Solar cost & payback in Alabama
Short answer
In Alabama, a home with a $150/month electric bill needs about a 9.1 kW solar system — roughly $19,189 after the 30% federal tax credit, saving about $1,801/year and paying back in ~10.7 years.
System size
9.1 kW
Cost after 30% credit
$19,189
Payback
10.7 yrs
20-yr net savings
$26,817
Solar in Alabama
Alabama averages about 4.5 peak sun hours a day and pays roughly 15¢/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.
Your bill & roof
Estimate your solar savingsOther states
Frequently asked questions
How much do solar panels cost in Alabama?
For a $150/month bill, about a 9.1 kW system — roughly $27,412 before incentives, or $19,189 after the 30% federal tax credit. Larger bills need bigger, pricier systems.
Is solar worth it in Alabama?
Alabama gets about 4.5 peak sun hours a day and pays ~15¢/kWh. A typical system pays back in ~10.7 years and saves about $26,817 net over 20 years — a longer payback, so run your own numbers.
What is the solar tax credit in Alabama?
The 30% federal Residential Clean Energy Credit applies everywhere, including Alabama — about $8,224 on the example system. Alabama may add its own state incentives on top; check current programs.