Solar cost & payback in Arizona
Short answer
In Arizona, a home with a $150/month electric bill needs about a 6.1 kW solar system — roughly $12,856 after the 30% federal tax credit, saving about $1,801/year and paying back in ~7.1 years.
System size
6.1 kW
Cost after 30% credit
$12,856
Payback
7.1 yrs
20-yr net savings
$33,150
Solar in Arizona
Arizona averages about 6.5 peak sun hours a day and pays roughly 15.5¢/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 Arizona?
For a $150/month bill, about a 6.1 kW system — roughly $18,366 before incentives, or $12,856 after the 30% federal tax credit. Larger bills need bigger, pricier systems.
Is solar worth it in Arizona?
Arizona gets about 6.5 peak sun hours a day and pays ~15.5¢/kWh. A typical system pays back in ~7.1 years and saves about $33,150 net over 20 years — a strong case.
What is the solar tax credit in Arizona?
The 30% federal Residential Clean Energy Credit applies everywhere, including Arizona — about $5,510 on the example system. Arizona may add its own state incentives on top; check current programs.