Solar cost & payback in Louisiana
Short answer
In Louisiana, a home with a $150/month electric bill needs about a 11.9 kW solar system — roughly $25,053 after the 30% federal tax credit, saving about $1,801/year and paying back in ~13.9 years.
System size
11.9 kW
Cost after 30% credit
$25,053
Payback
13.9 yrs
20-yr net savings
$20,953
Solar in Louisiana
Louisiana averages about 4.7 peak sun hours a day and pays roughly 11¢/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 Louisiana?
For a $150/month bill, about a 11.9 kW system — roughly $35,790 before incentives, or $25,053 after the 30% federal tax credit. Larger bills need bigger, pricier systems.
Is solar worth it in Louisiana?
Louisiana gets about 4.7 peak sun hours a day and pays ~11¢/kWh. A typical system pays back in ~13.9 years and saves about $20,953 net over 20 years — a longer payback, so run your own numbers.
What is the solar tax credit in Louisiana?
The 30% federal Residential Clean Energy Credit applies everywhere, including Louisiana — about $10,737 on the example system. Louisiana may add its own state incentives on top; check current programs.