Texas / Mercedes
Is solar worth it in Mercedes?
Magic Valley Electric Coop Inc averages 10.2¢/kWh. With 5.5 peak sun hours a day, a typical 6.5 kW system makes ~10,400 kWh a year and saves about $1,061 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 Mercedes compares
That is slower than the Texas average of 11.0 years, mainly because Mercedes's rate is below 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 |
|---|---|---|---|
| Weslaco | 10.2¢ | 13.8 yrs | $20,791 |
| Donna | 10.2¢ | 13.8 yrs | $20,791 |
| Alamo | 10.2¢ | 13.8 yrs | $20,791 |
| Harlingen | 10.2¢ | 13.8 yrs | $20,791 |
| San Juan | 10.2¢ | 13.8 yrs | $20,791 |
| San Benito | 10.2¢ | 13.8 yrs | $20,791 |
| Pharr | 10.2¢ | 13.8 yrs | $20,791 |
| Edinburg | 10.2¢ | 14.1 yrs | $20,243 |
Questions
How long does solar take to pay off in Mercedes, TX?
About 13.8 years for a typical 6.5 kW system at 10.2 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 Mercedes?
Often, if you plan to stay long-term. Our estimate is $1,061 saved in year one and $20,791 net over 25 years after paying for the system.
How much does a solar system cost in Mercedes?
A 6.5 kW system sized for an average home (863 kWh/month) is about $17,875 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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