Quote:
Originally Posted by Pinecone
And how much did those solar panels cost?
What is their life expectancy?
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After state and federal tax credits, about $17.5K. Ignoring the time value of money and escalating electricity rates ($0.25/kilowatt last year at this time and $0.35/kilowatt now), the payback period is about 4.5 years. Would be about 12 years without the tax credits.
Life expectancy: About 25-30 years with output warranted for 20 years.