Quote:
Originally Posted by chad86tsi
there is pay back in some places, but not all places. It's sunny here 144 days a year. Payback in a solar system is 35-40 years here with my specific use-case. The cells themselves last 25 - 30 years. I get no gravy and I 'd have to pay upfront for the privilege. My neighbor got a quote on his system, cost $47K and generates/offsets $100-140 a month. Breakeven is somewhere in the 30 year range. I have cheap power where I live, 6-7 cents per KWH, so that's a huge Factor.
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According to energysage, the average residental electric rate in portland, OR is $0.14/kwh. What are you doing to be less than half that?