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Those numbers are right in line with what I have found. The best quote I got was a 9.8kW system (30 panels that are 327w each) for a bit less than $37,000. I have several trees in the way (that will come down) so they had to estimate the output, and they used a pretty conservative number. Payoff is less than 7 years. We pay more than we do now for only the first 10-12 months and as soon as the SREC's start to come in (every quarter), we pay less, than we do now.
We would get a $0 down loan, and we can take a step down, be taking the federal tax credit and paying a lump sum to the loan, which re-amortizes it - saving us about $100/month.
We drive two EV's - and we are already saving about 50% on our cars, because even at our expensive electricity rates (about 20¢/kWh), we are paying only about 4.5¢/mile. After we get our solar PV system (I have to re-frame the entire roof, and take down the 3 trees), we should be lowering the cost of electricity by as much as 80% (without reducing what we use), so the cost per mile could be under a penny per mile.
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