mega watts, check this article <A HREF="http://biz.yahoo.com/ap/020416/solar_sheets_1.html#ap" target="_new">http://biz.yahoo.com/ap/020416/solar_sheets_1.html#ap</A> and ENER's web site <A HREF="http://www.ovonic.com/" target="_new">http://www.ovonic.com/</A> yes it does say ovonic but it is energy conversions web site Regards, Bruce