Illinois / Sterling
Is solar worth it in Sterling?
Commonwealth Edison Co averages 15.2¢/kWh. With 4.3 peak sun hours a day, a typical 8.2 kW system makes ~10,324 kWh a year and saves about $1,571 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 Sterling compares
That is faster than the Illinois average of 15.6 years, mainly because Sterling's rate is above the state average of 10.9¢/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 |
|---|---|---|---|
| Dixon | 15.2¢ | 12.1 yrs | $34,743 |
| Freeport | 15.2¢ | 12.1 yrs | $34,743 |
| Kewanee | 8.3¢ | 19.7 yrs | $8,656 |
| East Moline | 10.0¢ | 17.1 yrs | $15,055 |
| Rockford | 15.2¢ | 12.2 yrs | $34,427 |
| Moline | 10.0¢ | 17.1 yrs | $15,055 |
| DeKalb | 15.2¢ | 12.2 yrs | $34,427 |
| Rock Island | 10.0¢ | 17.1 yrs | $15,055 |
Questions
How long does solar take to pay off in Sterling, IL?
About 12.1 years for a typical 8.2 kW system at 15.2 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 Sterling?
Often, if you plan to stay long-term. Our estimate is $1,571 saved in year one and $34,743 net over 25 years after paying for the system.
How much does a solar system cost in Sterling?
A 8.2 kW system sized for an average home (863 kWh/month) is about $22,550 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.
Get real installer quotes in Sterling
Your number above is an estimate. Real bids usually land within 15%. Free, no obligation.
We may earn a referral fee from partners. Disclosure