Texas / South Houston
Is solar worth it in South Houston?
Reliant Energy Retail Services averages 17.4¢/kWh. With 5.0 peak sun hours a day, a typical 7.0 kW system makes ~10,297 kWh a year and saves about $1,790 in year one.
No federal tax credit is included. The 30% homeowner credit (IRS §25D) ended for systems installed after Dec 31, 2025. What changed in 2026 →
How South Houston compares
That is faster than the Texas average of 11.0 years, mainly because South Houston's rate is above the state average of 13.7¢/kWh. Your own payback depends on your bill: enter your ZIP and monthly bill above for your number.
| Nearby city | Rate | Payback | 25-yr net |
|---|---|---|---|
| Pasadena | 13.7¢ | 11.6 yrs | $32,036 |
| Galena Park | 17.4¢ | 9.5 yrs | $46,002 |
| Deer Park | 13.7¢ | 11.6 yrs | $32,036 |
| Pearland | 17.4¢ | 9.3 yrs | $46,328 |
| Friendswood | 17.4¢ | 9.5 yrs | $46,002 |
| La Porte | 13.7¢ | 11.6 yrs | $32,036 |
| Webster | 13.7¢ | 11.6 yrs | $32,036 |
| West University Place | 17.4¢ | 9.3 yrs | $46,328 |
Questions
How long does solar take to pay off in South Houston, TX?
About 9.5 years for a typical 7.0 kW system at 17.4 cents/kWh, assuming $2.75/W installed, full net metering and 3% yearly rate increases, with no federal tax credit.
Is solar worth it in South Houston?
Yes for most homeowners who stay 10+ years. Our estimate is $1,790 saved in year one and $46,002 net over 25 years after paying for the system.
How much does a solar system cost in South Houston?
A 7.0 kW system sized for an average home (863 kWh/month) is about $19,250 before any local rebates, at $2.75 per watt. Real quotes vary by roof and installer.
Is there a federal solar tax credit in 2026?
Not for homeowners who buy their system. The 30% Residential Clean Energy Credit (IRS section 25D) does not apply to installations completed after December 31, 2025. State rebates, SRECs and utility incentives may still apply.
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