0001181431-08-053443 4 1 20080912 20080916 20080916 Kessner Steven 0001335840 4 34 001-32393 081074546 9147258568 16 PADDINGTON ROAD SCARSDALE NY 10583 ENVIRONMENTAL POWER CORP 0000805012 4991 042782065 DE 1231 120 WHITE PLAINS RD SUITE 610 TARRYTOWN NY 10591-5546 914-631-1435 120 WHITE PLAINS RD SUITE 610 TARRYTOWN NY 10591-5546 4 1 rrd218761.xml SEPTEMBER 12-15 PURCHASES