Solar cost & payback in Idaho
Short answer
In Idaho, a home with a $150/month electric bill needs about a 12.5 kW solar system — roughly $26,246 after the 30% federal tax credit, saving about $1,801/year and paying back in ~14.6 years.
System size
12.5 kW
Cost after 30% credit
$26,246
Payback
14.6 yrs
20-yr net savings
$19,760
Solar in Idaho
Idaho averages about 4.7 peak sun hours a day and pays roughly 10.5¢/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 Idaho?
For a $150/month bill, about a 12.5 kW system — roughly $37,494 before incentives, or $26,246 after the 30% federal tax credit. Larger bills need bigger, pricier systems.
Is solar worth it in Idaho?
Idaho gets about 4.7 peak sun hours a day and pays ~10.5¢/kWh. A typical system pays back in ~14.6 years and saves about $19,760 net over 20 years — a longer payback, so run your own numbers.
What is the solar tax credit in Idaho?
The 30% federal Residential Clean Energy Credit applies everywhere, including Idaho — about $11,248 on the example system. Idaho may add its own state incentives on top; check current programs.