SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 20, 2001 --------------- Environmental Power Corporation ------------------------------- (Exact name of registrant as specified in its charter) Delaware 0-15472 04-2782065 ---------------------------- ------------ ------------------ (State of other jurisdiction (Commission (IRS Employer of incorporation) File Number) Identification No.) 500 Market Street, Suite 1-E, Portsmouth, New Hampshire 03801 (Address of principal executive offices) (603) 431-1780 (Registrant's telephone number, including area code) ITEM 5. OTHER EVENTS Martin A. Zelbow, a consultant, was named Interim Chief Financial Officer and Interim Treasurer of the Company and its subsidiaries on August 20, 2001. ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS (C) EXHIBITS None 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. ENVIRONMENTAL POWER CORPORATION August 20, 2001 /s/ Martin A. Zelbow -------------------------------- Martin A. Zelbow Interim Chief Financial Officer and Interim Treasurer (principal accounting officer and authorized officer) 3