Maine / Augusta
Is solar worth it in Augusta?
Central Maine Power Co averages 23.4¢/kWh. With 3.9 peak sun hours a day, a typical 9.1 kW system makes ~10,347 kWh a year and saves about $2,424 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 Augusta compares
That is about the same as the Maine average of 8.9 years, mainly because Augusta's rate is below the state average of 23.7¢/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 |
|---|---|---|---|
| Waterville | 23.4¢ | 9.1 yrs | $63,364 |
| Lewiston | 23.4¢ | 8.7 yrs | $65,074 |
| Auburn | 23.4¢ | 8.7 yrs | $65,074 |
| Westbrook | 23.4¢ | 8.7 yrs | $65,074 |
| Portland | 23.4¢ | 8.7 yrs | $65,074 |
| South Portland | 23.4¢ | 8.7 yrs | $65,074 |
| Bangor | 23.4¢ | 9.1 yrs | $63,364 |
| Saco | 23.4¢ | 8.7 yrs | $65,074 |
Questions
How long does solar take to pay off in Augusta, ME?
About 9.1 years for a typical 9.1 kW system at 23.4 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 Augusta?
Yes for most homeowners who stay 10+ years. Our estimate is $2,424 saved in year one and $63,364 net over 25 years after paying for the system.
How much does a solar system cost in Augusta?
A 9.1 kW system sized for an average home (863 kWh/month) is about $25,025 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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