On March 11, 2009, Environmental Power Corporation (the "Company") filed a prospectus supplement, dated March 10, 2009, with the Securities and Exchange Commission (the "SEC") relating to a firm commitment underwritten public offering of $5,000,000 aggregate original principal amount of its 14% Convertible Notes due January 1, 2014 (the "Prospectus Supplement"). The Prospectus Supplement was filed pursuant to Rule 424(b)(5) under the Securities Act of 1933, as amended (the "Securities Act") and relates to the Company's Registration Statement on Form S-3 (SEC File No. 333-152807) and the prospectus, dated October 17, 2008, included therein, relating to the Company's offering, from time to time, of up to $50,000,000 original principal amount of its debt securities (the "Registration Statement").

The Prospectus Supplement includes a section entitled "Management's Discussion and Analysis of Financial Condition and Results of Operations - Preliminary Unaudited Financial Results for the Year Ended December 31, 2008" beginning on page S-39 thereof. Such section is filed as Exhibit 99.1 to this Current Report on Form 8-K and incorporated herein by reference.

This Current Report on Form 8-K does not constitute an offer to sell or the solicitation of an offer to buy any or our securities, and such securities cannot be sold in any state in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of such state.

The information in this Current Report on Form 8-K, including the exhibit hereto, shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.

(d) Exhibits

99.1   Section of Prospectus Supplement, dated March 10, 2009, entitled
       "Management's Discussion and Analysis of Financial Condition and Results of
       Operations - Preliminary Unaudited Financial Results for the Year Ended
       December 31, 2008" beginning on page S-39 thereof (incorporated by
       reference to the Company's Prospectus Supplement, dated March 10, 2009,
       filed with the SEC pursuant to Rule 424(b)(5) under the Securities Act (SEC
       File No. 333-152807)).