0001181431-08-015232 4 1 20080228 20080303 20080303 WEISBERG ROBERT I 0001185772 4 34 001-32393 08659590 1855 NORMAN AVENUE SANTA CLARA CA 95054 ENVIRONMENTAL POWER CORP 0000805012 4991 042782065 DE 1231 ONE CATE STREET 4TH FLOOR PORTSMOUTH NH 03801 6034311780 ONE CATE STREET 4TH FLOOR PORTSMOUTH NH 03801 4 1 rrd197818.xml R WEISBERG FEBRUARY 28, 2008 SAR GRANT