EXHIBIT 11 Environmental Power Corporation Computation of Earnings Per Share September 30, 1996 FOR THE THREE MONTHS ENDED SEPTEMBER 30, 1996: - - ---------------------------------------------- Weighted average number of shares outstanding 11,176,211 =========== Net Income $ 900,837 =========== Earnings per share - primary and fully diluted $ .08 =========== FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1996: - - --------------------------------------------- Weighted average number of shares outstanding 11,288,493 =========== Net Income $ 2,027,734 =========== Earnings per share - primary and fully diluted $ .18 ===========