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Old 04-28-2008, 12:31 PM   #3 (permalink)
dremd
EV OR DIESEL
 
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Not yet other than just in my head, was looking like around 10 years.

http://rredc.nrel.gov/solar/codes_al...ATTS/version1/

I am nearest Lake Charels, Louisiana on that map.

telling me that 2000 watt (nameplate) would give $208 per year in savings (at current rate of 7.9c per kwh)

So lets say $5 per watt (does that include grid tie inverter?) $10,000 *50% = $5,000

so $5000/$208(per year) leaves us with 24 years Can that be right? after a 50% credit?
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