0001181431-08-037049 4 1 20080603 20080605 20080605 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 HAINES DENNIS 0001036420 PA 0331 4 34 001-32393 08882918 6034311780 ENVIRONMENTAL POWER CORP ONE CATE STREET PORTSMOUTH NH 03801 4 1 rrd209956.xml JUNE 2008 EQUITY GRANTS