New Mexico / Portales
Is solar worth it in Portales?
Southwestern Public Service Co averages 12.0¢/kWh. With 6.1 peak sun hours a day, a typical 5.8 kW system makes ~10,301 kWh a year and saves about $1,234 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 Portales compares
That is slower than the New Mexico average of 9.0 years, mainly because Portales's rate is below the state average of 15.2¢/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 |
|---|---|---|---|
| Clovis | 12.0¢ | 11.1 yrs | $29,048 |
| Lovington | 12.0¢ | 11.0 yrs | $29,618 |
| Roswell | 12.0¢ | 11.0 yrs | $29,455 |
| Hobbs | 12.0¢ | 11.0 yrs | $29,618 |
| Artesia | 12.0¢ | 11.0 yrs | $29,455 |
| Carlsbad | 12.0¢ | 11.0 yrs | $29,455 |
| Las Vegas | 15.4¢ | 9.3 yrs | $41,379 |
| Alamogordo | 17.6¢ | 7.7 yrs | $51,480 |
Questions
How long does solar take to pay off in Portales, NM?
About 11.1 years for a typical 5.8 kW system at 12.0 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 Portales?
Often, if you plan to stay long-term. Our estimate is $1,234 saved in year one and $29,048 net over 25 years after paying for the system.
How much does a solar system cost in Portales?
A 5.8 kW system sized for an average home (863 kWh/month) is about $15,950 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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