Illinois / Mahomet
Is solar worth it in Mahomet?
Ameren Illinois Company averages 8.3¢/kWh. With 4.4 peak sun hours a day, a typical 8.0 kW system makes ~10,328 kWh a year and saves about $856 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 Mahomet compares
That is slower than the Illinois average of 15.6 years, mainly because Mahomet's rate is below 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 |
|---|---|---|---|
| Champaign | 8.3¢ | 19.3 yrs | $9,222 |
| Urbana | 8.3¢ | 19.3 yrs | $9,222 |
| Rantoul | 8.3¢ | 19.3 yrs | $9,222 |
| Bloomington | 8.3¢ | 19.3 yrs | $9,222 |
| Decatur | 8.3¢ | 19.3 yrs | $9,222 |
| Normal | 8.3¢ | 19.3 yrs | $9,222 |
| Danville | 8.3¢ | 19.5 yrs | $8,944 |
| Mattoon | 8.3¢ | 19.1 yrs | $9,490 |
Questions
How long does solar take to pay off in Mahomet, IL?
About 19.3 years for a typical 8.0 kW system at 8.3 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 Mahomet?
Only in some cases; payback is long. Our estimate is $856 saved in year one and $9,222 net over 25 years after paying for the system.
How much does a solar system cost in Mahomet?
A 8.0 kW system sized for an average home (863 kWh/month) is about $22,000 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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