0001181431-08-061976 4 1 20081112 20081117 20081117 HAINES DENNIS 0001036420 PA 0331 4 34 001-32393 081194698 6034311780 ENVIRONMENTAL POWER CORP ONE CATE STREET PORTSMOUTH NH 03801 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 rrd223619.xml NOVEMBER 12, 2008 PURCHASE