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BrianG
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Join Date: Nov 2005
Location: Des Moines, IA
02.27.2010, 12:18 AM

According to the info here, 277.8w per square foot of energy is produced by the sun on a sunny day. If we can get even 50% efficiency, it wouldn't take a lot of square footage to get 1000w. Not a lot to be sure, but it's "free".
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