Connecticut / Groton
Is solar worth it in Groton?
Connecticut Light & Power Co averages 28.5¢/kWh. With 4.2 peak sun hours a day, a typical 8.5 kW system makes ~10,404 kWh a year and saves about $2,966 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 Groton compares
That is about the same as the Connecticut average of 7.1 years, mainly because Groton's rate is below the state average of 28.8¢/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 |
|---|---|---|---|
| New London | 28.5¢ | 7.2 yrs | $84,750 |
| Norwich | 28.5¢ | 7.2 yrs | $84,750 |
| Middletown | 28.5¢ | 7.2 yrs | $84,750 |
| Meriden | 28.5¢ | 7.3 yrs | $83,737 |
| Hartford | 28.5¢ | 7.2 yrs | $84,750 |
| New Britain | 28.5¢ | 7.3 yrs | $83,737 |
| New Haven | 34.0¢ | 6.2 yrs | $104,566 |
| West Haven | 34.0¢ | 6.2 yrs | $104,566 |
Questions
How long does solar take to pay off in Groton, CT?
About 7.2 years for a typical 8.5 kW system at 28.5 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 Groton?
Yes for most homeowners who stay 10+ years. Our estimate is $2,966 saved in year one and $84,750 net over 25 years after paying for the system.
How much does a solar system cost in Groton?
A 8.5 kW system sized for an average home (863 kWh/month) is about $23,375 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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