Solar cost & payback in Texas
Short answer
In Texas, a home with a $150/month electric bill needs about a 7.8 kW solar system — roughly $16,292 after the 30% federal tax credit, saving about $1,801/year and paying back in ~9 years.
System size
7.8 kW
Cost after 30% credit
$16,292
Payback
9 yrs
20-yr net savings
$29,713
Solar in Texas
Texas averages about 5.3 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.
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Frequently asked questions
How much do solar panels cost in Texas?
For a $150/month bill, about a 7.8 kW system — roughly $23,275 before incentives, or $16,292 after the 30% federal tax credit. Larger bills need bigger, pricier systems.
Is solar worth it in Texas?
Texas gets about 5.3 peak sun hours a day and pays ~15¢/kWh. A typical system pays back in ~9 years and saves about $29,713 net over 20 years — a longer payback, so run your own numbers.
What is the solar tax credit in Texas?
The 30% federal Residential Clean Energy Credit applies everywhere, including Texas — about $6,982 on the example system. Texas may add its own state incentives on top; check current programs.