20 to 30 years from the commencement of commercial operations with an option for us to extend for an additional 20-year period. They generally require minimum annual lease payments during the development period, minimum payments per turbine or MW during the construction phase, and additional royalty payments based upon a percentage of the project's revenues during the operation phase. In some instances, we enter into option agreements or easements with landowners to obtain access to the project site rights to construct, operate and maintain the wind energy project and/or collection systems and generator leads or other access to transmission facilities. We have projects in development well in excess of our annual targets through 2014, with land rights for 85% of our development pipeline and no known material impediments to obtaining contractual control of the balance.

        To make it more likely that a project will meet our investment return objectives and to protect against electricity price volatility, we review the electricity sales alternatives for each project. We decide whether to enter into a long-term PPA with an electric utility or other user, or to sell the power into the market and enter into a long-term financial hedge linked to electricity prices to secure our financial returns and stabilize project revenue streams, or both. For example, in California, we entered into what we believe to be the first third-party long-term, pre-paid PPA with a public utility for a wind energy project, which allowed us to secure our revenue stream and fund construction of the project. We also have a long-term PPA with Harvard University to sell half of the electricity and RECs generated by our Stetson II project. When we can sell our electricity to power markets that are sufficiently liquid, we analyze hedging opportunities available to us later in the development process, such as long-term power swap agreements.

        We have secured sufficient turbines to execute our 2010 project plan. In the past, we entered into commitments to acquire turbines well in advance of deployment. Because we believe the turbine market is currently over-supplied, we have elected not to enter into firm commitments to purchase turbines for projects in our development pipeline after 2010. Specifically, we have maintained the right, but not the obligation, to buy turbines from Clipper for up to 633 MW of additional deliveries between 2011 and 2015, subject to the forfeiture of up to $89.5 million in deposits and progress payments that we have made and are scheduled to make to Clipper, if we decide not to buy any additional turbines from them. We believe this gives us flexibility to acquire turbines at attractive prices and on favorable terms.

        Since the availability of transmission infrastructure and access to a power grid or network are critical to a project's feasibility, we ascertain transmission capacity from public sources and our own proprietary data during the prospecting stage. If existing transmission infrastructure is available, we attempt to secure access to it when we select a potential site for development either during our prospecting activities or during the Tier 2 stage. We discuss availability with the relevant utilities and

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file an application with the appropriate independent system operator (ISO) or local electric utility to interconnect with the network. If transmission infrastructure does not exist or is not available for a project, we study the feasibility of developing and constructing our own generator lead. We built a 200 MW-rated 38-mile 115 kV generator lead in Washington County, Maine as part of our 57 MW Stetson I project, establishing sufficient excess capacity to accommodate up to 140 MW of our future expansion projects, including our 26 MW Stetson II project, which commenced commercial operations in March 2010. In Beaver and Millard Counties, Utah, we developed and built an approximately 88-mile 1,000 MW-rated 345 kV generator lead, with sufficient capacity to accommodate up to 750 MW of our future expansion projects, including our 102 MW Milford II project.

        Once we have selected a site, we begin the permitting process with relevant local, state and federal government agencies. This process includes identifying required permits; holding preliminary informational meetings with permitting agencies and stakeholder groups; determining the studies needed for permit applications and conducting the studies; preparing environmental permitting and disclosure reports; participating in public meetings; responding to information requests; and seeking project approval. We also complete preliminary design engineering, taking into account environmentally sensitive areas to avoid or minimize adverse impacts. Because the permitting process is costly and time consuming, we review all aspects of the project, including our projected investment returns, before committing significant resources to these efforts. To date, we believe we have received all material permits for our operating/under-construction projects, as well as several of our Tier 1 projects.

        Permitting at the local municipal or county level often consists of obtaining a special use or conditional use permit under a land use ordinance or code, or, in some cases, rezoning in connection with the project. Obtaining a permit usually depends on our demonstrating that the project will conform to development standards specified under the ordinance so that the project is compatible with existing land uses and protects natural and human environments. To facilitate this process, we work to build a positive relationship with the community and address any concerns. We also create project-specific websites and host community outreach meetings to provide the community with pertinent information.

        Our projects are often subject to state-level permitting requirements. These requirements may include comprehensive environmental reviews or may be limited to a specific regulatory program, or may involve both. State level comprehensive reviews typically take from six to 24 months from the date of filing to approval. Additional approvals may be required for specific aspects of a project, such as stream or wetland crossings, storm water management and highway department authorizations for oversize loads and state road closings during construction. Permitting requirements related to transmission lines may be required in certain cases.

        Projects may also require federal approvals related to the potential effect of projects on aviation, the environment, endangered species and navigable waters. For additional information regarding required regulatory and environmental reviews, permits and laws, see "—Regulatory Matters" and "—Environmental Regulation."

        Once a permit or other governmental approval has been granted, it may be appealed or challenged. The amount of time that may be needed to resolve an appeal can vary considerably.

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        We manage the design and construction of our projects. Construction consists of turbine installations, substation construction, interconnection work, construction of the rest of the facility, referred to as balance of plant, and, in certain cases, construction of long generator leads to connect our facility to a third-party electrical grid or network. We generally outsource turbine installation and the remaining construction to outside contractors. The contractors provide the management, supervision, labor, certain materials, tools, engineering, mobilization, testing and demobilization required to construct the project. Construction typically takes approximately seven to 15 months, with adverse weather conditions causing the largest variation in estimated completion dates. Our employees supervise and oversee all aspects of construction. Commissioning occurs immediately prior to the completion of a wind energy project. It involves testing each turbine's operation and integration within the project and to the transmission system.

        Once commissioning is completed, the turbine supplier typically operates and maintains the turbine under a two to five-year operating agreement that runs concurrently with the turbine warranty. Such operating agreements usually include a guarantee of a turbine's availability to generate electricity a specified percentage of the time. The level of electricity generation covered by the availability guarantees is usually lower during the first several months of operation to allow for issues arising during the initial operation of newly-installed turbines that need to be addressed. While the turbine manufacturer is on-site operating and maintaining the turbines, we oversee the project, including management of the turbine suppliers; compliance with North American Electric Reliability Corporation (NERC), Federal Energy Regulatory Commission (FERC), ISO, regional transmission organization (RTO) and state regulations; relations with landowners; and maintenance of insurance policies. Following the expiration of the supplier operating agreements, we will need to operate and maintain the turbines directly. We have established two data analysis control centers in Temecula, California and Boston, Massachusetts, which control the operations of our turbines at all times.

Project Financing

        The chart below provides a generic illustration of the various project finance structures we typically employ as a wind energy project moves through its lifecycle, from development to construction and finally into operation. As illustrated below, the final financing structure differs depending on whether

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we elect to monetize the project's PTCs in the form of a tax equity financing or instead apply for an ARRA grant:


Lifecycle of a Typical Project Financing

GRAPHIC


Note:    The sizes of the figures in this diagram are not indicative of relative amounts financed.

(1)
The need for a turbine supply loan depends on the conditions of the turbine market, see "Management's Discussion and Analysis of Financial Condition and Results of Operations—Factors Affecting Our Results of Operations, Financial Condition and Cash Flows—Turbine Supply and Pricing."

        We have historically funded our project development expenses with equity. These costs primarily consist of land assembly, permitting activities, interconnection studies, meteorological studies, PPA negotiations and community outreach. In the future, we expect to fund the development of our projects with a combination of existing cash, cash flows from operations, debt financings, and the proceeds of this offering.

        Historically we have needed to secure turbine orders at an early stage of a project's development. We used turbine supply loans to finance approximately 70%-80% of turbine progress payments, in advance of actual construction. This practice was prevalent in our industry due largely to excess demand for turbines and long lead times. These conditions have eased. We believe that, as a result of recent changes in the credit markets, turbine supply loans will increasingly be made for, and collateralized by, individual projects. This may require us to make a larger initial equity investment. However, we expect that our need to make long-term capital commitments to turbine purchases far in advance of anticipated delivery will be reduced.

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        Once a project moves to the construction phase, we typically use a combination of equity capital and construction loans to finance the construction of the project. Proceeds from the construction loan fund construction and installation costs, including retirement of related turbine supply loans, through commencement of commercial operations. Construction loans are short-term and typically appear as current debt on the balance sheet; however, as a prerequisite to funding, a construction lender usually requires that there be a committed term financing at commencement of commercial operations, which mitigates refinancing risk.

        Once a project has commenced commercial operations, we currently finance the majority of a project's costs through a combination of the ARRA grants, term loans, and tax equity financing transactions, and prepayments for energy, the proceeds of which are used to retire the construction loans and, in some cases, provide for a return of a portion of equity capital. The percentage of each of these forms of long-term financing varies by project.

        A recent development in financing our projects is the availability of U.S. Treasury grants under the ARRA. These grants are provided in lieu of the ITC and cover 30% of ITC-eligible project costs, namely the costs of constructing energy-producing assets, which are usually approximately 90% of a project's total cost. Grants are available for projects placed in service in 2009 and 2010. Projects that commence construction in 2009 or 2010 and are placed in service before 2013 are also eligible. In 2009, we received ARRA grants of approximately $115 million for our Stetson I and Cohocton projects and in March 2010, we received an ARRA grant of approximately $120 million for our Milford I project, which became operational in November 2009. Additionally, in April 2010 we applied for an ARRA grant for our Stetson II project.

        A form of non-recourse project finance debt, term loans are sized against project-level cash flows and typically fully amortize in 10 to 12 years. We believe term loans at our operating projects are our least expensive and most attractive source of capital. We have historically used term loans to finance our projects on both a standalone basis and in combination with tax equity. We have also used multiple levels of term debt, as is the case with Cohocton, Stetson I, Stetson II and Steel Winds I, which have been financed by a combination of senior debt at the project level as well as structurally subordinated debt at CSSW, LLC, our subsidiary that owns Cohocton I, Stetson I, Stetson II and Steel Winds I.

        Tax equity is a structured finance product that allows a wind energy project owner to monetize tax attributes that exceed the owner's federal income tax liability. The most common structure is through a "partnership flip" transaction where the project owner sells a noncontrolling ownership interest in the project subsidiary to an investor. The investor is typically allocated 99% of the tax attributes and most of the project's cash flows until it reaches a target internal rate of return, after which the investor's ownership interest in the project drops to a nominal value, usually 5%, and the owner of the controlling interest has an option to repurchase the investor's remaining interest at the then-current fair market value. Tax equity partnerships are extremely important for PTC structures, but less important for ARRA grant structures, where the grant effectively monetizes the tax credit through a cash payment to the project owner. However, tax equity structures may be utilized in combination with the ARRA grant to monetize accelerated depreciation benefits.

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How We Classify Our Projects

        We classify our projects into the following three categories based on their stage of development:

        We use these categories to estimate our annual installed capacity and energy generation and for planning purposes, including allocation of capital to projects. We engage in prospecting activities, involving a broad, high level review of potential sites that may be suitable for wind energy development. We do not include these prospecting activities in our pipeline.

        We assess our projects during each of these stages to determine or confirm its suitability for development. We commit resources to those projects in which we have a high level of confidence. We often decide not to proceed with projects as a result of one or more factors. These decisions primarily occur during prospecting or the Tier 2 stage, but can occur during any developmental stage. We regularly look at and actively consider, but ultimately decide to abandon, many projects representing possible capacity several times larger than the capacity in our development pipeline. The development and construction of wind energy projects involve numerous risks and uncertainties, some of which are beyond our control, and these risks and uncertainties may prevent projects in our current pipeline from reaching completion. We are unlikely to complete all of the projects in our current development pipeline, while some of the projects we are likely to develop in the future are not in our current pipeline. See "Risk Factors—Risks Related to Our Business and the Wind Energy Industry."

        Our operating projects have finished construction and commissioning and have achieved their commercial operations date. We currently have seven operating projects with 504 MW of capacity. By the end of 2010, our goal is to have six additional projects with 268 MW of capacity operating or under construction. Our ability to achieve this goal is subject to numerous risks and uncertainties. See "Risk Factors."

        We believe we will complete each of our Tier 1 projects. For a project to reach the Tier 1 stage, we must have completed or be in the process of completing the key development activities. For us to classify a project as Tier 1, all or substantially all of the following milestones must have been achieved:

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        We currently have an aggregate of approximately 3,750 MW of potential capacity that we classify as Tier 2 projects. Projects included in the Tier 2 category have met all or substantially all of the following milestones:

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        A summary of the land under contract, wind data and environmental assessment status for each of the Tier 1 and Tier 2 projects in our development pipeline at December 31, 2009 is set forth below.

Stage of Development
  Land Under
Contract
  % of MW
with more than
One Year of
Wind Data
  % of MW
with more than
Three Years of
Wind Data
  Early-Stage
Environmental
Screening
 

Tier 1

    92 %   100 %   100 %   100 %

Tier 2

    84 %   63 %   53 %   100 %
                   
 

Combined

    85 %   65 %   57 %   100 %

Our Portfolio of Wind Energy Projects

        Cohocton is a 125 MW project in Steuben County, New York. Cohocton commenced commercial operations in January 2009. The project consists of 50 2.5 MW Clipper turbines. Cohocton is the second largest wind project in the state of New York. Similar to Mars Hill (described below), Cohocton qualifies a portion of its energy for New England RECs. The project provides local benefits to the community through property tax revenue and economic development, along with local renewable power sales.

        Cohocton wheels approximately 55% of its energy to ISO-NE where its RECs are sold to various counterparties. 40% of Cohocton's RECs are sold to the New York State Energy Research and Development Authority (NYSERDA) under 10-year, fully financeable contracts. The remaining 5% of Cohocton's RECs is sold into the voluntary REC market. Cohocton's power is also sold directly into NYISO Zone C where it receives floating power prices. To stabilize Cohocton's electricity revenue, we entered into a swap with an affiliate of Credit Suisse for approximately 70% of expected generation through the end of 2014. Cohocton was among the first recipients of an ARRA grant, receiving approximately $75 million in September 2009. The remainder of our construction costs at Cohocton are financed with a combination of senior project debt from HSH Nordbank and Norddeutsche Landesbank Girozentrale and structurally subordinated debt of CSSW, LLC. Our total installed development and construction costs for Cohocton were approximately $270 million, including approximately $10 million of financing-related costs and excluding prepaid turbine maintenance and warranty costs. We estimate Cohocton's long-term NCF will be approximately 25% to 27%, as described further in "Management's Discussion and Analysis of Financial Condition and Results of Operations."

        KWP I is a 30 MW project in the West Maui Mountains of Maui, Hawaii, that commenced commercial operations in June 2006. The project consists of 20 General Electric (GE) 1.5 MW turbines. The development rights to KWP I were purchased by First Wind in June, 2004 after several other developers had been unable to complete the project. We believe our success in developing KWP I stems from our partnering with local stakeholders and finding creative permitting solutions. For example, we entered into what we believe is the first habitat conservation plan that protects endangered species with respect to a wind project in the United States. Today, we operate a 1 MW prototype battery at KWP I to help stabilize wind energy output given Maui's small electricity grid. We undertook this battery program in cooperation with MECO to prepare for our expansion plans at KWP I.

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        KWP I has a 20-year PPA for power and RECs with MECO with a remaining term of 16 years. The PPA is 70% fixed price and 30% floating price at MECO's avoided cost, which historically is correlated to oil prices. In January 2010, MECO's avoided cost was approximately $135/MWh. To stabilize revenues on the floating portion of the contract, we entered into an oil swap with HSH Nordbank. This swap expires at the end of 2013. KWP I qualified for and receives PTCs and MACRS depreciation, along with cash payments under its PPA, and is currently financed with a tax equity investment from JP Morgan. An unrelated third party owns 49% of the common equity relating to KWP I. Our total installed development and construction costs for KWP I were approximately $65 million, including approximately $10 million of financing-related costs such as capitalized interest, fees, and other costs related to turbine supply loans, construction loans, and term financing. This cost estimate excludes prepaid turbine maintenance and warranty costs. We estimate KWP I's long-term NCF will be approximately 41% to 43%, as described further in "Management's Discussion and Analysis of Financial Condition and Results of Operations."

        Mars Hill is a 42 MW project located in Mars Hill, Maine, that commenced commercial operations in March 2007. The project consists of 28 GE 1.5 MW turbines. At the time of its commissioning, Mars Hill was the largest utility-scale wind project in New England (until we commissioned our Stetson I project). We believe Mars Hill is also unique in its transmission arrangement, which allows it to provide local benefits to the community through property tax revenue and economic development while qualifying its energy for the majority of the New England REC market.

        Our Energy Management Service Agreement with New Brunswick Power Corporation (NB Power), which expires at the end of 2011, provides for the wheeling arrangement as well as NB Power's purchase of our electricity. Our RECs are sold separately to various counterparties. Mars Hill qualified for and receives PTCs. It is currently financed with a tax equity investment from JP Morgan and Wells Fargo, and a term loan from HSH Nordbank. Our total installed development and construction costs for Mars Hill were approximately $95 million, including approximately $5 million of financing-related costs and excluding prepaid turbine maintenance and warranty costs. We estimate Mars Hill's long-term NCF will be approximately 35% to 37%, as described further in "Management's Discussion and Analysis of Financial Condition and Results of Operations."

        Milford I is a 204 MW project in Beaver and Millard Counties, Utah, located approximately 200 miles southwest of Salt Lake City. Milford I commenced commercial operations in November 2009. The project consists of 39 GE 1.5 MW turbines and 58 2.5 MW Clipper turbines (58.5 MW GE and 145 MW Clipper). As part of the Milford I project we also constructed an 88-mile, 1000 MW, 345 kV generator lead to interconnect to Intermountain Power Plant, a 2 GW coal-fired power plant in Delta, Utah. Securing right-of-way for this generator lead required gaining permission from more than 20 landowners and numerous permitting authorities. We sized the capacity of our line at 1,000 MW to accommodate future expansions, including our 102 MW Milford II project which we plan to have under construction in 2010.

        Intermountain Power Plant is electrically connected to the Los Angeles Department of Water & Power control area via the STS transmission line, a 500 kV direct current line that services the Los Angeles basin. By interconnecting our Milford project at Intermountain Power Plant, we are able to use the existing STS transmission line and provide renewable power directly to the Southern California market. We executed a 20-year PPA for Milford I with SCPPA in 2007 to sell 100% of our power and RECs at fixed prices. The PPA includes a prepayment for a portion of the annual expected generation and ongoing payments for the remainder of the electricity, plus additional payments for RECs and reimbursements of certain operating costs. We believe the prepayment feature of the PPA is innovative

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and allowed us to lower our cost of capital for financing the project. We believe this benefit was passed on to consumers in the form of a reduced power price. In March 2010, we received an ARRA grant of approximately $120 million for Milford I. An unrelated third party has an 8% interest in the results of operations of Milford I. Our ownership of Milford I is subject to a tax equity financing. Our total installed development and construction costs for Milford I were approximately $500 million, including approximately $55 million of financing-related costs and excluding prepaid turbine maintenance and warranty costs. These costs also included the 88-mile, 1,000 MW generator lead, which we expect will benefit our future expansion projects. We estimate Milford I's long-term NCF will be approximately 24% to 26%, as described further in "Management's Discussion and Analysis of Financial Condition and Results of Operations."

        Steel Winds I, which commenced commercial operations in June 2007, is a 20 MW project on the shores of Lake Erie in Lackawanna, New York, just south of Buffalo. The larger site on which the project is located was formerly a steel mill. The project consists of eight 2.5 MW Clipper turbines, the first turbines of this type Clipper produced. We undertook this project primarily as a means of testing and gaining operating experience with the Clipper wind turbines. The project's relatively small size allowed us to initially finance the project with 100% equity, which provided more flexibility as we worked with Clipper to understand the technology and deal with start-up issues that can be common in new turbine designs. We anticipate expanding Steel Winds in 2010 to bring the total project size to 35 MW, which we believe will introduce benefits of scale.

        For power at Steel Winds I we receive floating power prices within New York Independent System Operator (NYISO) Zone A. To stabilize this revenue, we entered into a swap with an affiliate of Morgan Stanley. The volume of this swap is approximately 95% of Steel Winds' expected output. This hedge expires at the end of 2016. In January 2010, we entered into a five-year PPA with an affiliate of Just Energy Income Fund for all RECs from the project. Steel Winds I qualifies for PTCs and MACRS depreciation and receives cash payments for electricity and RECs. Our total installed development and construction costs for Steel Winds I were approximately $35 million, excluding prepaid turbine maintenance and warranty costs, and are financed by a combination of equity and structurally subordinated debt of CSSW, LLC. We estimate Steel Winds I's long-term NCF will be approximately 29% to 31%, as described further in "Management's Discussion and Analysis of Financial Condition and Results of Operations."

        Stetson I is a 57 MW project in Washington County, Maine located approximately 60 miles from our Mars Hill project. Stetson I became operational in January 2009. The project consists of 38 GE 1.5 MW turbines. When commissioned, Stetson I replaced Mars Hill as the largest wind energy project in New England. As part of the Stetson I project we also constructed a 38-mile, 200 MW, 115 kV generator lead to interconnect to the ISO-NE power grid. Securing right-of-way for this generator lead required us to obtain rights with respect to more than 110 parcels of land. We overbuilt the capacity of our transmission line by 140 MW to accommodate future expansions, 26 MW of which is now being used by our Stetson II project and 60 MW of which is available for our Rollins project in 2010. Operations at our Stetson I project were temporarily interrupted due to a transformer malfunction in February 2010.

        Because Stetson I connects directly into ISO-NE, all of its generation qualifies for New England RECs. We sell those RECs to numerous counterparties, similar to Mars Hill and Cohocton. Power from Stetson I is sold separately directly into ISO-NE, where we receive a floating price at the point of sale. Our point of sale has historically traded at a modest discount to Mass Hub, a liquid hub where electricity is traded. To stabilize our electricity revenue, we entered into a 10-year fixed-for-floating

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financial swap with an affiliate of Constellation Energy Group. This swap hedges approximately 70% of the expected output of Stetson I and a portion of the expected output from Stetson II. Stetson I was among the first projects for which an ARRA grant was given. We received approximately $40 million in September 2009. The remainder of the project is financed with a combination of senior project debt from HSH Nordbank and subordinated debt of CSSW, LLC. Our total installed development and construction costs for Stetson I were approximately $175 million, including approximately $15 million of financing-related costs and excluding prepaid turbine maintenance and warranty costs. These costs also include the cost of the 38-mile, 200 MW generator lead. We estimate Stetson I's long-term NCF will be approximately 30% to 32%, as described further in "Management's Discussion and Analysis of Financial Condition and Results of Operations."

        Stetson II is a 26 MW expansion project in Washington County, Maine. Construction on Stetson II began in October 2009, and we commenced commercial operations in March 2010. The project consists of 17 GE 1.5 MW turbines. Stetson II uses our existing infrastructure at Stetson I, including our generator lead, substation and interconnection equipment. Half of Stetson II's electricity and RECs will be sold to Harvard University under a long-term PPA. The other half of Stetson II's electricity will be sold directly into ISO-NE. The revenue from the majority of this portion of Stetson II's output is hedged with a financial swap. The majority of remaining REC volumes will be sold to Citigroup Energy, Inc. under a 10-year contract. Approximately 80% of Stetson II's expected electricity and REC output is covered by a PPA or otherwise hedged through 2019. Our total installed development and construction costs for Stetson II was approximately $70 million, including approximately $10 million of financing-related costs and excluding prepaid turbine warranty costs. We estimate that Stetson II's long-term NCF will be approximately 27% to 29%. We applied for an ARRA grant for Stetson II in April 2010.

        For more information about our operating projects see "Management's Discussion and Analysis of Financial Condition and Results of Operations."

        Kaheawa Wind Power II (KWP II) is a 21 MW expansion project adjacent to our Kaheawa Wind Power I site on Maui. The project will consist of 14 GE 1.5 MW turbines and will use our existing infrastructure, including roads and site personnel. KWP II will connect to MECO's 69 kV transmission system, which crosses the KWP I and II sites. We are negotiating with Hawaii's Department of Land and Natural Resources for a directed lease agreement. We are also in negotiations with MECO for a long-term PPA for 100% of the project's expected electric power and RECs. Permitting of the project is in progress and we are currently preparing a Habitat Conservation Plan in support of the incidental-take authorization.

        For this project to meet our return expectations, we need to use a battery system to store electricity as part of KWP II. We need the battery system to stabilize the amount of power available from the project and limit curtailment because Maui has a small electricity grid. While initial testing of the battery system has been positive, we cannot be sure the battery system will perform adequately. We believe if we are successful in coupling battery technology with our wind energy projects, it would be a competitive advantage for us. An unrelated third party owns 8% of the common equity relating to KWP II. We estimate that our total installed development and construction costs for KWP II will be approximately $100 million, including approximately $10 million of financing-related costs, approximately one-third of which we believe will be related to turbine supply financing and two-thirds to construction financing. This cost estimate also includes the battery energy storage system and

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excludes prepaid turbine warranty costs. We estimate that KWP II's long-term NCF will be approximately 32% to 35%.

        Kahuku is a 30 MW project on land we own on the north shore of Oahu, Hawaii. The project will consist of 12 Clipper 2.5 MW turbines. Kahuku will connect directly into the Hawaii Electric Company's (HECO) transmission system through a transmission line that transects the project area. A 20-year fixed-price PPA has been executed with HECO and approved by the Public Utility Commission. Permitting for the project is in progress.

        We plan to incorporate a battery system for storage, similar to KWP II, as part of the Kahuku project. In March 2010, we received a conditional commitment from the Department of Energy, under the loan guarantee program for innovative technology under Section 1703 of ARRA, for a $117 million guarantee to help finance construction of our Kahuku project. An unrelated third party owns 8% of the common equity relating to Kahuku. We estimate that our total installed development and construction costs for Kahuku will be approximately $150 million, including approximately $15 million of financing-related costs, the cost of the land we purchased and the Battery Energy Storage System, and excluding reserves, prepaid turbine maintenance and warranty costs. We estimate that Kahuku's long-term NCF will be approximately 30% to 32%.

        Milford II is a 102 MW expansion project in Beaver and Millard Counties, Utah, adjacent to our Milford I project. It will consist of 68 GE 1.5 MW turbines and will use our existing infrastructure, including our substation, interconnection, equipment, 88-mile generator lead and site personnel. Milford II will transmit power over the generator lead we had built as part of our Milford I project. The project will be located on land owned by the Bureau of Land Management, the State of Utah and private landowners. We have entered into lease agreements with these landowners for terms of at least 30 years with various options to renew. We have received a right-of-way grant from the Bureau of Land Management and are in the process of securing additional County permits.

        We anticipate that the project will sell all of its output into the Southern California market pursuant to a PPA with SCPPA. We believe the PPA will be executed in the second quarter of 2010, following municipal approval. We anticipate the PPA will have a prepayment feature similar to that in the Milford I PPA and a 20-year term starting when Milford II commences commercial operations. An unrelated third party owns 20% of Milford II, subject to our right to purchase 10% of the common equity from the third party for a pre-determined price. We estimate that our total installed development and construction costs for Milford II will be approximately $275 million, including approximately $50 million of financing-related costs, approximately 70% of which we believe will be related to turbine supply financing and the remainder to construction financing, excluding reserves and prepaid turbine warranty costs. We estimate that Milford II's long-term NCF will be approximately 24% to 26%.

        Rollins is a 60 MW expansion project in Penobscot County, Maine. It will consist of 40 GE 1.5 MW turbines and include an approximately 8-mile 115-kV generator lead that will tie into our existing 38-mile generator lead that serves the Stetson I project. We have leased the land on which Rollins is located from private landowners under lease agreements with 25 to 27 year terms and options to extend the leases for an additional 20 years. We have a final interconnection agreement for this project with ISO-NE and Bangor Hydro Electric Company and we believe we have received all necessary

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approvals to deliver power through the Stetson lead to the New England grid. One of our permits for Rollins is currently under appeal. We cannot predict the outcome of this appeal.

        All of Rollins' energy and capacity will be sold to two utilities in Maine under 20-year PPAs, whose terms begin when Rollins commences commercial operations. The project's RECs will be sold separately in New England to various counterparties. We estimate that our total installed development and construction costs for Rollins will be approximately $180 million, including approximately $20 million of financing-related costs and excluding prepaid turbine warranty costs. Of the financing-related costs, we anticipate approximately half will relate to turbine supply financing and half to construction financing. We estimate that Rollins' long-term NCF will be approximately 29% to 31%.

        Sheffield is a 40 MW project in Sheffield, Vermont. It will consist of 16 2.5 MW Clipper turbines. We have entered into lease agreements with private landowners with 23 to 27-year terms and options to extend the leases for an additional 20 years. We executed a final interconnection agreement for this project with ISO-NE and Vermont Electric Power Company (VELCO) in April 2008 and we believe we have received all necessary approvals to connect directly into ISO-NE through a generator lead that transects the project area. For our Sheffield project, we obtained the first Certificate of Public Good granted by the Vermont Public Service Board for a utility-scale wind energy project since 1996. Our construction storm water permit issued by the Vermont Agency of Natural Resources is currently under appeal. We cannot predict the outcome of this appeal.

        We have negotiated and received approval to enter into four PPAs with three Vermont utilities: two PPAs with Vermont Electric Cooperative, Inc. (VEC), one with the City of Burlington Electric Department (BED) and one with the Washington Electric Cooperative (WEC). The PPAs with VEC include a 10-year contract for 25% of the electricity and RECs generated by the project and a 20-year contract for 25% of the electricity generated during the first 10 years and 50% of the electricity generated during the last 10 years. The PPA with WEC includes a 20-year contract for 10% of the electricity and RECs generated by the project, and the PPA with BED includes a 10-year contract for 40% of the electricity and RECs generated. During the subsequent 10 years following the BED PPA, the remaining 40% of the electricity and RECs generated is not contracted. We estimate that our total installed development and construction costs for Sheffield will be approximately $115 million, including approximately $10 million of financing-related costs and excluding prepaid turbine maintenance and warranty costs. We estimate that Sheffield's long-term NCF will be approximately 29% to 31%.

        Steel Winds II is a 15 MW expansion project in Lackawanna, New York. It will consist of six 2.5 MW Clipper turbines and will use our existing infrastructure, including interconnection equipment and site personnel. We are currently in the process of securing the necessary land and other rights to conduct and operate the project. The project's System Reliability Impact Study and Facilities Study is complete and we are working towards an interconnection agreement with the New York Independent System Operator (NYISO) and National Grid. While we continue to evaluate alternatives, we anticipate selling power from Steel Winds II directly into the market through NYISO Zone A and will seek to hedge our revenue with a financial swap. In March 2010, we were awarded a 10-year contract by NYSERDA for approximately 95% of the RECs generated by Steel Winds II. We estimate that our total installed development and construction costs for Steel Winds II will be approximately $40 million, including approximately $5 million of financing-related costs and excluding prepaid turbine maintenance and warranty costs. We estimate that Steel Winds II's long-term NCF will be approximately 28% to 30%.

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Competition

        While we compete with owners of electrical generation assets, including owners of fossil fuel generation assets, we believe our primary competitors are developers and operators focused on renewable energy generation. Renewable energy sources, including wind, biomass, geothermal and solar, currently benefit from various governmental incentives such as PTCs, ITCs, cash grants and loan guarantees, RPS programs and associated RECs and accelerated tax depreciation. Many of these incentives are not available with respect to energy generated from fossil fuels. More specifically, we believe our primary competitors among generators of renewable energy are developers and operators of wind energy projects, given the wide range of technical and economic differences between the various forms of renewable energy.

        In the wind energy sector, competition occurs primarily during the development stages of a wind energy project rather than during a project's operational phase. As discussed in "Risk Factors," wind energy projects require wind conditions that are found in limited geographic areas and at particular sites. Projects must also interconnect to electricity transmission or distribution networks to deliver electricity. We compete with other developers for desirable sites and for the ability to connect to transmission or distribution networks. Because the wind energy industry in the United States is at an early stage, we also compete with other wind energy developers for personnel with requisite industry knowledge and experience.

        We can sell the electricity from our wind energy projects located near liquid power markets at wholesale market prices. In that case, we are price takers selling an undifferentiated commodity product, electricity, excluding the RECs associated with our electricity. Depending on the regulatory framework and market dynamics of a region, we may also face competition in bidding for long-term PPAs. If our power is expected to be sold pursuant to a PPA, we may compete with other wind energy companies, as well other renewable energy generators and electricity producers in general, when we bid on or negotiate for a PPA.

        The wind energy industry has a range of developers, including large integrated independent power producers and established European producers, many of whom have greater financial and other resources than we do. While our pipeline spans several regions across the country, including the Northeastern and Western regions of the continental United States and Hawaii, we have not achieved the scale of many of the larger wind energy producers.

Suppliers

        Turbines are the primary equipment of a wind energy project and turbine costs represent the majority of our project investment costs. Our turbine supply strategy has changed as the market became oversupplied. Instead of entering into commitments to acquire turbines well in advance of deployment, we now intend to acquire turbines relatively close to planned installation dates to avoid financing costs and potential storage costs as well as depletion of the warranty coverage. To date, we have purchased turbines from GE and Clipper. GE and Clipper have supplied us with turbines with aggregate generating capacity of 401 MW and 375 MW, respectively, through November 30, 2009, with some of the Clipper turbines scheduled for delivery in the first half of 2010. We have the right but not the obligation to acquire from Clipper additional turbines with aggregate generating capacity of 633 MW through 2015. If we decide not to take delivery of these turbines, we will forfeit the pro rata portion of the deposits, and progress payments corresponding to the schedule of future turbine purchases, up to a total of $89.5 million through January 15, 2011.

        When we purchase turbines, we also enter into warranty agreements with the manufacturer. Warranties provide protections against costs associated with turbine non-performance. Warranties are typically two to five years in duration from the earlier of (i) 12 to 24 months from delivery or (ii) turbine commissioning. These warranties typically include a power curve warranty, which requires

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the manufacturer to pay liquidated damages if turbine output falls below a specified level at certain wind speeds and an availability warranty, which ensures the reliability of the turbines for electrical production. We also typically receive a sound level warranty. All liquidated damages payable under these warranties are subject to aggregate maximum caps. Finally, we receive a standard warranty with respect to the workmanship of the turbine equipment.

        Other important suppliers include engineering and construction companies, with whom we contract prior to construction of our projects to perform civil engineering and electrical work as well as to build the required infrastructure. We believe there are a sufficient number of capable engineering and construction companies available in our markets to meet our needs.

Customers

        We sell electricity and associated RECs primarily to local utilities and institutions under multi-year PPAs or in local liquid ISO markets. For the year ended December 31, 2009, the electrical production we sold to MECO, New Brunswick, Constellation NewEnergy, Inc. and SCPPA accounted for 22%, 14%, 5% and 4%, respectively, of our sales. We sell RECs to various counterparties, four of which accounted for approximately 59% of our total sales of RECs for the year ended December 31, 2009.

Legal Proceedings

        From time to time, we are subject to legal proceedings and claims that arise in the ordinary course of business, including proceedings contesting our permits or the operation of our projects. As is the case with other electrical power producers, our operations are subject to extensive and rapidly changing federal, state and local environmental, health and safety and other laws and regulations.

        Some residents near our Mars Hill project recently commenced litigation against us based on our construction and operation of this project. While the outcome of this litigation cannot be predicted, we believe it will not have a material adverse effect on us.

Employees

        As of December 31, 2009, we had approximately 200 full-time employees. None of our employees is represented by a labor union or is covered by any collective bargaining agreement. We believe that our relations with our employees are satisfactory.

Insurance

        We believe our insurance is on terms generally carried by companies engaged in similar businesses and owning similar properties in the United States and whose projects are financed in a manner similar to our projects. As is common in the wind industry, however, we do not insure fully against all the risks associated with our business either because insurance is not available or because the premiums for some coverage are prohibitive. For example, we do not maintain terrorism insurance. We maintain construction, operation and transportation insurance; casualty insurance, including windstorm, flood and earthquake coverage; business interruption insurance; primary and excess liability insurance and worker's compensation, automobile and title insurance. We maintain "all risk" property insurance coverage in amounts based on the full replacement value of our projects (subject to certain deductibles and sub-limits for flood and earthquake coverage) and business interruption insurance that varies from project to project based on the revenue generation potential of each project. Subject to applicable deductibles, our business interruption and property insurance covers, among other things, breakdowns for twelve months and casualty losses, respectively, for our transformers. We generally do not maintain insurance for certain environmental risks, such as environmental contamination. A loss not fully covered by insurance could have a material adverse effect on our business, financial condition and results of operations.

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Regulatory Matters

        We are subject to extensive regulation by various federal, state and local government agencies. The federal government regulates the wholesale sale and transmission of electric power in interstate commerce and regulates certain environmental matters. States and local governments regulate the construction of electricity generating and transmission facilities, the intrastate distribution of electricity, retail electricity sales and, in certain cases, environmental matters.

        The electricity industry in the United States is decentralized and comprises the following sectors: (i) a generation sector, consisting of regulated electricity utility companies, wholesale electricity suppliers and governmental entities; (ii) a high-voltage transmission sector, consisting of the regulated electricity utility companies and the governmental entities that own transmission systems, regional transmission organizations, independent system operators and the companies controlling and scheduling the use of transmission networks; (iii) a distribution sector, consisting of regulated electricity utility companies and governmental entities that transport the energy from the high-voltage network to end users; and (iv) a retail supplier sector, consisting of regulated electricity utility companies and, in some limited markets, competitive suppliers, which sell electricity to retail consumers.

        Our project companies that are not "Qualifying Facilities" (QFs) under FERC's regulations are "Exempt Wholesale Generators" (EWGs). EWGs are public utilities that own generating facilities that qualify for exemption from FERC's books and records regulations under the Public Utility Holding Company Act of 2005 because they are engaged exclusively in the business of owning and/or operating eligible generating facilities and selling electric energy at wholesale. Our non-QF projects sell electric capacity, energy and ancillary services at market-based rates pursuant to authority granted by FERC. In order to be eligible for market-based rate authority, our non-QF public utilities are required to establish and periodically reestablish that they do not have, or have adequately mitigated, market power, that they cannot erect barriers to market entry and that they do not engage in abusive affiliate transactions.

        Our project companies that have a generating capacity of 20 MW or less are QFs that are exempt from most aspects of FERC regulation.

        As described further under "—Environmental Regulation," our activities are subject to extensive regulation by various federal environmental and natural resource agencies. Some of those agencies include: the U.S. Army Corps of Engineers (on wetland issues); the U.S. Environmental Protection Agency (on stormwater issues); the U.S. Fish and Wildlife Service (on wildlife and bird issues); and the Bureau of Land Management (in relation to its management of federal lands with significant wind resources).

        Due to the height of wind turbines and their potential effect on aviation, we are required under certain circumstances to seek approval from the Federal Aviation Administration and/or to work with the Department of Defense.

        ISO-NE is an RTO, serving Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont. ISO-NE operates the region's interstate high-voltage transmission lines and wholesale electricity marketplace, through which bulk electric power is bought, sold and traded. NYISO performs the same role in New York. ISO-NE and NYISO each manage the planning and interconnection of

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new transmission and generation in their respective regions. ISO-NE and NYISO are independent, not-for-profit corporations.

        The NYPSC exercises limited jurisdiction over the owners of generating facilities in New York State. For example, the NYPSC exercises jurisdiction with respect to transfers of control over companies owning generating assets in New York State. In addition, the NYPSC must approve any debt issued by a generating owner that is secured by assets located in New York State. Under New York State law and EPACT 2005, NYPSC has authority to impose reliability standards that exceed those imposed by other state authorities.

        The Hawaii Public Utilities Commission (Hawaiian PUC) regulates public utility companies operating in the state and establishes rates, tariffs, charges and fees. The Hawaiian PUC has been active in promoting energy efficiency and renewable energy projects. In 2005, Hawaii was one of six states that partnered with the EPA to explore approaches for reducing the cost of consumer electric and gas bills through policies and practices focused on energy efficiency and renewable energy sources. The Hawaiian PUC has established a Public Benefits Fund to promote the development of programs that increase energy efficiency and to decrease the state's reliance on fossil fuels. Under the program, each of the Hawaii electric companies transfers responsibility for its own energy efficiency programs to the Fund administrator with the goal of increasing the cost-effectiveness of all such programs.

Environmental Regulation

        We are subject to various environmental, health and safety laws and regulations in each of the jurisdictions in which we operate. These laws and regulations require us to obtain and maintain permits and approvals, undergo environmental review processes and implement environmental, health and safety programs and procedures to control risks associated with the siting, construction, operation and decommissioning of wind energy projects, all of which involve a significant investment of time and monetary resources.

        We incur costs in the ordinary course of business to comply with these laws, regulations and permit requirements. We do not anticipate material capital expenditures for environmental controls for our operating projects in the next several years. However, these laws and regulations frequently change and often become more stringent, or subject to more stringent interpretation or enforcement. Future changes could require us to incur materially higher costs.

        Failure to comply with these laws, regulations and permit requirements may result in administrative, civil and criminal penalties, imposition of investigatory, cleanup and site restoration costs and liens, denial or revocation of permits or other authorizations and issuance of injunctions to limit or cease operations. In addition, claims for damages to persons or property have been brought and may in the future result from environmental and other impacts of our activities.

        We are required to obtain from federal, state and local governmental authorities a range of environmental permits and other approvals to build and operate our projects, including those described below. In addition to being subject to these regulatory requirements, we could experience significant opposition from third parties when we initially apply for permits or when there is an appeal proceeding after permits are issued. The delay or denial of a permit or the imposition of conditions that are costly or difficult to comply with can impair or even prevent the development of a project or can increase the cost so substantially that the project is no longer attractive to us.

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        Frequently our projects are located near wetlands and we are required to obtain permits under the federal Clean Water Act from the U.S. Army Corps of Engineers (Army Corps) for the discharge of dredged or fill material into waters of the United States, including wetlands and streams. The Army Corps may also require us to mitigate any loss of wetland functions and values that accompanies our activities. In addition, we may be required to obtain permits under the federal Clean Water Act for water discharges, such as storm water runoff associated with construction activities, and to follow a variety of best management practices to ensure that water quality is protected and impacts are minimized. Certain activities, such as stringing a power line across a navigable river, may also require permits under the Rivers and Harbors Act of 1899.

        As some of our western U.S. projects are sited on Bureau of Land Management (BLM) lands, we are required to obtain rights-of-way from the BLM. The BLM encourages the development of wind energy within acceptable areas, consistent with the federal Energy Policy Act of 2005 and the BLM energy and mineral policy. Obtaining a grant requires that the proposed project prepare a plan of development and demonstrate that it will adhere to BLM's best management practices for wind energy development, including meeting criteria for protecting environmental, archeological and cultural resources.

        Our projects may also be subject to environmental review under the federal National Environmental Policy Act (NEPA), which requires federal agencies to evaluate the environmental impact of all "major federal actions" significantly affecting the quality of the human environment. The granting of a land lease, a federal permit or similar authorization for a major development project, or the interconnection of a significant private project into a federal project generally is considered a "major federal action" that requires review under NEPA. As part of the NEPA review, the federal agency considers a broad array of environmental impacts, including impacts on air quality, water quality, wildlife, historical and archeological resources, geology, socioeconomics and aesthetics, and alternatives to the project. The NEPA review process, especially if it involves preparing a full Environmental Impact Statement (EIS), can be time-consuming and expensive. A federal agency may decide to deny a permit based on its environmental review under NEPA, though in most cases a project would be redesigned to reduce impacts or we would agree to provide some form of mitigation to offset impacts before a denial is issued.

        Federal agencies granting permits for our projects also consider the impact on endangered and threatened species and their habitat under the federal Endangered Species Act. We also must comply with and are subject to liability under the Endangered Species Act, which prohibits and imposes stringent penalties for harming endangered or threatened species and their habitats. Our projects also need to comply with the Migratory Bird Treaty Act and the Bald and Golden Eagle Protection Act, which protect migratory birds and bald and golden eagles and are administered by the U.S. Fish and Wildlife Service. Most states also have similar laws. Because the operation of wind turbines may result in injury or fatalities to birds and bats, federal and state agencies often recommend or require that we conduct avian risk studies prior to issuing permits for our projects. They may also require ongoing monitoring or mitigation activities as a condition to approving a project, and may even refuse to issue a permit if the mitigation options are insufficient to address the risks. In addition, federal agencies consider a project's impacts on historic or archeological resources under the National Historic Preservation Act and may require us to conduct archeological surveys or take other measures to protect these resources.

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        In connection with our KWP I project, we have a 20-year Habitat Conservation Plan to benefit four species protected under state and federal endangered species programs that have habitats in the project area. The plan is designed to minimize the incidental injury or death of wildlife, and includes regular monitoring of the project area and various mitigation measures. Not all projects will require implementation of a Habitat Conservation Plan, although we expect to implement such plans for our KWP II and Kahuku projects and many of the projects we develop in Hawaii due to the high occurrence of protected species in the state, and because of well-established state and federal policies that encourage these plans. In other states we expect to implement various kinds of mitigation measures, as necessary or appropriate to offset impacts to protected resources.

        In addition to federal requirements, we are subject to a variety of state environmental review and permitting requirements. Many states where our projects are located or are being developed, including California, Hawaii, New York, Washington, Vermont and Maine, have laws that require state agencies to evaluate a broad array of environmental impacts before granting state permits. The state environmental review process often resembles the federal NEPA process described above and may be more stringent than the federal review. Our projects also may require state-law based permits in addition to federal permits. State agencies evaluate similar issues as federal agencies, including the project's impact on wildlife, historic sites, aesthetics, wetlands and water resources, agricultural operations and scenic areas. Some states, such as Oregon and Vermont, have a separate permitting and review process for energy facilities, including wind energy facilities. States may impose different or additional monitoring or mitigation requirements than federal agencies.

        Our projects also are subject to local environmental and regulatory requirements, including county and municipal land use, zoning, building and transportation requirements. Local or state agencies also may require us to develop decommissioning plans for dismantling the project at the end of its functional life and establish financial assurances for carrying out the decommissioning plan.

        We own and lease real property and are subject to requirements regarding the storage, use and disposal of petroleum products and hazardous substances, including spill prevention, control and countermeasure requirements. If our owned or leased properties are contaminated, whether during or prior to our ownership or operation, we could be responsible for the costs of investigation and cleanup and for any related liabilities, including claims for damage to property, persons or natural resources. That responsibility may arise even if we were not at fault, did not cause or were not aware of the contamination. In addition, waste we generate is at times sent to third-party disposal facilities. If those facilities become contaminated, we and any other persons who arranged for the disposal or treatment of hazardous substances at those sites may be jointly and severally responsible for the costs of investigation and remediation, as well as for any claims for damage to third parties, their property or natural resources.

        Our Steel Winds I project is located on a former steel mill property that is a brownfield site. In 2007, the independent developer that was developing Steel Winds I entered into a Brownfield Site Cleanup Agreement with the New York State Department of Environmental Conservation (NYSDEC). The developer undertook to perform certain environmental investigatory and remediation activities on the portion of the site on which the project is located. In December 2007, NYSDEC issued a Certificate of Completion to the developer confirming that we had completed the requirements of the agreement and achieved a cleanup level consistent with commercial and industrial use of the site. The issuance of the Certificate of Completion provides us with protection from cleanup liability to the State of New York, subject to certain limitations, but not against liability for third-party claims. The developer is required to implement certain ongoing environmental monitoring and maintenance

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requirements at the site as part of our liability protection. We are negotiating to purchase the developer's interest. If we do so, we would be required to assume responsibility for these environmental monitoring and maintenance requirements.

Our Locations

        In addition to the properties we own or lease on which we construct and operate our wind energy projects, we also lease offices in several locations. Our headquarters are located in Boston, Massachusetts. We lease our 35,877 square foot headquarters in Boston and our lease expires March 31, 2020. As of December 31, 2009, we also had offices in San Diego, San Francisco and Temecula, California; Honolulu, Hawaii; Portland, Lincoln, and Oakfield, Maine; Montpelier, Vermont and Portland, Oregon.

Intellectual Property

        Other than service marks for our company name, "FIRST WIND", and our trademark "CLEAN ENERGY. MADE HERE.", we do not have any material intellectual property rights.

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MANAGEMENT

Executive Officers and Directors

        The following discussion sets forth, after giving effect to our corporate reorganization, the names, ages, positions and descriptions of the business experience of our executive officers and directors.

Name
  Age   Position(s) Held
  Paul Gaynor     45   Chief Executive Officer and Director
  Michael Alvarez     54   President and Chief Financial Officer
  Kurt Adams     43   Executive Vice President and Chief Development Officer
  Paul Wilson     67   Executive Vice President, General Counsel and Secretary
  Lori Erickson     50   Senior Vice President, Human Resources
  Carol J. Grant     56   Senior Vice President, External Affairs
  Andrew Ursitti     41   Vice President and Chief Accounting Officer
  Richard Aube     41   Director
  Patrick Eilers     42   Director and Co-Chair of the Risk Oversight and Compliance Committee
  Peter Gish     47   Director
  Stephen Key     66   Director and Chairman of the Audit Committee
  Bryan Martin     42   Director, Chairman of the Compensation Committee and Co-Chair of the Risk Oversight and Compliance Committee
  Jim Mogg     61   Director and Chairman of the Board and the Nominating and Corporate Governance Committee
  Matthew Raino     32   Director
  Pat Wood, III     47   Director

        Paul Gaynor has served as our Chief Executive Officer since 2004 and served as our President from 2004 until 2009. Mr. Gaynor has also served as a member of our board of directors since 2008. Prior to joining us in 2004, Mr. Gaynor served as chief financial officer of Noble Power Assets, LLC, a private equity backed power plant acquisition company, from May 2003 to April 2004. Between September 2002 and April 2003, he held concurrent positions with the Singapore Power Group: (i) senior vice president and chief development officer of the Singapore Power Group and (ii) chief operating officer of Singapore Power International, an unregulated international subsidiary. In August 2000, he joined the Singapore Power Group as senior vice president and chief financial officer, where he was responsible for all financial matters of the company. Between 1998 and 2000 Mr. Gaynor worked for PSG International in London, a joint venture of GE Capital and Bechtel Enterprises as Senior Vice President and Chief Financial Officer. Prior to that Mr. Gaynor worked for GE Capital and GE Power Systems for nearly 10 years in a variety of positions. Mr. Gaynor serves on the board of managers of Deepwater Wind Holdings, LLC. Mr. Gaynor has a B.S. from Worcester Polytechnic Institute and an M.B.A. from the University of Chicago. Mr. Gaynor has more than two decades of experience in the energy industry, including in the energy, power and pipeline sectors. This experience includes service as our chief executive officer and as chief financial officer, chief development officer and chief operating officer with companies in our general industry. Mr. Gaynor was selected to serve on our board of directors in light of the breadth and strength of his skills and his financial and industry knowledge.

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        Michael Alvarez has served as our Executive Vice President from 2006 to 2009 and President and Chief Financial Officer since 2009. Mr. Alvarez was also our Chief Operating Officer from 2006 to May 2010. Prior to joining us, Mr. Alvarez served as the vice president of strategic planning of Edison International from 2005 to 2006. Prior to that, he served as executive vice president, chief financial officer and general counsel of Nexant, Inc., a privately held San Francisco based company that provides software and advisory services to the global energy industry, from 2000 to 2006. Before Nexant, Mr. Alvarez was employed by PSG International in London, where he managed the development of the $2.3 billion, 1,700-kilometer TransCaspian natural gas pipeline. Before PSG International, Mr. Alvarez was president of Kenetech Energy Systems, the project development subsidiary of Kenetech Corporation, a developer of environmentally preferred electric power plants, principally wind, biomass, and natural gas. Mr. Alvarez serves on the board of managers of Deepwater Wind Holdings, LLC. Mr. Alvarez has a B.A. in economics and a J.D. from the University of Virginia.

        Kurt Adams has served as our Executive Vice President and Chief Development officer since October 2008, and before that, served as our Senior Vice President, Transmission from May 2008, when he joined us, to October 2008. Prior to joining us, Mr. Adams served as the chairman of the Maine Public Utilities Commission from 2005 to May 2008. While chairman, Mr. Adams served as a member of the New England Conference of Public Utilities Commissions, the National Association of Regulatory Utility Commissions (NARUC), the NARUC Electricity Committee, the NARUC Competitive Procurement Committee and as Maine's representative on the New England State Committee on Electricity. Prior to serving as the chairman of the Maine PUC, Mr. Adams was Governor John Baldacci's chief legal counsel from 2003 to 2005. Prior to that, Mr. Adams was the vice chairman of the energy practice group at the law firm of Bernstein, Shur, Sawyer & Nelson in Portland, Maine. Mr. Adams has a B.A. in government from Skidmore College, an M.A. in International Affairs from George Washington University and a J.D. from the University of Maine Law School.

        Paul Wilson has served as our Executive Vice President, General Counsel and Secretary since January 2009. Prior to joining us, Mr. Wilson was a senior corporate partner of the New York law firm of Debevoise & Plimpton LLP. During his time at Debevoise, he also served as the firm's Deputy Presiding Partner from 1993 to 1998, and as its Chief Financial Officer from 1980 to 1988, 1991 to 1993 and from 2001 to 2008. Mr. Wilson has an M.B.A. from the Columbia Graduate School of Business, an L.L.B. from Columbia Law School and an A.B. in International Relations from Brown University.

        Lori Erickson has served as our Senior Vice President, Human Resources since September 2008. Prior to joining us, Ms. Erickson was Senior Vice President of Global Human Resources at Monster Worldwide (Monster.com) from 2004 to 2008. Prior to joining Monster, Lori was Senior Vice President of Human Resources for StorageNetworks from 1999 to 2003. Prior to StorageNetworks, Ms. Erickson held a variety of Human Resource roles at Honeywell Bull, Computervision, I-Cube/Razorfish and Shiva. Ms. Erickson holds a dual B.S. degree from Franklin Pierce College in Computer Science and Business Management.

        Carol J. Grant has served as our Senior Vice President, External Affairs since October 2008. Prior to joining us, Ms. Grant was involved in civic activities for non-profit organizations from 2007 to October 2008, after serving as Chief of Operations for Mayor David Cicilline in the City of Providence from 2003 to 2007. She was previously vice president of human resources for Textron from 1997 to 1999. From 1983 to 1997, Ms. Grant held executive positions in law, external affairs, and operations for NYNEX Corporation, including leadership of the entire business in Rhode Island. She also served as the founding Chair of the Rhode Island Airport Corporation during the period that the quasi-public organization was created and the new terminal at T.F. Green Airport was built. Ms. Grant has a B.A. from the University of Missouri and a J.D. from the University of Michigan School of Law.

        Andrew Ursitti has served as our Vice President and Chief Accounting Officer since 2008. Previously, Mr. Ursitti was Vice President and Assistant Controller of CVS Caremark Corporation and of Caremark Rx, Inc., prior to its 2007 merger with CVS Corporation, from 2000 to 2008. Prior to

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joining Caremark Rx, Inc., Mr. Ursitti served in several accounting roles at Magellan Health Services, Inc., a specialty managed healthcare company, from 1996 to 2000. Mr. Ursitti has a B.S. in Accounting from Georgia College and State University and is a Certified Public Accountant and a member of the American Institute of Certified Public Accountants.

        Richard Aube has served as a member of our board of directors and has served on our Audit Committee since 2008. Mr. Aube is a managing director of D. E. Shaw & Co., L.P. and has served as co-head of the D. E. Shaw group's U.S. growth and buyout private equity unit since joining D. E. Shaw & Co., L.P. in 2005. Prior to joining D. E. Shaw & Co., L.P., Mr. Aube served as a partner at J.P. Morgan Partners, LLC, where he focused on private equity opportunities in the energy, chemical, general industrial and retail sectors from 2000 to 2005. Prior to that time he served as a partner at the Beacon Group, LLC and as co-manager of Beacon Group Energy Investors II, LP, and worked as an investment banker in the natural resources group at Morgan Stanley & Co. Inc. While at J.P. Morgan Partners, Mr. Aube served on the boards of directors of Bill Barrett Corporation; KRATON Polymers, LLC; Latigo Petroleum, Inc.; and PQ Corporation, and on the investment committee of Lime Rock Partners. Mr. Aube currently serves on the boards of directors of Aspen Marketing Services, Inc.; and on the Board of Managers of Green Rock Energy, L.L.C. Mr. Aube earned his A.B. from Dartmouth College. Mr. Aube has more than 15 years of investment experience serving on the boards of directors of various companies, including in the energy industry. This experience also includes serving as a managing director of a private equity firm. Mr. Aube was selected to serve on our board of directors in light of his finance skills and energy industry knowledge.

        Patrick Eilers has served as a member of our board of directors and has served on our Compensation Committee since 2008. Mr. Eilers also serves as the Co-Chair of our Risk Oversight and Compliance Committee. Mr. Eilers is a managing director at Madison Dearborn Partners, LLC, where he is responsible for the firm's energy and power practice and he has held this position since 2007. From 2003 to 2007, Mr. Eilers served as a director of Madison Dearborn Partners, LLC, and from 1999 to 2003 he was a vice president. Prior to joining Madison Dearborn Partners, LLC, Mr. Eilers served as a director of Jordan Industries, Inc. from 1995 to 1997 and as an Associate of IAI Venture Capital, Inc. from 1990 to 1994. Mr. Eilers played professional football with the Chicago Bears, Washington Redskins and Minnesota Vikings from 1990 to 1995. Mr. Eilers currently serves on the Board of Directors of Magellan GP, LLC, Magellan Midstream Holdings GP, LLC and US Power Generating Company. Mr. Eilers serves on the Executive Committee of the U.S. Partnership for Renewable Energy Finance (US PREF), a program of the American Council On Renewable Energy (ACORE). Mr. Eilers has a B.S. in Mechanical Engineering and Biology from the University of Notre Dame and an M.B.A. from Northwestern University. Mr. Eilers has more than a decade of experience serving as a director of numerous companies, including in the energy sector. This experience includes responsibility for the Madison Dearborn Partners, LLC energy and power practice. Mr. Eilers was selected to serve on our board of directors in light of his industry knowledge.

        Peter Gish has served as a member of our board of directors since 2008. Mr. Gish has served as a partner, co-founder and board member of UPC Renewables since 2007, a company dedicated to developing wind and solar projects in Europe and Asia and has served as managing director of UPC North Africa Wind Partners since July 2003. From 1997 to 2005, Mr. Gish served as corporate and project counsel and managing director for UPC International Partnership CV II, an entity that successfully developed wind projects in Italy with capacity in excess of 700 MW. He has also served on the steering committee of the National Wind Coordinating Committee since 2004 and as a lecturer in finance and public policy at the University of Massachusetts, Graduate School of Management. Mr. Gish has a Bachelors Degree in Religion from Dartmouth College, a J.D. from Boston College Law School, and a Masters Degree in Jurisprudence from Oxford University. Mr. Gish has more than a decade of experience in the energy field. This experience includes service as a founder and manager of companies in our industry. Mr. Gish was selected to serve on our board of directors in light of his public policy and industry knowledge.

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        Stephen Key has served as a member of our board of directors and Chairman of our Audit Committee since July 2008. Mr. Key is sole proprietor of Key Consulting, LLC, a management and financial consulting business he started in 2003. From 1995 to 2001, Mr. Key was the executive vice president and chief financial officer of Textron Inc. and from 1992 to 1995 he served as the executive vice president and chief financial officer of ConAgra, Inc. From 1968 to 1991, Mr. Key worked at Ernst & Young, serving in various capacities, including as the managing partner of Ernst & Young's New York office from 1988 to 1991. His professional affiliations include: member, board of directors, member of compensation and governance committees, and chairman of the audit committee of Greenhill & Co., Inc. Mr. Key also serves on the board of directors of 1-800 Contacts, served on the board of directors of Sitel Corporation from 2006 to 2007, and serves on the board of managers of Deepwater Wind Holdings, LLC. Mr. Key earned an A.B. in Economics and Mathematics from Dartmouth College in 1966 and an M.B.A. from Cornell University in 1968. Mr. Key has more than four decades of accounting and financial experience, including service as a chief financial officer of public companies and the managing partner of Ernst & Young's New York office. Mr. Key was selected to serve on our board of directors in light of his accounting and financial knowledge and experience in large and complex organizations.

        Bryan Martin has served as a member of our board of directors and Chairman of our Compensation Committee since 2008. Mr. Martin also serves as the Co-Chair of our Risk Oversight and Compliance Committee. Mr. Martin is a managing director of D. E. Shaw & Co., L.P., and has served as co-head of the D. E. Shaw group's U.S. growth and buyout private equity unit since joining D. E. Shaw & Co., L.P. in 2005. Prior to joining D. E. Shaw & Co., L.P., Mr. Martin served as a partner at J.P. Morgan Partners, LLC, focusing on the firm's leveraged buyout investments in, among other sectors, the energy, retail and industrial growth sectors from 2000 to 2005. Before that, he was a partner at the Beacon Group, LLC and co-manager of Beacon Group Energy Investors II, LP. Mr. Martin began his career as an equity analyst at Fidelity Investments, ultimately co-managing that firm's Select Energy Fund and working on its Specialty Retail Fund. Mr. Martin has served on a wide variety of public and private boards of directors, including Carrizo Oil & Gas, Inc.; Crosstown Traders, Inc.; General Maritime; Aspen Marketing Services, Inc.; Shell Technology Investment Partners C.V.; and Vetco International Ltd., and on the investment committee of Lime Rock Partners. He currently serves on the board of directors of Franklin Holdings (Bermuda), Ltd. and on the board of managers of Green Rock Energy, L.L.C.; Snikiddy, LLC and Deepwater Wind Holdings, LLC. Mr. Martin received a B.A. in history from Yale University and an M.B.A. from Northwestern University. Mr. Martin has more than a decade of experience in a variety of industries, including the energy field. This experience includes service with investment and private equity firms and service on the boards of directors of numerous companies, including in our general industry. Mr. Martin was selected to serve on our board of directors in light of his finance skills and energy industry knowledge.

        Jim Mogg has served as a member of our board of directors and Chairman of our board of directors since July 2008. Mr. Mogg also serves as the Chairman of our Nominating and Governance Committee. During 2006, Mr. Mogg served as advisor to the chairman of Duke Energy Corporation; from 2004 to 2006 he served as group vice president and chief development officer of Duke Energy Corporation; and from 2000 to 2004 he served as chairman, president and chief executive officer of Duke Energy Field Services. Also, from 2000 to 2005 Mr. Mogg was vice chairman/chairman of TEPPCO Partners and from 2005 to 2007 he was chairman of DCP Midstream Partners. Prior to this time, Mr. Mogg served in various executive and senior management positions at Duke Energy and Pan Energy. Since May 2007, Mr. Mogg has served on the board of directors, the compensation committee and the nominating and corporate governance committee of Bill Barrett Corporation and the board of directors, compensation committee and corporate governance committee of Oneok, Inc. and since August 2009, Mr. Mogg has served on the board of directors and the audit committee of Oneok Partners, L.P. Mr. Mogg has a B.S. in Mathematics from Southwestern Oklahoma State University and completed the A.M.P. at Harvard Business School. Mr. Mogg has more than three decades of

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experience in the energy field. This experience includes service as chairman, chief executive officer, chief development officer and other senior positions at companies in the energy industry. Mr. Mogg was selected to serve on our board of directors in light of the breadth and strength of the skills developed in these positions and his industry experience.

        Matthew Raino has served as a member of our board of directors and our Audit Committee since 2009. Mr. Raino is a vice president at Madison Dearborn Partners, LLC, and has held this position since August 2007. From 2005 to 2007, Mr. Raino attended Northwestern University J.L. Kellogg Graduate School of Management. From July 2003 to July 2005, Mr. Raino served as an associate at Madison Dearborn Partners, LLC. Mr. Raino has a B.B.A. from the University of Michigan and an M.B.A. from Northwestern University J.L. Kellogg Graduate School of Management. Mr. Raino has gained financial and management skills through work with a variety of companies in which Madison Dearborn Partners, LLC has investments. Mr. Raino was selected to serve on our board of directors in light of these skills.

        Pat Wood, III has served as a member of our board of directors and has served on our Audit Committee and Compensation Committee since 2010. Mr. Wood has been a Principal of Wood3 Resources, an energy infrastructure developer, since July 2005. From 2001 to 2005, Mr. Wood served as the chairman of the Federal Energy Regulatory Commission. From 1995 to 2001, Mr. Wood chaired the Public Utility Commission of Texas. Mr. Wood has also been an attorney with Baker & Botts, a global law firm, and an associate project engineer with Arco Indonesia, an oil and gas company, in Jakarta. He currently serves as a board member of SunPower Corp., Quanta Services, Inc., Range Fuels, Xtreme Power Solutions, and TPI Composites. He was graduated from Texas A&M University (B.Sci., Civil Engineering) and from Harvard Law School. Mr. Wood was selected to serve on our board of directors in light of his regulatory leadership and insight, his knowledge of the energy industry, his public and private company board experience and his management experience.

        There are no family relationships between our directors and executive officers.

Board Composition

        Our certificate of incorporation provides that our board of directors will consist of such number of directors as determined from time to time by a resolution adopted by a majority of the total number of directors then in office. Initially, we expect that our board of directors will consist of nine members, of whom Mr. Gish, Mr. Key, Mr. Mogg and Mr. Wood will qualify as "independent" under the Nasdaq Stock Market ("Nasdaq") Listing Rules. Any additional directorships resulting from an increase in the number of directors may only be filled by the directors then in office. The term of office for each director will be until his or her successor is elected and qualified or until his or her earlier death, resignation or removal. Stockholders will elect directors each year at our annual meeting. We expect that in the nominating agreement described below, we will agree to nominate for the election as directors certain persons designated by our Sponsors.

Board Committees

        We currently have an Audit Committee, a Compensation Committee, a Nominating and Corporate Governance Committee and a Risk Oversight and Compliance Committee. Our board of directors will adopt a written charter for each of its committees prior to completion of this offering, which will be available on our website. The composition, duties and responsibilities of these committees are set forth below. Committee members will hold office for a term of one year. Our board may establish other committees, as it deems appropriate, to assist with its responsibilities.

        The Audit Committee is responsible for: (1) selecting and compensating our independent registered public accounting firm; (2) approving the overall scope of our annual audits; (3) assisting the

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board in monitoring the integrity of our financial statements, the independent registered public accounting firm's qualifications and independence, the performance of our independent registered public accounting firm and our internal audit function and our compliance with legal and regulatory requirements; (4) annually reviewing our independent registered public accounting firm's report describing the registered public accounting firm's internal quality control procedures and any material issues raised by the most recent internal quality control review, or peer review, of the auditing firm; (5) discussing the annual audited financial and quarterly financial statements with management and the independent auditor; (6) discussing earnings press releases, as well as financial information and earnings guidance provided to analysts and rating agencies from time to time; (7) discussing policies with respect to risk assessment and risk management; (8) meeting separately, periodically, with management, internal auditors and the independent registered public accounting firm; (9) reviewing with the independent auditor any audit problems or difficulties and management's response; (10) setting clear hiring policies for employees or former employees of the independent registered public accounting firm; (11) handling such other matters that are specifically delegated to the Audit Committee by the board of directors from time to time; and (12) reporting regularly to the full board of directors.

        Our Audit Committee consists of Messrs. Key (Chairman), Aube, Raino and Wood. Our board of directors has determined that Messrs. Key and Wood are independent directors under the rules and regulations of the SEC and the Nasdaq Listing Rules, and Mr. Key will qualify as an "audit committee financial expert" as such term is defined in Item 407(d)(5)(ii) of Regulation S-K.

        The Compensation Committee is responsible for establishing and overseeing our compensation policies, plans and programs. Our Compensation Committee consists of Messrs. Martin (Chairman), Eilers, Mogg and Wood. The Compensation Committee of First Wind Holdings, LLC held three meetings during 2008 and six during 2009. For additional information relating to this committee, see "Executive Compensation—Our Compensation Committee."

        Our Nominating and Corporate Governance Committee assists our board of directors in identifying individuals qualified to become members of management and members of our board of directors consistent with criteria established by our board and in developing our corporate governance principles. This committee's responsibilities include: (1) evaluating the composition, size and governance of our board of directors and its committees and making recommendations regarding future planning and the appointment of directors to our committees; (2) establishing a policy for considering stockholder nominees for election to our board of directors; (3) evaluating and recommending candidates for election to our board of directors; (4) overseeing the performance and self-evaluation process of our board of directors and developing continuing education programs for our directors; (5) reviewing our corporate governance principles and providing recommendations to the board regarding possible changes; (6) evaluating and recommending management candidates; and (7) reviewing and monitoring compliance with our code of ethics and our insider trading policy. Our Nominating and Corporate Governance Committee consists of Messrs. Mogg (Chairman), Eilers, Key and Martin.

        Our Risk Oversight and Compliance Committee assists our board of directors in assessing major strategic, operational, regulatory, informational and external risks inherent in our business. The committee's responsibilities include: (1) reviewing and evaluating management's identification of all risks to our business and their relative priority; (2) assessing the adequacy of management's risk assessment, its plans for risk control or mitigation, and disclosure; and (3) together with our Audit

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Committee, assessing and discussing with our General Counsel, our Chief Financial Officer and our independent registered public accounting firm, significant risks or exposures, the steps management has taken to mitigate such risks or exposures and our underlying policies with respect to risk assessment and risk management. Our Risk Oversight and Compliance Committee consists of Messrs. Eilers (Co-Chairman), Martin (Co-Chairman), Key and Wood. Mr. Key is also Chairman of the Audit Committee.

Compensation Committee Interlocks and Insider Participation

        No member of our Compensation Committee is an officer or employee of us, nor is any member a former officer or employee of ours. There are no interlocking relationships between any of our executive officers and the Compensation Committee, on the one hand, and the executive officers and the compensation committees of any other companies, on the other hand.

Code of Ethics

        We have adopted a code of ethics applicable to our principal executive, financial and accounting officers and all persons performing similar functions. We intend to satisfy the requirements of Item 5.05 of Form 8-K regarding disclosure of amendments to, or waivers from, provisions of our code of ethics that apply to our principal executive, financial and accounting officers by posting such information on our website.

Indemnification

        Our certificate of incorporation and bylaws provide indemnification rights to the members of our board of directors. Additionally, we will enter into separate indemnification agreements with the members of our board of directors to provide additional indemnification benefits, including the right to receive advance reimbursements for expenses incurred in connection with a defense for which the director is entitled to indemnification.

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EXECUTIVE COMPENSATION

        In this section, any reference to Series B Units is to First Wind Holdings, LLC's Series B Units, which were outstanding prior to the reorganization that will be effected immediately before completion of this offering.

Compensation Discussion and Analysis

        This section describes our compensation programs for executive officers. We address why we believe our programs are appropriate for our company and our stockholders, and we explain the process used for determining levels of compensation. Currently, First Wind has six executive officers. These executives have the broadest job responsibilities and policy-making authority in the company, and they are accountable for the company's performance. The details of compensation for our Chief Executive Officer, President and Chief Financial Officer, former Chief Financial Officer and the three other highest paid executive officers (collectively called the Named Executive Officers) can be found in the Summary Compensation Table on page 141.

        We believe our success depends on the continued contributions of our executive officers. We have designed our executive compensation programs with the philosophy of attracting, motivating and retaining experienced and qualified executive officers with compensation that recognizes individual merit and overall business results. We intend for our policies to support attaining our strategic objectives by aligning the interests of our executive officers with those of our stockholders through operational and financial performance goals and equity-based compensation.

        The principal elements of our executive compensation program for 2009 were base salary, annual cash incentives and long-term incentive compensation, and other benefits. Other benefits provided to our executive officers include life, disability, health and dental insurance benefits, a qualified 401(k) retirement savings plan with company matching contributions and paid vacation and holidays. We believe that the combination of these elements appropriately compensates the executives for their service, while also providing an incentive for the executives to create long-term value.

Our Compensation Committee

        The Compensation Committee of our board of directors is responsible primarily for overseeing our compensation policies and determining compensation of executive officers and members of the board. The members of our Compensation Committee are Messrs. Martin (Chairman), Eilers, Mogg and Wood. Mr. Mogg is an independent director under Nasdaq rules. We believe that because two of the members of the Compensation Committee are affiliated with major stockholders, the focus of the Compensation Committee in their deliberations on compensation matters will continue to be aligned with stockholders interests.

        The Compensation Committee holds regularly scheduled meetings and reports its activities to the board. In performing its functions, the Compensation Committee is supported by our human resources organization. The Compensation Committee retains independent experts and advisors as necessary to provide expert advice and opinion on compensation matters, market trends and changing legislation that governs executive compensation.

Responsibilities of the Compensation Committee

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Compensation Program Objectives

        Our objective is to hold executive officers accountable for the ethical, financial and competitive performance of the company. The program is designed to reward results that are superior to those of our competitors and that provide positive total stockholder return. To do this, our compensation program is based on these fundamental principles:

        The Compensation Committee reviews our executive compensation programs on an annual basis, to determine if the programs are effective in achieving the objectives established by the Compensation Committee.

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        Our Chief Executive Officer, President and Chief Financial Officer, General Counsel and Senior Vice President of Human Resources are regularly invited to attend meetings of the Compensation Committee, but are excused from the meetings during any discussion of their own compensation. No executive officer determines his or her own compensation or the compensation of any other executive officer. As members of the board, members of the Compensation Committee receives information concerning the performance of the company during the year and regularly interact with the company's management. The Chief Executive Officer and the President and Chief Financial Officer review the performance of the other executive officers with the Compensation Committee and make recommendations to the Compensation Committee with respect to the appropriate base salary, annual cash incentives and long-term equity incentive awards to be granted to the other executive officers. During the Compensation Committee's deliberations on executive compensation, the Chief Executive Officer also gives the Compensation Committee and the board an assessment of his own performance during the year just ended. The Senior Vice President of Human Resources assists in the preparation of and reviews the compensation recommendations made to the Compensation Committee.

        Based in part on these recommendations from our Chief Executive Officer and President and Chief Financial Officer, and the other considerations discussed below, the Compensation Committee will approve the annual compensation package of each of our executive officers, other than our Chief Executive Officer. The Compensation Committee alone will analyze the performance of our Chief Executive Officer and determines his base salary, annual cash incentive and long-term equity incentive awards. The Compensation Committee may seek input from our executive officers in addition to our Chief Executive Officer and President and Chief Financial Officer when establishing future performance goals of our individual executive officers.

        The Compensation Committee establishes specific performance targets for our executive officers to achieve in order to receive annual cash incentives. We expect these performance targets to be good indicators of the executive officers' impact on our operational success and provide specific standards that motivate the officers to perform in the company and our stockholders' best interests. We expect these targets to include performance measures that relate to increasing the value of the company, including, but not limited to: meeting financial targets associated with the operation and construction of our projects, achieving certain milestones with respect to our project development portfolio and specific major tasks that need to be accomplished to enhance our financial condition. Specifically, compensation will be based upon a competitive plan and paid based on a combination of group and individual goals that include meeting or exceeding key financial and operating criteria and other goals established by the board to enhance the value of our common stock. See the discussion of "Annual Cash Bonuses / Non-Equity Incentive Plans" beginning on page 135. In addition, merit base pay increases and long-term incentive awards are based generally on both company and individual performance, but are not tied to specific performance targets.

Certain Principles of Our Executive Compensation Programs

        Current compensation consists of base pay and annual cash incentives. Long-term compensation has been provided with equity in the form of Series B Units and we anticipate future long-term compensation awards to be made under the 2010 LTIP. The allocation between long-term and current compensation will be based on the nature of each executive's annual performance objectives and our retention objectives.

        The allocation between cash and non-cash compensation will be based on each executive's annual performance objectives and the retention objectives of the company and may vary from year to year. In

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2009, all current and short term compensation was paid in cash and any long term incentives were provided with equity in the form of Series B Units. We may decide in future years to pay some or all of short term and long term incentives in equity depending upon the nature of each executive's annual performance objectives and the goals and retention objectives of our company.

Our Executive Compensation Programs

        Overall, our executive compensation programs are designed to be consistent with the objectives and principles set forth above. The basic elements of our executive compensation programs are summarized in the table below, followed by a more detailed discussion of each compensation program.

Element   Characteristics   Purpose
Base Salary   Fixed amount that may be adjusted annually.   Attract and retain talent

Annual Bonus — Non Equity Incentive Plan

 

Based on performance against both company and individual goals and objectives.

 

Align executives' efforts with and motivate them to drive stockholder value and support both the short-term and long-term financial growth and stability of the company and reward results.

Long-Term Incentives

 

Based on performance individually and as an executive group.

 

Retain and motivate our executives over a longer term

401(k) Plan

 

Voluntary annual contributions matched by the company.

 

Enhance overall compensation package in accordance with market competitive practice.

Welfare Benefits

 

Ongoing participation in medical, life, disability, dental and other employee benefits.

 

Attract and retain talent and maintain the overall compensation package in accordance with market competitive practice.

Severance

 

Participation in our severance plan.

 

Provide severance benefits following involuntary termination without cause.

        The Compensation Committee generally considers total compensation when setting the compensation of the executive officers. Amounts realized by executives from prior compensation, such as gains from previous equity-based awards, are taken into account in setting other elements of compensation. The Compensation Committee reviews each executive officer's total compensation and benefits package. In doing so, the Compensation Committee considers the retention value of the long-term equity currently held by the executive and it considers the impact that retirement or termination would have on the executive's total compensation. Based on this review, the Compensation Committee may decide to adjust one or more elements of an executive's total compensation. Certain compensation decisions may specifically affect other elements of compensation. For example, because the bonus program is targeted as a percentage of the employee's base salary, increases in base salary also increase the amount of bonus for which executives are eligible. With respect to new executive officers, we take into account their prior base salary and annual cash incentives, as well as the

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contributions expected to be made by the new executive officer. We also believe that each of our executive officers should be fairly compensated relative to the pay levels of our other executive officers.

Annual Cash Compensation

        To attract and retain qualified executives, we provide a competitive total compensation package. To obtain information about competitive compensation we have primarily relied on informal reviews of compensation practices of similar companies as well as information we receive from executive search firms. While we have not generally used the services of external compensation consultants, the Compensation Committee retained the services of an external compensation consultant to provide advice on pay practices with respect to executive employment contracts and severance practices. The role of the compensation consultant was minor with respect to the compensation decisions and work performed by the Compensation Committee in 2009.

        We have not established a competitive peer group with which to make comparative compensation determinations, and do not "benchmark" any particular target levels of compensation.

        The Compensation Committee reviews the salaries of our executives as a group and individually annually. The factors considered when establishing the base salary for each executive officer include but are not limited to: the individual's performance, relevant experience, role, responsibilities and contribution level and the pay of our other executives. In addition, external market factors are also considered when reviewing base salaries of our executive officers.

        The base salaries paid to our Named Executive Officers for fiscal 2009 are set forth below in the summary compensation table. See "—2009 Summary of Compensation Table." For fiscal 2009, the Compensation Committee did not increase the salary of any executive officer as part of an annual review, although Messrs. Alvarez and Adams received salary increases in conjunction with promotions (discussed below). Mr. Gaynor serves as our Chief Executive Officer and is paid an annual salary of $375,000. Mr. Alvarez received a salary increase of 7.1% to $375,000 in conjunction with his promotion to President. No change to his salary was made following his assumption of the role of Chief Financial Officer in November 2009. Mr. Adams received a salary increase to $315,000 per year in conjunction with his promotion to Executive Vice President and Chief Development Officer. Mr. Wilson serves as our Executive Vice President, General Counsel and Secretary and receives an annual salary of $350,000. Ms. Grant serves as our Senior Vice President of External Affairs and received an annual salary of $200,000 in 2009, which was increased to $230,000 in February 2010. Mr. Metzner, whose employment ended on November 12, 2009, served as our Executive Vice President and Chief Financial Officer and was paid an annual salary of $350,000.

Annual Cash Bonuses / Non-Equity Incentive Plans

        The annual cash incentive plan for our Named Executive Officers provides for cash bonuses with a target bonus based upon a percentage of the executive officer's base salary. This target bonus percentage has been set at 100% of base salary for executive officers at the level of Executive Vice President or higher and 75% of base salary for executive officers at the level of Senior Vice President, but may be modified by the Compensation Committee from time to time depending upon the executive's role and contribution level and/or our incentive objectives. Any bonuses actually paid are determined in our discretion and may be less than, equal to or greater than the target bonus. Our 2009 cash bonus awards were recommended by the Chief Executive Officer and determined by the Compensation Committee based on performance measured against pre-established company and individual performance goals. The Compensation Committee alone determined the 2009 cash bonus for our Chief Executive Officer, based on the Compensation Committee's evaluation of our performance

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and individual performance goals described below. The extent to which each of the goals was met guided our Chief Executive Officer and the Compensation Committee in recommending and determining, respectively, the bonus paid to each Named Executive Officer.

        The Compensation Committee, with recommendations from the Named Executive Officers, established four company-wide targets for the purpose of measuring performance under the 2009 non-equity incentive plan. These company goals are weighted equally and each target had a stretch and a minimum threshold target. Achievement of at least the minimum threshold for two out of the four goals was a prerequisite for bonus payments under the plan.

        The following discussion provides information with respect to our goals and our results and explains how the Compensation Committee considered the results in determining the 2009 bonuses for the Named Executive Officers.

        The first goal for 2009 was Project EBITDA plus PTCs minus cash general and administrative expenses. The target for this goal was ($36.7 million) which excluded Milford I. The actual Project EBITDA plus PTCs of $44.8 million (Project EBITDA of $36.3 million plus PTCs of $13.0 million less amounts related to Milford I and allocations totaling $4.5 million), minus cash general and administrative expenses of $78.6 million (project development expenses of $35.9 million plus general and administrative expenses of $39.2 million plus non-cash items and allocations totaling $4.5 million), was equal to ($33.8 million) which favorably exceeded the target by 8%, or more than $3 million. See footnote 5 beginning on page 51 for a reconciliation of Project EBITDA to gross income (loss), which we believe to be the most directly comparable financial measure calculated and presented in accordance with GAAP.

        The second goal for 2009 was to raise the capital necessary to execute the business plan. The company successfully raised $115 million from affiliates of AIMCO in July 2009 (see Note 6 to our consolidated financial statements included elsewhere in this prospectus). We also managed our liquidity and received additional capital through ARRA grants, tax equity financing and restructuring of project level debt and turbine supply loans. As a result of these actions, we had sufficient capital to execute our 2009 plan and the target goal was satisfied.

        The third goal for 2009 was to complete construction of 2009 planned wind projects on time and on budget. Our Milford I Wind Corridor project was planned to commence commercial operations between October 15, 2009 and December 15, 2009 with a target of November 15, 2009. Milford I went into commercial operation on time and was under budget by approximately $5 million. The timetable for three other projects that had been targeted to be completed by the end of 2009 was modified due to external circumstances that delayed construction financing, although progress towards completion of these projects was made during 2009 despite these delays. The Compensation Committee determined that achievement of this goal was between threshold and target.

        The final goal for 2009 was to prepare for an initial public offering by developing and implementing plans for forecasting and reporting capabilities, corporate governance and other processes and policies appropriate for a public company. In order to achieve this goal the company developed a project plan with respect to the necessary actions to implement the required policies and procedures. The Compensation Committee determined that achievement of this goal was between threshold and target.

        In addition to the company-wide targets, each Named Executive Officer had individual goals for 2009.

        Mr. Gaynor's goals were principally tied to the four corporate goals listed above. Additional goals included objectives with respect to developing a highly effective management team, positioning the company to strategically compete within the wind power industry and developing alternative strategies

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to enable us to quickly react to both opportunities and threats that may arise due to the current economic and/or political environment.

        Mr. Alvarez's goals were principally tied to the operational and construction components of the four corporate goals listed above. Additional goals included objectives with respect to building the appropriate physical (office space) and systems infrastructure to support the growth of the business, plant operations and personnel safety and development of a highly effective management team.

        Mr. Adam's goals included objectives with respect to meeting project development milestones, advancement of existing projects through our internal review processes and building an additional pipeline of development projects to support future growth.

        Mr. Wilson's goals included objectives with respect to development of a highly effective legal organization, development of a plan for us to become a public company from a legal and governance standpoint and managing our internal and external legal costs so that they are commensurate with the value of services received.

        Ms. Grant's goals included objectives with respect to developing an external affairs function with the appropriate policies and practices to support our strategic objectives, implementing both internal and external communications and public affairs plans and staying abreast of key federal and state legislative and policy matters with respect to the wind industry.

        In determining bonuses for 2009 for our Named Executive Officers, the Compensation Committee considered the following:

        Taking into account the totality of the circumstances, including approximately 95% achievement of the company-wide goals, each of the Named Executive Officers' having fully met individual goals, the extraordinarily difficult economic and business environment and our ability to effectively operate in such an environment (including substantial implementation of our business plan), the Compensation Committee determined that payment of 2009 bonuses at target levels for each Named Executive Officer was appropriate.

        The amounts that each executive received can be found in the summary compensation table below. See "—2009 Summary of Compensation Table."

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        Pursuant to an employment agreement between First Wind and Mr. Wilson, Mr. Wilson received a sign-on bonus of $500,000 payable in two installments of $350,000 on December 31, 2008 and $150,000 on June 30, 2009. In addition, for 2009 Mr. Wilson received a guaranteed annual year-end bonus of $350,000 and was not a participant in our annual bonus plan. Beginning in 2010, Mr. Wilson will be subject to the same base salary and bonus plan (including a target bonus of 100% of his base salary in accordance with the guidelines set forth above) as all other executive officers.

        Mr. Alvarez was promoted to President in March of 2009. At the time of his promotion, he was awarded a bonus of $150,000, in recognition of his increased responsibilities.

Long-Term Equity Incentive Compensation

        We use long-term equity compensation to retain, motivate and align the interests of our officers and employees with those of our stockholders. As with cash compensation, the Compensation Committee determines all long-term awards. Our approach is to keep equity compensation competitive and meaningful, yet reflective of the individual's performance and long-term value to the company. To achieve this, the Compensation Committee does the following:

        Certain employees and some of our executive officers, including our Named Executive Officers, received such grants in 2009. As discussed under Grants of Plan-Based Awards, we awarded Series B Units to certain of our Named Executive Officers in 2009 of which 2,872,104 were new hire awards to Ms. Grant and Mr. Wilson in connection with their joining the company in 2008 and 2,611,003 were awards related to the promotions of Mr. Alvarez to President and Mr. Adams to Chief Development Officer. In January 2010, an additional 7,988,489 Series B Units were awarded to some of our Named Executive Officers. The January 2010 grants resulted from an annual review of each Named Executive Officer's total compensation, including equity. For all long-term equity awards granted to our executive officers, including awards made in 2008, the Compensation Committee considered several factors when determining the size of the awards including the Named Executive Officer's existing equity, individual performance and contribution level and scope of responsibility, as well as retention and ownership objectives for each Named Executive Officer. The awards granted in 2008 were made at a critical time in the Company's growth and development. The Compensation Committee determined the size of the 2008 awards using the same factors as outlined above, with a focus on achieving an appropriate balance of equity ownership percentages that would reflect and recognize past performance and contributions over a period when the Company's risk profile was much different, as well as properly incentivize new executive level talent added to the organization. The Compensation Committee had ownership targets they wanted to achieve for key contributors, including Messrs. Gaynor and Alvarez, in order to ensure that retention and ownership objectives were met with respect to the management team (including both existing and new executive level talent).

Other Benefits

        All employees may participate in our 401(k) Retirement Savings Plan, or 401(k) Plan as soon as they become an employee. We provide this 401(k) Plan to help our employees save a portion of their cash compensation for retirement in a tax efficient manner. We match the contributions made by our employees to the 401(k) Plan. Employees are immediately 100% vested in both their own contributions

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as well as the company match. Our Named Executive Officers participate in the 401(k) plan on the same basis as all other employees.

        All full-time employees, including our Named Executive Officers, may participate in our health and welfare benefit programs, including medical, dental and vision care coverage, disability insurance and life insurance.

        Our executive officers are eligible to participate in the same benefit programs that are broadly available to other employees, and under the same terms and conditions and at the same levels as other employees, subject to any limitations required by the benefit plans themselves such as compensation limits imposed by the Internal Revenue Service.

        Messrs. Alvarez and Wilson have arrangements with the company that provide for us to pay family travel and temporary housing expenses.

        Mr. Alvarez, when accepting his promotion to President in March 2009, agreed to spend an increased amount of his time in the Boston office. The company provides him with a company car and a furnished apartment in South Boston. The company also reimburses him for expenses related to quarterly visits by family members from San Francisco. Any of these reimbursements that are taxable to Mr. Alvarez are grossed up.

        Mr. Wilson's arrangement provides for a housing allowance of up to $4,000 per month for temporary living expenses including rent, parking and other expenses associated with his temporary housing in Boston as well as certain family travel expenses. Any of these reimbursements that are taxable to Mr. Wilson are grossed up.

        As Chief Development Officer, Mr. Adams was provided with a company car for a portion of 2009, but will not be provided with a company car for 2010.

        Mr. Metzner received other separation benefits including severance payments and continuation of his medical and dental benefits at the company's expense.

        The expenses described in this perquisite section are included in the Summary Compensation Table in the All Other Compensation column and in the Other Compensation table on pages 141 and 142.

Employment Agreements of Executive Officers

        Effective November 1, 2009, all employees, including the executive officers, moved to "at-will" employment arrangements. This was done to standardize the terms and conditions under which we employ people and to more closely align the interests of executive officers with those of our equity holders.

Severance and Change of Control Arrangements

        Our employees and executive officers are entitled to certain benefits upon the involuntary termination of their employment without cause. The severance provisions are governed by the terms of our severance plan. Severance benefits are cash payments made to executives over a specified period of time. The level of severance benefits is generally determined based on the contribution level and length of service of each person. These severance benefit levels were initially established by reviewing competitive data that is generally available combined with specific data provided by our compensation consultants. The Compensation Committee may, in its sole discretion, modify or terminate the

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severance plan, or the terms of any individual's severance benefit at any time, should business conditions or competitive practice warrant such change or termination.

Stock Ownership Guidelines

        We do not have stock ownership guidelines for our executive officers because we believe our current incentive compensation arrangements provide the appropriate alignment between executive officers and our stockholders. We will continue to periodically review best practices and evaluate our position with respect to stock ownership guidelines.

Securities Trading Policy

        Our securities trading policy provides that executive officers, including the Named Executive Officers, and our directors, may not, among other things, purchase or sell puts or calls to sell or buy our stock, engage in short sales with respect to our stock, buy our securities on margin, or otherwise hedge their ownership of our stock. The purchase or sale of stock by our executive officers and directors may only be made during certain windows of time and under the other conditions contained in our policy.

Tax Deductibility of Executive Compensation

        Limitations on deductibility of compensation may apply under Section 162(m) of the Code, as discussed below. An exception applies to this deductibility limitation for a limited period of time in the case of companies that become publicly traded. In addition, following such limited period of time, an exception to the $1 million limit applies with respect to certain performance-based compensation.

        Although deductibility of compensation is preferred, tax deductibility is not a primary objective of our compensation programs. We believe that achieving our compensation objectives set forth above is more important than the benefit of tax deductibility, and we reserve the right to maintain flexibility in how we compensate our executive officers that may result in limited deductibility of amounts of compensation from time to time.

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2009 Summary Compensation Table

        The following table shows information concerning the annual compensation for services provided to us by our Chief Executive Officer, our President and Chief Financial Officer, our former Chief Financial Officer and our three other most highly compensated executive officers during the fiscal year ended December 31, 2009. Any reference to the grant of Series B Units in this section is to First Wind Holdings, LLC's Series B Units, which were issued prior to the reclassification of First Wind Holdings, LLC's units that we are undertaking in connection with our reorganization, which we are effecting immediately before this offering. See "The Reorganization and Our Holding Company Structure."

Name and Principal Position
  Year   Salary(1)   Bonus   Stock
Awards(2)
  Non-Equity
Incentives(3)
  All Other
Compensation(4)
  Total  
Paul Gaynor     2007   $ 277,677   $ 500,000           $ 14,774   $ 792,451  
  Chief Executive Officer     2008   $ 362,765   $ 100,000   $ 6,488,720       $ 14,837   $ 6,966,322  
  and Director     2009   $ 375,323           $ 375,000   $ 11,900   $ 762,223  
Michael Alvarez(5)     2007   $ 277,488   $ 375,000           $ 19,488   $ 671,976  
  President and Chief     2008   $ 341,130   $ 100,000   $ 6,202,490       $ 19,286   $ 6,662,906  
  Financial Officer     2009   $ 369,761   $ 150,000   $ 438,648   $ 375,000   $ 134,001   $ 1,467,410  
Kurt Adams     2009   $ 315,322         $ 657,973   $ 315,000   $ 28,980   $ 1,317,275  
  Executive Vice President                                            
  and Chief Development                                            
  Officer                                            
Paul Wilson(6)     2008       $ 350,000               $ 350,000  
  Executive Vice President,     2009   $ 343,435   $ 500,000   $ 877,297   $   $ 116,793   $ 1,837,525  
  General Counsel and                                            
  Secretary                                            
Carol Grant     2009   $ 200,270       $ 328,986   $ 150,000   $ 10,088   $ 689,344  
  Senior Vice President,                                            
  External Affairs                                            
Michael Metzner(7)     2009   $ 324,735               $ 234,943   $ 559,678  
  Former Chief Financial                                            
  Officer                                            

(1)
Represents salary earned during the reportable year.

(2)
Represents the aggregate grant date fair value computed in accordance with FASB ASC Topic 718.

(3)
Represents Non-Equity incentives paid under the 2009 Bonus Plan as approved by the Compensation Committee in February 2010.

(4)
Represents the matching contributions of up to 4% made by us to the Named Executive Officer's 401(k) plan; payments made by us for long term and short-term disability and life insurance premiums as well as medical and dental insurance premiums and payments to provide other benefits to the Named Executive Officers as described in the supplemental table below.

(5)
Mr. Alvarez was promoted to President in March 2009 and assumed the role of Chief Financial Officer in November 2009. As part of his promotion to President, he received a bonus of $150,000.

(6)
Mr. Wilson received guaranteed bonuses of 150,000 (which was a portion of his $500,000 signing bonus) and 350,000 for 2009. $350,000 of his signing bonus was paid at the end of 2008.

(7)
Michael Metzner was our Chief Financial Officer between June 2008 and November 2009 when he left the company.

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Other Compensation

Name
  Year   Tax
Reimbursements(1)
  Welfare
Benefit
Premiums(2)
  Company
Contributions(3)
  Vehicle
Expense(4)
  Temporary
Living
Expense(5)
  Family
Travel(6)
  Relocation(7)   Other
Benefits(8)
  Total  

Paul Gaynor

    2007       $ 5,774   $ 9,000                       $ 14,774  

    2008       $ 5,637   $ 9,200                       $ 14,837  

    2009       $ 5,022   $ 6,878                       $ 11,900  

Michael Alvarez

    2007       $ 10,488   $ 9,000                       $ 19,488  

    2008       $ 10,086   $ 9,200                       $ 19,286  

    2009   $ 34,414   $ 10,088   $ 9,800   $ 6,845   $ 69,371   $ 3,483           $ 134,001  

Kurt Adams

    2009       $ 10,088   $ 7,214   $ 11,678                   $ 28,980  

Paul Wilson

    2009   $ 32,011   $ 8,109   $ 9,800       $ 49,333   $ 4,432   $ 13,108       $ 116,793  

Carol Grant

    2009       $ 10,088                           $ 10,088  

Michael Metzner

    2009       $ 10,017   $ 8,758                   $ 216,168   $ 234,943  

(1)
Represents tax gross-ups for relocation and temporary living expenses and family travel expenses.

(2)
Represents the premiums paid for medical, dental and life insurance benefits on the same basis as all other employees.

(3)
Represents the Company matching contributions to the 401(k) retirement savings plan.

(4)
Represents the cost to provide a company vehicle to the executive.

(5)
Represents the cost to provide temporary living accommodations.

(6)
Represents the cost to provide family travel benefits.

(7)
Represents the cost to provide relocation benefits.

(8)
Represents severance payments and payments for continuation of benefits made to Mr. Metzner from the time of his termination in November 2009 through the end of the year.

Grants of Plan-Based Awards

        In 2009, an aggregate of 5,483,107 Series B Units were awarded to certain of our Named Executive Officers pursuant to restricted unit agreements, as summarized in the table below. In addition, in January 2010 an aggregate of 7,988,489 Series B-5 Units were awarded to certain of our Named Executive Officers. Mr. Gaynor received 1,823,856 units, Mr. Alvarez received 2,735,784 units, Mr. Adams received 2,553,398 units, Mr. Wilson received 364,771 units and Ms. Grant received 510,680 units. As these grants were made after the reportable year, they are not reflected in the Summary Compensation Table, the Grants of Plan-Based Awards Table or the Outstanding Equity at Year End Table.

 
   
   
  Estimated Possible Payments Under
Non-Equity Incentive Plan Awards(2)
   
   
 
 
   
   
  All other
Stock
Awards
Units
(#)(1)
   
 
 
   
   
  Grant Date
Fair Value
Stock
Awards(4)
 
Name
  Committee
Action
Date(1)
  Grant
Date(1)
  Threshold
$(3)
  Target
$
  Maximum
$
 

Paul Gaynor(5)

          $ 187,500   $ 375,000   $ 750,000          

Michael Alvarez

    5/6/2009     6/15/2009   $ 187,500   $ 375,000   $ 750,000     1,044,401   $ 438,648  

Kurt Adams

    5/6/2009     6/15/2009   $ 157,500   $ 315,000   $ 630,000     1,566,602   $ 657,973  

Paul Wilson(6)

    5/6/2009     6/15/2009                 2,088,803   $ 877,297  

Carol Grant

    5/6/2009     6/15/2009   $ 75,000   $ 150,000   $ 300,000     783,301   $ 328,986  

Michael Metzner(7)

                                           

(1)
Series B-4 Units.

(2)
The Compensation Committee approved the non-equity incentive plan on February 6, 2009.

(3)
Assumes the minimum thresholds are achieved. If the minimum threshold targets are not met, no bonuses are paid.

(4)
Grant date fair value computed in accordance with FASB ASC Topic 718.

(5)
Mr. Gaynor did not receive equity in 2009.

(6)
Mr. Wilson was not eligible for a non-equity incentive plan award.

(7)
Mr. Metzner did not receive equity in 2009 and did not receive a non-equity incentive plan award due to the termination of his employment in November 2009.

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Outstanding Equity Awards at Fiscal Year End

        The following table sets forth the outstanding equity awards of our Named Executive Officers as of December 31, 2009.

Name
  No. of Series B
Units that have
Not Vested (#)
  Market Value of
Series B Units
that have Not
Vested ($)(1)
 

Paul Gaynor

             
 

Series B-1

    938,088   $ 525,329  
 

Series B-3

    10,021,333   $ 0  

Michael Alvarez

             
 

Series B-3

    9,579,333   $ 0  
 

Series B-4

    1,044,401   $ 0  

Kurt Adams

             
 

Series B-3

    2,252,667   $ 0  
 

Series B-4

    1,044,401   $ 0  

Paul Wilson

             
 

Series B-4

    2,088,803   $ 0  

Carol Grant

             
 

Series B-4

    522,201   $ 0  

Michael Metzner(2)

      $  

(1)
Market Value determined based on a business enterprise valuation performed by us with the assistance of an independent valuation firm and based upon hypothetical distributions upon liquidation.

(2)
Mr. Metzner forfeited 6,116,000 unvested Series B-3 Units due to the termination of his employment in November 2009.

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        The following table shows the vesting schedule for Series B Units granted to our Named Executive Officers that were outstanding as of December 31, 2009. Our reorganization and this offering will not accelerate the vesting periods of our outstanding Series B Units.

Name
  Units
Granted
  Grant
Date
  Vesting
Commmencement
Date(1)
 

Paul Gaynor

                   
 

Series B-1

    6,192,000     4/28/2006     Various (2)
 

Series B-2

    8,000,000     12/30/2006     12/30/2006  
 

Series B-3

    6,800,000     4/8/2008     4/8/2008  
 

Series B-3

    8,232,000     6/25/2008     6/25/2008  

Michael Alvarez

                   
 

Series B-2

    2,500,000     12/30/2006     12/30/2006  
 

Series B-3

    6,500,000     4/8/2008     4/8/2008  
 

Series B-3

    7,869,000     6/25/2008     6/25/2008  
 

Series B-4

    1,044,401     6/15/2009     3/23/2009  

Kurt Adams

                   
 

Series B-3

    1,200,000     5/19/2008     5/19/2008  
 

Series B-3

    2,179,000     6/25/2008     6/25/2008  
 

Series B-4

    1,566,602     6/15/2009     11/1/2008  

Paul Wilson

                   
 

Series B-4

    2,088,803     6/15/2009     1/1/2009  

Carol Grant

                   
 

Series B-4

    783,301     6/15/2009     10/20/2008  

Michael Metzner

                   
 

Series B-3

    N/A     N/A     N/A  

(1)
Units vest in three equal annual installments beginning on the first anniversary of the vesting commencement date and continuing on each of the following two anniversaries thereof.

(2)
On April 28, 2006, 31.91% of the Series B-1 Units began to vest. On July 28, 2006, 7.76% of the Series B-1 Units began to vest. On October 2, 2006, 11.78% of the Series B-1 Units began to vest. On November 1, 2006, 3.10% of the Series B-1 Units began to vest. On January 3, 2007, 4.08% of the Series B-1 Units began to vest. Pursuant to an amendment to the restricted unit agreements entered into in connection with the issuance of Series B-1 Units on March 31, 2008, all remaining Series B-1 Units (41.38%) began to vest on January 1, 2008. Each of these dates is considered a vesting commencement date.

Restricted Series B Units

        Pursuant to the terms of the limited liability company agreement of First Wind Holdings, LLC, as of December 31, 2007, we were authorized to issue up to 56,929,571 Series B Units as restricted grants to our officers, directors and employees. On April 7, 2008, First Wind Holdings, LLC increased the aggregate number of authorized Series B Units to 77,212,000 and on May 20, 2008 First Wind Holdings, LLC increased the aggregate number of authorized Series B Units to 180,000,000, of which 45,000,000 are not subject to any restrictions. Upon completion of this offering, holders of vested Series B Units that have then current value will receive shares of Class A common stock for such units. Unvested Series B Units and vested Series B Units that do not then have current value will expire under the terms of the current LLC Agreement of First Wind Holdings, LLC. The Series B Units were intended to constitute "profits interests" within the meaning of Revenue Procedures 93-27 and 2001-43. The "Outstanding Equity Awards at Fiscal Year End" table above provides individual quantitative information with respect to grants of all series of Series B Units to each of our Named Executive Officers as of December 31, 2009.

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        A portion of the Series B-1 Units began to vest on the date the units were granted, April 28, 2006. Additional Series B-1 units became vesting units on capital call completion dates according to a "funding fraction," where the numerator is the capital contributed as of such date and the denominator is the aggregate capital commitment. Each unit that becomes a vesting unit on any particular capital call date is considered to be in the same "tranche" of vesting units. On March 31, 2008, the Restricted Unit Agreements with respect to the Series B-1 Units were amended to allow all remaining unvesting Series B-1 units to begin vesting as of January 1, 2008. Each Series B-2 and B-3 Unit began vesting on its respective grant date. B-4 Units began vesting on either the grant date or the recipient's hire date depending upon whether the grant was a new hire award or a performance-based or promotion-based award.

        If an officer remains continuously employed by us from the date he or she is granted Series B Units through the first anniversary of the date a tranche began to vest, 1/3 of his or her units in such tranche will become vested shares. Assuming continued employment by us, an additional 1/3 of the units in the tranche will vest on the second anniversary of the date the tranche began to vest and the remaining 1/3 will vest upon the third anniversary of the date the tranche began to vest.

        The arrangements governing the Series B Units provide that, in the event of a sale or business combination that results in a majority of First Wind Holdings, LLC's current Series A Units being held by any person or group of persons who were not equityholders as of April 28, 2006, or upon a liquidation event, all unvested units that have not previously vested will become vested units provided the officer has remained continuously employed by us from the date his or her shares of Series B Units were granted through the date of the change of control or liquidation event. However, at our discretion, we may require an executive to continue with us in substantially the same capacity and for substantially the same compensation for a transition period of up to nine months. If we exercise this right, 10% of the proceeds payable upon a change of control or liquidation event with respect to such executive's vested units may be held back by us until he or she has fulfilled his or her transition period obligations.

Non-Competition and Confidentiality Agreements

        All officers granted restricted units discussed above were required to concurrently enter into non-competition and confidentiality agreements. Pursuant to these agreements, within the United States, Mexico and Canada, each officer has agreed not to compete with our business, as it exists during the term of the agreement, either directly or indirectly for a period ending two years after the officer is no longer employed by us. In addition, each officer must keep confidential non-public information belonging to us for a period of three years following the end of his or her employment with us. These agreements are discussed further in "—Potential Payments upon Termination or Change in Control" below.

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Stock Vested in the Fiscal Year Ended December 31, 2009

        None of our executives owned or exercised any stock options during 2009. The table below shows the number of units held by each executive that vested during 2009, along with the value each executive realized upon this vesting.

Name
  No. of Units
Vested (#)
  Value realized on
Vesting ($)(1)(2)
 

Paul Gaynor

             
 

Series B-1

    2,064,000   $ 1,155,840  
 

Series B-2

    2,666,666   $ 613,333  
 

Series B-3

    5,010,667   $ 0  

Michael Alvarez

             
 

Series B-2

    833,334   $ 191,667  
 

Series B-3

    4,789,667   $ 0  

Kurt Adams

             
 

Series B-3

    1,126,334   $ 0  
 

Series B-4

    522,201   $ 0  

Paul Wilson

             
 

Series B-4

           

Carol Grant

             
 

Series B-4

    261,100   $ 0  

Michael Metzner

             
 

Series B-3

    3,058,000   $ 0  

(1)
Value realized calculated based on market value on the vesting date.

(2)
Market value determined based on a business enterprise valuation performed by us with the assistance of an independent valuation firm and based upon hypothetical distribution upon liquidation.

Pension Benefits

        Other than our 401(k) Plan, we do not have any plan that provides for payments or other benefits at, following, or in connection with, retirement.

Non-Qualified Deferred Compensation

        We do not have any plan that provides for the deferral of compensation on a basis that is not tax qualified.

Potential Payments Upon Termination or Change in Control

        All employment agreements were terminated with effect on November 1, 2009, pursuant to the company's program to move to an "at-will" employment status with all employees. See "—Employment Agreements of Executive Officers."

        Our executive officers are entitled to certain benefits upon the involuntary termination of their employment without cause. The severance provisions are governed by the terms of our severance plan which was adopted on November 1, 2009.

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        Under the terms of our severance plan, if an executive officer's employment is terminated involuntarily without cause, the executive officer is entitled to severance benefits in the form of salary continuation paid over time, in the amounts set forth in the table below. The company reserves the right to pay any lesser amount, to the extent such an adjustment is warranted by the circumstances. Payment of severance is conditioned on the executive officer's compliance with certain post-employment covenants. Cash severance is the only benefit provided under the severance plan. The executive officer may choose to continue medical and dental benefits through COBRA at his or her own cost.

        If an executive officer resigns voluntarily, retires, fails to return from vacation or leave of absence, dies or becomes disabled, or an executive officer's employment is terminated for cause, the executive officer will not receive any severance benefits. We have defined "cause" in the severance plan. Generally, the definition includes conviction of a crime, willful misconduct or gross negligence, substance abuse, failure to carry out the directives of the board and breach of any confidentiality agreement with the company.

        Each of our Named Executive Officers has been granted Series B Units, which are governed by an individual restricted unit agreement. The general vesting schedule for the Series B Units is discussed above under "—Restricted Series B Units," although these agreements provide for accelerated vesting of the units upon a change in control, or as a result of the executive officer's death or disability. A "change in control" means (1) a sale or business combination that results in a majority of our Series A Units being held by any person or group of persons who were not our stockholders on April 28, 2006 or (2) a liquidation event.

        If an executive officer resigns or retires voluntarily, or an executive officer's employment is terminated for cause, the executive officer forfeits all Series B Units including any vested Units. We have defined "cause" in the agreement. Generally, the definition includes conviction of a crime, willful misconduct or gross negligence, substance abuse, failure to carry out the directives of the board and breach of any confidentiality agreement with the company. If an executive officer's employment is terminated without cause, all unvested Series B Units are forfeited and vested Series B Units are subject to the company's repurchase rights discussed above.

        The table below reflects the amount of the termination benefit payable to the Named Executive Officers in the event of a termination of employment or a change in control. The amount of compensation payable to each executive in each situation is listed as our best estimate of the amount that the executive would receive; the exact amount of termination benefits could only be determined upon an actual termination of the executive. We have assumed that all expenses to which the executive might be entitled to have already been paid to the executive as of December 31, 2009, and that no mitigating circumstances exist that would allow us to decrease the payments to the executives. The amounts shown also assume that the applicable termination was effective as of December 31, 2009.

        The table below reflects the amount of compensation payable to our Named Executive Officers as of December 31, 2009 in the event of a termination of employment or a Change in Control. The

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amount of compensation payable to each such officer in each situation is listed. The amounts shown assume that such termination is effective as of December 31, 2009:

Name
  Benefit   Involuntary Not-For-
Cause Termination(1)
  Death or
Disability(2)
  Change in Control(3)  

Paul Gaynor (4)

    Base Salary   $ 531,250              

    Accelerated B Units         $ 525,329   $ 525,329  

Michael Alvarez(4)

    Base Salary   $ 468,750              

    Accelerated B Units         $ 0   $ 0  

Kurt Adams(5)

    Base Salary   $ 183,750              

    Accelerated B Units         $ 0   $ 0  

Paul Wilson(5)

    Base Salary   $ 204,167              

    Accelerated B Units         $ 0   $ 0  

Carol Grant(5)

    Base Salary   $ 116,667              

    Accelerated B Units         $ 0   $ 0  

Michael Metzner(6)

    Base Salary   $ 596,044              

    Accelerated B Units                    

(1)
The amounts in this column reflect the value of the maximum severance benefits payable under the First Wind severance plan at 12/31/2009.

(2)
If the executive dies or becomes disabled, all vesting of unvested B Units is accelerated. The amounts in this column reflect the value of unvested Series B Units held by the executive as of December 31, 2009. The market value was determined based on a business enterprise valuation performed by an independent valuation firm and based upon the hypothetical distribution upon liquidation.

(3)
In the event of a termination as a result of change of control, all vesting of unvested B Units is accelerated. The amounts shown in this column reflect the value of unvested Series B Units held by the executive as of December 31, 2009. The market value was determined based on a business enterprise valuation performed by an independent valuation firm and based upon the hypothetical distribution upon liquidation.

(4)
For the CEO and President, the First Wind severance plan allows for a minimum of 12 months of salary continuation plus one additional month for every full year of service with a maximum of 18 months of salary continuation.

(5)
For the remaining executive officers, the severance plan provides for a minimum of six months of salary continuation plus one additional month for every full year of service with a maximum of 12 months of salary continuation.

(6)
The amounts reflect the total severance benefits that Mr. Metzner will receive as a result of the termination of his employment in November 2009. The amounts also include the cost to continue medical and dental coverage for Mr. Metzner during his salary continuation and legal fees paid for review of his separation agreement. Mr. Metzner forfeited his unvested Series B Units upon such termination.

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Director Compensation

        The following table sets forth annual compensation for our non-employee directors for 2009.

Name
  Fees Earned or
Paid in Cash($)
 

Zaid Alsikafi(1)

  $  

Richard Aube

     

Patrick Eilers

     

Peter Gish

     

Stephen Key

    100,000  

Bryan Martin

     

Chris McGowan(2)

     

Jim Mogg

    180,000  

Matthew Raino(3)

     

(1)
Mr. Alsikafi left the board in 2009.

(2)
Mr. McGowan joined and left the board in 2009.

(3)
Mr. Raino joined the board in 2009.

        No stock awards were made to directors in the year ended December 31, 2009. As of December 31, 2009, Mr. Key had 1,068,666 unvested Series B-3 Units and Mr. Mogg had 1,916,000 unvested Series B-3 Units. These Series B-3 Units vest in three equal annual installments starting on the first anniversary of the date of grant. In addition, in January 2010 we issued 364,771 and 273,578 Series B-5 Units to Messrs Key and Mogg, respectively, which are not reported in the table above. We compensate Messrs. Key and Mogg with an annual retainer fee for their service on our board of directors. Mr. Mogg's annual retainer was set at a higher level because of the additional duties and responsibilities inherent in the position of the Chairman of the board of directors. None of our other non-employee directors receive compensation for their service. Following this offering, our non-employee directors (including directors designated by our Sponsors pursuant to the nominating agreement) are expected to receive compensation that is commensurate with arrangements offered to directors of companies that are similar to ours. We have not nor do we expect to compensate our employee directors for their service on our board of directors. We also expect to reimburse all directors for reasonable out-of-pocket expenses that they incur in connection with their service as directors, in accordance with our general expense reimbursement policies. Our independent directors will also be eligible to receive stock options and other equity-based awards when, as and if determined by the Compensation Committee pursuant to the terms of our LTIP Plan.

Risk Associated with Compensation Policies and Practices

        In 2010, the Compensation Committee, with the assistance of outside legal counsel, reviewed and evaluated the current risk profile of our employee compensation policies and practices. The Compensation Committee's evaluation focused on material incentive compensation plans and covered a range of plans including both equity and cash incentive plans. The Compensation Committee discussed the terms of each plan, the relationship between each plan and risk and, where applicable, the effect of future awards and the initial public offering. The Compensation Committee analyzed the risks intrinsic to these compensation programs and how individual behavior could potentially exacerbate these risks.

        The nature of the Company's business, including the amount of capital and time required to develop projects, and the structure of the compensation plans, do not present significant opportunities for management to take material actions to enhance short-term returns while undertaking longer-term risks. The Company's material compensation policies and practices are intended to align compensation

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with long-term shareholder interests. In light of this evaluation, the Compensation Committee believes that the operation of the Company's compensation policies and practices are not reasonably likely to have a material adverse effect on the Company.

Description of Long-Term Incentive Plan

        Our LTIP Plan was adopted by our board of directors on                    and approved by our stockholders on                    . The LTIP Plan allows for the grant of stock options, stock appreciation rights, restricted stock, deferred stock, performance-related awards or stock-based awards. The primary purpose of the LTIP Plan is to enhance our ability to attract and retain highly qualified officers, directors, key employees and other persons, to motivate such persons to continue in our service and to expend maximum effort to improve our business results, by providing to such persons an opportunity to acquire or increase a direct proprietary interest in our operations and future success.

        We plan to grant at the time this offering is completed non-qualified stock options to employees (including our Named Executive Officers), some of whom currently hold Series B Units that will expire as a result of the Reorganization. Our Compensation Committee will decide the numbers of options to be granted and the terms on which they will be granted using the same factors as they have used in the past for determining equity awards (as described above under "Executive Compensation—Long-Term Equity Incentive Compensation"), including: the Named Executive Officer's existing equity, individual performance and contribution level and scope of responsibility, as well as retention and ownership objectives for each Named Executive Officer. In addition, for grants awarded at the time of this offering, the Committee may take into account the future value of existing equity that will expire as a result of the Reorganization in an effort to preserve the original retention objectives of the expired award. We have reserved                    shares of Class A common stock for issuance under the LTIP Plan.

        Our board of directors has appointed the Compensation Committee to administer the LTIP Plan pursuant to its terms, except in the event our board of directors chooses to take action as provided under the LTIP Plan. Our Compensation Committee at all times will be comprised of two or more individuals that constitute "outside directors" as defined in Section 162(m) of the Internal Revenue Code and, in the discretion of our board of directors, "nonemployee directors" as defined in Rule 16b-3 under the Exchange Act. Unless otherwise limited by the board, the Compensation Committee has broad discretion to administer the LTIP Plan, including the power to determine to whom and when awards will be granted, to determine the amount of such awards (measured in cash, shares of Class A common stock or as otherwise designated), to determine the vesting and exercisability of awards and to prescribe and interpret the other terms and provisions of each award agreement, to delegate duties under the LTIP Plan and to execute all other responsibilities permitted or required under the LTIP Plan.

        Our Class A common stock issued or to be issued under the LTIP Plan consists of authorized but unissued shares and issued shares that we have reacquired. If any shares covered by an award are not purchased or are forfeited, or if an award is settled in cash or otherwise terminates without delivery of any Class A common stock, then the number of shares of Class A common stock counted against the aggregate number of shares available under the LTIP Plan with respect to the award will, to the extent of any such forfeiture, cash settlement or termination, again be available for making awards under the LTIP Plan.

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        Awards may be made under the LTIP Plan to any individual who provides services to us, including non-employee directors and consultants, and is designated by our board of directors or Compensation Committee as eligible to receive an award.

        Our board of directors may amend, suspend or terminate the LTIP Plan at any time and for any reason. The LTIP Plan will terminate in any event 10 years after the date of its adoption by the board. Amendments to the LTIP Plan will be submitted for stockholder approval to the extent stated by the board of directors, required by the Internal Revenue Code or other applicable law or required by applicable stock exchange listing requirements. In addition, an amendment to the LTIP Plan will be contingent on stockholder approval if the amendment would materially increase the benefits accruing to participants under the LTIP Plan, authorize the repricing of stock options or stock appreciation rights, increase the aggregate number of shares of Class A common stock that may be issued under the LTIP Plan, impair the rights of participants or modify the requirements as to eligibility for participation in the LTIP Plan.

        The LTIP Plan permits the granting of options to purchase shares of Class A common stock intended to qualify as incentive stock options under the Internal Revenue Code and stock options that do not qualify as incentive stock options. The exercise price of each stock option may not be less than 100% of the fair market value of the Class A common stock on the date of grant. In the case of certain 10% stockholders who receive incentive stock options, the exercise price may not be less than 110% of the fair market value of the Class A common stock on the date of grant.

        The term of each stock option is fixed at the time of grant and may not exceed 10 years from the date of grant. The board of directors or Compensation Committee determines at what time or times each option may be exercised and the period of time, if any, after retirement, death, disability or termination of employment during which options may be exercised. Options may be made exercisable in installments. The exercisability of options may be accelerated by our board of directors or Compensation Committee.

        In general, an optionee may pay the exercise price of an option in cash or in cash equivalents, by tendering shares of Class A common stock to the extent provided in an award agreement, pursuant to "net settlement" of the option or by means of a broker assisted cashless exercise to the extent provided in an award agreement and permitted by applicable law, or as otherwise provided in an award agreement and permitted by applicable law.

        Stock options granted under the LTIP Plan may not be sold, transferred, pledged or assigned other than by will or under applicable laws of descent and distribution. However, we may permit in an award agreement the limited transfers of non-qualified options for the benefit of family members of grantees.

        The LTIP Plan permits the granting of the following additional types of awards:

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        Section 162(m) of the Internal Revenue Code limits publicly-held companies to an annual deduction for federal income tax purposes of $1 million for compensation paid to each of their covered employees. The LTIP Plan, for a period of time following this offering, will qualify for an exception to the rules imposed by Section 162(m) of the Internal Revenue Code. Therefore, awards will be exempt from the limitations on the deductibility of annual compensation in excess of $1.0 million. In addition, Section 162(m) of the Internal Revenue Code contains an exemption for performance-based compensation. The LTIP Plan is designed to permit us to grant awards that qualify as performance-based for purposes of satisfying the conditions of Section 162(m).

        Under the LTIP Plan, one or more of the following business criteria, on a consolidated basis, and/or with respect to specified subsidiaries or business units, will be used exclusively by the Compensation Committee in establishing performance goals:

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        The maximum number of shares of common stock subject to options or stock appreciation rights that can be awarded under the LTIP Plan to any person is            per year. The maximum number of shares of common stock that can be awarded under the LTIP Plan to any person, other than pursuant to an option or a stock appreciation right, is            per year. Under the LTIP Plan, the maximum amount that may be earned as an annual incentive award or other cash award in any calendar year by any one person is $2 million, and the maximum amount that may be earned as a performance award in respect of a performance period by any one person is $5 million.

        We may make appropriate adjustments in outstanding awards and the number of shares available for issuance under the LTIP Plan, including the individual limitations on awards, to reflect recapitalizations, reclassifications, stock splits, reverse splits, stock dividends and other similar events.

        Upon certain change of control transactions, such as the sale of our company, the board of directors or Compensation Committee may vest awards granted under the LTIP Plan and may make other or additional adjustments to awards as it deems appropriate.

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PRINCIPAL STOCKHOLDERS

        The following table sets forth certain information regarding the beneficial ownership of our Class A common stock and Class B common stock as of                  , by (i) each person who, to our knowledge, beneficially owns more than 5% of our Class A common stock or our Class B common stock; (ii) each of our directors and named executive officers; and (iii) all of our executive officers and directors as a group. The information set forth below gives effect to our reorganization and assumes the sale of            shares of our Class A common stock in this offering at an assumed initial public offering price of $            per share (the midpoint of the range set forth on the cover of this prospectus). The information in the following table may change based on the actual initial public offering price. See "The Reorganization and Our Holding Company Structure." The information set forth below after this offering assumes the sale of                  shares of our Class A common stock in this offering and no exercise of the underwriters' over-allotment option.

        The number of shares beneficially owned by each stockholder is determined under SEC rules. Under these rules, beneficial ownership includes any shares as to which the stockholder has sole or shared voting power or investment power. Each of the stockholders listed below has sole voting and investment power with respect to the stockholder's shares unless noted otherwise, subject to community property laws where applicable. Shares of common stock that may be acquired by a stockholder within 60 days following                  pursuant to the exercise of options are deemed to be outstanding for the purpose of computing the percentage ownership of such stockholder but are not deemed to be outstanding for computing the percentage ownership of any other stockholder.

 
   
  Percentage of
Shares of
Class A Common
Stock
Beneficially
Owned(1)
   
  Percentage of
Shares of
Class B Common
Stock
Beneficially
Owned(1)
 
  Shares of
Class A
Common
Stock
Beneficially
Owned(1)
  Shares of
Class B
Common
Stock
Beneficially
Owned(1)(2)
Name
  Before
Offering
  After
Offering
  Before
Offering
  After
Offering

Stockholders owning 5% or more:

                       
 

The D. E. Shaw group(3)

                       
 

Madison Dearborn(4)

                       

Directors and executive officers:

                       
 

Paul Gaynor(5)

                       
 

Michael Alvarez

                       
 

Kurt Adams

                       
 

Paul Wilson

                       
 

Michael Metzner

                       
 

Richard Aube(6)

                       
 

Patrick Eilers

                       
 

Peter Gish

                       
 

Stephen Key

                       
 

Bryan Martin(6)

                       
 

Jim Mogg

                       
 

Matthew Raino

                       
 

Pat Wood III

                       

All executive officers and directors as a group (15 persons)

                       

*
Less than one percent

(1)
Unless otherwise indicated, all shares of stock are held directly with sole voting and investment power. Assumes no exercise of the underwriters' over-allotment option.

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(2)
Figure shown includes the sum of all Series B-1, B-2 and B-3 Units beneficially owned by the individual, irrespective of whether such units are vested.

(3)
Includes            shares of common stock held directly by D. E. Shaw MWP Acquisition Holdings, L.L.C. (the "Subject Shares"). D. E. Shaw MWP Acquisition Holdings, L.L.C. has power to vote or direct the vote of (and the power to dispose or direct the disposition of) the Subject Shares. D. E. Shaw & Co., L.P., as investment adviser to D. E. Shaw MWP Acquisition Holdings, L.L.C., may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) the Subject Shares. As general partner of D. E. Shaw & Co., L.P., D. E. Shaw & Co., Inc. may be deemed to have the shared power to vote or to direct the vote of (and the shared power to dispose or direct the disposition of) the Subject Shares. Neither D. E. Shaw & Co., L.P. nor D. E. Shaw & Co., Inc. owns any common stock directly, and each such entity disclaims beneficial ownership of the Subject Shares. David E. Shaw does not own any common stock directly. By virtue of David E. Shaw's position as President and sole shareholder of D. E. Shaw & Co., Inc., which is the general partner of D. E. Shaw & Co., L.P., which in turn is the investment adviser of D. E. Shaw MWP Acquisition Holdings, L.L.C., David E. Shaw may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) the Subject Shares. David E. Shaw disclaims beneficial ownership of the Subject Shares. Messrs. Aube and Martin, directors of First Wind, are each Managing Directors of D. E. Shaw & Co., L.P. and thus may be deemed to have the shared power to vote or to direct the vote of (and the shared power to dispose or direct the disposition of) the Subject Shares. Messrs. Aube and Martin disclaim beneficial ownership of the Subject Shares. The address for the D. E. Shaw group is 120 West Forty Fifth Street, 39th floor, New York, New York 10036

(4)
of these shares are held of record by Madison Dearborn Capital Partners IV, L.P. (MDCP) and        of these shares are held of record by Northwestern University. MDCP has an irrevocable proxy to vote the shares held by Northwestern University in all matters subject to stockholder approval. All of these shares may be deemed to be beneficially owned by Madison Dearborn Partners IV, LP (MDP IV), the sole general partner of MDCP. Messrs. John A. Canning, Jr., Paul J. Finnegan and Samuel M. Mencoff are the sole members of a limited partner committee of MDP IV that has the power, acting by majority vote, to vote or dispose of the shares beneficially held by MDCP. Mr. Eilers is a limited partner of MDP IV and a Managing Director of Madison Dearborn Partners, LLC (the general partner of MDP IV), and therefore may be deemed to share beneficial ownership of the shares beneficially held by MDCP. Messrs. Canning, Finnegan, Mencoff, and Eilers and MDP IV each hereby disclaims any beneficial ownership of any shares held by MDCP, except to the extent of each such person's pecuniary interest therein. The address of MDCP and each of the persons described in this footnote is Three First National Plaza, Suite 4600, 70 West Madison Street, Chicago, Illinois 60602.

(5)
of these shares are held of record in the name of Summer Holdings, LLC, a Delaware limited liability company (SH), of which Paul Gaynor is the sole manager. As set out in the operating agreement of SH, the manager of SH has sole voting and investment control of the shares held of record by SH. The members of SH include Paul Gaynor and certain family trusts established by Paul Gaynor or his spouse. The address of each of SH, Paul Gaynor and the said family trusts is Attn: Don Cordell, Bowditch & Dewey, LLP, 175 Crossing Blvd, Suite 500, Framingham, MA 01702.

(6)
Consists of            shares held by entities affiliated with the D. E. Shaw group. See note 3 above.

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CERTAIN RELATIONSHIPS AND RELATED PARTY TRANSACTIONS

        In this section, any reference to Series B Units is to First Wind Holdings, LLC's Series B Units, which were outstanding prior to our reorganization which will be effected immediately before completion of this offering.

        Since January 1, 2007, there has not been, nor is there currently proposed, any transaction or series of similar transactions to which we were or are a party in which the amount involved exceeded or exceeds $120,000 and in which any of our directors, executive officers, holders of more than 5% of any class of our voting securities, or any member of the immediate family of any of the foregoing persons, had or will have a direct or indirect material interest, other than compensation arrangements with directors and executive officers, which are described where required in "Management" and "Executive Compensation", and the transactions described or referred to below.

Proposed Transactions with First Wind Holdings Inc.

        In connection with the reorganization, we will engage in certain transactions with certain of our directors and other persons and entities that will become beneficial owners of 5% or more of our voting securities through their ownership of shares of our Class A common stock and Class B common stock. These transactions are described in "The Reorganization and Our Holding Company Structure."

Historical Transactions with First Wind Holdings, LLC

        Before this offering, our business was conducted through First Wind Holdings, LLC. The only entities who have at any time been beneficial owners of five percent or more of the voting units of First Wind Holdings, LLC are UPC Wind Partners II, LLC, the D. E. Shaw group and Madison Dearborn. Set forth below is a description of certain transactions between First Wind Holdings, LLC and certain of our directors, executive officers and principal securityholders.

Securities Issuances and Related Matters

        On January 3, 2007 and March 15, 2007, pursuant to its limited liability agreement, First Wind Holdings, LLC issued an aggregate of 13,348,928 Series A Units for aggregate consideration of $13,348,928. The table below sets forth the number of Series A Units sold to our directors, executive officers and 5% stockholders and their affiliates in connection with these financings.

Name
  Series A Units   Aggregate Purchase Price  

The D. E. Shaw group

    6,050,000   $ 6,050,000  

Madison Dearborn

    6,050,000     6,050,000  

UPC Wind Partners II, LLC(1)

    1,026,812     1,026,812  

Paul Gaynor

    12,791     12,791  

Michael Alvarez

    183,743     183,743  

Total

    13,348,928   $ 13,348,928  

(1)
Certain of the outstanding membership interests in UPC Wind Partners II, LLC are owned by BEC Montana Properties 2, LLC, an entity owned and controlled by Brian Caffyn, a member of the board of management of First Wind Holdings, LLC, Swift Diamond Holdings LLC, an entity owned and controlled by Peter Gish and Summer Holdings, LLC, an entity owned and controlled by Paul Gaynor.

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        In 2008, pursuant to its limited liability agreement and in connection with a refinancing of indebtedness held by HSH Nordbank AG, New York Branch (HSH), First Wind Holdings, LLC issued an aggregate of 460,340,707 additional Series A Units for aggregate consideration of $460,340,707. The table below sets forth the number of Series A Units sold to our directors, executive officers and 5% stockholders and their affiliates in connection with these financings. In connection with the HSH refinancing, our Sponsors made capital contributions of approximately $275.2 million and paid approximately $170.2 million directly to HSH in respect of principal and interest due under certain of the debt that was refinanced. In addition, guarantees that had been provided by our Sponsors to HSH to secure our obligations under the facilities were released. These guarantees had been with respect to First Wind Holdings, LLC's $150.0 million revolver loan and $50.0 million of First Wind Acquisition, LLC's $267.2 million turbine supply loan and revolver loan.

Name
  Series A Units   Aggregate Purchase Price  

The D. E. Shaw group

    225,371,215   $ 225,371,215  

Madison Dearborn

    225,371,215     225,371,215  

UPC Wind Partners II, LLC(1)

    9,458,267     9,458,267  

Paul Gaynor

    33,381     33,381  

Michael Alvarez

    73,226     73,226  

Total

    460,374,066   $ 460,374,066 (2)

(1)
Certain of the outstanding membership interests in UPC Wind Partners II, LLC are owned by BEC Montana Properties 2, LLC, an entity owned and controlled by Brian Caffyn, Swift Diamond Holdings LLC, an entity owned and controlled by Peter Gish, and Summer Holdings, LLC, an entity owned and controlled by Paul Gaynor.

(2)
Includes an aggregate of $23.4 million of loan conversions.

        On December 12, 2008, pursuant to its limited liability company agreement, First Wind Holdings, LLC issued 30,000,000 Series A-1 Units to each of the D. E. Shaw group and Madison Dearborn for an aggregate of 60,000,000 Series A-1 Units for aggregate consideration of $60.0 million.

        On May 27, 2008, in connection with additional capital commitments of $141.0 million provided by the Sponsors, First Wind Holdings, LLC increased the aggregate number of authorized Series B Units to 180,000,000. First Wind Holdings, LLC issued 22,059,000 Series B Units to each of our Sponsors, for an aggregate of 44,118,000 newly issued Series B Units, which vested immediately upon issuance.

        In May 2008, in accordance with terms of its limited liability company agreement, First Wind Holdings, LLC paid cash distributions to its members (including the D. E. Shaw group and Madison Dearborn) totaling $8,591,000 in respect of federal income taxes to be assessed at the member level.

        In December 2008, First Wind Holdings, LLC amended the Unit Redemption Agreement that it had originally entered into with UPC Wind Partners II, LLC on April 28, 2006. As amended, the agreement provided for cash payments of up to $5.5 million to be made, and up to 4.5 million Series A-1 Units to be issued, to UPC Wind Partners II, LLC, subject to certain conditions. In December 2009, $1.0 million was paid and 4.5 million Series A-1 Units were issued and in March 2010, the remaining $4.5 million was paid.

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        Pursuant to capital call provisions in the April 28, 2006 limited liability company agreement of First Wind Holdings, LLC and corresponding provisions in a related unit subscription agreement, on January 30, 2009 and February 26, 2009, First Wind Holdings, LLC issued an aggregate of 140,000,000 additional Series A-1 Units for aggregate consideration of $140.0 million. The table below sets forth the number of Series A-1 Units sold to our directors, executive officers and 5% stockholders and their affiliates in connection with these financings.

Name
  Series A-1 Units   Aggregate Purchase Price  

The D. E. Shaw group

    70,000,000   $ 70,000,000  

Madison Dearborn

    70,000,000     70,000,000  

Total

    140,000,000   $ 140,000,000  

        In addition, as described above, in 2009 pursuant to the Unit Redemption Agreement with UPC Wind Partners II, LLC, First Wind Holdings, LLC issued 4,500,000 Series A-1 Units to UPC Wind Partners II, LLC upon certain of our projects' commencing commercial operations.

2009 and 2010 Distributions to Members

        As noted above, First Wind Holdings, LLC paid cash distributions to UPC Wind Partners II totaling $1.0 million in 2009 and $4.5 million in 2010 under the Unit Redemption Agreement.

First Wind Energy, LLC

        First Wind Energy, LLC employs all of our officers and personnel and is owned 99% by First Wind Holdings, LLC with the balance of its equity owned by the D. E. Shaw group and Madison Dearborn. The D. E. Shaw group and Madison Dearborn purchased their interests in First Wind Energy, LLC in January 2008 in exchange for an aggregate capital contribution of $200.

Registration Rights Agreement

        In connection with the completion of this offering, we will enter into a resale and registration rights agreement with certain of our current investors to register for sale under the Securities Act shares of our equity securities in the circumstances described below. All persons who purchased our units under our April 2006 limited liability company agreement and certain members of our management will be party to the resale and registration rights agreement. For a description of these registration rights, see "The Reorganization and Our Holding Company Structure—Resale and Registration Rights Agreement."

Related Party Loans and Advances

        On May 3, 2007, we entered into term promissory notes with certain of our principal security holders and executive officers. Pursuant to our promissory notes with D. E. Shaw MWP Acquisition Holdings, L.L.C., Madison Dearborn Capital Partners IV, L.P., Paul Gaynor, Michael Alvarez and UPC Wind Partners II, LLC, a Delaware limited liability company, we borrowed $4.6 million, $4.6 million, $30,902, $30,902 and $0.8 million, respectively. The notes bore interest at 8% per annum. In May 2008, these borrowings were converted to capital contributions for which the lending members received 10,735,430 Series A Units in the aggregate.

        On May 29, 2007, we entered into a second set of term promissory notes with certain of our principal investors and executive officers. Pursuant to our promissory notes with D. E. Shaw MWP Acquisition Holdings, L.L.C., Madison Dearborn Capital Partners IV, L.P., Michael Alvarez and UPC Wind Partners II, LLC we borrowed $5.5 million, $5.5 million, $37,082 and $0.8 million from these

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parties, respectively. The notes bear interest at 8% per annum. In May 2008, these borrowings were converted to capital contributions for which the lending members received 12,628,937 Series A Units.

        On May 2, 2008, we received voting interests in Deepwater Wind Holdings, LLC, a wind energy development company focused on developing wind energy projects offshore the continental United States, in exchange for a contribution of $3.4 million in cash and other assets with a net book value of approximately $471,000. We and the D. E. Shaw Group currently own approximately 13.6% and 72.1%, respectively, of the outstanding voting interests in Deepwater Wind Holdings, LLC, with the balance of the membership interests held by third-party investors. Messrs. Gaynor, Alvarez, Key and Martin serve on the board of managers of Deepwater Wind Holdings, LLC. Deepwater Wind Holdings, LLC is in the process of developing offshore wind energy projects and has no completed projects to date.

Indemnification, Employment and Related Agreements

        Our certificate of incorporation and bylaws include provisions that authorize and require us to indemnify our officers and directors to the fullest extent permitted under Delaware law, subject to limited exceptions. In connection with this offering, we plan to enter into separate indemnification agreements with each of our directors and certain of our officers. If entered into, these agreements will require us to indemnify these individuals and their affiliates, including our Sponsors, to the fullest extent permitted under Delaware law against liabilities that may arise by reason of their service to us, and to advance expenses incurred as a result of any proceeding against them as to which they could be indemnified. We also intend to enter into indemnification agreements with our future directors and executive officers. We have also entered into restricted unit agreements and non-competition and confidentiality agreements with our named executive officers. See "Management." The limited liability company agreement of First Wind Holdings, LLC also provides indemnification rights to its managing member, members, officers and their respective affiliates, including our Sponsors. Because First Wind Holdings, LLC is a limited liability company, the indemnification provisions in its limited liability company agreement are not subject to the limitations set forth in the Delaware General Corporation Law with respect to the indemnification that may be provided by a Delaware corporation to its directors and officers.

Purchase of Prattsburgh Real Property

        On February 22, 2008, we entered into a purchase agreement with Windfarm Prattsburgh, LLC, a Delaware limited liability company and our indirect wholly owned subsidiary; UPC Wind Partners II, LLC; and BEC New York Properties, LLC, a Delaware limited liability company that is owned by Brian Caffyn, with respect to a parcel of land situated in the town of Prattsburgh, New York pursuant to which Windfarm Prattsburgh, LLC purchased the parcel of land from BEC New York Properties, LLC. Windfarm Prattsburgh, LLC agreed to purchase the parcel for (i) consideration of 152,527 Series A Units in UPC Wind Partners LLC to be granted to UPC Wind Partners II, LLC as the seller's designee and (ii) a payment of $23,000 from Windfarm Prattsburgh, LLC to BEC New York Properties, LLC. In connection with that transaction, First Wind Holdings, LLC granted 152,527 Series A Units for non-cash consideration to UPC Wind Partners II, LLC.

Procedures for Approval of Related Person Transactions

        A "Related Party Transaction" is a transaction, arrangement or relationship in which we or any of our subsidiaries was, is or will be a participant, the amount of which involved exceeds $120,000, and in which any related party had, has or will have a direct or indirect material interest. A "Related Person" means:

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        Our board of directors will adopt a written related party transactions policy prior to the completion of this offering. Pursuant to this policy, the Audit Committee will review all material facts of all Related Party Transactions and either approve or disapprove entry into the Related Party Transaction, subject to certain limited exceptions. In determining whether to approve or disapprove entry into a Related Party Transaction, the Audit Committee shall take into account, among other factors, the following: (1) whether the Related Party Transaction is on terms no less favorable than terms generally available to an unaffiliated third-party under the same or similar circumstances and (2) the extent of the Related Person's interest in the transaction. Further, the policy requires that all Related Party Transactions required to be disclosed in our filings with the SEC be so disclosed in accordance with applicable laws, rules and regulations.

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THE REORGANIZATION AND OUR HOLDING COMPANY STRUCTURE

Overview

        First Wind Holdings Inc. was incorporated as a Delaware corporation in May 2008. After completion of the reorganization described below and this offering, our outstanding capital stock will consist of Class A common stock and Class B common stock. Our Class A common stock will be held by the investors in this offering as well as certain entities in the D. E. Shaw group and certain of our employees. Our Class B common stock will be held by our Sponsors, certain of our employees and other existing investors in First Wind Holdings, LLC. Shares of our Class B common stock vote together with shares of our Class A common stock as a single class, subject to certain exceptions. After completion of this offering, our Sponsors will own            % of our outstanding Class A common stock and Class B common stock on a combined basis (or             % if the underwriters exercise their over-allotment option in full) and will have effective control over the outcome of votes on all matters requiring approval by our stockholders.

        First Wind Holdings Inc. was formed for purposes of this offering and has only engaged in activities in contemplation of this offering. Upon completion of this offering, all of our business will be continue to be conducted through First Wind Holdings, LLC, which is the holding company that has conducted all of our business to date. First Wind Holdings Inc. will be a holding company whose principal asset will be its Series A Membership Interests in First Wind Holdings, LLC. All of the equity of First Wind Holdings, LLC outstanding prior to the reorganization that will not be owned by First Wind Holdings Inc. will be either exchanged for our Class A common stock or Series B Membership Interests of First Wind Holdings, LLC and an equal number of shares of our Class B common stock, except for Series B Units then unvested and vested Series B Units that do not have then current value, which will expire. Our Sponsors, certain of our employees and current investors will own all of First Wind Holdings, LLC's Series B Membership Interests, which have no voting rights, except with regard to certain amendments of First Wind Holdings, LLC's limited liability company agreement that adversely affect the rights of holders of Series B Membership Interests. Each holder of the newly issued Series B Membership Interests in First Wind Holdings, LLC will receive an equal number of shares of our Class B common stock. One Series B Membership Interest and one share of Class B common stock are together exchangeable for one share of Class A common stock. Certain entities in the D. E. Shaw group will receive Class A common stock rather than Series B Membership Interests (and corresponding shares of Class B common stock).

        Concurrently with the completion of this offering, the D. E. Shaw group, Madison Dearborn and First Wind Holdings Inc. will enter into a nominating agreement pursuant to which we will agree to nominate individuals designated by them to the board of directors, as described under "—Nominating Agreement" below.

        There will be                   shares of our Class A common stock outstanding after this offering. These shares will represent 100% of the rights of the holders of all classes of our capital stock to share in all distributions, except for the right of holders of our Class B common stock to receive its par value upon our liquidation, dissolution or winding up.

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        The diagram below shows our organizational structure immediately after the consummation of this offering and related transactions, assuming no exercise of the underwriters' over-allotment option.

GRAPHIC


(1)
The members of First Wind Holdings, LLC, other than us, will consist of our Sponsors and certain of our employees and current investors in First Wind Holdings, LLC.

(2)
The Class A stockholders will have the right to receive all distributions made on account of our capital stock, except that the Class B stockholders will have the right to receive $0.001 per share par value pari passu upon liquidation, dissolution or winding up. Each share of Class A common stock and Class B common stock is entitled to one vote per share. Certain entities in the D. E. Shaw group will receive Class A common stock rather than Series B Membership Interests (and the corresponding shares of Class B common stock). As a result, the D. E. Shaw group will hold Series B Membership Interests, Class A common stock and Class B common stock.

(3)
Series A Membership Interests and Series B Membership Interests will have the same economic rights in First Wind Holdings, LLC.

        Pursuant to a resale and registration rights agreement that we will enter into with certain of our current investors, we will upon request use our best efforts to file a registration statement in order to register the resales of the shares of our Class A common stock that are issuable upon exchange of Series B Membership Interests. See "—Resale and Registration Rights Agreement."

Holding Company Structure

        The only business of First Wind Holdings Inc. after this offering will be to act as the sole managing member of First Wind Holdings, LLC. First Wind Holdings Inc. will operate and control all of our businesses and affairs through First Wind Holdings, LLC. The financial results of First Wind Holdings Inc. and First Wind Holdings, LLC and its consolidated subsidiaries will be consolidated in our financial statements. Following this offering, First Wind Holdings, LLC will have two classes of equity outstanding: Series A Membership Interests held by First Wind Holdings Inc. and Series B

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Membership Interests held by our Sponsors and certain of our employees and other current investors in First Wind Holdings, LLC. The ownership interests of holders of Series B Membership Interests of First Wind Holdings, LLC will be accounted for as a noncontrolling interest in our consolidated financial statements after this offering.

Limited Liability Company Agreement of First Wind Holdings, LLC

        Following our reorganization and this offering, First Wind Holdings Inc. will operate our business through First Wind Holdings, LLC and its consolidated subsidiaries. The operations of First Wind Holdings, LLC, and the rights and obligations of its members, will be governed by the limited liability company agreement of First Wind Holdings, LLC, the form of which is filed as an exhibit to the registration statement of which this prospectus forms a part. The following is a description of the material terms of this limited liability company agreement.

        We will serve as the sole managing member of First Wind Holdings, LLC. As such, we will control its business and affairs and be responsible for the management of our business. No other members of First Wind Holdings, LLC, in their capacity as such, will have any authority or right to control the management of First Wind Holdings, LLC or to bind it in connection with any matter.

        First Wind Holdings, LLC will have two series of outstanding equity: Series A Membership Interests, which may only be issued to First Wind Holdings Inc., as sole managing member, and Series B Membership Interests. The Series B Membership Interests will be held by our Sponsors and certain of our employees and other current investors in First Wind Holdings, LLC. The Series A Membership Interests and Series B Membership Interests will entitle their holders to equivalent economic rights. Holders of Series B Membership Interests will have no voting rights, except for the right to approve amendments to the limited liability company agreement of First Wind Holdings, LLC that would adversely affect the rights of holders of Series B Membership Interests.

        Net profits and net losses of First Wind Holdings, LLC will be allocated, and distributions made, to its members pro rata in accordance with the number of Membership Interests of First Wind Holdings, LLC they hold. Accordingly, net profits and net losses of First Wind Holdings, LLC will initially be allocated, and distributions will be made, approximately       % to First Wind Holdings Inc. and approximately      % to the initial holders of Series B Membership Interests (or      % and            %, respectively, if the underwriters exercise their over-allotment option in full).

        Subject to the availability of net cash flow at the First Wind Holdings, LLC level, and to applicable legal and contractual restrictions, First Wind Holdings Inc. intends to cause First Wind Holdings, LLC to distribute to us, and the holders of Series B Membership Interests, cash payments for the purposes of funding tax obligations in respect of any taxable income and net capital gain that is allocated to us and the holders of Series B Membership Interests, respectively, as members of First Wind Holdings, LLC. See "—Restrictive Covenants" and "—Tax Consequences." If First Wind Holdings, LLC makes distributions to its members in any given year, the determination to pay dividends, if any, to our Class A stockholders will be made by our board of directors. We do not, however, expect to declare or pay any cash or other dividends in the foreseeable future on our Class A common stock, as we intend to reinvest any cash flow generated by operations in our business. Class B common stock will not be entitled to any dividend payments. Our debt agreements effectively limit our ability to pay dividends on our Class A common stock, and we may also enter into credit agreements or other borrowing arrangements in the future that prohibit or restrict our ability to declare or pay dividends on our Class A common stock.

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        Whenever First Wind Holdings Inc. issues a share of our Class A common stock for cash (including in connection with this offering) the net proceeds we receive will be transferred promptly to First Wind Holdings, LLC, and First Wind Holdings, LLC will issue to First Wind Holdings Inc. one of its Series A Membership Interests. When we issue a share of our Class A common stock pursuant to our LTIP Plan, First Wind Holdings Inc. will contribute to First Wind Holdings, LLC any proceeds it receives in connection with such issuance and First Wind Holdings, LLC will issue to First Wind Holdings Inc. one of its Series A Membership Interests, having the same restrictions, if any, attached to the shares of Class A common stock issued under the LTIP Plan. If First Wind Holdings Inc. issues other classes or series of equity securities, and contributes to First Wind Holdings, LLC the proceeds it receives in connection with such issuance, First Wind Holdings, LLC will issue to First Wind Holdings Inc. an equal number of equity securities of First Wind Holdings, LLC with designations, preferences and other rights and terms that are substantially the same as the newly issued equity securities. Conversely, if First Wind Holdings Inc. redeems any shares of Class A common stock (or equity securities of other classes or series) for cash, First Wind Holdings, LLC will, immediately prior to our redemption, redeem an equal number of Series A Membership Interests (or its equity securities of the corresponding classes or series), upon the same terms and for the same price, as the shares of our Class A common stock (or our equity securities of such other classes or series) are redeemed.

        First Wind Holdings Inc. will not conduct any business other than the management and ownership of First Wind Holdings, LLC and its subsidiaries, or own any other assets (other than on a temporary basis), although First Wind Holdings Inc. may take such actions and own such assets as are necessary to comply with applicable law, including compliance with its responsibilities as a public company under the U.S. federal securities laws and may incur indebtedness and may take other actions if we determine that doing so is in the best interest of First Wind Holdings, LLC. In addition, Membership Interests of First Wind Holdings, LLC, as well as shares of our common stock, will be subject to equivalent stock splits, dividends and reclassifications.

        Series A Membership Interests may only be issued to First Wind Holdings, Inc. as the sole managing member of First Wind Holdings, LLC. Series B Membership Interests may only be issued to persons or entities we permit. Such issuances shall be in exchange for cash or other consideration, including the services of First Wind Holdings, LLC's employees. Series B Membership Interests may not be transferred without our consent, except to certain permitted transferees of the holders of Series B Membership Interests, and any such transfer must be accompanied by the transfer of an equal number of shares of our Class B common stock to the same transferee.

        We have reserved for issuance      shares of our Class A common stock, which is the aggregate number of shares of our Class B common stock to be outstanding after completion of the reorganization and this offering.

        A holder of Series B Membership Interests must deliver an equal number of shares of Class B common stock to First Wind Holdings Inc. for redemption in connection with exercising its right to exchange Series B Membership Interests for shares of Class A common stock.

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        The limited liability company agreement contains provisions limiting the liability of First Wind Holdings, LLC's managing member, members, officers and their respective affiliates, including our Sponsors, to First Wind Holdings, LLC or any of its members. Moreover, the limited liability company agreement contains broad indemnification provisions for First Wind Holdings, LLC's managing member, members, officers and their respective affiliates, including our Sponsors. Because First Wind Holdings, LLC is a limited liability company, these provisions are not subject to the limitations on exculpation and indemnification contained in the Delaware General Corporation Law with respect to the indemnification that may be provided by a Delaware corporation to its directors and officers.

        Pursuant to the terms of the individual restricted unit agreements we have with our employees who have Series B Units, such employees agree not to compete with us during the term of their employment with us. In addition, they agree not to compete with us for a period of two years following the termination of their employment.

        All of our employees who have Series B Units of First Wind Holdings, LLC have agreed to protect the confidential information of First Wind Holdings, LLC. This covenant will survive the termination of their employment.

        Each share of our Class A common stock and Class B common stock will entitle its holder to one vote. Immediately after this offering, our Class B stockholders will collectively hold approximately      % of the total voting power of our common stock (or      % if the underwriters exercise their over-allotment option in full). The D. E. Shaw group will hold approximately      % of the total voting power of our common stock (or      % if the underwriters exercise their over-allotment option in full). Madison Dearborn will hold      % of the total voting power of our common stock (or      % if the underwriters exercise their over-allotment option in full).

        The holders of Membership Interests of First Wind Holdings, LLC, including First Wind Holdings Inc., generally will incur U.S. federal, state and local income taxes on their proportionate share of any net taxable income of First Wind Holdings, LLC. Net profits and net losses of First Wind Holdings, LLC generally will be allocated to its members pro rata in proportion to the number of Membership Interests they hold. The limited liability company agreement of First Wind Holdings, LLC provides for cash distributions to its members if the taxable income of First Wind Holdings, LLC in a given year gives rise to taxable income for its members in excess of the cash otherwise distributed to them in that year. In accordance with this agreement, First Wind Holdings, LLC intends to make distributions to the holders of its Membership Interests for the purpose of funding their tax obligations in respect of the income of First Wind Holdings, LLC that is allocated to them. Generally, these tax distributions will be computed based on our estimate of the net taxable income of First Wind Holdings, LLC allocable per unit multiplied by an assumed tax rate equal to the highest combined U.S. federal and applicable state and local tax rate applicable to any member (taking into account the deductibility of state and local taxes for U.S. federal income tax purposes).

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        First Wind Holdings, LLC intends to make an election under Section 754 of the Internal Revenue Code of 1986, as amended, which is effective for 2010 and for each taxable year in which an exchange of Series B Membership Interests, together with an equal number of shares of Class B common stock, for shares of our Class A common stock occurs. We expect that, as a result of this election, any future exchanges of Series B Membership Interests, together with an equal number of shares of Class B common stock, for shares of our Class A common stock, would result in increases in the tax basis in the tangible and intangible assets of First Wind Holdings, LLC at the time of such future exchanges, which will increase the tax depreciation and amortization deductions available to us. Any such increases in tax basis and tax depreciation and amortization deductions would to reduce the amount of tax that we would otherwise be required to pay in the future. We will be required to pay a portion of the cash saving we actually realize from such increase (or are deemed to realize in the case of an early termination payment by us, or a change in law, as discussed below) to certain holders of the Series B Membership Interests pursuant to a tax receivable agreement. See "—Tax Receivable Agreement" below.

Tax Receivable Agreement

        First Wind Holdings Inc. will enter into a tax receivable agreement with certain holders of Series B Membership Interests after giving effect to the reorganization and with certain future holders of Series B Membership Interests. That agreement will require First Wind Holdings Inc. to pay such holders 85% of the amount of cash savings, if any, in U.S. federal, state and local income tax actually realized by First Wind Holdings Inc. (or deemed to be realized by First Wind Holdings Inc. in the case of an early termination payment, or a change in control, as discussed below) as a result of any possible future increases in tax basis described above and of certain other tax benefits related to entering into the tax receivable agreement, including tax benefits attributable to payments under the tax receivable agreement. This will be the obligation of First Wind Holdings Inc. and not the obligation of First Wind Holdings, LLC. First Wind Holdings Inc. would benefit from the remaining 15% of cash savings, if any, realized. For purposes of the tax receivable agreement, cash savings in income tax will be computed by comparing First Wind Holdings Inc.'s actual income tax liability to the amount of such taxes that it would have been required to pay had there been no increase in its share of the tax basis of the tangible and intangible assets of First Wind Holdings, LLC. The term of the tax receivable agreement will commence upon completion of this offering and will continue until all such tax benefits have been used or expired, unless First Wind Holdings Inc. exercises its right to terminate the tax receivable agreement for an agreed-upon value of payments remaining to be made under the agreement. Estimating the amount of payments to be made under the tax receivable agreement is imprecise by its nature and cannot be predicted reliably at this time, because any actual increase in tax basis, as well as the amount and timing of any payments under the tax receivable agreement, will vary depending on a number of factors, including:

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        As a result of the size of the increases in our share of the tax basis of the tangible and intangible assets of First Wind Holdings, LLC attributable to our interest therein, the payments that we make under the tax receivable agreement could be substantial for periods in which we generate taxable income. However, because we have not generated taxable income to date and do not expect to generate taxable income in the near-term, it is difficult to predict when and if we will make payments under the tax receivable agreement.

        In addition, the tax receivable agreement will provide that, upon certain mergers, asset sales, other forms of business combinations or other changes of control, our (or our successors') obligations with respect to certain exchanged or acquired Series B Membership Interests would be based on certain assumptions, including that we would have sufficient taxable income to fully use the deductions arising from the increased tax basis and other benefits related to entering into the tax receivable agreement. As a result, in certain circumstances, we could make payments under the tax receivable agreement in excess of our actual cash savings in income tax.

        Decisions made in the course of running our business, such as with respect to mergers, asset sales, other forms of business combinations or other changes in control, may influence the timing and amount of payments we make under the tax receivable agreement. For example, the earlier disposition of assets following an exchange or acquisition transaction will generally accelerate payments under the tax receivable agreement and increase the present value of such payments.

        Were the Internal Revenue Service to successfully challenge the tax basis increases described above, we would not be reimbursed for any payments previously made under the tax receivable agreement. As a result, in certain circumstances, we could make payments under the tax receivable agreement in excess of our actual cash savings in income tax.

Resale and Registration Rights Agreement

        We will enter into a resale and registration rights agreement with our Sponsors, certain of our employees and other current investors in First Wind Holdings, LLC to register for sale under the Securities Act shares of our equity securities in the circumstances described below. All persons who purchased our units under our April 2006 limited liability company agreement and certain of our employees will be party to the resale and registration rights agreement. This agreement will provide certain holders of our common stock with the right to require us to register shares of our Class A common stock that are received by them in the reorganization or that are issuable upon exchange of Series B Membership Interests and an equal number of shares of our Class B common stock and will provide the other stockholders who will be party to the agreement with the right to include their equity securities in a registration statement under most other circumstances. The following description summarizes such rights and circumstances following our reorganization as a corporation.

        Subject to certain limitations, at any time after completion of this offering, certain of our stockholders will have the right, by delivering written notice to us, to require us to register the number of our equity securities requested to be so registered in accordance with the registration rights agreement. Within 10 days of receipt of notice of a demand registration, we will be required to give notice to all other holders of registrable equity securities. We will include in the registration all securities with respect to which we receive a written request for inclusion in the registration within 10 days after we give our notice.

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        Any holder of registrable equity securities will be entitled to request to participate in, or "piggyback" on, registrations of any of our securities for sale by us at any time after this offering. We call this right a piggyback right and the resulting registration a piggyback registration. The piggyback right will apply to any registration following this offering other than a demand registration described above or a registration on Form S-4 or S-8.

        The registration rights outlined above will be subject to conditions and limitations, including the right of underwriters to limit the number of shares to be included in a registration statement and our right to delay, suspend or withdraw a registration statement under specified circumstances.

        If requested by the managing underwriter or underwriters, holders of securities with registration rights will not be able to make any public sale of our equity securities (including sales under Rule 144) or give any demand notice during a period commencing on the date of the request and continuing for a period not to exceed 90 days (with respect to any underwritten public offering, other than this offering, made prior to the second anniversary of this offering, and thereafter 60 days rather than 90 days) or such shorter period as may be requested by the underwriters. The managing underwriters for the relevant offering may agree to shorten this period.

Nominating Agreement

        In connection with the reorganization, we and our Sponsors will enter into a nominating agreement with respect to all shares of our common stock held by them and any additional shares that they may acquire in the future. Subject to certain limitations, if a Sponsor and/or any of its affiliates beneficially owns in the aggregate at least 20% of the total number of outstanding shares of Class A common stock and Class B common stock, our board of directors will include in the nominees recommended for election as director not less than two individuals designated by such Sponsor. If a Sponsor and/or any of its affiliates beneficially owns in the aggregate at least 10% of the total number of outstanding shares of Class A common stock and Class B common stock, our board of directors will include in the nominees recommended for election as director not less than one individual designated by such Sponsor. Because each of our Sponsors will own, upon consummation of this offering,      % of our outstanding Class A common stock and Class B common stock (or      % if the underwriters exercise their over-allotment option in full), our Sponsors will be entitled to designate four individuals to be nominated by our board of directors for election to our board of directors following completion of this offering.

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DESCRIPTION OF CAPITAL STOCK

        Pursuant to our certificate of incorporation, we have the authority to issue an aggregate of            shares of capital stock, consisting of            shares of Class A common stock, par value $0.001 per share,            shares of Class B common stock, $0.001 par value and            shares of preferred stock, par value $0.001 per share. As of May 13, 2010, we had one holder of record of our common stock.

        Selected provisions of our organizational documents are summarized below. Forms of our organizational documents are attached as exhibits to the registration statement of which this prospectus is a part. In addition, the summary below does not give full effect to the terms of the provisions of statutory or common law that may affect the rights of a stockholder.

Class A Common Stock

        After completion of this offering we will have a total of            shares of Class A common stock and             shares of Class B common stock outstanding. Before this offering, all of our outstanding shares of common stock were held of record by First Wind Holdings, LLC. We have reserved             shares of Class A common stock for issuance to employees under our LTIP Plan.

        Each share of Class A common stock is entitled to one vote in the election of directors and on all other matters submitted to a vote of our stockholders. Class A stockholders may not cumulate their votes in the election of directors. Each of our directors is elected on an annual basis by our Class A stockholders and Class B stockholders voting as a single class.

        Holders of our Class A common stock are entitled to receive dividends if, as and when such dividends are declared by our board out of assets legally available therefor after payment of dividends required to be paid on shares of preferred stock, if any.

        In the event of any dissolution, liquidation, or winding up of our affairs, whether voluntary or involuntary, after payment of our debts and other liabilities and making provision for any holders of our preferred stock who have a liquidation preference, our remaining assets will be distributed ratably among the holders of Class A common stock.

        Holders of our Class A common stock have no redemption or conversion rights or other subscription rights. There are no redemption or sinking fund provisions applicable to the Class A common stock. No shares of Class A common stock will have preemptive rights to purchase additional shares of Class B common stock.

        The rights preferences and privileges of holders of Class A common stock are subject to, and may be adversely affected by, the rights of holders of shares of any series of preferred stock that we may designate and issue in the future.

Class B Common Stock

        Shares of our Class B common stock are issuable only in connection with the issuance of Series B Membership Interests of First Wind Holdings, LLC. When a Series B Membership Interests is issued by First Wind Holdings, LLC, First Wind Holdings Inc. will issue the holder one share of our Class B

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common stock in exchange for the payment of its par value. Each share of our Class B common stock will be redeemed for its par value and cancelled by us if the holder of the corresponding Series B Membership Interests exchanges such share pursuant to the terms of the limited liability company agreement of First Wind Holdings, LLC or otherwise.

        Our Class B stockholders will be entitled to one vote for each share held of record on all matters submitted to a vote of our stockholders.

        Class B stockholders will not be entitled to cumulate their votes in the election of directors. Generally, all matters to be voted on by stockholders must be approved by a majority (or, in the case of election of directors, by a plurality) of the votes entitled to be cast by all Class B stockholders and Class A stockholders present in person or represented by proxy, voting together as a single class. Except as otherwise provided by law or as described in "—Anti-Takeover Effects of Delaware Law and Our Certificate of Incorporation and Bylaw Provisions", certain amendments to our certificate of incorporation must be approved by 80% of the combined voting power of all shares of Class B common stock and Class A common stock, voting together as a single class. However, amendments to our certificate of incorporation that would alter or change the powers, preferences or special rights of the shares of Class B common stock so as to affect them adversely also must be approved by a majority of the votes entitled to be cast by the holders of the shares affected by the amendment, voting as a separate class. Accordingly, any amendment to our certificate of incorporation to increase or decrease the number of authorized shares of Class B common stock must be approved by the vote of the holders of a majority of the shares of Class B common stock, voting together as a single class.

        See "The Reorganization and Our Holding Company Structure—Nominating Agreement" for a description of the terms of the nominating agreement that we and our Sponsors will enter into in connection with the reorganization.

        Our Class B stockholders will not participate in any dividends declared by our board of directors.

        In the event of any dissolution, liquidation, or winding up of our affairs, whether voluntary or involuntary, after payment of our debts and other liabilities and making provision for any holders of our preferred stock who have a liquidation preference, Class B stockholders will only be entitled to receive the $0.001 par value per share of our Class B common stock.

        In the event of our merger or consolidation with or into another company in connection with which shares of Class A common stock or Class B common stock (together with the related Series B Membership Interests) are converted into, or exchangeable for, shares of stock, other securities or property (including cash), each Class A stockholder and Class B stockholder will be entitled to receive the same kind and amount of shares of stock and other securities and property (including cash). No shares of Class B common stock will have preemptive rights to purchase additional shares of Class B common stock.

Preferred Stock

        Our certificate of incorporation authorizes our board of directors, subject to any limitations prescribed by law, without further stockholder approval, to establish and to issue from time to time one or more classes or series of preferred stock, par value $0.001 per share, covering up to an aggregate of            

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shares of preferred stock. Each class or series of preferred stock will cover the number of shares and will have preferences, voting powers, qualifications and special or relative rights or privileges determined by the board of directors, which may include, among others, dividend rights, liquidation preferences, voting rights, conversion rights, preemptive rights and redemption rights.

Certain Effects of Authorized But Unissued Stock

        The authorized but unissued shares of common stock and preferred stock are available for future issuance without stockholder approval. These additional shares may be utilized for a variety of corporate purposes, including future public offerings to raise additional capital, corporate acquisitions and employee benefit plans.

        The ability of our board of directors to issue authorized but unissued common stock and preferred stock could render more difficult or discourage an attempt to obtain control of the company by means of a proxy contest, tender offer, merger or otherwise, and thereby protect the continuity of our management.

Anti-Takeover Effects of Delaware Law and Our Certificate of Incorporation and Bylaw Provisions

        A number of provisions in our certificate of incorporation, our bylaws and Delaware law may make it more difficult to acquire control of us. These provisions could deprive the stockholders of opportunities to realize a premium on the shares of common stock owned by them. In addition, these provisions may adversely affect the prevailing market price of our common stock. These provisions are intended to:

Advance Notice Procedures for Stockholder Proposals and Director Nominations

        Our bylaws provide that stockholders seeking to bring business before an annual meeting of stockholders, or to nominate candidates for election as directors at an annual meeting of stockholders, must provide timely notice thereof in writing. To be timely, a stockholder's notice generally must be delivered to or mailed and received at our principal executive offices not less than 60 and no more than 90 calendar days prior to the first anniversary of the preceding year's annual meeting of stockholders. In addition, our bylaws specify requirements as to the form and content of a stockholder's notice. These provisions may preclude stockholders from bringing matters before an annual meeting of stockholders or from making nominations for directors at an annual meeting of stockholders.

Stockholder Meetings

        Our bylaws provide that only our board of directors, Chairman of the board of directors, Chief Executive Officer or President are permitted to call a special meeting of stockholders.

Supermajority Vote to Amend Bylaws

        Our certificate of incorporation requires the affirmative vote of the holders of at least 80% of the combined voting power of all shares of our stock then outstanding, voting together as a single class, to adopt, amend or repeal any bylaws of the company.

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Limitation of Liability

        Our certificate of incorporation and bylaws provide that to the fullest extent permitted by Delaware law, as that law may be amended and supplemented from time to time, that our directors will not be personally liable to us or our stockholders for monetary damages for breach of fiduciary duty, except for liability (i) for any breach of the director's duty of loyalty to the company or our stockholders, (ii) for acts or omissions not in good faith or that involve intentional misconduct or a knowing violation of law, (iii) under Section 174 of the Delaware General Corporation Law or (iv) for any transaction from which the director derived any improper personal benefit. The effect of this provision of the certificate of incorporation is to eliminate the rights of the company and our stockholders (through stockholders' derivative suits on our behalf) to recover monetary damages against a director for breach of the fiduciary duty of care as a director (including breaches resulting from negligent behavior) except in the situations described in clauses (i) through (iv) above. Our certificate of incorporation also sets forth certain indemnification provisions and provides for the advancement of expenses (to the fullest extent authorized by Delaware law) incurred by a director in defending a claim by reason of the fact that he was a director of the company (or was serving as a director or officer of another entity at our request). The indemnification provisions of our certificate of incorporation may reduce the likelihood of derivative litigation against directors and may discourage or deter stockholders or management from bringing a lawsuit against directors for breaches of their fiduciary duties, even though an action, if successful, otherwise might have benefited us and our stockholders.

        The rights to indemnification and advancement of expenses are not exclusive of any other rights to indemnification our directors or officers, or their respective affiliates, including our Sponsors, may be entitled to under any agreement, vote of stockholders or disinterested directors or otherwise. We intend to enter into indemnification agreements with each of our directors and some of our officers pursuant to which we agree to indemnify the director or officer and his or her affiliates, including our Sponsors, against expenses, judgments, fines or amounts paid in settlement incurred by the director or officer and such affiliates, including our Sponsors, and arising out of his capacity as a director, officer, employee and/or agent of the company or other enterprise of which he is a director, officer, employee or agent acting at our request to the maximum extent permitted by applicable law, subject to certain limitations. Additionally, under Delaware law, we may purchase and maintain insurance for the benefit and on behalf of our directors and officers insuring against all liabilities that may be incurred by the director or officer in or arising out of his capacity as our director, officer, employee and/or agent.

        First Wind Holdings, LLC's limited liability company agreement contains corresponding provisions with regard to its managing member, members, officers and their respective affiliates. Because First Wind Holdings, LLC is a limited company, these indemnification provisions, which will also benefit our Sponsors, are not subject to the limitations of the Delaware General Corporation Law regarding indemnification of officers and directors of Delaware corporations.

Certificate of Incorporation Provisions Relating to Corporate Opportunities and Interested Directors

        Our certificate of incorporation provides that each of the Sponsors has no obligation to offer us an opportunity to participate in business opportunities presented to it or its affiliates even if the opportunity is one that we might reasonably have pursued, and that none of those entities nor their respective affiliates will be liable to us or our stockholders for breach of any duty by reason of any such activities unless, in the case of any person who is a director or officer of our company, such business opportunity is expressly offered to such director or officer in writing solely in his or her capacity as an officer or director of our company or is identified by the Sponsors solely through the disclosure of information by us or on our behalf. Stockholders will be deemed to have notice of and consented to this provision of our certificate of incorporation.

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SHARES ELIGIBLE FOR FUTURE SALE

        Prior to the date of this prospectus, there has been no public market for our Class A common stock. The sale of a substantial amount of our Class A common stock in the public market after we complete this offering, or the perception that such sales may occur, could adversely affect the prevailing market price of our Class A common stock. Furthermore, because some of our shares will not be available for sale shortly after this offering due to the contractual and legal restrictions on resale described below and the fact that a significant number of our shares of Class A common stock (including Class A common stock issuable upon exchange of a combination of fully vested Series B Membership Interests and an equal number of shares of our Class B common stock) will be subject to registration rights held by certain of our stockholders, the sale of a substantial amount of Class A common stock in the public market after these restrictions lapse or in the future by these stockholders could adversely affect the prevailing market price of our Class A common stock and our ability to raise equity capital in the future.

        After completion of this offering, we will have            shares of Class A common stock outstanding. All of the shares of Class A common stock sold in this offering will be freely tradable without restrictions or further registration under the Securities Act, unless the shares are purchased by our "affiliates" as that term is defined in Rule 144 under the Securities Act and except certain shares that will be subject to the lock-up periods described under the caption "Underwriting," after completion of this offering. Any shares purchased by our affiliates may not be resold except in compliance with Rule 144 volume limitations, manner of sale and notice requirements, pursuant to another applicable exemption from registration or pursuant to an effective registration statement. The shares of Class A common stock issuable to our Class B stockholders will be "restricted securities" as that term is defined in Rule 144 under the Securities Act. These restricted securities may be sold in the public market by our employees only if they are registered or if they qualify for an exemption from registration under Rule 144 under the Securities Act. This rule is summarized below.

Rule 144

        In general, under Rule 144, beginning 90 days after this offering, a person (or group of persons whose Class A common stock is required to be aggregated) who is not deemed to have been an affiliate of ours at any time during the preceding three months, and who has beneficially owned our Class A common stock for at least six months, including the holding period of any prior owner other than one of our affiliates, would be entitled sell those shares without regard to volume limitations. Sales of our common stock by any such person would be subject to the availability of current public information about us if the shares to be sold were held by such person for less than one year.

        An affiliate of ours who has held our Class A common stock (or Class B common stock exchangeable therefor) for at least six months would be entitled to sell in any three month period a number of shares that does not exceed the greater of:

        To the extent that our affiliates sell their Class A common stock, other than pursuant to Rule 144 or a registration statement, the purchaser's holding period for the purpose of effecting a sale under Rule 144 commences on the date of transfer from the affiliate. Sales under Rule 144 are also subject to manner of sale provisions and notice requirements and to the availability of current public information about us.

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Class A Common Stock Issuable Upon Exchange of Series B Membership Interests

        After completion of this offering,            Series B Membership Interests of First Wind Holdings, LLC will be outstanding. Each Series B Membership Interest (together with a share of Class B common stock) will be exchangeable for a share of Class A common stock, subject to the timing and volume limitations described under "The Reorganization and Our Holding Company Structure—Limited Liability Company Agreement of First Wind Holdings, LLC—Exchange Rights." Pursuant to a resale and registration rights agreement that we will enter into with certain of our current investors, we will upon request use our best efforts to file a registration statement for the sale of shares of Class A common stock received by them in the reorganization or issued to them in exchange for Series B Membership Interests and Class B common stock. If all initial holders of Series B Membership Interests exercised their exchange and resale rights,            shares of Class A common stock would be issued and registered for resale (representing            % of the number of shares of our Class A common stock outstanding immediately after this offering). Thereafter, holders of Series B Membership Interests will be able to exercise their exchange and registration rights in accordance with similar timing and volume limitations. See "The Reorganization and Our Holding Company Structure—Resale and Registration Rights Agreement."

Stock Issued Under Employee Plans

        We intend to file a registration statement on Form S-8 under the Securities Act to register approximately             shares of Class A common stock issuable under our LTIP Plan. This registration statement is expected to be filed following the effective date of the registration statement of which this prospectus is a part and will be effective upon filing. All of these shares of Class A common stock will be eligible for resale in the public market without restriction after the effective date of the Form S-8 registration statements, subject to Rule 144 limitations applicable to affiliates. Under Rule 701 under the Securities Act, as currently in effect, each of our employees, officers, directors, and consultants who purchased or received shares pursuant to a written compensatory plan or contract is eligible to resell these shares 90 days after the date of this prospectus in reliance upon Rule 144, but without compliance with specific restrictions. Rule 701 provides that affiliates may sell their Rule 701 shares under Rule 144 without complying with the holding period requirement and that non-affiliates may sell their shares in reliance on Rule 144 without complying with the holding period, public information, volume limitation or notice provisions of Rule 144.

Lock-Up Period

        Notwithstanding the foregoing, our executive officers, directors and existing stockholders have agreed not to offer, sell, contract to sell, pledge or otherwise dispose of any shares of our Class A common stock for a period of 180 days after the date of this prospectus. See "Underwriting."

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MATERIAL U.S. FEDERAL TAX CONSIDERATIONS FOR NON-U.S. HOLDERS OF CLASS A
COMMON STOCK

        The following is a general discussion of the material U.S. federal income and estate tax consequences of the ownership and disposition of our Class A common stock by a beneficial owner that is a "Non-U.S. Holder," other than a Non-U.S. Holder that owns, or has owned, actually or constructively, more than 5% of our Class A common stock. A "Non-U.S. Holder" is a person or entity that, for U.S. federal income tax purposes, is a:

        A "Non-U.S. Holder" does not include a nonresident alien individual who is present in the United States for 183 days or more in the taxable year of disposition. Such an individual is urged to consult his or her own tax adviser regarding the U.S. federal income tax consequences of the sale, exchange or other disposition of our Class A common stock.

        If an entity that is classified as a partnership for U.S. federal income tax purposes holds our Class A common stock, the U.S. federal income tax treatment of a partner will generally depend on the status of the partner and the activities of the partnership. Partnerships holding our Class A common stock and partners in such partnerships are urged to consult their tax advisers as to the particular U.S. federal income tax consequences of holding and disposing of our Class A common stock.

        This discussion is based on the Internal Revenue Code of 1986, as amended (the Code), and administrative pronouncements, judicial decisions and final, temporary and proposed Treasury Regulations, changes to any of which subsequent to the date of this prospectus may affect the tax consequences described herein. This discussion does not address all aspects of U.S. federal income and estate taxation that may be relevant to Non-U.S. Holders in light of their particular circumstances and does not address any tax consequences arising under the laws of any state, local or foreign jurisdiction. Prospective holders are urged to consult their tax advisers with respect to the particular tax consequences to them of owning and disposing of our Class A common stock, including the consequences under the laws of any state, local or foreign jurisdiction.

Dividends

        As discussed under "Dividend Policy" above, we do not currently expect to pay dividends. In the event that we do pay dividends, dividends paid to a Non-U.S. Holder of our Class A common stock generally will be subject to withholding tax at a 30% rate or a reduced rate specified by an applicable income tax treaty. In order to obtain a reduced rate of withholding, a Non-U.S. Holder will be required to provide an Internal Revenue Service Form W-8BEN certifying its entitlement to benefits under a treaty.

        If dividends paid to a Non-U.S. Holder are effectively connected with the Non-U.S. Holder's conduct of a trade or business in the United States (and, if an income tax treaty applies, are attributable to a permanent establishment in the United States), the Non-U.S. Holder, although exempt from the withholding tax discussed in the preceding paragraph, will generally be taxed in the same manner as a U.S. person. In this case, we will not have to withhold U.S. federal withholding tax if the Non-U.S. Holder complies with applicable certification and disclosure requirements. In general, the Non-U.S. Holder will be required to provide a properly executed Internal Revenue Service Form W-8ECI in order to claim an exemption from withholding. A non-U.S. corporation receiving effectively connected dividends may also be subject to an additional "branch profits tax" imposed at a rate of 30% (or a lower treaty rate).

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Gain on Disposition of Class A Common Stock

        A non-U.S. holder generally will not be subject to U.S. federal income tax on gain realized on a sale or other disposition of our Class A common stock unless:

        The company believes that it is not, and does not anticipate becoming, a U.S. real property holding corporation.

        If a Non-U.S. Holder is engaged in a trade or business in the United States and gain recognized by the Non-U.S. Holder on a sale or other disposition of our Class A common stock is effectively connected with a conduct of such trade or business, the Non-U.S. Holder will generally be taxed in the same manner as a U.S. person, subject to an applicable income tax treaty providing otherwise. Non-U.S. Holders whose gain from dispositions of our Class A common stock may be effectively connected with a conduct of a trade or business in the United States are urged to consult their own tax advisers with respect to the U.S. tax consequences of the ownership and disposition of our Class A common stock, including the possible imposition of a branch profits tax.

Information Reporting Requirements and Backup Withholding

        Information returns will be filed with the Internal Revenue Service in connection with payments of dividends on our Class A common stock. Unless the Non-U.S. Holder complies with certification procedures to establish that it is not a U.S. person, information returns may be filed with the Internal Revenue Service in connection with the proceeds from a sale or other disposition of our Class A common stock and the Non-U.S. Holder may be subject to U.S. backup withholding on dividend payments on our Class A common stock or on the proceeds from a sale or other disposition of our Class A common stock. The certification procedures required to claim a reduced rate of withholding under a treaty described above will satisfy the certification requirements necessary to avoid backup withholding as well. The amount of any backup withholding from a payment to a Non-U.S. Holder will be allowed as a credit against such holder's U.S. federal income tax liability and may entitle such holder to a refund, provided that the required information is timely furnished to the Internal Revenue Service.

Federal Estate Tax

        Individual Non-U.S. Holders and entities the property of which is potentially includible in such an individual's gross estate for U.S. federal estate tax purposes (for example, a trust funded by such an individual and with respect to which the individual has retained certain interests or powers), should note that, absent an applicable treaty benefit, our Class A common stock will be treated as U.S. situs property subject to U.S. federal estate tax.

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UNDERWRITING

        Under the terms and subject to the conditions contained in an underwriting agreement dated                  , we have agreed to sell to the underwriters named below, for whom Credit Suisse Securities (USA) LLC, Morgan Stanley & Co. Incorporated, Goldman, Sachs & Co. and Deutsche Bank Securities Inc. are acting as representatives, the following respective numbers of shares of Class A common stock:

Underwriter
  Number of
Shares

Credit Suisse Securities (USA) LLC

   

Morgan Stanley & Co. Incorporated

   

Goldman, Sachs & Co.  

   

Deutsche Bank Securities Inc. 

   

RBS Securities Inc. 

   

Citigroup Global Markets Inc. 

   

Macquarie Capital (USA) Inc. 

   

Piper Jaffray & Co. 

   

KeyBanc Capital Markets Inc. 

   

SG Americas Securities, LLC

   
     
 

Total

   
     

        The underwriting agreement provides that the underwriters are obligated to purchase all the shares of Class A common stock in this offering if any are purchased, other than those shares of Class A common stock covered by the over-allotment option described below. The underwriting agreement also provides that if an underwriter defaults the purchase commitments of non-defaulting underwriters may be increased or this offering may be terminated. The offering of the shares of Class A common stock by the underwriters is subject to receipt and acceptance and subject to the underwriters' right to reject any order in whole or in part.

        We have granted to the underwriters a 30-day option to purchase on a pro rata basis up to            additional shares of Class A common stock from us at the initial public offering price less the underwriting discounts and commissions. The option may be exercised only to cover any over-allotments of Class A common stock.

        The underwriters propose to offer the shares of Class A common stock initially at the public offering price on the cover of this prospectus and to selling group members at that price less a selling concession of $            per share. After the initial public offering the underwriters may change the public offering price and concession and discount to broker/dealers.

        The following table summarizes the compensation we will pay:

 
  Per Share   Total  
 
  Without
Over-
allotment
  With
Over-
allotment
  Without
Over-
allotment
  With
Over-
allotment
 

Underwriting discounts and commissions paid by us

        $     $     $    

        We estimate that our out-of-pocket expenses for this offering will be approximately $            .

        The representatives have informed us that they do not expect sales to accounts over which the underwriters have discretionary authority to exceed 5% of the shares of Class A common stock being offered.

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        We have agreed that we will not offer, sell, contract to sell, pledge or otherwise dispose of, directly or indirectly, enter into any swap, hedge or any other agreement that transfers, in whole or in part, the economic consequences of ownership of, or establish or increase a put equivalent position or liquidate or decrease a call equivalent position in or file with the SEC a registration statement under the Securities Act relating to, any shares of our Class A common stock or securities convertible into or exchangeable or exercisable for any shares of our Class A common stock, or publicly disclose the intention to make any offer, sale, pledge, disposition or filing, without the prior written consent of Credit Suisse Securities (USA) LLC, Morgan Stanley & Co. Incorporated and Goldman, Sachs & Co. for a period of 180 days after the date of this prospectus. However, in the event that either (1) during the last 17 days of the "lock-up" period, we release earnings results or material news or a material event relating to us occurs or (2) prior to the expiration of the "lock-up" period, we announce that we will release earnings results during the 16-day period beginning on the last day of the "lock-up" period, then in either case the expiration of the "lock-up" will be extended until the expiration of the 18-day period beginning on the date of the release of the earnings results or the occurrence of the material news or event, as applicable, unless Credit Suisse Securities (USA) LLC, Morgan Stanley & Co. Incorporated and Goldman, Sachs & Co. waive, in writing, such an extension.

        Our officers and directors and stockholders have agreed that they will not offer, sell, contract to sell, pledge or otherwise dispose of, directly or indirectly, any shares of our Class A common stock, units of First Wind Holdings, LLC, or securities convertible into or exchangeable or exercisable for any shares of our Class A common stock or units of First Wind Holdings, LLC, enter into a transaction that would have the same effect, or enter into any swap, hedge or other arrangement that transfers, in whole or in part, any of the economic consequences of ownership of our Class A common stock or units of First Wind Holdings, LLC, whether any of these transactions are to be settled by delivery of our Class A common stock or units of First Wind Holdings, LLC, other securities, in cash or otherwise, or publicly disclose the intention to make any offer, sale, pledge or disposition, or to enter into any transaction, swap, hedge or other arrangement, without, in each case, the prior written consent of Credit Suisse Securities (USA) LLC, Morgan Stanley & Co. Incorporated and Goldman, Sachs & Co. for a period of 180 days after the date of this prospectus. However, in the event that either (1) during the last 17 days of the "lock-up" period, we release earnings results or material news or a material event relating to us occurs or (2) prior to the expiration of the "lock-up" period, we announce that we will release earnings results during the 16-day period beginning on the last day of the "lock-up" period, then in either case the expiration of the "lock-up" will be extended until the expiration of the 18-day period beginning on the date of the release of the earnings results or the occurrence of the material news or event, as applicable, unless Credit Suisse Securities (USA) LLC, Morgan Stanley & Co. Incorporated and Goldman, Sachs & Co. waive, in writing, such an extension. Notwithstanding the foregoing, such officers, directors and stockholders may transfer our Class A common stock or units of First Wind Holdings, LLC: (i) as a bona fide gift or gifts, or by will or intestacy; (ii) to any trust for the direct or indirect benefit of such person or the immediate family of such person; (iii) if such person is a corporation, partnership, limited liability company or other business entity, to general or limited partners, members, stockholders or any wholly-owned subsidiary of such person and, in the case of the D. E. Shaw group, Madison Dearborn and UPC Wind Partners II, LLC, to an affiliate under common control; (iv) in connection with the exercise by such person of any option to acquire our Class A common stock or any exchange of membership interests of First Wind Holdings, LLC and a corresponding number of shares of our Class B common stock in a manner consistent with the provisions therefor detailed in the Limited Liability Company Agreement of First Wind Holdings, LLC; provided that, in the case of (i), (ii), (iii) and (iv), (A) each donee, trustee, distributee or transferee, as the case may be, agrees to be bound in writing by the terms of the "lock-up" prior to such transfer, (B) no filing by any party (transferor, donee, trustee, distributee or transferee) under the Exchange Act shall be required or shall be voluntarily made in connection with such transfer (other than a filing on a Form 5 made after the expiration of the "lock-up" period) and (C) such transfer shall not involve a

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disposition for value. A transfer of Class A common stock acquired by the undersigned in the open market may be made, provided that (A) the transferee agrees to be bound in writing by the terms of the "lock-up" prior to such transfer, (B) no filing by any party (transferor or transferee) under the Exchange Act shall be required or shall be voluntarily made in connection with such transfer (other than a filing on a Form 5 made after the expiration of the "lock-up" period) and (C) in the case of officers, directors and stockholders other than the D. E. Shaw group, Madison Dearborn and UPC Wind Partners II, LLC, such transfer shall not involve a disposition for value, and in the case of the D. E. Shaw group, Madison Dearborn and UPC Wind Partners II, LLC, prior to engaging in any such transfer, such person shall have provided notice of such transfer to Credit Suisse Securities (USA) LLC, Morgan Stanley & Co. Incorporated and Goldman, Sachs & Co. The D. E. Shaw group, Madison Dearborn and UPC Wind Partners II, LLC may also establish a trading plan pursuant to Rule 10b5-1 under the Exchange Act for the transfer of our Class A common stock, provided that such plan does not provide for the transfer of such shares during the "lock-up" period. For purposes of the "lock-up," "immediate family" means any relationship by blood, marriage or adoption, not more remote than first cousin.

        Credit Suisse Securities (USA) LLC, Morgan Stanley & Co. Incorporated and Goldman, Sachs & Co. have informed us that they do not have a present intent or arrangement to shorten or waive any of the "lock-up" periods with respect to us or any of our officers, directors or stockholders, and will consider the release of any shares subject to a "lock-up" arrangement on a case-by-case basis. Upon a request to release any shares subject to a "lock-up" arrangement, Credit Suisse Securities (USA) LLC, Morgan Stanley & Co. Incorporated and Goldman, Sachs & Co. would consider the particular circumstances surrounding the request, including, but not limited to, the length of time before the "lock-up" period expires, the number of shares requested to be released, reasons for the request, the possible impact on the trading price of our common stock, historical trading volumes of our common stock and whether the holder of our shares requesting the release is an officer, director or stockholder of ours.

        We have agreed to indemnify the several underwriters against liabilities under the Securities Act, or contribute to payments that the underwriters may be required to make in that respect, to the extent these liabilities arise out of or are based upon untrue statements or alleged untrue statements of material facts contained in the offering materials, including this prospectus, or omissions or alleged omissions of material facts required or necessary to be stated therein, with an exception for certain information furnished to us by the underwriters specifically for use in such offering materials.

        We have applied to list the shares of Class A common stock on the Nasdaq Global Market.

        In connection with the offering the underwriters may engage in stabilizing transactions, over-allotment transactions, syndicate covering transactions and penalty bids in accordance with Regulation M under the Exchange Act.

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        These stabilizing transactions, syndicate covering transactions and penalty bids may have the effect of raising or maintaining the market price of our Class A common stock or preventing or retarding a decline in the market price of the Class A common stock. As a result the price of our Class A common stock may be higher than the price that might otherwise exist in the open market. These transactions may be effected on the Nasdaq Global Market and, if commenced, may be discontinued at any time.

        Before this offering , there has been no public market for our Class A common stock. The initial public offering price will be determined by negotiations between us and the representatives. Among the factors to be considered in determining the initial public offering price will be our future prospects and those of our industry in general, our financial operating information in recent periods, and market prices of securities and financial and operating information of companies engaged in activities similar to ours.

        A prospectus in electronic format may be made available on the websites maintained by one or more of the underwriters, or selling group members, if any, participating in this offering and one or more of the underwriters participating in this offering may distribute prospectuses electronically. The representatives may agree to allocate a number of shares to underwriters and selling group members for sale to their online brokerage account holders. Internet distributions will be allocated by the underwriters and selling group members that will make internet distributions on the same basis as other allocations.

        The underwriters and their respective affiliates are full service financial institutions engaged in various activities, which may include securities trading, commercial and investment banking, financial advisory, investment management, principal investment, hedging, financing and brokerage activities.

        In the ordinary course of their various business activities, the underwriters and their respective affiliates may make or hold a broad array of investments and actively trade debt and equity securities (or related derivative securities) and financial instruments (including bank loans) for their own account and for the accounts of their customers and may at any time hold long and short positions in such securities and instruments. Such investment and securities activities may involve securities and instruments of the Company.

        In the ordinary course, the underwriters and their affiliates have provided, and may in the future provide, investment banking, commercial banking, financial advisory or other financial services to us and our affiliates for which they have received compensation and may receive compensation in the future. Affiliates of Credit Suisse Securities (USA) LLC, Morgan Stanley & Co. Incorporated and Citigroup Global Markets Inc. have entered into hedging transactions with us. In September 2009, an affiliate of Credit Suisse Securities (USA) LLC entered into tax equity financing transactions with us. In April 2009, our subsidiary that owns our Milford I project entered into a secured credit agreement

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with RBS Securities Inc., as lead arranger and borrower, and with a syndicate of financial institutions (including affiliates of Credit Suisse Securities (USA) LLC, KeyBanc Capital Markets Inc. and SG Americas Securities, LLC). In 2009, Credit Suisse Securities (USA) LLC received cash compensation for its role as placement agent in connection with a potential private placement that resulted in our loan transaction with affiliates of AIMCO. In March 2010, we entered into a secured letter of credit facility with a syndicate of financial institutions, including affiliates of Credit Suisse Securities (USA) LLC, Morgan Stanley & Co. Incorporated, Goldman, Sachs & Co., Deutsche Bank Securities Inc. and RBS Securities Inc. Also in March 2010, we entered into a term loan with two financial institutions, including an affiliate of Credit Suisse Securities (USA) LLC. We also have a signed commitment letter with a consortium of banks, including affiliates of RBS Securities Inc. and SG Americas Securities, LLC, to provide construction financing for our Milford II project.

European Economic Area

        In relation to each Member State of the European Economic Area that has implemented the Prospectus Directive, (each, a "Relevant Member State") each underwriter has represented and agreed that with effect from and including the date on which the Prospectus Directive is implemented in that Relevant Member State ("Relevant Implementation Date") it has not made and will not make an offer of shares to the public in that Relevant Member State prior to the publication of a prospectus in relation to the shares that has been approved by the competent authority in that Relevant Member State or, where appropriate, approved in another Relevant Member State and notified to the competent authority in that Relevant Member State, all in accordance with the Prospectus Directive, except that it may, with effect from and including the Relevant Implementation Date, make an offer of shares to the public in that Relevant Member State at any time:

        For the purposes of this provision, the expression an "offer of shares to the public" in relation to any shares in any Relevant Member State means the communication in any form and by any means of sufficient information on the terms of the offer and the shares to be offered so as to enable an investor to decide to purchase or subscribe the shares, as the same may be varied in that Member State by any measure implementing the Prospectus Directive in that Member State and the expression "Prospectus Directive" means Directive 2003/71/EC and includes any relevant implementing measure in each Relevant Member State.

        In the case of any shares being offered by an underwriter to a financial intermediary, as that term is used in Article 3(2) of the of the Prospectus Directive, such financial intermediary will be deemed to have represented and agreed to and with the underwriter that: (i) the shares purchased by it have not been acquired on behalf of, nor have they been acquired with a view to their offer or resale to, persons in any Relevant Member State other than "qualified investors" (as defined in the Prospectus Directive) or in circumstances in which the prior consent of the representatives has been obtained to each such offer or resale; or (ii) where shares have been purchased by it on behalf of persons in any Relevant

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Member State other than qualified investors, the offer of those shares to it is not treated under the Prospectus Directive as having been made to such persons.

United Kingdom

        Each of the underwriters has represented and agreed as follows:

Singapore

        This prospectus has not been registered as a prospectus with the Monetary Authority of Singapore. Accordingly, this prospectus and any other document or material in connection with the offer or sale, or invitation for subscription or purchase, of the shares may not be circulated or distributed, nor may the shares be offered or sold, or be made the subject of an invitation for subscription or purchase, whether directly or indirectly, to persons in Singapore other than (i) to an institutional investor under Section 274 of the Securities and Futures Act, Chapter 289 of Singapore (the "SFA"), (ii) to a relevant person, or any person pursuant to Section 275(1A), and in accordance with the conditions, specified in Section 275 of the SFA or (iii) otherwise pursuant to, and in accordance with the conditions of, any other applicable provision of the SFA.

        Where the shares are subscribed or purchased under Section 275 by a relevant person that is:

Japan

        The securities have not been and will not be registered under the Financial Instruments and Exchange Law, as amended (the "FIEL"). Each underwriter has represented and agreed that the securities which it purchases will be purchased by it as principal and that, in connection with the offering, it will not, directly or indirectly, offer or sell any securities in Japan or to, or for the benefit of, any resident of Japan (which term as used herein means any person resident in Japan, including any corporation or entity organized under the laws of Japan), or to others for re-offer or resale, directly or

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indirectly, in Japan or to, or for the benefit of, any resident of Japan, except pursuant to an exemption from the registration requirements under the FIEL and otherwise in compliance with such law and any other applicable laws, regulations and ministerial guidelines of Japan.

Hong Kong

        The shares may not be offered or sold by means of any document other than (i) in circumstances that do not constitute an offer to the public within the meaning of the Companies Ordinance (Cap.32, Laws of Hong Kong), or (ii) to "professional investors" within the meaning of the Securities and Futures Ordinance (Cap.571, Laws of Hong Kong) and any rules made thereunder, or (iii) in other circumstances that do not result in the document being a "prospectus" within the meaning of the Companies Ordinance (Cap.32, Laws of Hong Kong), and no advertisement, invitation or document relating to the shares may be issued or may be in the possession of any person for the purpose of issue (in each case whether in Hong Kong or elsewhere), which is directed at, or the contents of which are likely to be accessed or read by, the public in Hong Kong (except if permitted to do so under the laws of Hong Kong) other than with respect to shares that are or are intended to be disposed of only to persons outside Hong Kong or only to "professional investors" within the meaning of the Securities and Futures Ordinance (Cap. 571, Laws of Hong Kong) and any rules made thereunder.

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NOTICE TO CANADIAN RESIDENTS

Resale Restrictions

        The distribution of the Class A common stock in Canada is being made only on a private placement basis exempt from the requirement that we prepare and file a prospectus with the securities regulatory authorities in each province where trades of Class A common stock are made. Any resale of the Class A common stock in Canada must be made under applicable securities laws which may vary depending on the relevant jurisdiction, and which may require resales to be made under available statutory exemptions or under a discretionary exemption granted by the applicable Canadian securities regulatory authority. Purchasers are advised to seek legal advice prior to any resale of the Class A common stock.

Representations of Purchasers

        By purchasing Class A common stock in Canada and accepting delivery of a purchase confirmation, a purchaser is representing to us and the dealer from whom the purchase confirmation is received that:

Rights of Action—Ontario Purchasers Only

        Under Ontario securities legislation, certain purchasers who purchase a security offered by this document during the period of distribution will have a statutory right of action for damages, or while still the owner of the Class A common stock, for rescission against us in the event that this document contains a misrepresentation without regard to whether the purchaser relied on the misrepresentation. The right of action for damages is exercisable not later than the earlier of 180 days from the date the purchaser first had knowledge of the facts giving rise to the cause of action and three years from the date on which payment is made for the Class A common stock. The right of action for rescission is exercisable not later than 180 days from the date on which payment is made for the Class A common stock. If a purchaser elects to exercise the right of action for rescission, the purchaser will have no right of action for damages against us. In no case will the amount recoverable in any action exceed the price at which the Class A common stock were offered to the purchaser and if the purchaser is shown to have purchased the securities with knowledge of the misrepresentation, we will have no liability. In the case of an action for damages, we will not be liable for all or any portion of the damages that are proven to not represent the depreciation in value of the Class A common stock as a result of the misrepresentation relied upon. These rights are in addition to, and without derogation from, any other

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rights or remedies available at law to an Ontario purchaser. The foregoing is a summary of the rights available to an Ontario purchaser. Ontario purchasers should refer to the complete text of the relevant statutory provisions.

Enforcement of Legal Rights

        All of our directors and officers as well as the experts named herein may be located outside of Canada and, as a result, it may not be possible for Canadian purchasers to effect service of process within Canada upon us or those persons. All or a substantial portion of our assets and the assets of those persons may be located outside of Canada and, as a result, it may not be possible to satisfy a judgment against us or those persons in Canada or to enforce a judgment obtained in Canadian courts against us or those persons outside of Canada.

Taxation and Eligibility for Investment

        Canadian purchasers of Class A common stock should consult their own legal and tax advisors with respect to the tax consequences of an investment in the Class A common stock in their particular circumstances and about the eligibility of the investment by the purchaser under relevant Canadian legislation.

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LEGAL MATTERS

        The validity of the shares offered hereby and certain other legal matters in connection with this offering will be passed upon for us by Davis Polk & Wardwell LLP, New York, New York. Certain legal matters in connection with the shares of Class A common stock offered hereby will be passed upon for the underwriters by Kirkland & Ellis LLP, Chicago, Illinois. Kirkland & Ellis LLP represents Madison Dearborn Capital Partners IV, L.P. and entities affiliated with it, including First Wind Holdings, LLC, in connection with various legal matters.


EXPERTS

        The consolidated financial statements (including the financial statement schedule) of First Wind Holdings, LLC at December 31, 2009 and 2008 and for each of the two years in the period ended December 31, 2009, appearing in this Prospectus and Registration Statement have been audited by Ernst & Young LLP, independent registered public accounting firm, as set forth in their report thereon, appearing elsewhere herein, and are included in reliance upon such report given on the authority of such firm as experts in accounting and auditing.

        The consolidated statements of operations, members' capital and cash flows of First Wind Holdings, LLC and subsidiaries for the year ended December 31, 2007 included in this prospectus and in the registration statement and the related financial statement schedule included elsewhere in the registration statement have been audited by KPMG LLP, independent registered public accounting firm, as stated in their reports appearing in this prospectus and in the registration statement, and have been so included in reliance upon the reports of such firm given upon their authority as experts in accounting and auditing.

        The audit report of KPMG LLP covering the consolidated statements of operations, members' capital and cash flows for the year ended December 31, 2007 contains an explanatory paragraph that states that First Wind Holdings, LLC's recurring losses from operations, negative operating cash flows, accumulated deficit, and insufficient resources to meet its funding needs through January 1, 2009 raise substantial doubt about First Wind Holdings, LLC's ability to continue as a going concern. The consolidated statements of operations, members' capital and cash flows for the year ended December 31, 2007 do not include any adjustments that might result from the outcome of that uncertainty.

        The financial statements of First Wind Holdings Inc. have been omitted because the entity has not commenced commercial operations, and has no activities except in connection with its formation, as described in "The Reorganization and Our Holding Company Structure."


CHANGE OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        On February 3, 2009, we decided to engage new auditors as our independent accountants to audit our financial statements. Our board of directors approved the change of accountants to Ernst & Young LLP. Accordingly, as of February 3, 2009, KPMG LLP was dismissed as our independent registered public accounting firm.

        During the two fiscal years ended December 31, 2007 and the subsequent interim period through February 3, 2009, there were no: (1) disagreements with KPMG LLP on any matter of accounting principles or practices, financial statement disclosure or auditing scope procedure, which disagreements if not resolved to their satisfaction would have caused them to make reference in connection with their opinion to the subject matter of the disagreement, or (2) reportable events, except that KPMG advised us of the following material weakness in our internal control over financial reporting that related to the adequacy of our financial and accounting organization support for our financial accounting and reporting needs. These weaknesses resulted from a lack of sufficient personnel, and contributed to

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significant deficiencies related to: (1) effective policies and procedures designed to ensure certain costs are capitalized in accordance with generally accepted accounting principles and captured in the appropriate accounting period; (2) an effective process to ensure the completeness of accounts payable and accrued expenses; and (3) an effective review and approval process for journal entries.

        The audit report of KPMG LLP on the consolidated statements of operations, members' capital and cash flows of First Wind Holdings, LLC for the year ended December 31, 2007 did not contain any adverse opinion or a disclaimer of opinion, nor was it qualified or modified as to uncertainty, audit scope or accounting principles, except as follows: The audit report of KPMG LLP on the consolidated statements of operations, members' capital and cash flows of First Wind Holdings LLC and subsidiaries for the year ended December 31, 2007 contained an explanatory paragraph stating that: "The 2007 consolidated financial statements have been prepared assuming that the Company will continue as a going concern. As discussed in Note 2 to the consolidated financial statements, the Company has suffered recurring losses from operations and negative operating cash flows, has an accumulated deficit amounting to $116.4 million as of December 31, 2007, and does not have sufficient resources available to meet its funding needs through January 1, 2009. Those conditions raise substantial doubt about its ability to continue as a going concern. Management's plans in regard to these matters are also described in Note 2. The consolidated financial statements do not include any adjustments that might result from the outcome of this uncertainty."

        A letter from KPMG LLP is attached as Exhibit 16.1 to this Form S-1.

        During the last two fiscal years and subsequent interim periods preceding their engagement, Ernst & Young LLP was not consulted on any matter relating to accounting principles with respect to a specific transaction, either completed or proposed, or the type of audit opinion that might be rendered on our financial statements.


WHERE YOU CAN FIND MORE INFORMATION

        We have filed with the SEC, under the Securities Act, a registration statement on Form S-1 with respect to the Class A common stock offered by this prospectus. This prospectus, which constitutes part of the registration statement, does not contain all of the information set forth in the registration statement or the exhibits and schedules that are part of the registration statement, portions of which are omitted as permitted by the rules and regulations of the SEC. Statements made in this prospectus regarding the contents of any contract or other documents are summaries of the material terms of the contract or document. With respect to each contract or document filed as an exhibit to the registration statement, reference is made to the corresponding exhibit. For further information pertaining to us and to the Class A common stock offered by this prospectus, reference is made to the registration statement, including the exhibits and schedules thereto, copies of which may be inspected without charge at the public reference facilities of the SEC at 100 F Street, N.E., Room 1580, Washington, D.C. 20549. Copies of all or any portion of the registration statement may also be obtained by calling the SEC at 1-800-SEC-0330. In addition, the SEC maintains a website that contains reports, proxy and information statements, and other information that is filed electronically with the SEC. The website can be accessed at www.sec.gov.

        After effectiveness of the registration statement, of which this prospectus is a part, we will be required to comply with the requirements of the Securities Exchange Act of 1934, as amended, and, accordingly, will file current reports on Form 8-K, quarterly reports on Form 10-Q, annual reports on Form 10-K and other information with the SEC. Those reports and other information will be available for inspection and copying at the public reference facilities and internet website of the SEC referred to above.

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INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

 
  Page

First Wind Holdings, LLC

   
 

Annual Financial Statements

   
   

Report of Ernst & Young LLP, Independent Registered Public Accounting Firm

  F-2
   

Report of KPMG LLP, Independent Registered Public Accounting Firm

  F-3
   

Consolidated Balance Sheets as of December 31, 2008 and 2009

  F-4
   

Consolidated Statements of Operations for the years ended December 31, 2007, 2008 and 2009

  F-5
   

Consolidated Statements of Cash Flows for the years ended December 31, 2007, 2008 and 2009

  F-6
   

Consolidated Statements of Members' Capital for the years ended December 31, 2007, 2008 and 2009

  F-7
   

Notes to the Consolidated Financial Statements

  F-8
 

Quarterly Financial Statements

   
   

Condensed Consolidated Balance Sheets as of December 31, 2009 and March 31, 2010 (Unaudited)

  F-44
   

Condensed Consolidated Statements of Operations for the three months ended March 31, 2009 and 2010 (Unaudited)

  F-45
   

Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2009 and 2010 (Unaudited)

  F-46
   

Notes to Condensed Consolidated Financial Statements (Unaudited)

  F-47

First Wind Holdings Inc.

        The financial statements of First Wind Holdings Inc. have been omitted from this presentation because the entity has not commenced operations, and has no activities except in connection with its formation, as described in "The Reorganization and Our Holding Company Structure."

F-1



Report of Independent Registered Public Accounting Firm

The Board of Managers
First Wind Holdings, LLC

        We have audited the accompanying consolidated balance sheets of First Wind Holdings, LLC and subsidiaries as of December 31, 2009 and 2008, and the related consolidated statements of operations, members' capital, and cash flows for the years then ended. Our audits also included the financial statement schedule listed in the Index at Item 16. These financial statements and schedule are the responsibility of the Company's management. Our responsibility is to express an opinion on these financial statements and schedule based on our audits.

        We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. We were not engaged to perform an audit of the Company's internal control over financial reporting. Our audits included consideration of internal control over financial reporting as a basis for designing audit procedures that are appropriate in the circumstances, but not for the purpose of expressing an opinion on the effectiveness of the Company's internal control over financial reporting. Accordingly, we express no such opinion. An audit also includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements, assessing the accounting principles used and significant estimates made by management, and evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

        In our opinion, the financial statements referred to above present fairly, in all material respects, the consolidated financial position of First Wind Holdings, LLC and subsidiaries at December 31, 2009 and 2008, and the consolidated results of their operations and their cash flows for the years then ended, in conformity with U.S. generally accepted accounting principles. Also, in our opinion, the related financial statement schedule, when considered in relation to the basic financial statements as a whole, presents fairly in all material respects the information set forth therein.

    /s/ Ernst & Young LLP              

Boston, MA
March 24, 2010

F-2



Report of Independent Registered Public Accounting Firm

The Board of Directors and Members
First Wind Holdings, LLC:

        We have audited the consolidated statements of operations, members' capital (deficit) and cash flows of First Wind Holdings, LLC and subsidiaries for the year ended December 31, 2007. These consolidated financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on these consolidated financial statements based on our audit.

        We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audit provides a reasonable basis for our opinion.

        In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the results of operations and cash flows of First Wind Holdings, LLC and subsidiaries for the year ended December 31, 2007, in conformity with U.S. generally accepted accounting principles.

        The 2007 consolidated financial statements have been prepared assuming that the Company will continue as a going concern. As discussed in Note 2 to the consolidated financial statements, the Company has suffered recurring losses from operations and negative operating cash flows, has an accumulated deficit amounting to $116.4 million as of December 31, 2007, and does not have sufficient resources available to meet its funding needs through January 1, 2009. Those conditions raise substantial doubt about its ability to continue as a going concern. Management's plans in regard to these matters are also described in Note 2. The consolidated financial statements do not include any adjustments that might result from the outcome of this uncertainty.

        As discussed in the first paragraph under the caption "Significant New Accounting Policies" in Note 3, the consolidated financial statements have been adjusted for the retrospective application of Financial Accounting Standards Board Accounting Standards Codification 810, Consolidation, which became effective for the Company on January 1, 2009.

/s/ KPMG LLP

Boston, Massachusetts
July 29, 2008, except for the first paragraph under the
    caption "Significant New Accounting Policies" in
    Note 3 to the consolidated financial statements relating
    to the retrospective change in accounting for noncontrolling
    interests which is as of December 22, 2009.

F-3



First Wind Holdings, LLC and Subsidiaries

Consolidated Balance Sheets

(in thousands)

 
  December 31,  
 
  2008   2009  

Assets

             

Current assets:

             
 

Cash and cash equivalents

  $ 40,729   $ 31,467  
 

Restricted cash

    1,433     45,974  
 

Accounts receivable

    3,027     6,390  
 

Prepaid expenses and other current assets

    10,096     9,096  
 

Derivative assets

    3,536     9,150  
           
     

Total current assets

    58,821     102,077  

Property, plant and equipment, net of accumulated depreciation of $23,768 and $59,831 as of December 31, 2008 and 2009

    187,316     950,610  

Construction in progress

    571,586     472,526  

Turbine deposits

    438,116     97,172  

Long-term derivative assets

    22,279     37,638  

Other non-current assets

    23,580     21,671  

Deferred financing costs, net of accumulated amortization of $2,426 and $6,414 as of December 31, 2008 and 2009

    9,893     16,460  
           
     

Total assets

  $ 1,311,591   $ 1,698,154  
           

Liabilities and Members' Capital

             

Current Liabilities:

             
 

Accrued capital expenditures and turbine deposits

  $ 31,929   $ 44,894  
 

Accounts payable and accrued expenses

    42,868     16,440  
 

Derivative liabilities

    838     3,449  
 

Current portion of long-term debt

    4,548     109,238  
           
     

Total current liabilities

    80,183     174,021  

Long-term debt, net of current portion

    527,893     522,808  

Long-term derivative liabilities

    8,442     10,197  

Deferred income tax liability

        2,010  

Deferred revenue

    1,447     2,777  

Other liabilities

    34,221     7,555  

Redeemable interest in subsidiary

        119,998  

Asset retirement obligations

    6,313     9,415  
           
     

Total liabilities

    658,499     848,781  

Commitments and contingencies

             

Members' capital:

             
 

First Wind Holdings, LLC

             
   

Members' capital

    668,189     847,251  
   

Accumulated deficit

    (131,610 )   (191,229 )
           
     

Total First Wind Holdings, LLC members' capital

    536,579     656,022  
 

Noncontrolling interests in subsidiaries

    116,513     193,351  
           
     

Total members' capital

    653,092     849,373  
           
     

Total liabilities and members' capital

  $ 1,311,591   $ 1,698,154  
           

See accompanying notes to consolidated financial statements.

F-4



First Wind Holdings, LLC and Subsidiaries

Consolidated Statements of Operations

(in thousands)

 
  Year ended December 31,  
 
  2007   2008   2009  

Revenues:

                   
 

Revenues

  $ 23,817   $ 28,790   $ 47,136  
 

Risk management activities related to operating projects

    (11,471 )   10,688     28,141  
               
   

Total revenues

    12,346     39,478     75,277  

Cost of revenues:

                   
 

Project operating expenses

    9,175     10,613     19,709  
 

Depreciation and amortization of operating assets

    8,800     10,611     34,185  
               
   

Total cost of revenues

    17,975     21,224     53,894  
               
   

Gross (loss) income

    (5,629 )   18,254     21,383  

Other operating expenses:

                   
 

Project development

    25,861     35,855     35,895  
 

General and administrative

    13,308     44,358     39,192  
 

Depreciation and amortization

    1,215     2,325     3,381  
               
   

Total other operating expenses

    40,384     82,538     78,468  
               
   

Loss from operations

    (46,013 )   (64,284 )   (57,085 )

Risk management activities related to non-operating projects

    (21,141 )   42,138      

Other income/(expense)

    1,078     827     (1,915 )

Interest expense, net of capitalized interest

    (9,820 )   (4,846 )    
               

Loss before provision for income taxes

    (75,896 )   (26,165 )   (59,000 )
 

Provision for income taxes

            2,010  
               

Net loss

    (75,896 )   (26,165 )   (61,010 )

Less: net loss attributable to noncontrolling interests

    7,825     11,107     1,391  
               
   

Net loss attributable to members of First Wind Holdings, LLC

  $ (68,071 ) $ (15,058 ) $ (59,619 )
               

Net loss attributable per Series A unit:

                   
 

Basic and diluted net loss attributable per Series A unit

  $ (0.36 ) $ (0.05 ) $ (0.09 )
               

Basic and diluted weighted average number of Series A units

    189,161,855     278,288,518     649,681,382  
               

See accompanying notes to consolidated financial statements.

F-5



First Wind Holdings, LLC and Subsidiaries

Consolidated Statements of Cash Flows

(in thousands)

 
  Year ended December 31,  
 
  2007   2008   2009  

Cash flows from operating activities:

                   
 

Net loss

  $ (75,896 ) $ (26,165 ) $ (61,010 )
 

Adjustments to reconcile net loss to net cash used in operating activities:

                   
   

Depreciation and amortization

    9,878     12,936     36,950  
   

Amortization and write-off of deferred financing costs

    5,319     2,611      
   

Unrealized losses/(gains) on derivative instruments

    30,707     (58,507 )   (16,607 )
   

Loss on equity investment

        856     1,799  
   

Accretion of asset retirement obligations

    137     609     616  
   

Share-based compensation expense

    1,543     8,803     7,522  
   

Deferred income taxes

            2,010  
   

Foreign currency translation

        (130 )    
   

Changes in assets and liabilities:

                   
     

Accounts receivable

    (1,488 )   (314 )   (3,363 )
     

Prepaid expenses and other current assets

    (660 )   (7,532 )   1,000  
     

Other non-current assets

    (2,153 )   (5,127 )   (651 )
     

Other liabilities

        497     2,728  
     

Accounts payable and accrued expenses

    6,243     29,277     (26,802 )
     

Deferred revenue

        597     1,330  
               
       

Net cash used in operating activities

    (26,370 )   (41,589 )   (54,478 )
               

Cash flows from investing activities:

                   
 

Capital expenditures and turbine deposits

    (339,806 )   (473,090 )   (208,992 )
 

Changes in restricted cash

    5,799     (812 )   (44,541 )
 

Investment in equity method investee

        (3,366 )    
               
       

Net cash used in investing activities

    (334,007 )   (477,268 )   (253,533 )
               

Cash flows from financing activities:

                   
 

Proceeds from borrowings

    416,545     371,828     607,421  
 

ARRA grant proceeds, net

            114,965  
 

Proceeds from capital contributions

    13,349     496,714     164,274  
 

Proceeds from sale of subsidiary company interests, net of transaction costs

    143,967     17,920     96,822  
 

Repurchase of subsidiary company interests

            (4,500 )
 

Repayment of borrowings

    (213,784 )   (314,926 )   (673,406 )
 

Proceeds from loans from related parties

    21,722          
 

Distributions to noncontrolling interests

    (23,692 )   (6,886 )   (5,827 )
 

Distributions to members

        (8,591 )   (1,000 )
               
       

Net cash provided by financing activities

    358,107     556,059     298,749  
               
       

Net increase (decrease) in cash and cash equivalents

    (2,270 )   37,202     (9,262 )

Cash and cash equivalents, beginning of period

    5,797     3,527     40,729  
               

Cash and cash equivalents, end of period

  $ 3,527   $ 40,729   $ 31,467  
               

Supplemental disclosures of cash flow information:

                   
 

Cash paid during the year for:

                   
   

Interest

  $ 5,879   $ 33,924   $ 40,162  
 

Non-cash investing activities:

                   
   

Capital expenditures and turbine deposits funded directly from borrowings

            259,267  
   

Fair value of assets exchanged for equity in equity method investee

        610      
   

Fair value of asset retirement obligations

    265     3,198     2,485  
   

Fair value of land acquired

        153      
 

Non-cash financing activities:

                   
   

Conversion of member loans including interest

        23,398      
   

PIK interest on CSSW loan

            7,021  

See accompanying notes to consolidated financial statements.

F-6



First Wind Holdings, LLC and Subsidiaries

Consolidated Statements of Members' Capital

(in thousands)

 
  Series    
   
   
   
   
 
 
  Members'
Capital
  Accumulated
Deficit
  Subtotal
FWH, LLC
  Noncontrolling
Interests
   
 
 
  A Units   A-1 Units   A-2 Units   B Units   Total  

Balance at December 31, 2006

    175,959             36,337   $ 136,870   $ (48,351 ) $ 88,519   $   $ 88,519  
 

Issuance of Series B Units

                1,000                      
 

Share-based compensation

                    1,543         1,543         1,543  
 

Issuance of Series A Units

    13,349                 13,349         13,349         13,349  
 

Proceeds from sale of subsidiary company interests

                                146,348     146,348  
 

Distributions to noncontrolling interests in excess of members' capital balance

                                (21,992 )   (21,992 )
 

Transaction costs associated with tax equity financing

                    (2,295 )       (2,295 )       (2,295 )
 

Distributions

                                            (1,700 )   (1,700 )
 

Net loss

                        (68,071 )   (68,071 )   (7,825 )   (75,896 )
                                       

Balance at December 31, 2007

    189,308             37,337     149,467     (116,422 )   33,045     114,831     147,876  
 

Issuance of Series A Units

    436,942                 427,602         427,602         427,602  
 

Issuance of Series A-1 Units

        60,000             60,000         60,000         60,000  
 

Issuance of Series B Unit, net of forfeitures

                130,626     9,265         9,265         9,265  
 

Issuance of Series A Units on conversion of members' loans

    23,431                 23,398         23,398         23,398  
 

Share-based compensation

                    8,803         8,803         8,803  
 

Distributions to noncontrolling interests in excess of members' capital balance

                                (171 )   (171 )
 

Transaction costs associated with tax equity financing

                    (1,755 )       (1,755 )       (1,755 )
 

Distributions

                    (8,591 )       (8,591 )   (6,886 )   (15,477 )
 

Foreign currency translation adjustment

                        (130 )   (130 )       (130 )
 

Noncontrolling Interests

                                            19,846     19,846  
 

Net loss

                        (15,058 )   (15,058 )   (11,107 )   (26,165 )
                                       

Balance at December 31, 2008

    649,681     60,000         167,963     668,189     (131,610 )   536,579     116,513     653,092  
 

Issuance of Series A-1 Units

        144,500             140,000         140,000         140,000  
 

Issuance of Series A-2 Units

                44,878           24,274           24,274         24,274  
 

Issuance of Series B Units, net of forfeitures

                (17,721 )                    
 

Repurchase of noncontrolling interests

                    13,544         13,544     (18,044 )   (4,500 )
 

Share-based compensation

                    7,522         7,522         7,522  
 

Transaction costs associated with tax equity financing

                    (5,278 )       (5,278 )       (5,278 )
 

Distributions

                    (1,000 )       (1,000 )   (5,827 )   (6,827 )
 

Proceeds from sale of subsidiary company interests

                                102,100     102,100  
 

Net loss

                          (59,619 )   (59,619 )   (1,391 )   (61,010 )
                                       

Balance at December 31, 2009

    649,681     204,500     44,878     150,242   $ 847,251   $ (191,229 ) $ 656,022   $ 193,351   $ 849,373  
                                       

See accompanying notes to consolidated financial statements.

F-7



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements

NOTE 1—BUSINESS

        First Wind Holdings, LLC (First Wind) and its subsidiaries (collectively, the Company) are engaged in the development, construction and operation of utility-scale wind energy projects principally in the Northeastern and Western regions of the continental United States and Hawaii. First Wind is a limited liability company organized under the laws of Delaware.

        At December 31, 2009, the Company had the following wind energy projects in operation or under construction:

Operational Projects    
  Kaheawa Wind Power I (KWP I)(1)   Hawaii
  Mars Hill   Maine
  Steel Winds I   New York
  Stetson I   Maine
  Cohocton I   New York
  Milford I(2)   Utah

Construction Projects

 

 
  Stetson II(3)   Maine

(1)
The Company owns a 51% interest in KWP I.

(2)
As of March 24, 2010, the Company owns an 80% voting interest and a 92% profits interest in Milford I.

(3)
Stetson II became operational in March 2010.

        Cohocton I and Stetson I became operational in January 2009, and Milford I became operational in November 2009. At December 31, 2009, the Company had six wind energy projects in the Tier 1 stage of development, at which it has begun capitalizing development costs.

        In May 2008, First Wind Holdings Inc., a wholly-owned subsidiary of First Wind, was incorporated in the State of Delaware. First Wind Holdings Inc. has filed with the United States Securities and Exchange Commission (SEC) a Registration Statement on Form S-1 (the Registration Statement) to register its Class A common stock under the Securities Act of 1933, as amended, for an initial public offering.

NOTE 2—LIQUIDITY AND GOING CONCERN

        The Company began its business in 2002 and has generated substantial net losses and negative cash flows from operating activities since inception primarily due to the significant growth in development, construction and operation of its wind projects during this period. The Company has relied on equity contributions from its members along with borrowings, secured by certain of its assets, and grants under the American Recovery and Reinvestment Act of 2009 (ARRA) to fund project development spending, procurement of wind turbine generators, construction costs and other operating costs.

        In March 2010, the Company extended the maturity dates for its Wind Acquisition and Wind Acquisition IV turbine supply loans. In connection with this extension, the Company repaid $1.4 million of these turbine supply loans. Also in March 2010, First Wind completed a $77.3 million debt financing and entered into a $50 million letter of credit facility, both of which are discussed further in Note 6. In

F-8



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 2—LIQUIDITY AND GOING CONCERN (Continued)


conjunction with these financing transactions, the Company prepaid approximately $61.0 million of amounts outstanding under these turbine supply loans. As a result of this prepayment, the Wind Acquisition Loan is no longer guaranteed by the Company, and the Wind Acquisition Loan and the Wind Acquisition IV Loan are no longer cross-collateralized and no longer cross-default to each other.

        As of March 24, 2010, the Company had approximately $108 million of debt maturities in 2010, of which $79.9 million relates to a non-recourse turbine supply loan due on June 30, 2010. The Company also had $8.1 million of debt relating to construction of the Stetson II project and $20.0 million of other debt that will be paid with existing cash balances or cash flows from operating projects.

        The Company has a signed commitment letter with a consortium of banks to provide $240 million of construction financing on its Milford II project. This financing commitment is subject to final approval, delivery of an executed power purchase agreement, certain permitting activities, and certain other closing conditions, all of which the Company expects to satisfy on or before June 30, 2010. The Company expects to use proceeds from the Milford II construction financing, which will mature in 2011, to repay the $79.9 million non-recourse turbine supply loan maturing on June 30, 2010. However, there can be no assurance that this financing will close and, if such financing does not close, that any other financing will be available or, if such other financing is available, that it will be available on terms acceptable to the Company. If the Company is unable to repay or further extend the maturity on the $79.9 million non-recourse turbine supply loan, it would be in default of this loan, and the lender could accelerate the remaining balance of $53.1 million due in 2011. This loan is recourse solely to specified collateral, including turbines allocated to the Company's Milford II, KWP II and Rollins projects along with the development assets of the KWP II, Rollins and Oakfield projects. To remedy such a default, the collateral could be sold, or the Company could surrender the collateral to the lender. The carrying value of the specified collateral was approximately $340 million at December 31, 2009, of which approximately $316 million relates to turbines. The Company believes the fair value of the collateral substantially exceeds the principal amount of corresponding non-recourse debt that it secures. While surrender of the collateral would not prevent the Company's ability to continue 2010 operations, it would result in a loss for financial reporting purposes and could have an adverse effect on the Company's longer term operations, including a potential delay in completion of one or more of the projects noted above.

        The Stetson Holdings Loan includes a bridge loan of $18.6 million that can be drawn upon to fund construction costs for the Stetson II project after the proceeds of the term loan allocated to Stetson II have been fully utilized. As of March 24, 2010, $8.1 million of the bridge loan was drawn to fund construction of the Stetson II project. The Company expects to draw an additional amount of approximately $10.0 million under the bridge loan to pay final commissioning and other construction costs for the Stetson II project, which achieved commercial operation on March 12, 2010. The balance outstanding under this facility is due on June 10, 2010, subject to extension if certain events occur. Twenty percent (20%) or a maximum amount of $3.7 million of the balance of the bridge loan is guaranteed by First Wind. The Company expects to fully repay this loan with anticipated proceeds from an ARRA cash grant for which it expects to file an application in April 2010. Based on the existing United States federal regulations governing the ARRA grant program, grant applicants are required to be reimbursed for eligible amounts within 60 days of submission of a complete grant application. The Company believes that it is entitled to reimbursement for qualified expenditures through the ARRA grant program based on current regulations and that such grant proceeds, which the Company estimates will be sufficient to repay in full the bridge loan, will be received prior to maturity of the

F-9



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 2—LIQUIDITY AND GOING CONCERN (Continued)


bridge loan based on its experience in applying for and receiving four previous ARRA cash grants totaling approximately $235 million in 2009 and 2010.

        The Company's 2008 and 2009 consolidated financial statements have been prepared assuming its ability to continue as a going concern. In the event the Company has not closed the Milford II construction loan by May 31, 2010, management plans for the balance of 2010 include continued development of certain projects, reduced general and administrative spending, curtailment of all development spending for 2011 projects and beyond, and repayment of the balance of Stetson II construction loan. In the event the Milford II construction loan is not closed by May 31, 2010, the Company believes that the expenditure reductions combined with cash on hand, cash flows from operating projects, proceeds from recent and future financing transactions and, if necessary, its ability to convey collateral to satisfy in full its non-recourse turbine supply loan maturing June 30, 2010 will enable the Company to satisfy its 2010 debt maturities and provide sufficient liquidity to meet its working capital and operating requirements through December 31, 2010.

        The Company's ability to continue as a going concern after December 31, 2010, is largely dependent on its ability to raise additional capital to repay subsequently maturing debt and to fund project development and construction of its wind energy projects. To fund its future operations and meet its existing commitments, including servicing debt maturities, the Company is exploring alternatives to extend the maturities of its indebtedness and/or raise additional capital through one or more of the following sources: (i) public or private issuances of parent company equity, debt or convertible securities, (ii) project-level construction financing for projects currently under development, and (iii) permanent project-level financings for existing projects or for new projects as they become operational, including but not limited to tax equity financings, ARRA cash grants or ARRA loan guarantees. However, there can be no assurance that any additional financing will be available or, if such financing is available, that it will be available on terms acceptable to the Company. Moreover, additional funds may be necessary sooner than the Company currently anticipates in the event of changes to development schedules, increases in development costs, or to meet other unanticipated expenses. If the Company is unable to raise additional capital or generate sufficient operating cash flow to repay subsequently maturing debt, it could be in default of its lending agreements and could be required to delay development and construction of its wind energy projects, reduce overhead costs, reduce the scope of its projects or abandon or sell some or all of its development projects, all of which could adversely affect the Company's business, financial position and results of operations.

        The Company's 2007 consolidated financial statements have been prepared assuming its ability to continue as a going concern; however, as of December 31, 2007, the Company had suffered recurring losses from operations and negative operating cash flows, had an accumulated deficit of $116.4 million, and did not have sufficient resources available to meet its funding needs through January 1, 2009. At the time of the preparation of the Company's 2007 consolidated financial statements, those conditions raised substantial doubt about the Company's ability to continue as a going concern. The consolidated financial statements for the year ended December 31, 2007 do not include any adjustments that might result from the outcome of this uncertainty.

F-10



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 3—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Principles of Consolidation and Basis of Presentation

        The consolidated financial statements reflect the operations of First Wind and all of its majority-owned subsidiaries and have been prepared in accordance with U.S. generally accepted accounting principles (U.S. GAAP). Upon consolidation, all intercompany accounts and transactions are eliminated. The consolidated financial statements include First Wind's accounts and operations and those of its subsidiaries in which the Company has a controlling financial interest. The usual condition for a controlling financial interest is ownership of a majority of the voting interests of an entity; however, a controlling financial interest may also exist in entities such as variable interest entities (VIEs), through arrangements that do not involve controlling voting interests.

        The Company consolidates any VIE of which it is the primary beneficiary. A variable interest holder is required to consolidate a VIE as its primary beneficiary if that party will absorb a majority of the expected losses of a VIE, receive a majority of the expected residual returns of the VIE, or both. Conversely, the Company will not consolidate a VIE in which it has a majority ownership interest when the Company is not considered the primary beneficiary. As of December 31, 2009, the Company does not have any variable interests in any VIEs. When the Company does not have a controlling interest in an entity, but exerts a significant influence over the entity, the Company applies the equity method of accounting for its interest.

        The Company uses a hypothetical liquidation at book value (HLBV) method to account for noncontrolling interests in projects where it has entered into tax equity capital transactions. HLBV uses a balance sheet methodology that considers the noncontrolling interest holders' claim on the net assets of the subsidiary assuming a liquidation event. Equity in income or loss under HLBV is determined by calculating the change in the amount of net worth the tax equity investors are legally able to claim based on an assumed liquidation at book value of the entity at the beginning of the reporting period compared with the end of that period. The periodic changes in noncontrolling interest in the consolidated balance sheets, excluding impact of cash distributions, are recognized by the Company as "Net loss attributable to noncontrolling interests" in the consolidated statements of operations.

        The Company accounts for noncontrolling interests in consolidated subsidiaries not related to tax equity capital transactions by applying the noncontrolling interests' proportional ownership interest to the periodic operating results of the consolidated subsidiary.

Reclassifications

        Certain amounts in the consolidated financial statements have been reclassified to conform to the 2009 presentation. These reclassifications did not materially affect previously reported net loss or members' capital.

Segment Data

        The Company manages its operations on a consolidated, single-segment basis for purposes of assessing performance and making operating decisions.

Use of Estimates and Market Risks

        The preparation of financial statements in conformity with U.S. GAAP requires that management make estimates and judgments that affect the reported amounts of assets and liabilities and disclosure

F-11



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 3—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)


of contingencies at the date of the financial statements and the reported amounts of revenue and expenses during the reporting period. Management's estimates and judgments are derived and continually evaluated based on available information, historical experience and various other assumptions that are believed to be reasonable under the circumstances. Because the use of estimates is inherent in the financial reporting process, actual results could differ from those estimates. In recording transactions and balances resulting from business operations, management makes estimates based on the best information available at the time the estimate is made. Estimates are used for such items as property, plant and equipment depreciable lives; amortization periods for identifiable intangible assets; valuation of long-term commodity contracts and asset retirement obligations; assumptions for equity-based payments; and recorded loss contingencies. In addition, estimates are used to test long-lived assets for impairment and to determine the fair value of impaired assets. As better information becomes available or actual amounts are determinable, the recorded estimates are revised. Consequently, operating results can be affected by revision to prior estimates.

        The Company is subject to risks associated with price movements of energy commodities and renewable energy certificates (RECs); reliability of the systems, procedures and other infrastructure necessary to operate the business; changes in laws and regulations; weather conditions; financial market conditions and access to and pricing of capital; the creditworthiness of its counterparties; reliance on tax equity financing arrangements; ability to deliver on obligations under debt instruments; and the successful operation of power markets.

Concentration of Credit Risk

        Financial instruments that potentially subject the Company to concentrations of credit risk are primarily cash and cash equivalents, accounts receivable, turbine supply agreements and derivative instruments. The amounts reflected in the consolidated balance sheets for accounts receivable approximate their fair value due to their short-term maturities. The Company mitigates its risk with respect to cash and cash equivalents and derivative instruments by maintaining its deposits and contracts at high-quality financial institutions and monitoring the credit ratings of those institutions.

        The Company derives the largest portion of its electricity and REC revenues from a small number of customers. The Company has experienced no credit losses to date on its electricity and REC sales, and does not anticipate material credit losses to occur in the future with respect to related accounts receivable; therefore, no allowance for doubtful accounts has been provided.

        Revenues by major customer were as follows (in thousands, except percentages):

 
  Year ended December 31,  
 
  2007   2008   2009  

Maui Electric Company

  $ 14,117     59%   $ 14,301     49%   $ 10,165     22%  

New Brunswick Generation Company

    6,504     28         6,872     24         6,569     14      

Constellation NewEnergy, Inc. 

    1,093     5         3,699     13         2,221     5      

Southern California Public Power Authority

        —             —         2,070     4      
                           

    21,714     92         24,872     86         21,025     45      

Revenues from all other customers

    2,103     8         3,918     14         26,111     55      
                           

  $ 23,817     100%   $ 28,790     100%   $ 47,136     100%  
                           

F-12



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 3—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

Derivative Financial Instruments and Risk Management Activities

        In the normal course of business, the Company employs financial instruments to manage its exposure to fluctuations in interest rates and commodity prices. The Company does not engage in speculative derivative activities or derivative trading activities. The Company enters into long-term cash settled swap agreements to hedge commodity price variability inherent in electricity sales arrangements. In instances where the Company sells electricity at market prices (e.g., where it has no full-output fixed price, long-term power purchase agreement (PPA) in place), the Company seeks to protect itself against significant variability in spot electricity prices by entering into financial hedge transactions to help stabilize estimated revenue streams. These price swap agreements involve periodic notional quantity settlements where the Company swaps market prices for fixed prices, based on a commodity or market price index, over the term of an agreement.

        The Company uses interest rate swap agreements to convert anticipated cash interest payments under its variable rate financing arrangements to a fixed rate basis. These agreements involve the receipt of variable payments in exchange for fixed payments over the term of the agreements without the exchange of the underlying principal amounts.

        The Company records, as either assets or liabilities, all derivative instruments in the consolidated balance sheets at their respective fair values. The estimated fair values of derivative instruments are calculated based on market rates. These values represent the estimated amounts the Company would receive or pay on termination of agreements, taking into consideration current market rates and the current creditworthiness of the counterparty.

        When specific hedge accounting criteria are not met, all changes in a derivative's fair value are recognized currently in earnings. Special accounting for qualifying hedges allows a derivative's gains and losses to offset related results on the hedged item in the consolidated statement of operations and requires that a company must formally document, designate and assess the effectiveness of transactions that receive hedge accounting. The Company has not formally documented or designated its commodity price and interest rate swaps as hedges and therefore does not apply hedge accounting to these instruments. These instruments have been marked to market through earnings.

Cash and Cash Equivalents

        Cash and cash equivalents consist of all cash balances and highly liquid investments with original maturity of three months or less. The cash held by the Company is only available for Company-related uses and distribution of such cash to its members is restricted by terms of its financing agreements.

Restricted Cash

        Restricted cash consists of cash balances held by subsidiaries of First Wind for which the use of funds is restricted by various financing arrangements to meet current obligations and debt service requirements of those specific subsidiaries.

Revenue Recognition

        The Company earns revenue from the sale of electricity and RECs. The Company recognizes revenues from the sale of electricity at market prices or under long-term PPAs based upon the output delivered at rates specified under the contracts. The Company recognizes revenues from the sale of

F-13



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 3—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)


RECs based upon the certificates delivered at rates specified under the contracts. The Company defers recognition of revenue from sales of electricity and RECs in instances when criteria to recognize revenue have not been met.

        The Company evaluates its long-term PPAs to determine whether they are leases. In the case of leases, at the inception of the lease or subsequent modification, the Company determines whether the lease is an operating or capital lease based upon its terms and characteristics. The Company has determined that its long-term power purchase agreements at KWP I (KWP I PPA) and Milford Wind Corridor Phase I, LLC (Milford I PPA) are operating leases. The Company recognizes revenue under the KWP I PPA as contingent rental income. The Company recognizes revenue for guaranteed generation under the Milford I PPA as generated, utilizing a straight-line price based on the prepayment it has received for guaranteed energy. Revenues of both PPAs are included in revenues in the accompanying consolidated statements of operations when it becomes probable of receipt.

        Prior to commercial operations of its wind energy projects, during the turbine commissioning stage, the Company may generate electricity produced in the process of testing its wind turbines. Revenue from testing is deferred and amortized over the estimated life of the wind energy project.

        As described in the Derivative Financial Instruments and Risk Management Activities section of this Note 3, revenues also include risk management activities relating to operating projects, which are comprised of mark to market adjustments and cash settlements on commodity swaps.

Cost of Revenues

        Cost of revenues includes project operating expenses and depreciation and amortization of operating assets. Project operating expenses consist of such costs as contracted operations and maintenance fees, turbine and related equipment warranty fees, land rent, insurance, professional fees, operating personnel salaries and the cost of permit compliance.

Property, Plant and Equipment

        Property, plant and equipment are stated at cost, less accumulated depreciation. Renewals and betterments that increase the useful lives of the assets are capitalized. Repair and maintenance expenditures are expensed as incurred. Wind energy project equipment and related assets are depreciated over their estimated useful lives of 20 years on a straight-line basis. Non-wind energy project-related property, plant and equipment are depreciated over their estimated useful lives, which range from three to seven years, on a straight-line basis.

        Construction in progress expenditures, insurance, interest and other costs related to construction activities are capitalized. As each project begins commercial operations, construction in progress is reclassified to property, plant and equipment and depreciated over the estimated useful lives of the underlying assets.

        Many of the Company's construction and equipment procurement agreements contain damage clauses relating to construction delays and contractually specified performance targets. These clauses are negotiated to cover lost margin or revenues from a wind energy project's not being able to operate when required or to perform as guaranteed. Liquidated damages received related to construction activities, and those payments received related to the failure to meet contractually specified

F-14



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 3—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)


performance targets or completion dates prior to commercial operations, are recorded as a reduction of construction in progress.

        The proceeds from ARRA grants for wind energy projects have been recorded as a reduction of the cost of the wind energy projects' property, plant and equipment. These proceeds will be recognized in the statement of operations as a reduction in depreciation expense over the lives of the wind energy projects.

Project Development Costs

        The Company expenses all project development costs, primarily consisting of initial permitting, land rights, preliminary engineering work, analysis of project wind resources, analysis of project economics and legal work, until management deems a project probable of being technically, commercially and financially viable. Once this determination has been made, the Company classifies the project as a Tier 1 project, at which point it begins capitalizing project development costs.

        Should the Company decide to abandon or discontinue development of a Tier 1 project, previously capitalized costs are charged to expense in the period that such determination is made. At December 31, 2008, the Company determined that it was more likely than not that it would discontinue development of its Prattsburgh I project, which is located in New York. Upon reaching this determination, previously capitalized development costs of $3.5 million were expensed in December 2008 and included in project development expense in the statement of operations. In December 2009, the Company discontinued the development of the Prattsburgh I project. In the third quarter of 2009, the Company revised the timeline for development of its Oakfield I project. This resulted in the Company's expensing $3.1 million of previously capitalized development costs and recategorizing the project from Tier 1 to Tier 2.

Interest Capitalization

        The Company capitalizes interest on borrowed funds used to finance capital projects. Capitalization is discontinued when a project achieves commercial operation or when construction is terminated. Interest capitalized for the years ended December 31, 2007, 2008 and 2009 is classified as follows in the accompanying consolidated balance sheets (in thousands):

 
  Year ended December 31,  
 
  2007   2008   2009  

Property, plant and equipment

  $ 1,597   $   $  

Construction in progress

    14,007     9,565     44,513  

Turbine deposits

    2,093     31,649     24,166  
               

  $ 17,697   $ 41,214   $ 68,679  
               

        The Company incurred total interest expense of $27.5 million, $46.1 million and $68.7 million for the years ended December 31, 2007, 2008 and 2009, respectively.

F-15



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 3—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

Impairment of Long-Lived Assets

        Long-lived assets primarily include property, plant and equipment. The Company periodically reviews long-lived assets for impairment whenever events or changes in business circumstances indicate that the carrying amount of the assets may not be fully recoverable. Each impairment test is based on a comparison of the undiscounted cash flows to the recorded value of the asset. If there is an indication of impairment, the recorded value of the asset is reduced to its estimated fair value based on a discounted cash flow analysis. Determining the fair value of long-lived assets includes significant judgment by management, and different judgments could yield different results. No impairment of long-lived assets was indicated for the years ended December 31, 2007, 2008, and 2009.

Asset Retirement Obligations

        The Company records the fair value of an asset retirement obligation as a liability in the period in which a legal obligation associated with the retirement of tangible long-lived assets is incurred. Fair value is calculated utilizing a market approach based on the amount required to enter into an identical liability. The calculation takes into consideration the credit risk of the Company.

        The Company has recorded the offsetting asset to the initial obligation as an increase to the carrying amount of the related long-lived asset and depreciation of that cost over the life of the asset. The liability is accreted at the end of each period to reflect the passage of time.

        The Company enters into agreements to lease land on which to construct and operate its wind energy projects. Pursuant to certain lease agreements, as well as applicable permits, the Company is required to decommission its wind energy project equipment and provide for reclamation of the leased property upon the expiration, termination or cancellation of the lease agreements or cessation of commercial operation of the wind energy project.

        Determination of asset retirement obligations requires a significant number of assumptions and estimates that affect the valuation of the obligation. These estimates can change as the result of various factors including new developments or better information. Accordingly, the Company periodically reevaluates these estimates. A significant change therein could materially change the value of the obligation.

Deferred Financing Costs

        Deferred financing costs represent external costs incurred to obtain financing and are amortized using the effective interest method over the terms of the related debt agreements. Prior to a wind energy project's reaching substantial completion, non-cash interest from amortization of deferred financing costs related to construction activities is capitalized. In 2009, the Company reclassified all deferred financing fees relating to specific turbine supply loans to turbine deposits. These fees will be incorporated into the costs of the projects and will be amortized as a portion of property, plant and equipment when the project begins operations.

        Included in interest expense for the years ended December 31, 2007 and 2008 are $2.1 million and $1.3 million, respectively, of deferred financing costs that were written off as a result of the repayment of construction financing related to KWP I, and upon the amendment and restatement of the First Wind Holdings Loan, Wind Acquisition Loan and Wind Acquisition IV Loan (all as defined in Note 6). In conjunction with the amendment and restatement of the First Wind Holdings Loan, Wind

F-16



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 3—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)


Acquisition Loan and Wind Acquisition IV Loan, the Company incurred $10.5 million of transaction costs, which were capitalized as part of deferred financing costs.

Other Non-Current Assets

        Other non-current assets primarily include deposits, prepaid expenses and acquired intangible assets, consisting primarily of a premium paid to acquire control of the assets of the Company's Mars Hill project, land studies, maps and surveys, wind studies and data, interconnection studies and permits. Finite-lived acquired intangible assets are amortized using the straight-line method over their expected period of benefit, which generally is over 20 years. At December 31, 2008 and 2009, the Company had intangible assets of $14.4 million, with accumulated amortization of $1.4 million and $2.2 million, respectively. The Company recorded amortization expense of $1.3 million and $0.8 million for the years ended December 31, 2008 and 2009, respectively. As of December 31, 2009, amortization of finite-lived intangible assets is expected to range from $0.7 million to $0.8 million per year for each of the next five years, with an aggregate amount of $8.6 million remaining to be expensed thereafter.

Income Taxes

        The Company has been organized as a limited liability company and, with the exception of certain subsidiaries that have elected to be taxed as corporations, is treated as a partnership for federal and state income tax purposes. No provision for federal income taxes has been made for the limited liability companies not electing to be taxed as corporations, as federal income taxes are assessed at the member level. In certain state jurisdictions and for subsidiaries that have elected to be taxed as corporations, income taxes are assessed directly to the Company. In these circumstances, income tax is accounted for under the asset and liability method. The Company recorded no provision for or benefit from income taxes for the years ended December 31, 2007 and 2008. In 2009, the Company recorded a provision for income taxes related to allocation of losses to noncontrolling interests in one of its subsidiaries that has elected to be taxed as a corporation.

Unit-Based Compensation

        The Company recognizes as compensation expense grants of certain equity instruments. Compensation expense is determined by estimating the fair value of the equity instrument as of the grant date and recognizing it over the period earned, which primarily reflects the vesting period. The fair value of the Company's share-based compensation grants is estimated using a probability-weighted expected return model.

Commitments and Contingencies

        Liabilities for loss contingencies arising from claims, assessments, litigation, fines and penalties and other sources are recorded when it is probable that a liability has been incurred and the amount of the assessment can be reasonably estimated. Legal costs incurred in connection with loss contingencies are expensed as incurred.

Leases

        In the ordinary course of business, the Company has entered into non-cancelable operating leases, such as land leases to site its wind energy projects, office facilities and related equipment leases and

F-17



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 3—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)


construction equipment leases. These leases expire at various dates through 2049, but may include options that permit renewals for additional periods. Rent abatements and escalations are recognized on a straight-line basis over the lease term, including any option period included in the determination of the lease term.

Fair Value of Financial Instruments

        The carrying amount of cash and cash equivalents, restricted cash, accounts receivable, accounts payable and accrued expenses approximates their fair value because of the short-term maturity of these instruments. The carrying amounts of debt are comparable to market as the instruments generally bear interest at variable rates. The Wind Acquisition Loans (all as defined in Note 6) mature during 2010 and 2011 and the remainder of the variable-rate loans, with the exception of the Maine Wind Loan, were executed during 2009. The loan with affiliates of Alberta Investment Management Corporation (AIMCO) was executed in July 2009. The carrying value of the loan approximates the fair market value of the loan as the loan has a fixed interest rate (as described in Note 6), and interest rates have not fluctuated significantly since the loan was made. The estimated fair values of derivative instruments are calculated based on market rates. These values represent the estimated amounts the Company would receive or pay to terminate agreements, taking into consideration current market rates and the current creditworthiness of the Company and the counterparty.

Net Loss Per Unit

        The Company computes net loss per unit utilizing a two-class method to incorporate participating securities. Participating securities are those securities that may participate in the dividends and earnings of a company according to a defined formula. The Company has identified the Series A, Series A-1, Series A-2 and Series B Units as participating securities under the two-class method. Earnings or losses are allocated to all participating securities as if they were distributed in accordance with the terms of the Company's Limited Liability Company Agreement. For all periods presented, all of the losses would have been allocated to the Series A Units, which would have sufficient capital to absorb all losses and therefore, would be the only participating security included in the calculation of earnings per common unit.

        The basic net loss attributable per common unit for the years ended December 31, 2007, 2008 and 2009 does not reflect the impact of the offering described in Note 1. As a result of the reorganization events that have taken place or that will take place immediately prior to completion of the offering, the shares used in computing net earnings or loss per share will bear no relationship to these historical common units.

Significant New Accounting Policies

        Effective January 1, 2009, the Company adopted Financial Accounting Standards Board Accounting Standards Codification No. 810, Consolidation. This standard requires most identifiable assets, liabilities, noncontrolling interests, and goodwill acquired in a business combination to be recorded at "full fair value" and requires noncontrolling interests (previously referred to as minority interests) to be reported as a component of equity, which changes the accounting for transactions with holders of noncontrolling interests. The adoption of this standard required the reclassification of amounts previously classified within the Company's consolidated balance sheets as minority interest to a

F-18



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 3—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)


separate component of members' capital. In addition, net income attributable to the noncontrolling interests is reflected separately within the consolidated statements of operations. Prior period financial statements have been reclassified to conform to the current year's presentation. Other than the changes in presentation, the adoption of these standards had no material impact on the Company's financial position, results of operations or cash flows.

        In January 2009, the Company adopted additional disclosure requirements under ASC 815-10-65. This statement is intended to improve financial reporting about derivative instruments and hedging activities by requiring enhanced disclosures to enable investors to better understand their effects on an entity's financial position, financial performance, and cash flows. The adoption of this standard had no material impact on the Company's financial position, results of operations or cash flows.

        Effective April 1, 2009, the Company adopted additional guidance surrounding subsequent events under ASC 855-10. The updated guidance modifies the names of the two types of subsequent events either as recognized subsequent events (previously referred to as Type I subsequent events) or non-recognized subsequent events (previously referred to as Type II subsequent events). The standard additionally modifies the definition of subsequent events to refer to events or transactions that occur after the balance sheet date, but before the financial statements are issued (for public entities) or available to be issued (for nonpublic entities). It also requires the disclosure of the date through which subsequent events have been evaluated. The adoption of this standard had no material impact on the Company's financial position, results of operations or cash flows.

        On June 29, 2009, the Financial Accounting Standards Board (FASB) issued Statement No. 168, The FASB Accounting Standards Codification and Hierarchy of Generally Accepted Accounting Principles (Codification). The Company adopted this guidance in July 2009 and has modified all references to U.S. GAAP literature to conform to the requirements of the Codification.

NOTE 4—NONCONTROLLING INTERESTS AND TAX EQUITY TRANSACTIONS

        The Company has sold equity interests in certain operating projects under tax equity financing arrangements. These financing arrangements entitle the tax equity investors to substantially all of the production tax credits and taxable income or loss generated by the project, including the tax benefits of accelerated 5-year depreciation available under the tax code (together referred to as the project's "tax attributes"), and a portion of the operating cash flows, until the tax equity investors achieve their targeted investment returns and return of capital. Upon a tax equity investor's achieving its targeted investment return, the Company has the option to acquire its equity interest at the higher of the investor's capital account or the then-current market value of their interest. The Company retains controlling interests in the subsidiaries that own the projects, and therefore continues to consolidate such subsidiaries. The terms of the tax equity financing arrangements also include restrictions on the transfer of assets from the relevant subsidiary without the consent of the tax equity investors.

        For the years ended December 31, 2008 and 2009, the Company made distributions to its tax equity investors and a noncontrolling member of the subsidiary that owns KWP I of $8.8 million and $5.8 million, respectively.

        On January 31, 2008, the Company executed an agreement for $208.0 million of tax equity financing related to a portfolio of its New York projects (Steel Winds I, Cohocton I and Prattsburgh I). In August 2008, $19.7 million was funded with respect to the Company's Steel Winds I project. Funding

F-19



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 4—NONCONTROLLING INTERESTS AND TAX EQUITY TRANSACTIONS (Continued)


under this agreement was scheduled to occur in tranches upon commencement of commercial operations of each applicable project and the satisfaction of certain other conditions precedent. The Company's counterparty in this tax equity financing was an indirect subsidiary of Lehman Brothers Holdings, Inc. (Lehman). Lehman filed for bankruptcy on September 15, 2008. In September 2009, First Wind Holdings repurchased Lehman's tax equity interest for $4.5 million. The effect of the repurchase on the Company's equity in the wind energy project was as follows (in thousands):

Equity in Subsidiary prior to repurchase

  $ 17,777  
 

Purchase price of Class B Units

    (4,500 )
 

Noncontrolling interest carrying value

    18,044  
       

Equity in subsidiary subsequent to repurchase

  $ 31,321  
       

        On September 28, 2009, the Company entered into a $102.1 million tax equity financing agreement, accounted for as a noncontrolling interest, with Stanton Equity Trading Delaware LLC for the sale of equity interests in its Milford I project. The financing agreement also provided for a $120.0 million advance, accounted for as a redeemable interest, for the proceeds the Company expected to receive from an ARRA grant related to the project. This ARRA grant was received on March 23, 2010 and was used to repay this advance.

NOTE 5—PROPERTY, PLANT AND EQUIPMENT, NET

        Property, plant and equipment are comprised of the following as of December 31, 2008 and 2009 (in thousands):

 
  December 31,  
 
  2008   2009  

Land

  $ 8,850   $ 9,549  

Land and leasehold improvements

    10,204     24,591  

Furniture, fixtures, vehicles and other

    13,174     11,236  

Asset retirement obligations

    4,872     7,828  

Wind power generation equipment

    173,984     957,237  
           

    211,084     1,010,441  

Accumulated depreciation

    (23,768 )   (59,831 )
           

  $ 187,316   $ 950,610  
           

        Depreciation expense for all property, plant and equipment for the years ended December 31, 2007, 2008 and 2009 was $9.8 million, $11.6 million and $36.1 million, respectively.

F-20



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 5—PROPERTY, PLANT AND EQUIPMENT, NET (Continued)

        The property, plant and equipment subject to the KWP I lease and the Milford I lease as of December 31, 2009 were comprised of the following:

 
  KWP I   Milford I  

Land and leasehold improvements

  $ 6,937      

Furniture, fixtures, vehicles and other

    366      

Asset retirement obligations

    758     2,306  

Wind power generation equipment

    51,845     478,499  
           

    59,906     480,850  

Accumulated depreciation

    (10,705 )   (4,283 )
           

  $ 49,201   $ 476,522  
           

        Since the revenues of KWP I are based on the variable output of the project, there are no minimum future rental payments; therefore, the revenues of KWP I are classified as contingent rental payments. Contingent rental payments for KWP I included in income were $14.3 million and $10.6 million for the years ended December 31, 2008 and 2009, respectively. The Company recognized $2.1 million of revenue for Milford I for the year ended December 31, 2009, which was based on generated energy at a straight-line price. The Milford I project's separate assets and liabilities are not available to pay the debts of the consolidated entity and they do not constitute obligations of the consolidated entity.

        The ARRA was signed into law on February 17, 2009. Section 1603 of the ARRA provides for the U.S. Treasury Secretary to provide cash grants to eligible renewable energy projects in lieu of the production tax credit or the investment tax credit. The Company received proceeds from this grant program in the aggregate amount of $115.1 million in September 2009 for its Cohocton I and Stetson I projects. Proceeds are applied against property, plant and equipment on the balance sheet and are shown as financing activity on the statement of cash flows. In March 2010, the Company received a grant for its Milford I project in the amount of $120.1 million.

NOTE 6—DEBT

        The Company enters into loan agreements with financial institutions to finance the construction of wind energy projects and the acquisition of turbines and related equipment. The Company's consolidated debt includes recourse and non-recourse borrowings entered into by First Wind and its subsidiaries. On December 12, 2008, the Company completed the first stage of a significant refinancing (HSH Refinancing), described further below, with respect to various indebtedness held by its primary lender, HSH Nordbank AG, New York Branch (HSH). During 2009, the Company and HSH further amended some of the terms of the HSH Refinancing (the 2009 Amendments).

F-21



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 6—DEBT (Continued)

        The Company had the following loans outstanding as of December 31, 2008 and 2009 (in thousands except percentages):

 
  Interest rate at
December 31,
   
  Balance at
December 31,
 
 
  Final
Maturity
 
 
  2008   2009   2008   2009  

Turbine Supply Loan

                               
 

Wind Acquisition Loan

    4.73%-7.67%     4.99%     2010-2011 (2) $ 288,844   $ 197,868  
 

Wind Acquisition III Loan

    4.88%     N/A     N/A     95,500     N/A  
 

Wind Acquisition IV Loan

    4.70%-5.29%     4.99%     2011     95,091     43,064  

Construction Loans

                               
 

Milford I(1)

    N/A     3.49%     2010     N/A     146,002  
 

Stetson II

    N/A     3.68%     2010     N/A     2,197  

Term Loans

                               
 

North Shore Note

    7.67%     4.99%     2010 (3)   7,200     7,200  
 

Maine Wind Loan

    4.24%     3.05%     2022     17,889     14,197  
 

New York Wind Loan

    N/A     4.26%     2012     N/A     50,000  
 

CSSW Loan

    N/A     14.00%     2018     N/A     122,021  
 

Stetson Holdings Loan

    N/A     3.68%     2016     N/A     68,000  

Other

                               
 

Revolving credit facility

    5.29%     N/A           25,757     N/A  
 

Construction equipment loan

    8.00%     7.65%     2013     5,738     4,944  
 

Vehicle loans

    0.00%-11.30%     0.00%-11.30%     2009-2013     556     840  
                             

Gross Indebtedness

    536,575     656,333  

Unamortized Discount

    (4,134)     (24,287)  
                             

Carrying Value

    532,441     632,046  

Debt with maturities less than one year

    4,548     109,238  
                             

Total long-term debt

    $527,893     $522,808  
                             

(1)
The Company repaid the Milford I Construction Loan in February 2010.

(2)
In March 2010, the Company extended the maturities of $53.1 million of the Wind Acquisition Loan to 2011 and refinanced approximately $61 million of the remaining balance on a long-term basis through the First Wind Term Loan.

(3)
The Company repaid the North Shore Note in March 2010.

HSH Refinancing

        On December 12, 2008, the Company entered into a refinancing arrangement with HSH that incorporated the amendment and restatement of the Wind Acquisition, Wind Acquisition IV Loan and the First Wind Holdings Loan. As part of the HSH refinancing agreements, the Company's sponsors made capital contributions of $275.2 million and paid $170.2 million directly to HSH in respect of principal and interest of $30.2 million and $140.0 million due under the Wind Acquisition Loan and the First Wind Holdings Loan. The Company also agreed to certain reporting requirements, mandatory prepayment provisions and limitations on permitted indebtedness and member distributions

F-22



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 6—DEBT (Continued)


under this refinancing. Under the HSH Refinancing, the three facilities had cross-default and cross-collateralization provisions that were subject to modification or elimination upon the occurrence of certain events described therein. As a result of the 2009 Amendments, the First Wind Holdings Loan was no longer cross-collateralized with the Wind Acquisition Loan or the Wind Acquisition IV Loan. In March 2010, the Company met the conditions required to eliminate the cross-collateralization and cross-default requirements between the Wind Acquisition Loan and the Wind Acquisition IV Loan.

        First Wind Acquisition, LLC.    On June 30, 2006, the Company, through First Wind Acquisition, LLC, a wholly-owned subsidiary, entered into a secured term loan facility (the Wind Acquisition Loan) with HSH that allowed the Company to borrow funds for the procurement of wind turbine generators. The Wind Acquisition Loan was amended in 2007 to allow, among other things, First Wind Acquisition, LLC to advance to Kahuku Wind Power LLC, a majority-owned subsidiary of the Company, up to $7.2 million under a promissory note (the North Shore Note). No amounts were available for borrowing under the Wind Acquisition Loan as of December 31, 2009. In March 2010, approximately $62.3 million of the Wind Acquisition Loan was repaid with $61.0 million of this amount being paid with proceeds from the First Wind Term Loan (as defined). Approximately $82.4 million of the Wind Acquisition Loan matures prior to July 1, 2010, with the remainder maturing in 2011. The North Shore Note was repaid in March 2010.

        Interest on the Wind Acquisition Loan as of December 31, 2009, until final maturity, is LIBOR plus 4.75%. The Wind Acquisition Loan has a commitment fee of 50.0% of the applicable margin per annum (a rate of 2.375% at December 31, 2009) of the average daily unutilized portion of the commitment.

        The Wind Acquisition Loan is secured by the assets, comprised of turbine deposits and turbine contracts, of First Wind Acquisition, LLC and the development assets, contracts and membership interests of the Company's KWP II, Rollins and Oakfield projects. It is also secured by a pledge of the Company's equity interest in First Wind Acquisition, LLC. In conjunction with the March 2010 repayment described above, the Wind Acquisition Loan is no longer guaranteed by First Wind and is no longer cross-collateralized with or cross-defaults to the Wind Acquisition IV Loan. Additionally, principal amortization amounts are subject to adjustment upon the occurrence of certain events, including completion of an initial public offering.

        First Wind Acquisition III, LLC.    On December 21, 2006, the Company, through First Wind Acquisition III, LLC, a wholly-owned subsidiary, entered into a secured promissory note (the Wind Acquisition III Loan) with HSH, which allowed the Company to borrow up to $95.5 million for the procurement of Clipper wind turbine generators and related equipment for the Company's Cohocton I project (Cohocton I). Interest was payable at LIBOR plus a margin of 2.25%. A commitment fee was payable at an amount equal to 0.50% per annum (a rate of 1.375% at December 31, 2008) on the unutilized portion of the commitment. The Wind Acquisition III Loan was limited recourse to the Company and was secured by the assets of Cohocton I. The Wind Acquisition III Loan had an original maturity of September 30, 2007.

F-23



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 6—DEBT (Continued)

        On May 10, 2007, the Company amended and restated the Wind Acquisition III Loan in connection with the syndication by HSH of this loan. In a series of amendments beginning on September 28, 2007, the Company extended the maturity date of the Wind Acquisition III Loan to March 31, 2009. On March 30, 2009, the Wind Acquisition III Loan was repaid with borrowings under the New York Wind Loan (as defined below).

        First Wind Acquisition IV, LLC.    On April 3, 2008, the Company, through First Wind Acquisition IV, LLC, a wholly-owned subsidiary, entered into a secured term loan facility (the Wind Acquisition IV Loan) with HSH for the procurement of Clipper wind turbine generators and related equipment. No amounts were available for borrowing under this facility as of December 31, 2009, and it matures on June 30, 2011.

        Interest on the Wind Acquisition IV Loan accrues at LIBOR plus 4.75%. The Wind Acquisition IV Loan has a commitment fee of .50% per annum of the average daily unutilized portion of the commitment.

        The Wind Acquisition IV Loan is secured by the assets, comprised of turbine deposits and turbine contracts, of First Wind Acquisition IV, LLC and the assets, comprised of development assets and construction contracts, and membership interests of the Company's Sheffield and Steel Winds II projects. It is also secured by a pledge of First Wind's equity interest in First Wind Acquisition IV, LLC and certain other subsidiaries and by a pledge of First Wind O&M, LLC's interest in the O&M Agreements with certain subsidiaries of First Wind. The Company also guarantees the Wind Acquisition IV Loan and has pledged many of its assets as security for such guarantee, including all of its accounts, investment property, certain contracts and its equity interests in certain of its subsidiaries as security for such guarantee (including First Wind Acquisition, LLC, First Wind Acquisition IV, LLC, First Wind Vermont Holdings, LLC, Hawaii Holdings, LLC, Hawaii Wind Partners, LLC, First Wind Maine Holdings, LLC and Mars Hill Partners, LLC). It also is secured by a second lien on the membership interests of CSSW, LLC, New York Wind III, LLC, CSSW Cohocton Holdings, LLC and CSSW Stetson Holdings, LLC, which second lien is subordinate to repayment of the CSSW loan discussed further below.

        First Wind Holdings, LLC.    On October 17, 2007, the Company entered into a loan agreement (the First Wind Holdings Loan) with HSH to finance the development, construction, ownership and operation of three projects in the State of New York: Steel Winds I, Cohocton I and Prattsburgh I. At December 31, 2008, the First Wind Holdings loan had an outstanding balance of $26.0 million on its revolving commitment. This amount was repaid in January 2009, and cannot be redrawn. As of December 31, 2009, the First Wind Holdings Loan is solely a letter of credit facility for $15 million.

        As of December 31, 2009, the letters of credit issued under the letter of credit facility are subject to a fronting fee and a letter of credit fee equal to 0.25% and 0.50% per annum, respectively on the average daily amount of the undrawn balance of all outstanding letters of credit plus the amount of all outstanding letter of credit disbursements. The letter of credit facility is secured only with cash collateral.

        Maine Wind Partners, LLC.    On December 14, 2006, the Company, through Maine Wind Partners, LLC, an indirect wholly-owned subsidiary of the Company and the controlling member of the Mars Hill project, entered into a financing agreement with HSH to borrow up to $70.0 million to finance the construction of the Mars Hill project. Proceeds of $42.3 million from the financing

F-24



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 6—DEBT (Continued)


agreement were used to repay a turbine supply loan that financed the acquisition of turbines for the Mars Hill project.

        On March 27, 2007, the Company sold membership interests in the subsidiary that owns the Mars Hill project for proceeds from a tax equity financing. The outstanding balance under the financing agreement as of March 27, 2007 was approximately $65.0 million, and the Company used the proceeds from the sale of the membership interests to partially repay this balance. The Mars Hill project construction loan converted into a $24.8 million term loan facility (Maine Wind Loan). Interest is payable at LIBOR plus a margin ranging from 1.50% to 3.50%, as defined in the financing agreement.

        The Maine Wind Loan includes letters of credit related to the Mars Hill project that were transferred from the First Wind Holdings Loan in October 2009. The $1.4 million letter of credit facility is guaranteed by First Wind. The Maine Wind Loan matures on March 31, 2022. The Maine Wind Loan is to be repaid from cash flows from the Mars Hill project in quarterly principal and interest payments that commenced on September 30, 2007. Maine Wind Partners, LLC has made all required principal and interest payments under the Maine Wind Loan as of December 31, 2008 and 2009. Distributions of cash flows to First Wind are subject to Maine Wind Partners, LLC's maintaining a debt service reserve.

        Kaheawa Wind Power I, LLC and Hawaii Wind Partners II, LLC.    In 2005, the Company, through partially-owned subsidiaries, entered into two loan agreements, a senior construction loan agreement (the Senior Loan) and a sponsor construction loan agreement (the Sponsor Loan), with a syndicate of financial institutions arranged by HSH to finance the construction of Kaheawa Wind Power I (KWP I). The Senior Loan allowed the Company to borrow up to $58.5 million, including a $1.5 million letter of credit facility, based on satisfying, in January 2006, certain environmental conditions under a 20-year Habitat Conservation Plan (HCP). The Sponsor Loan allowed the Company to borrow up to $4.5 million at LIBOR plus a margin of 7.50% and at LIBOR plus a margin of 4.00% for any amount in excess of $4.5 million. On July 31, 2006, the Company amended the Sponsor Loan to borrow an additional $1.1 million to finance construction overruns.

        The Company completed construction of KWP I in June 2006, and in August 2006 converted the Senior Loan and Sponsor Loan from construction loans to term loans. The Company executed a tax equity financing transaction on August 16, 2007 and used proceeds in the amount of $67.7 million from this tax equity financing transaction to repay the Senior Loan and Sponsor Loan.

        The Senior loan provides for a $3.0 million letter of credit facility to support its obligations under the land lease and the HCP and to provide support for a commodity swap agreement as of December 31, 2009. This term loan allows KWP I to draw up to $15.0 million to finance any payment due on the termination of this commodity swap. The term loan has a term of five years from the termination of the commodity swap and bears interest at LIBOR plus a margin of 6.00%. As of December 31, 2008 and 2009, the commodity swap was still effective and no amount on this term loan had been drawn.

        New York Wind Loan.    On March 30, 2009, the Company, through New York Wind, LLC, an indirect subsidiary of First Wind, entered into a secured promissory note (New York Wind Loan) with Norddeutsche Landesbank Girozentrale, New York Branch, and HSH, which allowed the Company to borrow $95.5 million under a term loan facility for repayment of the Wind Acquisition III Loan, and up to $10.0 million under a letter of credit facility. Interest is generally payable at LIBOR plus a

F-25



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 6—DEBT (Continued)


margin of 4%. The New York Wind Loan's term loan facility is non-recourse to First Wind. The New York Wind Loan is secured by a pledge of First Wind's interest in New York Wind, LLC and its subsidiaries, as well as by the assets of New York Wind, LLC and its subsidiaries, including Cohocton I. In November 2009, the Company's Cohocton project repaid $45.5 million of amounts outstanding under the credit facility from proceeds received under the ARRA grant. In December 2009, the maturity date for $50.0 million of the remaining balance due under the New York Wind Loan was extended from March 29, 2010 to June 30, 2012.

        Milford Construction Loan.    On April 22, 2009, the Company, through Milford Wind Corridor Phase I, LLC, an indirect subsidiary of First Wind, entered into a secured credit agreement (Milford I Construction Loan) with a syndicate of banks led by Royal Bank of Scotland Plc. The Milford Construction Loan allows the Company to borrow up to $376.4 million under a construction loan facility for construction of Milford I. Interest is generally payable quarterly in arrears at one-month LIBOR plus a margin of 3.25%. The Milford Construction Loan is non-recourse to First Wind, and is secured by a pledge of First Wind's interest in Milford Wind Corridor Phase I, LLC, as well as by the assets of Milford Wind Corridor Phase I, LLC. Subsequent to December 31, 2009, the Milford I Construction Loan matured and was repaid with a prepayment from SCPPA under the PPA.

        CSSW.    During July and September 2009, the Company completed a transaction with affiliates of Alberta Investment Management Corporation (AIMCO) (CSSW Loan) in which it raised $115.0 million through issuance of: (i) indebtedness in CSSW, LLC, a newly-formed subsidiary that owns its Cohocton I, Stetson I and Steel Winds I operating projects and (ii) Series A-2 units in First Wind Holdings, LLC. This transaction closed in two phases, with $100.0 million of proceeds received at the phase I closing on July 17, 2009 and the additional $15.0 million of proceeds received at the phase II closing on September 16, 2009. The Company ascribed value to the loan and the Series A-2 Units based on their relative fair values at the time of the transaction. As such, approximately $24.3 million was allocated to the Series A-2 Units and approximately $90.7 million was allocated to the loan. The loan will be accreted back to par value over its life using the effective interest method. The CSSW loan was amended and restated on December 22, 2009, pursuant to which the Stetson II project was added to the collateral portfolio and upon commercial operation of the Stetson II project, CSSW will receive an additional term loan in the amount of $15.0 million. Interest is generally payable semi-annually at a fixed rate of 12%. The Company has the option to increase the outstanding principal amount of the loan by the amount of interest accrued (PIK Interest). PIK Interest bears interest at a fixed rate of 14%. As of December 31, 2009, the Company has elected the option for PIK Interest. The CSSW loan matures on January 17, 2018.

        The CSSW loan is secured by a pledge of the membership interests of CSSW, LLC, New York Wind III, LLC (the indirect owner of the Steel Winds I project), CSSW Cohocton Holdings, LLC (the indirect owner of the Cohocton project) and CSSW Stetson Holdings (the indirect owner of the Stetson I project and Stetson II project). Repayment is guaranteed by CSSW Holdings, LLC.

        Niagara Wind Power, LLC.    On October 2, 2009, the Company's Steel Winds I project entered into a $3.5 million letter of credit facility with HSH. The letters of credit issued under this facility are guaranteed by First Wind and secured by the assets of Niagara Wind Power, LLC.

        Evergreen Wind Power V, LLC.    On July 17, 2009, the Company's Stetson I project entered into a credit facility in the amount of $71.5 million with an additional $5.0 million available for letters of

F-26



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 6—DEBT (Continued)


credit (the Evergreen Wind Power V Loan). Interest is generally payable quarterly in arrears at the three-month LIBOR plus 3.50%. The Company repaid in the fourth quarter of 2009 $17.5 million of amounts outstanding under the credit facility (the Prepayment). In conjunction with the Prepayment, the maturity date of the Evergreen Wind Power V Loan was extended to June 30, 2014. On December 22, 2009, the Evergreen Wind Power V Loan was repaid with a portion of the proceeds of the Stetson Holdings Loan discussed below.

        Stetson Holdings, LLC.    On December 22, 2009, Stetson Holdings, LLC, the indirect owner of the Stetson I and Stetson II projects, entered into a construction and term loan facility (Stetson Holdings Loan) for $116.3 million with BNP Paribas and HSH. This loan provided a $71.0 million construction-term loan for both the Stetson I and Stetson II projects as well as an additional $18.6 million construction loan for the Stetson II project. In addition, a letter of credit facility of $26.7 million is provided. The letter of credit is subject to a commitment fee equal to 1.0% biannually of the daily average unutilized commitment. Interest is payable semi-annually at LIBOR plus 3.25% for the first three years and then increasing to LIBOR plus 3.50%. The Stetson Holdings Loan is secured by a pledge of First Wind's interests in Stetson Holdings, LLC and its subsidiaries and all the assets of both the Stetson I and Stetson II projects. Certain payment obligations relating to disallowances of government grants, if any, are guaranteed by First Wind.

        First Wind Term Loan.    On March 23, 2010, First Wind entered into a term loan facility (First Wind Term Loan) for $77.3 million ($75 million proceeds plus 3% original issue discount) with an affiliate of Credit Suisse as administrative agent. Interest accrues monthly at a 17% annual rate (minimum of 7% cash or higher at the Company's election, with the remainder in PIK) (but compounds semi-annually) and is payable semi-annually in arrears. The First Wind Term Loan is currently secured by a pledge of the Company's interest in its CSSW Holdings, LLC subsidiary. Upon the occurrence of certain events, the First Wind Term Loan will be secured by pledge of First Wind's indirect interests its material subsidiaries. The First Wind Term Loan is subordinated in all respects to the First Wind LC Facility (as defined below) and First Wind's guarantee of the Wind Acquisition IV Loan. Until the repayment of the Wind Acquisition IV Loan, the subordination terms cap cash interest payments at 13% per year and limit First Wind's ability to make principal payments on the First Wind Term Loan. The First Wind Term Loan is subject to mandatory prepayment under certain conditions and contains covenants, including covenants with respect to reporting requirements and limitations on permitted indebtedness, permitted liens and member distributions, as well as a Minimum Project EBITDA to cash interest ratio. The First Wind Term Loan matures on March 22, 2013.

        First Wind LC Facility.    On March 23, 2010, simultaneously with execution of the First Wind Term Loan, a subsidiary of First Wind entered into a $50 million letter of credit facility (First Wind LC Facility) with The Royal Bank of Scotland Plc as administrative agent and fronting bank; RBS Securities Inc. as arranger and bookrunner and affiliates of Credit Suisse, Morgan Stanley, Goldman Sachs and Deutsche Bank as joint bookrunners. The First Wind LC Facility is guaranteed by First Wind and a subsidiary of First Wind that indirectly owns Milford I, Milford II and future expansions of such projects. The First Wind LC Facility is subject to a letter of credit fee of 4.50% on letters of credit drawn and a 1.125% per annum commitment fee on the undrawn balance of the facility. Upon the occurrence of certain events, the First Wind LC Facility will be secured by a pledge of First Wind's interests in its material subsidiaries. The First Wind LC Facility is senior in all respects to the First Wind Term Loan but First Wind's guaranty of the First Wind LC Facility is subordinated to the Wind

F-27



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 6—DEBT (Continued)


Acquisition IV Loan that is also guaranteed by First Wind. Until the repayment of the Wind Acquisition IV Loan, the subordination terms limit to $15 million principal the payments that can be made by First Wind under the guaranty of the First Wind LC Facility. The First Wind LC Facility contains covenants, including covenants with respect to reporting requirements and limitations on permitted indebtedness, permitted liens and member distributions, as well as a Minimum Project EBITDA to cash interest ratio. The First Wind LC Facility matures on March 23, 2012 but can be extended to March 23, 2013 upon the occurrence of certain events.

Aggregate Debt Repayments

        The Company's estimated aggregate debt repayments for the next five years are as follows (in thousands):

 
  December 31,
2009
 

2010

  $ 109,238  

2011

    111,757  

2012

    50,920  

2013

    68,979  

2014

    7,217  

Thereafter

    162,220  
       

    510,331  

Milford I Construction Loan

    146,002  
       

  $ 656,333  
       

        The classification of maturities in the Company's aggregate debt repayment schedule is presented in accordance with ASC 210-10. Under ASC 210-10, obligations which would have been classified as short-term as of the balance sheet date may be presented as long-term if the debt is to be repaid with funds which would not otherwise be classified as current. In February 2010, the Company repaid the remaining outstanding balance on the Milford I Construction Loan with proceeds of a prepayment of project revenues under the related PPA, and in March 2010, the Company repaid approximately $62.3 million of the Wind Acquisition Loan.

F-28



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 7—DERIVATIVE FINANCIAL INSTRUMENTS

        As discussed in Note 3, in the normal course of business, the Company employs a variety of financial instruments to manage its exposure to fluctuations in interest rates and energy and energy-related commodities. The Company does not apply hedge accounting to these instruments and records changes in fair value related to derivative financial instruments in the consolidated statements of operations. The following tables reflect the amounts that are recorded in the Company's consolidated balance sheets as of December 31, 2008 and 2009 (in thousands):

 
  December 31, 2008   December 31, 2009  
 
  Interest
Rate
Derivatives
  Commodity
Derivatives
  Total   Interest
Rate
Derivatives
  Commodity
Derivatives
  Total  

Balance Sheet:

                                     

Assets

                                     
 

Derivative assets

  $   $ 3,536   $ 3,536   $ 1   $ 9,149   $ 9,150  
 

Long-term derivative assets

        22,279     22,279     193     37,445     37,638  
                           
 

Total assets

  $   $ 25,815   $ 25,815   $ 194   $ 46,594   $ 46,788  
                           

Liabilities

                                     
 

Derivative liabilities

  $ 372   $ 466   $ 838   $ 656   $ 2,793   $ 3,449  
 

Long-term derivative liabilities

    738     7,704     8,442     1,216     8,981     10,197  
                           
 

Total liabilities

  $ 1,110   $ 8,170   $ 9,280   $ 1,872   $ 11,774   $ 13,646  
                           

        The following tables reflect the amounts that are recorded in the Company's consolidated statements of operations for the years ended December 31, 2007, 2008 and 2009 related to derivative financial instruments (in thousands):

 
  December 31, 2007   December 31, 2008   December 31, 2009  
 
  Interest
Rate
Derivatives
  Commodity
Derivative
Instruments
  Total   Interest
Rate
Derivatives
  Commodity
Derivative
Instruments
  Total   Interest
Rate
Derivatives
  Commodity
Derivative
Instruments
  Total  

Statement of Operations:

                                                       

Revenue:

                                                       
 

Risk management activities related to operating projects

                                                       
   

Net cash settlements

  $   $ (1,670 ) $ (1,670 ) $   $ (4,072 ) $ (4,072 ) $   $ 10,966   $ 10,966  
   

Fair value changes

        (9,801 )   (9,801 )       14,760     14,760         17,175     17,175  
                                       

        (11,471 )   (11,471 )       10,688     10,688         28,141     28,141  

Other Operating

                                                       
 

Risk management activities related to non-operating projects

                                                       
   

Net cash settlements

                    (1,835 )   (1,835 )            
   

Fair value changes

        (21,141 )   (21,141 )       43,973     43,973              
 

Interest expense

                                                       
   

Net cash settlements

    (982 )       (982 )   (1,728 )       (1,728 )            
   

Fair value changes

    235         235     194         194     (568 )       (568 )
                                       
 

Net gain (loss)

  $ (747 ) $ (32,612 ) $ (33,359 ) $ (1,534 ) $ 52,826   $ 51,292   $ (568 ) $ 28,141   $ 27,573  
                                       

F-29



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 7—DERIVATIVE FINANCIAL INSTRUMENTS (Continued)

Interest Rate Swap Agreements

        The Company is subject to market risks from changes in interest rates. The Company regularly assesses these risks and has established business strategies to provide natural offsets, supplemented by the use of derivative instruments, to protect against adverse effects. Under interest rate swap agreements, the Company may agree to swap, at specified intervals, contractually stated fixed rates for the variable rates implicit in its debt financing agreements, based on agreed-upon notional amounts. Under interest rate cap agreements, the Company receives the difference, if positive, between the underlying variable rates and contractually specified cap rates, based on agreed-upon notional amounts.

Commodity Swap Agreements

        The Company enters into long-term cash settled swap agreements to hedge commodity price variability inherent in electricity sales arrangements. If the Company sells the electricity into an independent system operator (ISO) market and there is no PPA available, the Company may enter into a financial swap to stabilize all or a portion of the Company's estimated revenue stream. These price swap agreements involve periodic notional quantity settlements where the Company will swap market for fixed price payments, based on a commodity or market price index, over the term of an agreement.

        Fair value changes and cash settlements related to commodity derivative instruments prior to wind energy projects' reaching commercial operations are recorded in earnings in the accompanying consolidated statements of operations as risk management activities related to non-operating projects. Once wind energy projects reach commercial operations, fair value changes and cash settlements related to commodity derivative instruments are recorded in earnings in the accompanying consolidated statements of operations as risk management activities related to operating projects.

        As of December 31, 2008 and 2009, the Company was a party to the following derivative contracts (in thousands, except notional amounts):

 
   
   
   
   
   
  December 31, 2008   December 31, 2009  
 
   
  Current or
Remaining
Notional
Amount
   
   
   
 
 
  Underlying   Units   Periodic
Settlement
  Expiration   Derivative
Assets
  Derivative
Liabilities
  Long-term
Derivative
Assets
  Long-term
Derivative
Liabilities
  Derivative
Assets
  Derivative
Liabilities
  Long-term
Derivative
Assets
  Long-term
Derivative
Liabilities
 

Commodity Swaps:

                                                                         

Project:

                                                                         
 

Cohocton

  NYISO Zone C Real-Time Power     1,023,975   MWH   Monthly     2014   $ 1,637   $   $   $ 430   $ 3,426   $   $ 9,537   $  
 

Steel Winds

  NYISO Zone A Real-Time Power     350,000   MWH   Monthly     2016     378             122     766         2,330      
 

Kaheawa Wind Power I

  NYMEX WTI Crude Oil 1st Nearby     294,750   BBL   Quarterly     2013         466         7,152         2,793         8,981  
 

Stetson I and Stetson II(1)

  ISO-NE Mass Hub Real-Time Power     1,273,432   MWH   Monthly     2019     1,521         22,279         4,957         25,578      

Interest Rate Hedges:

                                                                         

Entity:

                                                                         
 

First Wind Acquisition , LLC(2)

  1-Month LIBOR     118,688,000   USD   Monthly     2010                     1     137          
 

Maine Wind Partners, LLC

  3-Month LIBOR     8,518,000   USD   Quarterly     2017         372         738         341         422  
 

Stetson Holdings, LLC(2)

  3-Month LIBOR     37,246,370   USD   Quarterly     2014                         178     193     794  
                                                           

                          $ 3,536   $ 838   $ 22,279   $ 8,442   $ 9,150   $ 3,449   $ 37,638   $ 10,197  
                                                           

(1)
Covers the output of both the Stetson I project, which was in operation, and the Stetson II project, which was under construction at December 31, 2009.

(2)
Includes an interest rate cap.

F-30



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 7—DERIVATIVE FINANCIAL STATEMENTS (Continued)

        As a result of not applying hedge accounting to its derivative contracts, the Company has reported non-cash losses and gains related to marking the values of its derivative contracts to market of ($30.7) million, $58.9 million and $16.6 million for the years ended December 31, 2007, 2008 and 2009, respectively. These losses and gains were a result of fluctuations in the underlying forward electricity and oil prices for which the commodity price swap contracts are intended to economically hedge, and changes in underlying interest rates for which the interest rate derivative contracts are intended to economically hedge.

        As of December 31, 2009, the Company has posted letters of credit in the amount of $13.8 million as collateral related to certain commodity swaps. Certain of the Company's derivative contracts contain provisions providing the counterparties a lien on specific assets as collateral. The Company has no credit risk-related contingent features within all derivatives that affect the Company's derivative portfolio as of December 31, 2009.

NOTE 8—ASSET RETIREMENT OBLIGATIONS

        The following table presents a reconciliation of the beginning and ending aggregate carrying amounts of asset retirement obligations for the years ended December 31, 2007, 2008 and 2009 (in thousands):

Balance at December 31, 2006

  $ 2,104  
 

Additions—incurred during the year

    265  
 

Accretion

    137  
       

Balance at December 31, 2007

    2,506  
 

Additions—incurred during the year

    3,198  
 

Accretion

    609  
       

Balance at December 31, 2008

    6,313  
 

Additions—incurred during the year

    2,485  
 

Accretion

    616  
       

Balance at December 31, 2009

  $ 9,414  
       

        During 2009, the Company recognized additional asset retirement obligations relating to the Milford I project and Stetson II project in the amount of $2.3 million and $0.2 million, respectively.

        Accretion expense is included in project operating expenses on the accompanying consolidated statements of operations. The Company records assets related to asset retirement obligations to property, plant and equipment, which are depreciated on a straight-line basis over 20 years.

NOTE 9—FAIR VALUE MEASUREMENTS

        The Company holds interest rate and commodity price swaps that are carried at fair value. The Company determines fair value based upon quoted prices when available or through the use of alternative approaches when market quotes are not readily accessible or available.

        Valuation techniques for fair value are based upon observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company's best estimate, considering all relevant information. These valuation techniques involve some

F-31



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 9—FAIR VALUE MEASUREMENTS (Continued)


level of management estimation and judgment. The valuation process to determine fair value also includes making appropriate adjustments to the valuation model outputs to consider risk factors. The fair value hierarchy of the Company's inputs used to measure the fair value of assets and liabilities during the current period consists of three levels:

        If inputs used to measure an asset or liability fall within different levels of the hierarchy, the categorization is based on the least observable input that is significant to the fair value measurement of the asset or liability. The Company's assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the asset or liability.

        In accordance with the fair value hierarchy described above, the following table shows the fair value of the Company's financial assets and liabilities that are required to be measured at fair value as of December 31, 2008 and December 31, 2009 (in thousands):

 
  December 31, 2008   December 31, 2009  
 
  Fair Value
Measurements Using
   
  Fair Value
Measurements Using
   
 
 
  Level 1   Level 2   Level 3   Total   Level 1   Level 2   Level 3   Total  

Assets:

                                                 
 

Interest rate derivatives

  $   $   $   $   $   $ 194   $   $ 194  
 

Commodity price swap derivatives

            25,815     25,815             46,594     46,594  
                                   

  $   $   $ 25,815   $ 25,815   $   $ 194   $ 46,594   $ 46,788  
                                   

Liabilities:

                                                 
 

Interest rate derivatives

  $   $ 1,110   $   $ 1,110   $   $ 1,872   $   $ 1,872  
 

Commodity price swap derivatives

        7,618     552     8,170         11,774           11,774  
                                   

  $   $ 8,728   $ 552   $ 9,280   $   $ 13,646   $   $ 13,646  
                                   

        The following table sets forth a reconciliation of changes in the fair value of derivative instruments classified as Level 3 in the fair value hierarchy for the year ended December 31, 2009 (in thousands):

Balance as of January 1, 2009

  $ 25,263  
 

Net gains included in earnings

    21,331  
       

Balance as of December 31, 2009

  $ 46,594  
       

Changes in unrealized gains relating to derivatives still held as of December 31, 2009

  $ 21,331  
       

F-32



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 10—INCOME TAXES

        The provision for income taxes is comprised of the following:

 
  Year Ended
December 31, 2009
 

Current federal

  $  

Current state

     
       
 

Total current

     
       

Deferred federal

    1,747  

Deferred state

    263  
       
 

Total deferred

    2,010  
       

Provision for income taxes

  $ 2,010  
       

        A reconciliation of the federal statutory rate to the Company's effective tax rate is as follows:

 
  Year Ended
December 31, 2009
 

Benefit from income taxes at federal statutory rate

  $ (20,650 )   35.0 %

Benefit from state income taxes, net of federal benefit

    281     (0.5 %)

Partnership income not subject to income taxes

    24,001     (40.7 %)

Effect of change in entity classification

    (20,648 )   35.0 %

Change in valuation allowance

    19,026     (32.2 %)
           

  $ 2,010     (3.4 %)
           

        Deferred income taxes reflect the net tax effects of temporary differences between the carrying value of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes.

F-33



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 10—INCOME TAXES (Continued)

        Significant components of the Company's deferred tax assets and liabilities are as follows:

 
  Year Ended
December 31, 2009
 

Deferred tax assets:

       
 

Noncurrent:

       
   

Fixed assets

  $ 24,016  
   

Net operating loss carryforwards

    23,381  
   

Deferred revenue

    550  
   

ARO accretion expense

    141  
       
     

Subtotal

    48,088  
       
   

Valuation allowance

    42,064  
       
 

Net noncurrent deferred tax assets

  $ (6,024 )
       

Deferred tax liabilities:

       
 

Noncurrent:

       
   

Unrealized gain on derivatives

  $ 5,135  
   

Outside basis in partnership investment

    2,899  
       
 

Total noncurrent deferred tax liabilities

    8,034  
       
 

Net deferred tax liability

  $ (2,010 )
       

        During 2009, the Company filed entity classification elections for certain of its affiliated entities. The entity classification election was filed to change the tax classification of the entity from a partnership to a C corporation. At the time of each entity's classification election, a deferred tax asset was established for the difference in carrying value of the entity's assets and liabilities. The Company has established valuation allowances against its deferred tax assets because management believes that, after considering all of the available objective evidence, both historical and prospective, the realization of the deferred tax assets is not "more likely than not."

        As of December 31, 2009, the Company has federal and state net operating loss carryforwards (NOLs) of approximately $58.3 million for tax purposes, which will be available to offset future taxable income at the operating subsidiary that generated this NOL. If not utilized, these carryforwards will begin to expire in 2024.

Tax Contingencies

        The Company is subject to income taxes on subsidiaries for which entity classification elections have been made. Significant judgment is required in evaluating the Company's tax positions and in determining the Company's provision for income taxes. In the ordinary course of business, there are many transactions and calculations for which the ultimate tax determination is uncertain. The Company has established no reserves for uncertain tax positions.

F-34



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 11—MEMBERS' EQUITY

Distribution Preferences and Voting Rights of Series A Units and Series B Units

        The amended and restated limited liability company agreement of First Wind (LLC Agreement) authorizes First Wind to issue Series A Units and Series B Units. The Series B Units may be issued in various series at the discretion of First Wind. In general, Series A Units have been issued to First Wind's sponsors and various lenders in return for capital contributions or concurrently with the issuance of debt and Series B Units have been issued to members of management as compensation. Specific issuances of Series A Units and Series B Units are described in more detail below in "—Series A Unit Issuances" and "—Series B Unit Issuances," respectively.

        With respect to distributions of excess cash, distributions upon liquidation and allocations of profits for partnership tax purposes, the Series B Units are generally subordinated to the Series A-1 and Series A-2 Units to the extent of the capital contributions increased annually by the preference rate of the holders of the Series A-1 and Series A-2 Units, then to the Series A Units to the extent of the capital contributions increased annually by the preference rate of the holders of the Series A Units, and then share pro rata with the Series A-1 Units, Series A-2 Units and Series A Units thereafter. Individual series of Series B Units may be subordinated to the extent of the immediately previous Series B Units' assigned threshold value and share pro rata with previous series and the remaining Series A Units thereafter.

        With respect to the allocations of losses for partnership tax purposes, losses are first allocated to the Series A-2 Units, Series A-1 Units, Series A Units and Series B units, pro rata in accordance to their adjusted capital account (as discussed above). Individual series of Series B Units, however, share pro rata with the Series A Units and the other series of Series B Units only to the extent of their capital accounts. Once their capital accounts are reduced to zero, individual series of Series B Units cease to share in the allocations of losses.

        As of December 31, 2009, the LLC Agreement provided that the holders of the various series of First Wind's units have the right to designate members of the Company's board of managers as follows:

F-35



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 11—MEMBERS' EQUITY (Continued)

        Except as otherwise provided in the LLC Agreement, the affirmative vote of the holders of a majority of Series A Units is required for action to be taken by the members. Holders of Series A Units are entitled to act by written consent. In general, the holders of the Series B Units do not have voting rights. Any amendment to LLC Agreement of First Wind that would adversely affect the holders of the Series B Units without so affecting the holders of all units, requires the approval of either (i) Paul Gaynor, if he is Chief Executive Officer at the time of such approval, or (ii) the holders of a majority of the vested Series B Units, voting together as a single class.

        The LLC Agreement contains provisions limiting its managing member's, members' and officers', and their respective affiliates', liability to First Wind and its unit holders.

        In May 2008 and in accordance with the terms of the LLC Agreement, First Wind paid cash distributions to its members totaling $8.6 million in respect of federal income taxes to be assessed at the member level.

Series A Unit Issuances

        In 2006, First Wind repurchased from certain members approximately 43.0 million Series A Units for cash of $32.2 million. The repurchase included an earn-out payment of $1.0 million that was distributed in January 2009, related to commercial operation of the Company's Steel Winds I project, additional maximum payments of 4.5 million Series A-1 Units, which were also distributed during 2009, and $4.5 million of cash, expected to be paid upon certain wind energy projects' commencing commercial operations and the occurrence of certain other conditions. As of March 24, 2010, all conditions with respect to this earn-out payment had been met and all payments had been made.

        At December 31, 2008, First Wind was authorized to issue an unlimited number of Series A Units and Series A-1 Units. During 2008, members of First Wind made aggregate capital contributions of $520.3 million. In addition to cash, these contributions included the issuance of 152,527 Series A units in exchange for a parcel of land acquired from a member and approximately 23.4 million Series A Units issued upon conversion of member loans consisting of principal of $21.7 million and accrued interest of $1.7 million. As of December 31, 2008, First Wind had no outstanding member capital commitments.

        In 2009, First Wind issued 140.0 million Series A-1 Units to its members in exchange for $140.0 million of capital contributions and in satisfaction of obligations to certain members. In addition, First Wind issued 4.5 million A-1 Units to certain members in connection with certain wind energy projects' commencing commercial operations. In March 2010, First Wind paid $4.5 million to these members upon the remaining conditions for the payment having been met.

        In connection with the CSSW loan described in Note 6, First Wind issued approximately 44.9 million Series A-2 Units and allocated approximately $24.3 million of the proceeds from the transaction thereto. The Series A-2 Units have an initial preference of $0.39 per unit that increases ratably over the eight years subsequent to their issuance such that, at the end of this period, their capital preference will be $1 per unit, which is identical to Series A and Series A-1 Units.

Series A-1 Warrant

        On December 12, 2008, First Wind issued a warrant to purchase Series A-1 Units (HSH Warrant) to HSH in conjunction with the HSH Refinancing. The HSH Warrant entitles the holder to purchase

F-36



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 11—MEMBERS' EQUITY (Continued)


10.0 million Series A-1 Units at a price of $1.00 per unit. The number of units and the per unit price are subject to adjustment if First Wind (i) entitles its members to receive a distribution of units or other membership interests, (ii) effects a split or reverse split of its units or (iii) sells units to affiliates at a price lower than the $1.00 per unit strike price of the warrant. The HSH Warrant also contains a cashless exercise provision under which it could be exercised, in whole or in part, by the holder's tendering the right to receive the number of Series A-1 Units equivalent in fair value to the exercise price in lieu of cash.

        The HSH Warrant is exercisable until the earlier of a Qualified Public Offering (as such term is defined in the LLC Agreement) or December 12, 2010. If neither a Qualified Public Offering nor issuance of Series A-1 Units to a party other than the existing members of First Wind at December 12, 2008, or HSH has occurred by December 12, 2010, the expiration date of the HSH Warrant will extend by one year to December 12, 2011.

Series B Unit Issuances

        As of December 31, 2009, First Wind was authorized to issue up to 180 million Series B Units. As of December 31, 2008 and 2009, First Wind had issued approximately 167.9 million and 150.2 million Series B Units, respectively. These units are generally used for employee compensation purposes and are granted by series at zero cost to the grantee. Employee Series B Unit awards generally cliff vest in three equal annual installments over a three-year term of continuous service, with accelerated vesting upon a change in control as defined in a Restricted Unit Agreement (RUA) which each grantee is required to execute.

        The terms of the RUA require the forfeiture of any unvested Series B Units upon a unit holder's separation of service from the Company. A total of approximately 0.4 million and 24.6 million of unvested Series B Units were forfeited or canceled during 2008 and 2009, respectively.

NOTE 12—UNIT-BASED COMPENSATION

        As discussed in Note 11, First Wind is authorized to issue up to 180.0 million Series B Units. Effective January 1, 2006, the Company adopted ASC 718-20 Compensation-Stock Compensation (ASC 718-20), which establishes the accounting for employee unit-based awards. Under the provisions of ASC 718-20, unit-based compensation is measured at the grant date, based on the calculated fair value of the award, and is recognized as an expense over the requisite employee service period (generally the vesting period of the grant). The Company recognizes unit-based compensation expenses associated with the Series B Units on a straight-line basis over the requisite service period using the fair value method. The fair value of each Series B Unit was estimated using a probability-weighted expected return model. Under a probability-weighted expected return model, the value of an enterprise equity instrument is estimated based upon an analysis of future values assuming various possible future liquidity events. Equity instrument value is based on the probability-weighted present value of expected cash flows, considering each of the possible future events, as well as the rights and preferences of each unit class.

        The Series B-1 Units granted on April 28, 2006 vest proportionately with the capital contributions of First Wind's members over a three-year term of continuous service. On March 31, 2008, all outstanding Series B-1 Unit awards were modified to provide similar vesting provisions as subsequent series issuances of Series B Units, which vest over a three-year term of continuous service.

F-37



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 12—UNIT-BASED COMPENSATION (Continued)

        The following table summarizes Series B Unit activity:

 
  Year ended December 31,  
 
  2008   2009  
 
  Units   Weighted
Average
Grant Date
Fair Value
  Units   Weighted
Average
Grant Date
Fair Value
 

Outstanding balance at beginning of year

    37,337,000   $ 0.15     123,844,777   $ 0.32  

Granted, at fair value

    86,885,000     0.40     7,859,117     0.24  

Forfeited

    (377,223 )   (0.15 )   (24,622,325 )   (0.35 )

Canceled

            (957,999 )   (0.51 )
                       

Outstanding at end of period

    123,844,777     0.32     106,123,570     0.32  
                       

Units vested at end of period

    39,360,858           57,923,683        
                       

Unvested units
  Units   Weighted
Average
Grant Date
Fair Value
 

Balance at December 31, 2007

    27,794,767   $ 0.15  
 

Granted

    86,885,000     0.40  
 

Vested

    (12,276,600 )   (0.15 )
 

Forfeited

    (377,223 )   (0.15 )
           

Balance at December 31, 2008

    102,025,944     0.32  
 

Granted

    7,859,117     0.24  
 

Vested

    (37,062,849 )   (0.31 )
 

Forfeited

    (24,622,325 )   (0.35 )
           

Balance at December 31, 2009

    48,199,887   $ 0.41  
           

        During the years ended December 31, 2007, 2008 and 2009 the Company recorded stock-based compensation related to the Series B Units as follows (in thousands):

 
  Year ended December 31,  
 
  2007   2008   2009  

Project development expenses

  $ 47   $ 221   $ 1,138  

General and administrative expenses

    1,496     8,582     5,883  
               

  $ 1,543   $ 8,803   $ 7,021  
               

        The Company estimates its expected weighted average forfeiture rate to be 13.7%. As of December 31, 2009, the total future compensation cost related to unvested Series B Units that are expected to vest is $17.0 million, which will be recognized over a weighted-average period of 1.05 years.

F-38



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 13—COMMITMENTS AND CONTINGENCIES

Operating Leases

        As of December 31, 2009, the Company was obligated under long-term non-cancelable operating leases, primarily for land, offices and office equipment, and construction equipment leases. Rental expense for lease commitments under these operating leases for the years ended December 31, 2007, 2008 and 2009 was $1.5 million, $2.1 million and $4.8 million, respectively.

        Future minimum lease payments under these operating leases at December 31, 2009 for 2010 through 2014 and thereafter were as follows (in thousands):

 
  Operating Leases  

2010

  $ 5,189  

2011

    5,422  

2012

    7,252  

2013

    3,857  

2014

    3,577  

Thereafter

    43,667  
       

  $ 68,964  
       

In certain of the Company's land lease agreements, the Company is obligated to decommission all wind energy project equipment and restore the land to original condition, excluding removal of access roads, upon expiration, cancellation or termination of the land lease agreements. In connection with KWP I, the Company was required to provide to the lessor a letter of credit in the amount of $1.5 million to ensure performance under the contract and to guarantee resources for decommissioning and reclamation. The Company pays quarterly letter of credit fees based on an annual rate of 1.75%. This letter of credit will remain in effect during the full term of the lease, including option extensions.

Power Purchase Agreements

        The Company enters into long-term PPAs with customers, generally electric utility companies, to sell all or a fixed proportion of the electricity generated by one of the Company's projects, sometimes bundled with RECs and capacity. Electricity payments are calculated based on the amount of electrical energy delivered at a designated delivery point and may include fixed and variable price terms. Certain of the PPAs provide for potential payments by the Company if it fails to meet minimum target levels.

        The Company generally enters into PPAs prior to its wind energy projects' beginning construction and/or commencing commercial operations. Pursuant to the terms of certain PPAs, the Company may be required to make payments to the relevant power purchaser under certain conditions, such as shortfall on delivery of electricity, failure to meet certain performance threshold requirements or failure to commence commercial operations by a scheduled date.

        The Company's Steel Winds I subsidiary has a PPA that expired on December 31, 2009. The Company signed a new 5-year PPA, subsequent to December 31, 2009, for the sale of the generated energy, RECs, capacity and ancillary services.

F-39



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 13—COMMITMENTS AND CONTINGENCIES (Continued)

Turbine Supply and Warranty Agreements

        The Company enters into turbine supply agreements (TSAs), through wholly-owned subsidiaries, with suppliers for the procurement of wind turbine generators and related equipment. In November 2009, the Company renegotiated its turbine supply agreements with Clipper in order to convert its firm purchase commitments into rights to purchase turbines, and the Company also extended the delivery schedule for its existing orders. These agreements provide the Company with the right, but not the obligation, to acquire Clipper Liberty turbines representing 632.5 MW of capacity for installation over the period from 2011 to 2015. The Company has already paid approximately $60.0 million in deposits and progress payments for these turbines and intends to pay approximately $30.0 million more in deposits and progress payments by January 15, 2011. If the Company decides not to purchase additional turbines from Clipper, it will forfeit the pro rata portion of the deposits related to the turbines not acquired corresponding to the schedule of future turbine purchases: $38.6 million for turbines scheduled to be purchased in 2011, $17.9 million in 2012, $10.7 million in 2013, $13.4 million in 2014 and $8.9 million in 2015.

        The Company had remaining future commitments to GE and potential payments to Clipper under the TSAs as of December 31, 2009 as follows (in thousands):

 
 
GE
 
Clipper
 

2010(1)

  $ 27,087   $ 13,127  

2011

        193,528  

2012

        180,386  

2013

        154,337  

2014

        189,365  

2015

        135,157  
           

  $ 27,087   $ 865,900  
           


(1)
Clipper amount represents an obligation

        First Wind has provided guarantees to both GE and Clipper to support payment obligations of its subsidiaries under the TSAs.

        The Company may enter into warranty and guarantee agreements (WGAs) with the suppliers of wind turbines. These suppliers guarantee the delivery and performance of the turbines and related equipment in accordance with technical specifications defined in the WGA and agree to perform services throughout the term of the WGA to maintain the performance of the turbines in accordance with these defined technical specifications. Any payments received for warranty claims filed are recorded in other income in the statement of operations.

F-40



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 13—COMMITMENTS AND CONTINGENCIES (Continued)

        The WGAs commence on the start-up and commissioning of the turbines and the Company was committed to make the following future payments under WGAs as of December 31, 2009 as follows (in thousands):

2010

  $ 1,254  

2011

    3,558  

2012

    2,744  

2013

    2,744  
       

  $ 10,300  
       

Balance of Plant Agreements

        The Company enters into balance of plant (BOP) agreements with contractors for the construction of the major components of its wind energy projects, including access roads, tower foundations and turbine erection. As of December 31, 2009, the Company estimated a remaining commitment of $4.3 million for the Stetson II project.

Operations and Maintenance Agreements

        The Company enters into operations and maintenance (O&M) agreements with suppliers of its wind turbine generators and related equipment. Under the terms of the O&M agreements, the suppliers perform all scheduled routine maintenance, repairs, and replacement and management of spare parts related to the wind turbine generators and related equipment upon commencement of commercial operations.

        The future minimum commitments under O&M agreements as of December 31, 2009 were as follows:

2010

  $ 4,116  

2011

    4,778  

2012

    3,668  

2013

    2,898  

2014

    1,939  
       

  $ 17,399  
       

Letters of Credit

        The Company's customers and vendors and regulatory agencies often require the Company to post letters of credit in order to guarantee performance under relevant contracts and agreements. The Company is also required to post letters of credit to secure obligations under various swap agreements and leases and may, from time to time, decide to post letters of credit in lieu of cash deposits in reserve accounts under certain financing arrangements. The amount that can be drawn under some of these letters of credit may be increased from time to time subject to the satisfaction of certain conditions. The Company is contingently liable for performance under letters of credit totaling $38.0 million, $40.5 million as of December 31, 2008 and 2009, respectively.

F-41



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 13—COMMITMENTS AND CONTINGENCIES (Continued)

        As of December 31, 2009, the Company had the following outstanding letters of credit (in thousands):

Commodity swap agreements

  $ 13,800  

Construction contracts

    1,562  

PPAs and REC contracts

    7,677  

Interconnection Agreement

    2,250  

Regulatory agencies

    2,626  

Financing Agreements

    9,200  

Leases

    944  

Other

    2,463  
       

  $ 40,522  
       

        During the first half of 2009, the Company had one draw against the letter of credit for $1.3 million. As of December 31, 2009, the Company does not believe that it is likely that any additional claims will be made under a letter of credit in the foreseeable future.

Project Development Payments

        In 2006, the Company executed agreements to acquire rights to develop certain wind energy projects from noncontrolling members of subsidiaries of the Company. In connection with these agreements, the Company is obligated to make payments of up to $1.5 million to these noncontrolling members, contingent upon certain wind energy projects either commencing commercial operations or development milestones, such as obtaining construction permits.

Guarantee Agreements

        The Company has provided guarantees to certain of its institutional tax equity investors in connection with its tax equity financing transactions. These guarantees do not guarantee the returns targeted by the tax equity investors, but rather support any potential indemnity payments payable under the tax equity agreements.

        The Company is contractually obligated to deliver a minimum amount of energy to SCPPA in connection with the prepayment under the Milford I PPA. In the event the Company does not deliver the contractual amount of energy, the Company may be required to purchase and deliver replacement energy.

Legal Proceedings

        The Company is involved from time to time in litigation and disputes arising in the normal course of business, including proceedings contesting our permits or the operation of our projects. Management does not believe the following proceedings will, if determined adversely, have a material adverse effect on the financial condition, results of operations and liquidity of the Company:

        On July 15, 2008, the Company was served with a civil subpoena by the New York State Attorney General relating to an investigation into its activities in the State of New York. In response to the subpoena, First Wind produced documents and information relating principally to the New York State

F-42



FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Consolidated Financial Statements (Continued)

NOTE 13—COMMITMENTS AND CONTINGENCIES (Continued)


Attorney General's investigation into: (i) whether the Company improperly sought or obtained land-use agreements with citizens and public officials, (ii) whether improper benefits were given to public officials to influence their actions and (iii) whether the Company and its competitors entered into anti-competitive agreements or practices. The Company cooperated fully with the requests of the New York State Attorney General, with the assistance of outside counsel. Outside counsel also conducted its own internal investigation on behalf of the Company. On October 29, 2008, the Company voluntarily agreed to implement a Code of Conduct, created by the New York State Attorney General to govern the Company's future conduct in connection with wind energy project development in New York State. The Company entered into a subsequent version of the New York code in October 2009. The Company has been advised by the New York State Attorney General's office that it is not currently under investigation.

        Some residents near our Mars Hill project recently commenced litigation against us based on the Company's construction and operation of this project. While the outcome of this litigation cannot be predicted, the Company believes it will not have a material adverse effect on its financial position, results of operations or cash flows.

NOTE 14—RELATED PARTY TRANSACTIONS

        In the normal course of business, the Company engages in transactions with related parties, including affiliates of members of the Company.

Member Loans

        On May 3, 2008, the Company converted the member loans of approximately $23.4 million, principal and accrued interest, to approximately 23.4 million Series A Units.

Investment

        On May 2, 2008, the Company contributed approximately $3.4 million of cash and property in exchange for a 30% investment in Deepwater Wind, LLC (Deepwater), an off-shore wind energy company. The Company has significant influence but not control over Deepwater, therefore the Company accounts for this investment using the equity method of accounting. A member of First Wind has a majority investment in Deepwater. The Company committed to provide contributions of $120.0 million to Deepwater; however, the Company has the right to opt out of making such contributions, which could result in the dilution of the Company's interest in Deepwater. As of December 31, 2009, the Company's interest had been diluted to approximately 17%.

NOTE 15—EMPLOYEE BENEFIT PLANS

401(k) Plan

        In 2006, the Company established a 401(k) Plan (the Plan) for the benefit of its U.S. employees. Employees of the Company are eligible to participate in the Plan immediately upon employment. Contributions are made by employees through pre-tax deductions and by the Company up to a maximum percentage of an employee's annual salary as specified by the Plan. The Company's contributions to the Plan were $0.1 million, $0.3 million and $0.6 million for the years ended December 31, 2007, 2008 and 2009, respectively.

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First Wind Holdings, LLC and Subsidiaries

Condensed Consolidated Balance Sheets

(Unaudited)

(in thousands)

 
  December 31, 2009   March 31, 2010  

Assets

             

Current assets:

             
 

Cash and cash equivalents

  $ 31,467   $ 53,072  
 

Restricted cash

    45,974     54,254  
 

Accounts receivable

    6,390     5,898  
 

Prepaid expenses and other current assets

    9,096     9,243  
 

Derivative assets

    9,150     12,502  
           
     

Total current assets

    102,077     134,969  

Property, plant and equipment, net

    950,610     879,426  

Construction in progress

    472,526     436,491  

Turbine deposits

    97,172     112,112  

Long-term derivative assets

    37,638     48,024  

Other non-current assets

    21,671     23,999  

Deferred financing costs, net

    16,460     18,918  
           
     

Total assets

  $ 1,698,154   $ 1,653,939  
           

Liabilities and Members' Capital

             

Current Liabilities:

             
 

Accrued capital expenditures and turbine deposits

  $ 44,894   $ 39,667  
 

Accounts payable and accrued expenses

    16,440     22,754  
 

Derivative liabilities

    3,449     3,594  
 

Deferred revenue

        11,340  
 

Current portion of long-term debt

    109,238     103,651  
           
     

Total current liabilities

    174,021     181,006  

Long-term debt, net of current portion

    522,808     390,517  

Long-term derivative liabilities

    10,197     10,240  

Deferred income tax liability

    2,010     5,384  

Deferred revenue

    2,777     214,203  

Other liabilities

    7,555     11,725  

Redeemable interest in subsidiary

    119,998      

Asset retirement obligations

    9,415     9,836  
           
     

Total liabilities

    848,781     822,911  

Commitments and contingencies

             

Members' capital:

             
 

First Wind Holdings, LLC

             
   

Members' capital

    847,251     840,850  
   

Accumulated deficit

    (191,229 )   (191,658 )
           
     

Total First Wind Holdings, LLC members' capital

    656,022     649,192  
 

Noncontrolling interests in subsidiaries

    193,351     181,836  
           
     

Total members' capital

    849,373     831,028  
           
     

Total liabilities and members' capital

  $ 1,698,154   $ 1,653,939  
           

See accompanying notes to condensed consolidated financial statements.

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First Wind Holdings, LLC and Subsidiaries

Condensed Consolidated Statements of Operations

(Unaudited)

(in thousands, except units and per unit amounts)

 
  Three Months ended March 31,  
 
  2009   2010  

Revenues:

             
 

Revenues

  $ 11,381   $ 18,725  
 

Cash settlements of derivatives

    6,140     3,660  
 

Fair value changes in derivatives

    20,293     14,432  
           
   

Total revenues

    37,814     36,817  

Cost of revenues:

             
 

Project operating expenses

    3,571     11,959  
 

Depreciation and amortization of operating assets

    7,823     12,270  
           
   

Total cost of revenues

    11,394     24,229  
           
   

Gross profit

    26,420     12,588  

Other operating expenses:

             
 

Project development

    13,314     8,960  
 

General and administrative

    11,047     7,948  
 

Depreciation and amortization

    672     1,140  
           
   

Total other operating expenses

    25,033     18,048  
           
   

Income (loss) from operations

    1,387     (5,460 )

Other expenses

    (1,495 )   (1,625 )

Interest expense, net of capitalized interest

    (3,365 )   (236 )
           
   

Loss before provision for income taxes

    (3,473 )   (7,321 )
 

Provision for income taxes

        3,374  
           
   

Net loss

    (3,473 )   (10,695 )

Less: net loss attributable to noncontrolling interest

    2,241     10,265  
           
   

Net loss attributable to members of First Wind Holdings, LLC

  $ (1,232 ) $ (430 )
           

Net loss attributable per Series A unit:

             
 

Basic and diluted net loss attributable per Series A unit

  $   $  
           
 

Basic and diluted weighted average number of Series A units outstanding

    649,681,382     649,681,382  
           

See accompanying notes to condensed consolidated financial statements.

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First Wind Holdings, LLC and Subsidiaries

Condensed Consolidated Statements of Cash Flows

(Unaudited)

(in thousands)

 
  Three months ended
March 31,
 
 
  2009   2010  

Cash flows from operating activities:

             
 

Net loss

  $ (3,473 ) $ (10,695 )
 

Adjustments to reconcile net loss to net cash provided by (used in) operating activities:

             
   

Depreciation and amortization

    8,386     12,850  
   

Amortization of deferred financing costs

    1,137      
   

Unrealized gains on derivative instruments

    (20,361 )   (13,550 )
   

Loss on equity investment

    622     836  
   

Accretion of asset retirement obligations

    109     176  
   

Share-based compensation expense

    2,201     2,125  
   

Deferred income taxes

        3,374  
   

Changes in assets and liabilities:

             
     

Accounts receivable

    (361 )   (843 )
     

Prepaid expenses and other current assets

    2,988     2,253  
     

Other non-current assets

    (85 )   (3,354 )
     

Other liabilities

    425     4,169  
     

Accounts payable and accrued expenses

    (10,084 )   794  
     

Deferred revenue

    843     229,621  
           
       

Net cash provided by (used in) operating activities

    (17,653 )   227,756  
           

Cash flows from investing activities:

             
 

Capital expenditures and turbine deposits

    (58,586 )   (25,677 )
 

Changes in restricted cash

    (7,233 )   (8,280 )
           
       

Net cash used in investing activities

    (65,819 )   (33,957 )
           

Cash flows from financing activities:

             
 

Proceeds from borrowings, net

    89,034     69,187  
 

ARRA grant proceeds, net

        120,148  
 

Proceeds from capital contributions

    140,000      
 

Transaction costs from sale of subsidiary company interest

    (145 )   (26 )
 

Repurchase of subsidiary company interests

        (4,000 )
 

Repayment of borrowings

    (122,542 )   (351,755 )
 

Distributions to noncontrolling interests

    (1,865 )   (1,248 )
 

Distributions to members

    (1,000 )   (4,500 )
           
       

Net cash provided by (used in) financing activities

    103,482     (172,194 )
           
       

Net increase in cash and cash equivalents

    20,010     21,605  

Cash and cash equivalents, beginning of period

    40,729     31,467  
           

Cash and cash equivalents, end of period

  $ 60,739   $ 53,072  
           

Supplemental disclosures of cash flow information:

             
 

Non-cash investing activities:

             
   

Capital expenditures and turbine deposits funded directly from borrowings

  $ 64,662   $ 14,334  
           

See accompanying notes to condensed consolidated financial statements.

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FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements

(Unaudited)

NOTE 1—BUSINESS

        First Wind Holdings, LLC (First Wind) and its subsidiaries (collectively, the Company) are engaged in the development, construction and operation of utility-scale wind energy projects principally in the Northeastern and Western regions of the continental United States and Hawaii. First Wind is a limited liability company organized under the laws of Delaware.

        In May 2008, First Wind Holdings Inc., a wholly-owned subsidiary of First Wind, was incorporated in the State of Delaware. First Wind Holdings Inc. has filed with the United States Securities and Exchange Commission (SEC) a Registration Statement on Form S-1 (the Registration Statement) to register its Class A common stock under the Securities Act of 1933, as amended, for an initial public offering.

NOTE 2—LIQUIDITY AND GOING CONCERN

        The Company began its business in 2002 and has generated substantial net losses and negative cash flows from operating activities since inception primarily due to the significant growth in development, construction and operation of its wind projects during this period. The Company has relied on equity contributions from its members along with borrowings, secured by certain of its assets, and grants under the American Recovery and Reinvestment Act of 2009 (ARRA) to fund project development spending, procurement of wind turbine generators, construction costs and other operating costs.

        In March 2010, the Company extended the maturity dates for its Wind Acquisition and Wind Acquisition IV turbine supply loans. In connection with this extension, the Company repaid $1.4 million of these turbine supply loans. Also in March 2010, First Wind completed a $77.3 million debt financing and entered into a $50 million letter of credit facility. In conjunction with these financing transactions, the Company prepaid approximately $61.0 million of amounts outstanding under these turbine supply loans. As a result of this prepayment, the Wind Acquisition Loan is no longer guaranteed by the Company, and the Wind Acquisition Loan and the Wind Acquisition IV Loan are no longer cross-collateralized and no longer cross-default to each other.

        As of March 31, 2010, the Company had approximately $103.7 million of current debt maturities, of which $79.9 million relates to a non-recourse turbine supply loan due on June 30, 2010. The Company also had $8.1 million of debt relating to construction of the Stetson II project due on July 10, 2010 and approximately $15.7 million of other current debt that will be paid with existing cash balances or cash flows from operating projects.

        The Company has a signed commitment letter with a consortium of banks to provide $240 million of construction financing on its Milford II project. This financing commitment is subject to final approval, delivery of an executed power purchase agreement, certain permitting activities, and certain other closing conditions, all of which the Company expects to satisfy on or before June 30, 2010. The Company expects to use proceeds from the Milford II construction financing, which will mature in 2011, to repay the $79.9 million non-recourse turbine supply loan maturing on June 30, 2010. However, there can be no assurance that this financing will close and, if such financing does not close, that any other financing will be available or, if such other financing is available, that it will be available on terms acceptable to the Company. If the Company is unable to repay or further extend the maturity of the $79.9 million non-recourse turbine supply loan, it would be in default of this loan, and the lender could

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FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Continued)

(Unaudited)

NOTE 2—LIQUIDITY AND GOING CONCERN (Continued)


accelerate the remaining balance of $53.1 million due in 2011. This loan is recourse solely to specified collateral, including turbines allocated to the Company's Milford II, KWP II and Rollins projects along with the development assets of the KWP II, Rollins and Oakfield projects. To remedy such a default, the collateral could be sold, or the Company could surrender the collateral to the lender. The carrying value of the specified collateral was approximately $340 million at December 31, 2009, of which approximately $316 million relates to turbines. The Company believes the fair value of the collateral substantially exceeds the principal amount of corresponding non-recourse debt that it secures. While surrender of the collateral would not prevent the Company's ability to continue 2010 operations, it would result in a loss for financial reporting purposes and could have an adverse effect on the Company's longer term operations, including a potential delay in completion of one or more of the projects noted above.

        The Stetson Holdings Loan includes a bridge loan of $18.6 million that can be drawn upon to fund construction costs for the Stetson II project after the proceeds of the term loan allocated to Stetson II have been fully utilized. As of March 31, 2010, $8.1 million of the bridge loan was drawn to fund construction of the Stetson II project. The Company expects to draw an additional amount of approximately $10.0 million under the bridge loan to pay final commissioning and other construction costs for the Stetson II project, which achieved commercial operation on March 12, 2010. The balance outstanding under this facility is due on July 10, 2010. Twenty percent (20%) or a maximum amount of $3.7 million of the balance of the bridge loan is guaranteed by First Wind. The Company expects to fully repay this loan with anticipated proceeds from an ARRA cash grant for which it filed an application on April 9, 2010. Based on the existing United States federal regulations governing the ARRA grant program, grant applicants are required to be reimbursed for eligible amounts within 60 days of submission of a complete grant application. The Company believes that it is entitled to reimbursement for qualified expenditures through the ARRA grant program based on current regulations and that such grant proceeds, which the Company estimates will be sufficient to repay in full the bridge loan, will be received prior to maturity of the bridge loan based on its experience in applying for and receiving four previous ARRA cash grants totaling approximately $235 million in 2009 and 2010.

        The Company's 2008 and 2009 consolidated financial statements have been prepared assuming its ability to continue as a going concern. In the event the Company has not closed the Milford II construction loan by May 31, 2010, management plans for the balance of 2010 include continued development of certain projects, reduced general and administrative spending, curtailment of all development spending for 2011 projects and beyond, and repayment of the balance of Stetson II construction loan. In the event the Milford II construction loan is not closed by May 31, 2010, the Company believes that the expenditure reductions combined with cash on hand, cash flows from operating projects, proceeds from recent and future financing transactions and, if necessary, its ability to convey collateral to satisfy in full its non-recourse turbine supply loan maturing June 30, 2010 will enable the Company to satisfy its 2010 debt maturities and provide sufficient liquidity to meet its working capital and operating requirements through December 31, 2010.

        The Company's ability to continue as a going concern after December 31, 2010, is largely dependent on its ability to raise additional capital to repay subsequently maturing debt and to fund project development and construction of its wind energy projects. To fund its future operations and

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FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Continued)

(Unaudited)

NOTE 2—LIQUIDITY AND GOING CONCERN (Continued)


meet its existing commitments, including servicing debt maturities, the Company is exploring alternatives to extend the maturities of its indebtedness and/or raise additional capital through one or more of the following sources: (i) public or private issuances of parent company equity, debt or convertible securities, (ii) project-level construction financing for projects currently under development, and (iii) permanent project-level financings for existing projects or for new projects as they become operational, including but not limited to tax equity financings, ARRA cash grants or ARRA loan guarantees. However, there can be no assurance that any additional financing will be available or, if such financing is available, that it will be available on terms acceptable to the Company. Moreover, additional funds may be necessary sooner than the Company currently anticipates in the event of changes to development schedules, increases in development costs, or to meet other unanticipated expenses. If the Company is unable to raise additional capital or generate sufficient operating cash flow to repay subsequently maturing debt, it could be in default of its lending agreements and could be required to delay development and construction of its wind energy projects, reduce overhead costs, reduce the scope of its projects or abandon or sell some or all of its development projects, all of which could adversely affect the Company's business, financial position and results of operations.

NOTE 3—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Principles of Consolidation and Basis of Presentation

        The condensed consolidated financial statements reflect the operations of the Company and all of its majority-owned subsidiaries and have been prepared in accordance with U.S. generally accepted accounting principles (U.S. GAAP).

        The accompanying unaudited condensed consolidated financial statements and footnotes have been prepared in accordance with U.S. GAAP as contained in the Financial Accounting Standards Board (FASB) Accounting Standards Codification (the "Codification" or "ASC) for interim financial information and Article 10 of Regulation S-X issued by the SEC. Accordingly, they do not include all the information and footnotes required by U.S. GAAP for annual fiscal reporting periods. In the opinion of management, the interim financial information includes all adjustments of a normal recurring nature necessary for a fair presentation of the results of operations, financial position, changes in equity and cash flows. The results of operations for the three months ended March 31, 2010, are not necessarily indicative of results that may be expected for the year ending December 31, 2010. The accompanying condensed consolidated financial statements are unaudited and should be read in conjunction with the 2009 audited consolidated financial statements and notes thereto, which appear beginning on page F-2 of the Registration Statement.

        Certain prior year amounts have been reclassified to conform to the current year's presentation. These reclassifications had no material effect on the Company's previously reported consolidated financial position, results of operations or cash flows.

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FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Continued)

(Unaudited)

NOTE 3—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

Concentration of Credit Risk

        The Company derives the largest portion of its electricity and REC revenues from a small number of customers. Revenues by major customer were as follows (in thousands, except percentages):

 
  Three months ended  
 
  March 31, 2009   March 31, 2010  

ISO New England

  $ 1,468     13 % $ 5,228     28 %

Southern California Public Power Authority (SCPPA)

            4,089     22  

Maui Electric Company

    2,474     22     2,359     13  

New Brunswick Power Corporation

    1,877     16     2,339     12  

Hess Corporation

    1,748     15     344     2  

NY ISO

    1,367     12     584     3  
                   

    8,934     78     14,943     80  

Revenues from all other customers

    2,447     22     3,782     20  
                   

  $ 11,381     100 % $ 18,725     100 %
                   

Fair Value of Financial Instruments

        The carrying amounts of debt are comparable to market as the instruments generally bear interest at variable rates. The Wind Acquisition Loans (as defined) mature during 2010 and 2011, and the remainder of the variable interest rate loans were executed during 2009. The CSSW Loan (as defined) was executed in July 2009, and the First Wind Term Loan (as defined) was executed in March 2010. The carrying value of the loans approximate the fair market value of the loans as they have fixed interest rates and interest rates have not fluctuated significantly since the loans were made.

Unit-based Compensation

        The Company accounts for Series B Units awarded to employees by expensing the grant-date fair value of each award over its three-year vesting period. During the three months ended March 31, 2009 and 2010, the Company recorded compensation expense related to these awards as follows (in thousands):

 
  Three Months Ended
March 31,
 
 
  2009   2010  

Project operating expenses

  $ 391   $ 48  

Project development

    279     505  

General and administrative

    1,531     1,572  
           

  $ 2,201   $ 2,125  
           

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FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Continued)

(Unaudited)

NOTE 3—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Continued)

Significant New Accounting Policies

        In January 2010, the Company adopted new FASB guidance on fair value measurements and disclosures which requires entities to provide new disclosures and clarify existing disclosures relating to fair value measurements. The new disclosures and clarifications of existing disclosures are effective for interim and annual reporting periods beginning after December 15, 2009, except for the disclosures about purchases, sales, issuances, and settlements in Level 3 fair value measurements, which are effective for fiscal years beginning after December 15, 2010 and for interim periods within those fiscal years. The adoption of this guidance had no material impact on the Company's financial position, results of operations or cash flows.

        In October 2009, the FASB issued new standards for revenue recognition with multiple deliverables. These new standards impact the determination of when the individual deliverables included in a multiple-element arrangement may be treated as separate units for accounting purposes. Additionally, these new standards modify the manner in which the transaction consideration is allocated across the separately identified deliverables by no longer permitting the residual method of allocating arrangement consideration. These new standards are required to be adopted in the first quarter of 2011; however, the Company elected to adopt these standards effective January 1, 2010. The adoption of these new standards had no material impact on the Company's consolidated financial position, results of operations or cash flows.

NOTE 4—NONCONTROLLING INTERESTS AND TAX EQUITY TRANSACTIONS

        Noncontrolling interests in subsidiaries are comprised of the following as of December 31, 2009 and March 31, 2010 (in thousands):

 
  December 31,
2009
  March 31,
2010
 

Noncontrolling interest attributable to:

             
 

Tax equity investors

  $ 212,915   $ 199,696  
 

Other subsidiary equity ownership interests

    (19,564 )   (17,860 )
           

Total noncontrolling interest

  $ 193,351   $ 181,836  
           

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FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Continued)

(Unaudited)

NOTE 5—PROPERTY, PLANT AND EQUIPMENT, NET

        Property, plant and equipment are comprised of the following as of December 31, 2009 and March 31, 2010 (in thousands):

 
  December 31,
2009
  March 31,
2010
 

Land

  $ 9,549   $ 9,549  

Land and leasehold improvements

    24,591     27,761  

Furniture, fixtures, vehicles and other

    11,236     11,772  

Asset retirement obligations

    7,828     8,363  

Wind power generation equipment

    957,237     894,855  
           

    1,010,441     952,300  

Accumulated depreciation

    (59,831 )   (72,874 )
           

  $ 950,610   $ 879,426  
           

        Section 1603 of the ARRA provides for the U.S. Treasury Secretary to provide cash grants to eligible renewable energy projects in lieu of the production tax credit or the investment tax credit. The Company received proceeds from this grant program in the aggregate amount of $120.1 million in March 2010 for its Milford I project. Proceeds were applied against property, plant and equipment on the balance sheet and are shown as financing activity on the statement of cash flows. The proceeds from this grant were used to retire the redeemable interest in subsidiary that was outstanding at December 31, 2010.

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FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Continued)

(Unaudited)

NOTE 6—DEBT

        The Company had the following loans outstanding as of December 31, 2009 and March 31, 2010 (in thousands except percentages):

 
  Interest rate    
  Balance  
 
  December 31,
2009
  March 31,
2010
  Final
Maturity
  December 31,
2009
  March 31,
2010
 

Turbine Supply Loan

                         
 

Wind Acquisition Loan

  4.99%   5.00%   2010-2011   $ 197,868   $ 135,000  
 

Wind Acquisition IV Loan

  4.99%   5.00%   2011     43,064     43,064  

Construction Loans

                         
 

Milford I

  3.49%   N/A   2010     146,002      
 

Stetson II

  3.68%   3.68%   2010     2,197     8,131  

Term Loans

                         
 

North Shore Note

  4.99%   N/A   2010     7,200      
 

Maine Wind Loan

  3.05%   3.09%   2022     14,197     13,528  
 

New York Wind Loan

  4.26%   4.30%   2012     50,000     44,922  
 

CSSW Loan

  14.00%   14.00%   2018     122,021     120,760  
 

Stetson Holdings Loan

  3.68%   3.68%   2016     68,000     68,000  
 

First Wind Term Loan

  N/A   17.00%   2013         77,320  

Other

                         
 

Construction equipment loan

  7.65%   7.65%   2013     4,944     4,735  
 

Vehicle loans

  0.00%-11.30%   0.00%-11.28%   2010-2013     840     974  
                       

Gross Indebtedness

    656,333     516,434  

Unamortized Discount

    (24,287 )   (22,266 )
                       

Carrying Value

    632,046     494,168  

Debt with maturities less than one year

    109,238     103,651  
                       

Total long-term debt

  $ 522,808   $ 390,517  
                       

        First Wind Acquisition, LLC.    The Company, through First Wind Acquisition, LLC, a wholly-owned subsidiary, entered into a secured term loan facility (the Wind Acquisition Loan) with HSH Nordbank AG (HSH), New York Branch. In March 2010, approximately $62.3 million of the Wind Acquisition Loan was repaid with $61.0 million of this amount being paid with proceeds from the First Wind Term Loan (as defined below). Approximately $81.9 million of the Wind Acquisition Loan matures prior to July 1, 2010, with the remainder maturing in 2011. The North Shore Note was repaid in March 2010.

        The Wind Acquisition Loan is secured by the assets, comprised of turbine deposits and turbine contracts, of First Wind Acquisition, LLC and the development assets, contracts and membership interests of the Company's KWP II, Rollins and Oakfield projects. It is also secured by a pledge of the Company's equity interest in First Wind Acquisition, LLC. Additionally, principal amortization amounts are subject to adjustment upon the occurrence of certain events, including completion of an initial public offering.

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FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Continued)

(Unaudited)

NOTE 6—DEBT (Continued)

        First Wind Acquisition IV, LLC.    The Company, through First Wind Acquisition IV, LLC, a wholly-owned subsidiary, entered into a secured term loan facility (the Wind Acquisition IV Loan) with HSH for the procurement of Clipper wind turbine generators and related equipment.

        The Wind Acquisition IV Loan is secured by the assets, comprised of turbine deposits and turbine contracts, of First Wind Acquisition IV, LLC and the assets, comprised of development assets and construction contracts, and membership interests of the Company's Sheffield and Steel Winds II projects. It is also secured by a pledge of First Wind's equity interest in First Wind Acquisition IV, LLC and certain other subsidiaries and by a pledge of First Wind O&M, LLC's interest in the O&M Agreements with certain subsidiaries of First Wind. The Company also guarantees the Wind Acquisition IV Loan and has pledged many of its assets as security for such guarantee, including all of its accounts, investment property, certain contracts and its equity interests in certain of its subsidiaries as security for such guarantee (including First Wind Acquisition, LLC, First Wind Acquisition IV, LLC, First Wind Vermont Holdings, LLC, Hawaii Holdings, LLC, Hawaii Wind Partners, LLC, First Wind Maine Holdings, LLC and Mars Hill Partners, LLC). It also is secured by a second lien on the membership interests of CSSW, LLC, New York Wind III, LLC, CSSW Cohocton Holdings, LLC and CSSW Stetson Holdings, LLC, which second lien is subordinate to repayment of the CSSW loan discussed further below.

        New York Wind Loan.    The Company, through New York Wind, LLC, an indirect subsidiary of First Wind, entered into a secured promissory note (New York Wind Loan) with Norddeutsche Landesbank Girozentrale, New York Branch, and HSH. The New York Wind Loan is secured by a pledge of First Wind's interest in New York Wind, LLC and its subsidiaries, as well as by the assets of New York Wind, LLC and its subsidiaries, including Cohocton I.

        CSSW.    During July and September 2009, the Company completed a transaction with affiliates of Alberta Investment Management Corporation (AIMCO) (CSSW Loan).

        The CSSW loan is secured by a pledge of the membership interests of CSSW, LLC, New York Wind III, LLC (the indirect owner of the Steel Winds I project) and CSSW Cohocton Holdings, LLC (the indirect owner of the Cohocton project) and CSSW Stetson Holdings (the indirect owner of the Stetson I project and Stetson II project). Repayment is guaranteed by CSSW Holdings, LLC and CSSW, LLC.

        The Company received an additional $15 million in April 2010 under the CSSW Loan for Stetson Holdings.

        Stetson Holdings, LLC.    In December 2009, the Company's Stetson I and Stetson II projects entered into a financing construction and term facility (Stetson Holdings Loan) for $116.3 million with BNP Paribas and a participant lender. The Stetson Holdings Loan is secured by a pledge of First Wind's interests in Stetson Holdings, LLC and its subsidiaries and all the assets of both the Stetson I and Stetson II projects. Certain payment obligations relating to disallowances of government grants, if any, are guaranteed by First Wind.

        First Wind Term Loan.    On March 23, 2010, First Wind entered into a term loan facility (First Wind Term Loan) for $77.3 million with an affiliate of Credit Suisse as administrative agent. Interest accrues monthly at a 17% annual rate (minimum of 7% cash or higher at the Company's election, with

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FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Continued)

(Unaudited)

NOTE 6—DEBT (Continued)


the remainder payable in kind) compounding semi-annually, and is payable semi-annually in arrears. The First Wind Term Loan is currently secured by a pledge of the Company's interest in its CSSW Holdings, LLC subsidiary. Upon the occurrence of certain events, the First Wind Term Loan will be secured by pledge of First Wind's indirect interests in its material subsidiaries. The First Wind Term Loan is subordinated in all respects to the First Wind LC Facility (as defined below) and First Wind's guarantee of the Wind Acquisition IV Loan. Until the repayment of the Wind Acquisition IV Loan, the subordination terms cap cash interest payments at 13% per year and limit First Wind's ability to make principal payments on the First Wind Term Loan. The First Wind Term Loan is subject to mandatory prepayment under certain conditions and contains covenants, including covenants with respect to reporting requirements and limitations on permitted indebtedness, permitted liens and member distributions, as well as various others. The First Wind Term Loan matures on March 22, 2013.

        First Wind LC Facility.    On March 23, 2010, simultaneously with execution of the First Wind Term Loan, a subsidiary of First Wind entered into a $50 million letter of credit facility (First Wind LC Facility) with The Royal Bank of Scotland Plc as administrative agent and fronting bank; RBS Securities Inc. as arranger and bookrunner and affiliates of Credit Suisse, Morgan Stanley, Goldman Sachs and Deutsche Bank as joint bookrunners. The First Wind LC Facility is guaranteed by First Wind and a subsidiary of First Wind that indirectly owns Milford I, Milford II and future expansions of such projects. The First Wind LC Facility is subject to a letter of credit fee of 4.50% on letters of credit issued and a 1.125% per annum commitment fee on the unutilized balance of the facility. Upon the occurrence of certain events, the First Wind LC Facility will be secured by a pledge of First Wind's interests in its material subsidiaries. The First Wind LC Facility is senior in all respects to the First Wind Term Loan but First Wind's guaranty of the First Wind LC Facility is subordinated to the Wind Acquisition IV Loan that is also guaranteed by First Wind. Until the repayment of the Wind Acquisition IV Loan, the subordination terms limit the payments that can be made by First Wind under the guaranty of the First Wind LC Facility to $15 million. The First Wind LC Facility contains covenants, including covenants with respect to reporting requirements and limitations on permitted indebtedness, permitted liens and member distributions, as well as various others. The First Wind LC Facility matures on March 23, 2012, but can be extended to March 23, 2013 upon the occurrence of certain events.

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FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Continued)

(Unaudited)

NOTE 7—DERIVATIVE FINANCIAL INSTRUMENTS

        In the normal course of business, the Company employs a variety of financial instruments to manage its exposure to fluctuations in interest rates and energy and energy-related commodities. The Company does not apply hedge accounting to these instruments and records changes in fair value related to derivative financial instruments in the consolidated statements of operations. The following tables reflect the amounts that are recorded in the Company's condensed consolidated balance sheets as of December 31, 2009 and March 31, 2010 (in thousands):

 
  December 31, 2009   March 31, 2010  
 
  Interest
Rate
Derivatives
  Commodity
Derivatives
  Total   Interest
Rate
Derivatives
  Commodity
Derivatives
  Total  

Assets

                                     
 

Current derivative assets

  $ 1   $ 9,149   $ 9,150   $   $ 12,502   $ 12,502  
 

Long-term derivative assets

    193     37,445     37,638     111     47,913     48,024  
                           
 

Total assets

  $ 194   $ 46,594   $ 46,788   $ 111   $ 60,415   $ 60,526  
                           

Liabilities

                                     
 

Current derivative liabilities

  $ 656   $ 2,793   $ 3,449   $ 585   $ 3,009   $ 3,594  
 

Long-term derivative liabilities

    1,216     8,981     10,197     2,087     8,153     10,240  
                           
 

Total liabilities

  $ 1,872   $ 11,774   $ 13,646   $ 2,672   $ 11,162   $ 13,834  
                           

        The following tables reflect the amounts that are recorded in the Company's condensed consolidated statements of operations for the three months ended March 31, 2009 and 2010 related to derivative financial instruments (in thousands):

 
  Three months ended
March 31, 2009
  Three months ended
March 31, 2010
 
 
  Interest
Rate
Derivatives
  Commodity
Derivative
Instruments
  Total   Interest
Rate
Derivatives
  Commodity
Derivative
Instruments
  Total  

Revenues:

                                     
   

Net cash settlements

  $   $ 6,140   $ 6,140   $   $ 3,660   $ 3,660  
   

Fair value changes

        20,293     20,293         14,432     14,432  
                           

        26,433     26,433         18,092     18,092  

Other operating expenses:

                                     
 

Other Income

                                     
   

Fair value changes

    (1,027 )       (1,027 )   (882 )       (882 )

Interest expense, net of capitalized interest

                                     
   

Net cash settlements

                (106 )       (106 )
                           

  $ (1,027 ) $ 26,433   $ (25,406 ) $ (988 ) $ 18,092   $ 17,104  
                           

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FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Continued)

(Unaudited)

NOTE 8—FAIR VALUE MEASUREMENTS

        The Company holds interest rate and commodity price swaps that are carried at fair value. The Company determines fair value based upon quoted prices when available or through the use of alternative approaches when market quotes are not readily accessible or available.

        Valuation techniques for fair value are based upon observable and unobservable inputs. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company's best estimate, considering all relevant information. These valuation techniques involve some level of management estimation and judgment. The valuation process to determine fair value also includes making appropriate adjustments to the valuation model outputs to consider risk factors. The fair value hierarchy of the Company's inputs used to measure the fair value of assets and liabilities during the current period consists of three levels:

        Level 2 instruments require modeling for valuation in which significant valuation inputs come from the market. The Company uses current market information as of the measurement date, such as crude oil future prices and Eurodollar interest rate contracts traded on a major exchange, to calculate the fair value of the derivative instruments.

        If inputs used to measure an asset or liability fall within different levels of the hierarchy, the categorization is based on the least observable input that is significant to the fair value measurement of the asset or liability. The Company's assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the asset or liability.

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FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Continued)

(Unaudited)

NOTE 8—FAIR VALUE MEASUREMENTS (Continued)

        In accordance with the fair value hierarchy described above, the following table shows the fair value of the Company's financial assets and liabilities that are required to be measured at fair value as of December 31, 2009 and March 31, 2010 (in thousands):

 
  March 31, 2010  
 
  Fair Value Measurements Using    
 
 
  Level 1   Level 2   Level 3   Total  

Assets:

                         
 

Interest rate derivatives

  $   $ 111   $   $ 111  
 

Commodity price swap derivatives

            60,415     60,415  
                   

  $   $ 111   $ 60,415   $ 60,526  
                   

Liabilities:

                         
 

Interest rate derivatives

  $   $ 2,672   $   $ 2,672  
 

Commodity price swap derivatives

        11,162         11,162  
                   

  $   $ 13,834   $   $ 13,834  
                   

        The following table sets forth a reconciliation of changes in the fair value of derivative instruments classified as Level 3 in the fair value hierarchy for the quarter ended March 31, 2010 (in thousands):

Balance as of December 31, 2009

  $ 46,594  
 

Net unrealized gains included in earnings

    13,821  
       

Balance as of March 31, 2010

  $ 60,415  
       

Changes in unrealized gains relating to derivatives still held as of March 31, 2010

  $ 13,821  
       

NOTE 9—RELATED PARTY TRANSACTIONS

Unit Redemption Agreement

        In March 2010, the Company met all conditions with respect to an earn-out due under a unit redemption agreement and, accordingly, made a payment of $4.5 million to one of its members.

NOTE 10—COMMITMENTS AND CONTINGENCIES

Power Purchase Agreements

        The Company's Steel Winds I subsidiary had a power purchase agreement (PPA) that expired on December 31, 2009. The Company signed a new 5-year PPA, in January 2010, for the sale of the generated energy, RECs, capacity and ancillary services.

        In February 2010, First Wind received approximately $232 million prepayment for energy under our Milford I PPA, which is recorded as deferred revenue. The Company recognizes revenue for guaranteed generation under the Milford I PPA as generated, utilizing a straight-line price based on the

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FIRST WIND HOLDINGS, LLC AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements (Continued)

(Unaudited)

NOTE 10—COMMITMENTS AND CONTINGENCIES (Continued)


prepayment it has received for guaranteed energy. The Company is contractually obligated to deliver a minimum amount of energy to SCPPA in connection with the prepayment. In the event the Company does not deliver the contractual amount of energy, the Company may be required to purchase and deliver replacement energy.

Letters of Credit

        The Company's customers and vendors and regulatory agencies often require the Company to post letters of credit in order to guarantee performance under relevant contracts and agreements. The Company is also required to post letters of credit to secure obligations under various swap agreements and leases and may, from time to time, decide to post letters of credit in lieu of cash deposits in reserve accounts under certain financing arrangements. The amount that can be drawn under some of these letters of credit may be increased from time to time subject to the satisfaction of certain conditions. The Company is contingently liable for performance under letters of credit totaling $40.5 million and $40.0 million as of December 31, 2009 and March 31, 2010, respectively.

        The Company's Steel Winds I project entered into a $3.5 million letter of credit facility with HSH. The letters of credit issued under this facility are guaranteed by First Wind and secured by the assets of Niagara Wind Power, LLC.

Legal Proceedings

        The Company is involved from time to time in litigation and disputes arising in the normal course of business, including proceedings contesting our permits or the operation of our projects. Management does not believe the following proceedings will, if determined adversely, have a material adverse effect on the financial condition, results of operations and liquidity of the Company.

        Some residents near our Mars Hill project recently commenced litigation against us based on the Company's construction and operation of this project. While the outcome of this litigation cannot be predicted, the Company believes it will not have a material adverse effect on its financial position, results of operations or cash flows.

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GRAPHIC

Blue areas represent states in which we have projects in operation or in various stages of development or to which we sell power. Our ability to complete our projects as planned is subject to risks and uncertainties. See "Risk Factors."


Table of Contents

          Shares

GRAPHIC

First Wind Holdings Inc.

Class A Common Stock



PROSPECTUS



          , 2010

        Until                        (25 days after the commencement of this offering), all dealers that buy, sell or trade the Class A common stock may be required to deliver a prospectus, regardless of whether they are participating in this offering. This is in addition to the dealers' obligation to deliver a prospectus when acting as underwriters and with respect to their unsold allotments or subscriptions.



PART II

INFORMATION NOT REQUIRED IN THE PROSPECTUS

Item 13.    Other Expenses of Issuance and Distribution

        Set forth below are the expenses (other than underwriting discounts and commissions) expected to be incurred in connection with the issuance and distribution of the securities registered hereby. With the exception of the SEC registration fee and the FINRA filing fee, the amounts set forth below are estimates.

SEC registration fee

  $ 17,685  

Legal fees and expenses*

       

FINRA filing fee

    45,500  

Nasdaq listing fee*

       

Printing and engraving expenses*

       

Transfer agent's and registrar's fees*

       

Accounting fees and expenses*

       

Miscellaneous*

       
       

Total

  $    
       

*
To be provided by amendment.

Item 14.    Indemnification of Officers and Directors

        Our certificate of incorporation provides that a director will not be liable to the corporation or its stockholders for monetary damages for breach of fiduciary duty as a director, except for liability (1) for any breach of the director's duty of loyalty to the corporation or its stockholders, (2) for acts or omissions not in good faith or which involved intentional misconduct or a knowing violation of the law, (3) under section 174 of the DGCL for unlawful payment of dividends or improper redemption of stock or (4) for any transaction from which the director derived an improper personal benefit. In addition, if the DGCL is amended to authorize the further elimination or limitation of the liability of directors, then the liability of a director of the corporation, in addition to the limitation on personal liability provided for in our certificate of incorporation, will be limited to the fullest extent permitted by the amended DGCL. Our bylaws provide that the corporation will indemnify, and advance expenses to, any officer or director to the fullest extent authorized by the DGCL.

        Section 145 of the DGCL provides that a corporation may indemnify directors and officers as well as other employees and individuals against expenses, including attorneys' fees, judgments, fines and amounts paid in settlement in connection with specified actions, suits and proceedings whether civil, criminal, administrative, or investigative, other than a derivative action by or in the right of the corporation, if they acted in good faith and in a manner they reasonably believed to be in or not opposed to the best interests of the corporation and, with respect to any criminal action or proceeding, had no reasonable cause to believe their conduct was unlawful. A similar standard is applicable in the case of derivative actions, except that indemnification extends only to expenses, including attorneys' fees, incurred in connection with the defense or settlement of such action and the statute requires court approval before there can be any indemnification where the person seeking indemnification has been found liable to the corporation. The statute provides that it is not exclusive of other indemnification that may be granted by a corporation's certificate of incorporation, bylaws, disinterested director vote, stockholder vote, agreement or otherwise.

        Our certificate of incorporation also contains indemnification rights for our directors and our officers. Specifically, our certificate of incorporation provides that we shall indemnify our officers and

II-1



directors to the fullest extent authorized by the DGCL. Further, we may maintain insurance on behalf of our officers and directors against expense, liability or loss asserted incurred by them in their capacities as officers and directors.

        We have obtained directors' and officers' insurance to cover our directors, officers and some of our employees for certain liabilities.

        We will enter into written indemnification agreements with our directors and executive officers. Under these proposed agreements, if an officer or director makes a claim of indemnification to us, either a majority of the independent directors or independent legal counsel selected by the independent directors must review the relevant facts and make a determination whether the officer or director has met the standards of conduct under Delaware law that would permit (under Delaware law) and require (under the indemnification agreement) us to indemnify the officer or director.

Item 15.    Recent Sales of Unregistered Securities

        In connection with its formation in May 2008, First Wind Holdings Inc. issued one share of its common stock to First Wind Holdings, LLC. The share was issued in reliance upon an exemption from registration afforded by Section 4(2) of the Securities Act. No underwriters, brokers or finders were involved in this issuance. The single share was issued by First Wind Holdings Inc. to First Wind Holdings, LLC in order to form First Wind Holdings Inc. and did not involve a public offering, which would require registration under the Securities Act of 1933.

        Since January 1, 2007, First Wind Holdings, LLC has granted to directors, officers and employees an aggregate of 95,744,117 Series B Units (consisting of Series B-2, B-3 and B-4 Units), of which 23,695,334 such Series B Units have been forfeited or cancelled. The issuances of the Series B Units to directors, officers and employees were deemed to be exempt from registration under the Securities Act in reliance on Rule 701 as promulgated under the Securities Act.

        In addition, during the past three years, First Wind Holdings, LLC issued unregistered securities to the entities and persons described below. None of these transactions involved any underwriters or any public offerings, and we believe that each of these transactions was exempt from registration requirements pursuant to Section 3(a)(9) or Section 4(2) of the Securities Act of 1933, as amended. The recipients of the securities in these transactions represented their intention to acquire the securities for investment only and not with a view to or for sale in connection with any distribution thereof. The share numbers presented below do not give effect to the reorganization transactions described in the prospectus.

        During the fiscal year ended December 31, 2007, First Wind Holdings, LLC issued the following unregistered securities for the consideration listed:

Date
  Recipient   Securities Issued   Consideration
Received by First
Wind Holdings, LLC

January 3, 2007

 

UPC Wind Partners II, LLC

  1,026,812 Series A Units   $1,026,812

 

D. E. Shaw MWP Acquisition

  6,050,000 Series A Units   $6,050,000

 

    Holdings, L.L.C.

       

 

Madison Dearborn Capital

  6,050,000 Series A Units   $6,050,000

 

    Partners IV, L.P.

       

 

Paul Gaynor

  12,791 Series A Units   $12,791

 

Tim Rosenzweig

  12,791 Series A Units   $12,791

 

Steve Vavrik

  12,791 Series A Units   $12,791

March 15, 2007

 

Michael Alvarez

  183,743 Series A Units   $183,743

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        During the fiscal year ended December 31, 2008, First Wind Holdings, LLC issued the following unregistered securities for the consideration listed:

Date
  Recipient   Securities Issued   Consideration
Received by First
Wind Holdings, LLC

February 22, 2008

 

UPC Wind Partners II, LLC

  152,527 Series A Units  

$152,527

May 3, 2008

 

UPC Wind Partners II, LLC

  1,684,916 Series A Units  

Conversion of $1,684,916 loan

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  10,786,422 Series A Units  

Conversion of $10,786,422 loan

 

Madison Dearborn Capital Partners IV, L.P.

  10,786,422 Series A Units  

Conversion of $10,786,422 loan

 

Paul Gaynor

  33,381 Series A Units  

Conversion of $33,381 loan

 

Tim Rosenzweig

  33,381 Series A Units  

Conversion of $33,381 loan

 

Michael Alvarez

  73,226 Series A Units  

Conversion of $73,226 loan

 

Steve Vavrik

  33,381 Series A Units  

Conversion of $33,381 loan

May 27, 2008

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  22,059,000 Series B Units  

Purchasing of Series A Units

 

Madison Dearborn Capital Partners IV, L.P.

  22,059,000 Series B Units  

Purchasing of Series A Units

May 29, 2008

 

UPC Wind Partners II, LLC

  1,710,797 Series A Units  

$1,710,797

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  10,080,048 Series A Units  

$10,080,048

 

Madison Dearborn Capital Partners IV, L.P.

  10,080,048 Series A Units  

$10,080,048

June 13, 2008

 

UPC Wind Partners II, LLC

  3,190,518 Series A Units  

$3,499,358

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  20,618,280 Series A Units  

$20,618,280

 

Madison Dearborn Capital Partners IV, L.P.

  20,618,280 Series A Units  

$20,618,280

June 27, 2008

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  10,538,232 Series A Units  

$10,538,232

 

Madison Dearborn Capital Partners IV, L.P.

  10,538,232 Series A Units  

$10,538,232

July 8, 2008

 

UPC Wind Partners II, LLC

  308,840 Series A Units  

$308,840

July 14, 2008

 

UPC Wind Partners II, LLC

  1,630,710 Series A Units  

$1,630,710

August 8, 2008

 

UPC Wind Partners II, LLC

  157,852 Series A Units  

$157,852

September 5, 2008

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  3,665,472 Series A Units  

$3,665,472

 

Madison Dearborn Capital Partners IV, L.P.

  3,665,472 Series A Units  

$3,665,472

September 19, 2008

 

UPC Wind Partners II, LLC

  622,107 Series A Units  

$622,107

October 3, 2008

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  6,872,760 Series A Units  

$6,872,760

 

Madison Dearborn Capital Partners IV, L.P.

  6,872,760 Series A Units  

$6,872,760

October 31, 2008

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  3,390,562 Series A Units  

$3,390,562

November 7, 2008

 

Madison Dearborn Capital Partners IV, L.P.

  1,516,870 Series A Units  

$1,516,870

November 14, 2008

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  6,419,438 Series A Units  

$6,419,438

 

Madison Dearborn Capital Partners IV, L.P.

  8,293,130 Series A Units  

$8,293,130

II-3


Date
  Recipient   Securities Issued   Consideration
Received by First
Wind Holdings, LLC

November 26, 2008

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  2,582,523 Series A Units  

$2,582,523

 

Madison Dearborn Capital Partners IV, L.P.

  2,582,523 Series A Units  

$2,582,523

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  1,291,262 Series A Units  

$1,291,262

 

Madison Dearborn Capital Partners IV, L.P.

  1,291,262 Series A Units  

$1,291,262

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  112,126,216 Series A Units  

$112,126,216

 

Madison Dearborn Capital Partners IV, L.P.

  112,126,216 Series A Units  

$112,126,216

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  30,000,000 Series A-1 Units  

$30,000,000

 

Madison Dearborn Capital Partners IV, L.P.

  30,000,000 Series A-1 Units  

$30,000,000

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  37,000,000 Series A Units  

$37,000,000

 

Madison Dearborn Capital Partners IV, L.P.

  37,000,000 Series A Units  

$37,000,000

        Since December 31, 2008, First Wind Holdings, LLC issued the following unregistered securities for the consideration listed:

Date
  Recipient   Securities Issued   Consideration
Received by First
Wind Holdings, LLC

January 30, 2009

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  16,000,000 Series A-1 Units  

$16,000,000

 

Madison Dearborn Capital Partners IV, L.P.

  16,000,000 Series A-1 Units  

$16,000,000

February 26, 2009

 

D. E. Shaw MWP Acquisition Holdings, L.L.C.

  54,000,000 Series A-1 Units  

$54,000,000

 

Madison Dearborn Capital Partners IV, L.P.

  54,000,000 Series A-1 Units  

$54,000,000

April 13, 2009

 

UPC Wind Partners II, LLC

  3,033,303 Series A-1 Units  

Issued under Unit Redemption Agreement

July 17, 2009

 

PIP3PX FirstWind LLC Ltd.

  16,088,750 Series A-2 Units  

$6,238,413

 

PIP3GV FirstWind LLC Ltd.

  28,789,215 Series A-2 Units  

$11,163,018

December 15, 2009

 

UPC Wind Partners II, LLC

  1,466,697 Series A-1 Units  

Issued under Unit Redemption Agreement

II-4


Item 16.    Exhibits and Financial Statement Schedule

        The following exhibits are filed herewith pursuant to the requirements of Item 601 of Regulation S-K:

Exhibit
Number
  Description
  1.1 * Form of Underwriting Agreement.

 

2.1

*

Agreement and Plan of Merger among First Wind Holdings Inc., First Wind Holdings, LLC and First Wind Merger, LLC.

 

3.1

*

Form of Amended & Restated Certificate of Incorporation.

 

3.2

*

Form of Amended & Restated Bylaws.

 

5.1

*

Opinion of Davis Polk & Wardwell LLP.

 

10.1

**†

2009 Omnibus Agreement, dated November 25, 2009, among First Wind Energy, LLC, New York Wind, LLC, UPC Wind Acquisition IV, LLC, Niagara Wind Power, LLC, UPC Wind Acquisition V, LLC, Clipper Windpower, Inc., Clipper and Clipper Fleet Services, Inc.

 

10.2

**†

Amended and Restated Turbine Supply Agreement, dated December 31, 2007, between First Wind Acquisition IV, LLC (f/k/a UPC Wind Acquisition IV, LLC), as Purchaser, and Clipper Turbine Works, Inc., as Supplier.

 

10.3

**†

Amendment No. 1 to the Amended and Restated Turbine Supply Agreement and Amended and Restated Warranty Agreement, dated December 30, 2008, between Clipper and UPC Wind Acquisition IV, LLC.

 

10.4

**†

Amendment No. 2 to the Amended and Restated Turbine Supply Agreement and Amended and Restated Warranty Agreement, dated April 22, 3009, between Clipper and UPC Wind Acquisition IV, LLC.

 

10.5

**

Assignment and Assumption Agreement, dated April 22, 2009, between First Wind Acquisition IV, LLC and Milford Wind Corridor Phase I, LLC.

 

10.6

**

Power Purchase Contract for as Available Energy, dated December 3, 2004, between Maui Electric Company, Limited, as Buyer, and Kaheawa Wind Power LLC, as Seller.

 

10.7

**†

Energy Management Services Agreement, dated July 31, 2006, between Evergreen Wind Power, LLC, as Seller, and New Brunswick Power Generation Corporation, as Buyer.

 

10.8

**

Power Purchase Agreement, dated March 16, 2007, between Southern California Public Power Authority, as Buyer, and Milford Wind Corridor Phase I, LLC, as Seller.

 

10.9

**

First Amendment to Power Purchase Agreement, dated January 16, 2009, between Southern California Public Power Authority, as Buyer, and Milford Wind Corridor Phase I, LLC, as Seller.

 

10.10

**†

Fourth Amended and Restated Secured Promissory Note, dated July 17, 2009, by First Wind Acquisition, LLC for the benefit of HSH Nordbank AG, New York Branch.

 

10.11

**†

Amendment No. 1 to Fourth Amended and Restated Secured Promissory Note, dated November 30, 2009, between First Wind Acquisition, LLC for the benefit of HSH Nordbank AG, New York Branch.

II-5


Exhibit
Number
  Description
  10.12 **† Amendment No. 2 to Fourth Amended and Restated Secured Promissory Note, dated December 22, 2009, between First Wind Acquisition, LLC for the benefit of HSH Nordbank AG, New York Branch.

 

10.13

**†

Second Amended and Restated Secured Promissory Note, dated July 17, 2009, by First Wind Acquisition IV, LLC for the benefit of HSH Nordbank AG, New York Branch.

 

10.14

**†

Second Amended and Restated Guaranty, dated July 17, 2009, by First Wind Holdings, LLC for the benefit of HSH Nordbank AG, New York Branch.

 

10.15

**

Amendment No. 1 to Second Amended and Restated Guaranty, dated November 30, 2009, between First Wind Holdings, LLC and HSH Nordbank AG, New York Branch.

 

10.16

**

Amendment No. 2 to Second Amended and Restated Guaranty, dated December 22, 2009, between First Wind Holdings, LLC and HSH Nordbank AG, New York Branch.

 

10.17

**†

Amended and Restated Credit Agreement, dated December 22, 2009, among CSSW, LLC, CSSW Holdings, LLC, the Lenders party thereto, and Wells Fargo Bank, National Association.

 

10.18

**

Intercreditor Agreement, dated July 17, 2009, between Wells Fargo Bank, National Association and HSH Nordbank AG, New York Branch.

 

10.19

**

Amendment No. 1 to Intercreditor Agreement, dated December 22, 2009, between Wells Fargo Bank, National Association and HSH Nordbank AG, New York Branch.

 

10.20

**

First Lien Guarantee and Security Agreement, dated July 17, 2009, among CSSW Holdings, LLC, CSSW, LLC and certain of its Subsidiaries in favor of Wells Fargo Bank, National Association.

 

10.21

**

Amendment No. 1 to First Lien Guarantee and Security Agreement, dated November 12, 2009, among CSSW Holdings, LLC, CSSW, LLC, PIP3PX FirstWind Debt Ltd., and PIP3GV FirstWind Debt Ltd., and Wells Fargo Bank, National Association.

 

10.22

**

Amendment No. 2 to First Lien Guarantee and Security Agreement, dated December 22, 2009, among CSSW Holdings, LLC, CSSW, LLC, PIP3PX FirstWind Debt Ltd., and PIP3GV FirstWind Debt Ltd., and Wells Fargo Bank, National Association.

 

10.23

**

Second Lien Guaranty and Security Agreement, dated July 17, 2009, among CSSW Holdings, LLC, CSSW, LLC, certain of its Subsidiaries, and HSH Nordbank AG, New York Branch.

 

10.24

**

Amendment No. 1 to Second Lien Guaranty and Security Agreement, dated November 12, 2009, among CSSW Holdings, LLC, CSSW, LLC, and HSH Nordbank AG, New York Branch.

 

10.25

**

Amendment No. 2 to Second Lien Guaranty and Security Agreement, dated December 22, 2009, among CSSW Holdings, LLC, CSSW, LLC, and HSH Nordbank AG, New York Branch.

 

10.26

**†

Financing Agreement, dated December 22, 2009, among Stetson Holdings, LLC, BNP Paribas, HSH Nordbank AG, New York Branch, and the Lender parties thereto.

 

10.27

**

Amendment No. 1 to Financing Agreement, dated December 29, 2009, between Stetson Holdings, LLC and BNP Paribas.

II-6


Exhibit
Number
  Description
  10.28 **† Amended and Restated Limited Liability Company Agreement of UPC Hawaii Wind Partners II, LLC, dated August 16, 2007.

 

10.29

**†

Equity Contribution and Purchase Agreement, dated September 28, 2009, among Milford NHC, LLC, Milford Wind Holdings, LLC, Milford Wind Partners, LLC, and Stanton Equity Trading Delaware LLC.

 

10.30

**†

First Amended and Restated Limited Liability Company Agreement of Milford Wind Partners, LLC, dated September 28, 2009, between Milford NHC, LLC and Stanton Equity Trading Delaware LLC.

 

10.31

**†

Unit Redemption Agreement, dated April 28, 2006, between UPC Wind Partners II, LLC and UPC Wind Partners, LLC.

 

10.32

**†

Amendment Agreement to Unit Redemption Agreement, dated December 12, 2008, between First Wind Holdings, LLC and UPC Wind Partners II, LLC.

 

10.33

*

Form of Limited Liability Company Agreement of First Wind Holdings, LLC.

 

10.34

*

Form of Tax Receivable Agreement.

 

10.35

*

Form of Nominating Agreement.

 

10.36

*

Form of Registration Rights Agreement.

 

10.37

**

2009 Employee Bonus Plan.

 

10.38

*

LTIP.

 

10.39

**

Form of Non-Competition Agreement.

 

10.40

**

Form of Non-Solicitation and Non-Disclosure Agreement.

 

10.41

**

Form of Noncompetition, Confidentiality and Release Agreement.

 

10.42

**

Form of Restricted Unit Agreement.

 

10.43

**

Form of Restricted Unit Agreement.

 

10.44

**

Severance Pay Plan of First Wind Energy LLC.

 

10.45

*

Form of Indemnity Agreement.

 

10.46

**

Amendment Agreement No. 2 to Unit Redemption Agreement, dated March 18, 2010, between First Wind Holdings, LLC and UPC Wind Partners II, LLC.

 

10.47

*

Form of Exchange Agreement.

 

16.1

**

Letter of KPMG LLP.

 

21.1

*

List of subsidiaries.

 

23.1

 

Report and Consent of Ernst & Young LLP.

 

23.2

 

Report and Consent of KPMG LLP.

 

23.3

*

Consent of Davis Polk & Wardwell LLP (in Exhibit 5.1).

 

24.1

**

Power of Attorney.

II-7


Exhibit
Number
  Description
  24.2 ** Power of Attorney.

*
To be filed by amendment.

**
Previously filed.

Certain portions of this exhibit have been omitted by redacting a portion of the text (indicated by asterisks in the text). This exhibit has been filed separately with the Securities and Exchange Commission pursuant to a request for confidential treatment.

        The following schedule is filed herewith pursuant to the requirements of Regulation S-X:

Schedule
Number
  Description
  I   Condensed Parent Company Financial Information.

        All other schedules have been omitted because they are not required, are not applicable, or the information is included in the Consolidated Financial Statements or Notes thereto.

II-8



SCHEDULE I


First Wind Holdings, LLC


Condensed Parent Company Balance Sheets


(in thousands)

 
  December 31,  
 
  2008   2009  

Assets

             

Current assets:

             
 

Cash and cash equivalents

  $   $ 6,804  
 

Deferred financing costs, net

    2,311      
           
   

Total current assets

    2,311     6,804  

Noncurrent assets:

             
 

Investments in subsidiaries

    562,608     653,568  
           
   

Total assets

  $ 564,919   $ 660,372  
           

Liabilities and Members' Capital

             

Current liabilities:

             
 

Accounts payable and accrued expenses

  $ 72   $  
 

Current portion of long-term debt

    25,973      
 

Other liabilities

        4,350  
           
   

Total current liabilities

    26,045     4,350  

Members' capital:

             
 

First Wind Holdings, LLC members' capital

    670,484     847,251  
 

Accumulated deficit

    (131,610 )   (191,229 )
           
   

Total First Wind Holdings, LLC members' capital

    538,874     656,022  
           
   

Total liabilities and members' capital

  $ 564,919   $ 660,372  
           

II-9



SCHEDULE I


First Wind Holdings, LLC


Condensed Parent Company Statements of Operations


(in thousands)

 
  Years Ended December 31,  
 
  2007   2008   2009  

General and administrative

  $ 40   $ 4,445   $  
               

Total other operating expenses

    40     4,445      

Risk management activities related to non-operating projects

        685      

Interest expense (income)

    163     2,483     (45 )

Other income

    (158 )   (345 )    
               
 

Income (loss) before equity in undistributed losses of subsidiaries

    (45 )   (7,269 )   45  

Equity in undistributed losses of subsidiaries

    (68,026 )   (7,789 )   (59,664 )
               

Net loss

  $ (68,071 ) $ (15,058 ) $ (59,619 )
               

II-10



SCHEDULE I


First Wind Holdings, LLC


Condensed Parent Company Statements of Cash Flows


(in thousands)

 
  Years Ended December 31,  
 
  2007   2008   2009  

Cash flows from operating activities:

                   

Net Loss

  $ (68,071 ) $ (15,058 ) $ (59,619 )

Adjustments to reconcile net loss to net cash used by operating activities:

                   
 

Unrealized loss on derivative

    194     (194 )    
 

Equity in undistributed losses of subsidiaries

    68,026     6,589     59,664  
 

Amortization and write-offs of deferred financing costs

        2,347      

Changes in operating assets and liabilities:

                   
 

Accounts payable and accrued expenses

    2,010     (1,938 )   (72 )
 

Other assets

    560          
               
 

Net cash provided by (used) in operating activities

    2,719     (8,254 )   (27 )

Cash flows from investing activities:

                   
 

Investments in subsidiaries

    (207,178 )   (368,601 )   (130,470 )
               

Cash flows from financing activities:

                   
 

Deferred financing costs

    (4,189 )   (3,665 )    
 

Proceeds from borrowings

    133,577     172,548      
 

Proceeds from loans from related parties

    21,722          
 

Net proceeds received from subsidiaries

    33,455          
 

Repayment of borrowings

        (280,151 )   (25,973 )
 

Proceeds from capital contributions

    13,349     496,714     164,274  
 

Distribution to members

        (8,591 )   (1,000 )
               
 

Net cash provided by financing activities

    197,914     376,855     137,301  
               
 

Net increase (decrease) in cash and cash equivalents

    (6,545 )       6,804  

Cash and cash equivalents, beginning of year

    6,545          
               

Cash and cash equivalents, end of year

  $   $   $ 6,804  
               

Basis of Presentation

        First Wind Holdings, LLC is a holding company that conducts substantially all of its business operations through its subsidiaries. First Wind Holdings, LLC was formed in Delaware on January 2, 2002. Pursuant to tax equity financing transactions entered into by certain subsidiaries of First Wind Holdings, LLC, there are significant restrictions on the transfer of assets from these subsidiaries to First Wind Holdings, LLC. The restricted net assets represented more than 25% of First Wind Holdings, LLC's consolidated net assets as of December 31, 2009. Accordingly, the condensed financial statements of First Wind Holdings, LLC have been presented on an unconsolidated "parent-only" basis.

        Certain note disclosures normally included in financial statements prepared in accordance with U.S. generally accepted accounting principles have been omitted pursuant to the rules and regulations of the Securities and Exchange Commission. Because the unconsolidated condensed financial statements do not include all of the notes required by U.S. generally accepted accounting principles, they should be read in conjunction with the consolidated financial statements of First Wind Holdings, LLC included elsewhere in this registration statement on Form S-1.

II-11


Item 17.    Undertakings

        Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be permitted to directors, officers and controlling persons of the registrant pursuant to the provisions, or otherwise, the registrant has been advised that in the opinion of the SEC such indemnification is against public policy as expressed in the Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the registrant of expenses incurred or paid by a director, officer or controlling person of the registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Act and will be governed by the final adjudication of such issue.

        The undersigned registrant hereby undertakes to provide to the underwriters at the closing specified in the underwriting agreement certificates in such denominations and registered in such names as required by the underwriter to permit prompt delivery to each purchaser.

        The undersigned registrant hereby undertakes that:

II-12


II-13



SIGNATURES

        Pursuant to the requirements of the Securities Act of 1933, the Registrant has duly caused this Amendment No. 6 to Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Boston, Massachusetts, on May 13, 2010.

  FIRST WIND HOLDINGS INC.

 

By:

 

/s/ PAUL GAYNOR


      Name:   Paul Gaynor

      Title:   Chief Executive Officer

        Pursuant to the requirements of the Securities Act of 1933, the Amendment No. 6 to Registration Statement has been signed by the following persons in the capacities indicated below on May 13, 2010.

Signature
 
Capacity
 
Date

 

 

 

 

 

 

 
/s/ PAUL GAYNOR

Paul Gaynor
  Director and Chief Executive Officer
(Principal Executive Officer)
  May 13, 2010

/s/ MICHAEL ALVAREZ

Michael Alvarez

 

President and Chief Financial Officer
(Principal Financial Officer)

 

May 13, 2010

/s/ ANDREW URSITTI

Andrew Ursitti

 

Vice President and Chief Accounting
Officer (Principal Accounting Officer)

 

May 13, 2010

*

Richard Aube

 

Director

 

May 13, 2010

*

Patrick Eilers

 

Director

 

May 13, 2010

*

Peter Gish

 

Director

 

May 13, 2010

*

Stephen Key

 

Director

 

May 13, 2010

*

Bryan Martin

 

Director

 

May 13, 2010

II-14


Signature
 
Capacity
 
Date

 

 

 

 

 

 

 
*

Jim Mogg
  Director and Chairman of the Board   May 13, 2010

*

Matthew Raino

 

Director

 

May 13, 2010

*

Pat Wood, III

 

Director

 

May 13, 2010

*

 

/s/ PAUL GAYNOR

Paul Gaynor
(Attorney-in-Fact)

 

 

 

 

II-15



INDEX TO EXHIBITS

Exhibit
Number
  Description
  1.1 * Form of Underwriting Agreement.

 

2.1

*

Agreement and Plan of Merger among First Wind Holdings Inc., First Wind Holdings, LLC and First Wind Merger, LLC.

 

3.1

*

Form of Amended & Restated Certificate of Incorporation.

 

3.2

*

Form of Amended & Restated Bylaws.

 

5.1

*

Opinion of Davis Polk & Wardwell LLP.

 

10.1

**†

2009 Omnibus Agreement, dated November 25, 2009, among First Wind Energy, LLC, New York Wind, LLC, UPC Wind Acquisition IV, LLC, Niagara Wind Power, LLC, UPC Wind Acquisition V, LLC, Clipper Windpower, Inc., Clipper and Clipper Fleet Services, Inc.

 

10.2

**†

Amended and Restated Turbine Supply Agreement, dated December 31, 2007, between First Wind Acquisition IV, LLC (f/k/a UPC Wind Acquisition IV, LLC), as Purchaser, and Clipper Turbine Works, Inc., as Supplier.

 

10.3

**†

Amendment No. 1 to the Amended and Restated Turbine Supply Agreement and Amended and Restated Warranty Agreement, dated December 30, 2008, between Clipper and UPC Wind Acquisition IV, LLC.

 

10.4

**†

Amendment No. 2 to the Amended and Restated Turbine Supply Agreement and Amended and Restated Warranty Agreement, dated April 22, 3009, between Clipper and UPC Wind Acquisition IV, LLC.

 

10.5

**

Assignment and Assumption Agreement, dated April 22, 2009, between First Wind Acquisition IV, LLC and Milford Wind Corridor Phase I, LLC.

 

10.6

**

Power Purchase Contract for as Available Energy, dated December 3, 2004, between Maui Electric Company, Limited, as Buyer, and Kaheawa Wind Power LLC, as Seller.

 

10.7

**†

Energy Management Services Agreement, dated July 31, 2006, between Evergreen Wind Power, LLC, as Seller, and New Brunswick Power Generation Corporation, as Buyer.

 

10.8

**

Purchase Power Agreement, dated March 16, 2007, between Southern California Public Power Authority, as Buyer, and Milford Wind Corridor Phase I, LLC, as Seller.

 

10.9

**

First Amendment to Power Purchase Agreement, dated January 16, 2009, between Southern California Public Power Authority, as Buyer, and Milford Wind Corridor Phase I, LLC, as Seller.

 

10.10

**†

Fourth Amended and Restated Secured Promissory Note, dated July 17, 2009, by First Wind Acquisition, LLC for the benefit of HSH Nordbank AG, New York Branch.

 

10.11

**†

Amendment No. 1 to Fourth Amended and Restated Secured Promissory Note, dated November 30, 2009, between First Wind Acquisition, LLC for the benefit of HSH Nordbank AG, New York Branch.

 

10.12

**†

Amendment No. 2 to Fourth Amended and Restated Secured Promissory Note, dated December 22, 2009, between First Wind Acquisition, LLC for the benefit of HSH Nordbank AG, New York Branch.

 

10.13

**†

Second Amended and Restated Secured Promissory Note, dated July 17, 2009, by First Wind Acquisition IV, LLC for the benefit of HSH Nordbank AG, New York Branch.

II-16


Exhibit
Number
  Description
  10.14 **† Second Amended and Restated Guaranty, dated July 17, 2009, by First Wind Holdings, LLC for the benefit of HSH Nordbank AG, New York Branch.

 

10.15

**

Amendment No. 1 to Second Amended and Restated Guaranty, dated November 30, 2009, between First Wind Holdings, LLC and HSH Nordbank AG, New York Branch.

 

10.16

**

Amendment No. 2 to Second Amended and Restated Guaranty, dated December 22, 2009, between First Wind Holdings, LLC and HSH Nordbank AG, New York Branch.

 

10.17

**†

Amended and Restated Credit Agreement, dated December 22, 2009, among CSSW, LLC, CSSW Holdings, LLC, the Lenders party thereto, and Wells Fargo Bank, National Association.

 

10.18

**

Intercreditor Agreement, dated July 17, 2009, between Wells Fargo Bank, National Association and HSH Nordbank AG, New York Branch.

 

10.19

**

Amendment No. 1 to Intercreditor Agreement, dated December 22, 2009, between Wells Fargo Bank, National Association and HSH Nordbank AG, New York Branch.

 

10.20

**

First Lien Guarantee and Security Agreement, dated July 17, 2009, among CSSW Holdings, LLC, CSSW, LLC and certain of its Subsidiaries in favor of Wells Fargo Bank, National Association.

 

10.21

**

Amendment No. 1 to First Lien Guarantee and Security Agreement, dated November 12, 2009, among CSSW Holdings, LLC, CSSW, LLC, PIP3PX FirstWind Debt Ltd., and PIP3GV FirstWind Debt Ltd., and Wells Fargo Bank, National Association.

 

10.22

**

Amendment No. 2 to First Lien Guarantee and Security Agreement, dated December 22, 2009, among CSSW Holdings, LLC, CSSW, LLC, PIP3PX FirstWind Debt Ltd., and PIP3GV FirstWind Debt Ltd., and Wells Fargo Bank, National Association.

 

10.23

**

Second Lien Guaranty and Security Agreement, dated July 17, 2009, among CSSW Holdings, LLC, CSSW, LLC, certain of its Subsidiaries, and HSH Nordbank AG, New York Branch.

 

10.24

**

Amendment No. 1 to Second Lien Guaranty and Security Agreement, dated November 12, 2009, among CSSW Holdings, LLC, CSSW, LLC, and HSH Nordbank AG, New York Branch.

 

10.25

**

Amendment No. 2 to Second Lien Guaranty and Security Agreement, dated December 22, 2009, among CSSW Holdings, LLC, CSSW, LLC, and HSH Nordbank AG, New York Branch.

 

10.26

**†

Financing Agreement, dated December 22, 2009, among Stetson Holdings, LLC, BNP Paribas, HSH Nordbank AG, New York Branch, and the Lender parties thereto.

 

10.27

**

Amendment No. 1 to Financing Agreement, dated December 29, 2009, between Stetson Holdings, LLC and BNP Paribas.

 

10.28

**†

Amended and Restated Limited Liability Company Agreement of UPC Hawaii Wind Partners II, LLC, dated August 16, 2007.

 

10.29

**†

Equity Contribution and Purchase Agreement, dated September 28, 2009, among Milford NHC, LLC, Milford Wind Holdings, LLC, Milford Wind Partners, LLC, and Stanton Equity Trading Delaware LLC.

II-17


Exhibit
Number
  Description
  10.30 **† First Amended and Restated Limited Liability Company Agreement of Milford Wind Partners, LLC, dated September 28, 2009, between Milford NHC, LLC and Stanton Equity Trading Delaware LLC.

 

10.31

**†

Unit Redemption Agreement, dated April 28, 2006, between UPC Wind Partners II, LLC and UPC Wind Partners, LLC.

 

10.32

**†

Amendment Agreement to Unit Redemption Agreement, dated December 12, 2008, between First Wind Holdings, LLC and UPC Wind Partners II, LLC.

 

10.33

*

Form of Limited Liability Company Agreement of First Wind Holdings, LLC.

 

10.34

*

Form of Tax Receivable Agreement.

 

10.35

*

Form of Nominating Agreement.

 

10.36

*

Form of Registration Rights Agreement.

 

10.37

**

2009 Employee Bonus Plan.

 

10.38

*

LTIP.

 

10.39

**

Form of Non-Competition Agreement.

 

10.40

**

Form of Non-Solicitation and Non-Disclosure Agreement.

 

10.41

**

Form of Noncompetition, Confidentiality and Release Agreement.

 

10.42

**

Form of Restricted Unit Agreement.

 

10.43

**

Form of Restricted Unit Agreement.

 

10.44

**

Severance Pay Plan of First Wind Energy LLC.

 

10.45

*

Form of Indemnity Agreement.

 

10.46

**

Amendment Agreement No. 2 to Unit Redemption Agreement, dated March 18, 2010, between First Wind Holdings, LLC and UPC Wind Partners II, LLC.

 

10.47

*

Form of Exchange Agreement.

 

16.1

**

Letter of KPMG LLP.

 

21.1

*

List of subsidiaries.

 

23.1

 

Report and Consent of Ernst & Young LLP.

 

23.2

 

Report and Consent of KPMG LLP.

 

23.3

*

Consent of Davis Polk & Wardwell LLP (in Exhibit 5.1).

 

24.1

**

Power of Attorney.

 

24.2

**

Power of Attorney.

*
To be filed by amendment.

**
Previously filed.

Certain portions of this exhibit have been omitted by redacting a portion of the text (indicated by asterisks in the text). This exhibit has been filed separately with the Securities and Exchange Commission pursuant to a request for confidential treatment.

II-18