"The $9.57 is the monthly service charge. Note that there are NO charges for kilowatt hours because our solar arrays generated more than we used, even late in the Vermont winter. It looks above as if our beginning and ending meter readings were the same; but, I suspect, that’s because the billing software can’t deal with a meter running backwards."
But the solar array is just the start for Tom Evslin. Next step is a geothermal ground source heat pump, and he hopes to someday charge a plug-in hybrid car from his solar panels. ::The Electric Bill I’ve Been Waiting For