Solar cost & payback in New Hampshire
Short answer
In New Hampshire, a home with a $150/month electric bill needs about a 7 kW solar system — roughly $14,719 after the 30% federal tax credit, saving about $1,801/year and paying back in ~8.2 years.
System size
7 kW
Cost after 30% credit
$14,719
Payback
8.2 yrs
20-yr net savings
$31,287
Solar in New Hampshire
New Hampshire averages about 4 peak sun hours a day and pays roughly 22¢/kWh. The figures above assume a $150/month bill and ~$3/watt installed, with the 30% federal tax credit. A bigger bill needs a bigger system; shading, roof orientation, and net-metering rules change the payback.
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Frequently asked questions
How much do solar panels cost in New Hampshire?
For a $150/month bill, about a 7 kW system — roughly $21,026 before incentives, or $14,719 after the 30% federal tax credit. Larger bills need bigger, pricier systems.
Is solar worth it in New Hampshire?
New Hampshire gets about 4 peak sun hours a day and pays ~22¢/kWh. A typical system pays back in ~8.2 years and saves about $31,287 net over 20 years — a strong case.
What is the solar tax credit in New Hampshire?
The 30% federal Residential Clean Energy Credit applies everywhere, including New Hampshire — about $6,308 on the example system. New Hampshire may add its own state incentives on top; check current programs.