Solar in Peoria, IL
With Ameren Illinois's electricity at about 19.1¢ per kWh and 1,368 kWh of sun per kW, solar is worth it for a typical Peoria home today: about a 11.9-year payback.
- Payback, typical home
- 11.9 yrsIllinois: 13.5 yrs
- 25-year net
- $38,034after paying $23,520
- Sun
- 1,368kWh per kW per year
- Electricity
- 19.1¢6% above U.S. average
A typical Peoria home, by the numbers
| Utility | Ameren Illinois |
|---|---|
| Electricity use | 882 kWh a month |
| Best-value system | 7.7 kW, about 18 panels, 10,536 kWh a year (100% of use) |
| Cost | $25,830, or $23,520 after state incentives |
| First-year savings | $1,871 |
| Payback | 11.9 years |
| Exported power | 10¢/kWh (Ameren Illinois) |
Cash purchase, no federal credit, 3.5% yearly rate increases. Run it with your own numbers.
Homes in Peoria
- Owner-occupied homes
- 57%
- Single-family detached
- 63%
- Median home value
- $156k
- Median year built
- 1966
- Population
- 112,169
- Roofs suitable for solar†
- 71%
Census ACS 2020–2024. †Share of 30,557 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Older housing stock. Many homes here were built before 1975. Have the roof and electrical panel checked before signing; a roof or panel upgrade can add thousands. Roof first?
Installers working in Peoria
Public installation records for Illinois don't name installers, so we can't rank local companies here. Browse installers in Illinois.
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Peoria
Is solar worth it in Peoria, IL?
For a typical home in Peoria, solar is worth it at 2026 prices: a 7.7 kW system costs about $23,520 after state incentives, saves about $1,871 in year one and pays back in about 11.9 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Peoria?
About 1,368 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 2% more than the Illinois average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Peoria?
Most homes in Peoria are served by Ameren Illinois, at about 19.1¢ per kWh on average.
How much do solar panels cost in Peoria?
A fair cash price is around $3.40 per watt before incentives, so about $25,830 for a 7.7 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Pekin 11.7 yrs
- Normal 11.9 yrs
- Bloomington 11.9 yrs
- Galesburg 11.7 yrs
- Springfield 16.5 yrs
- Moline 21.8 yrs
- Rock Island 21.6 yrs
- Decatur 11.8 yrs
- All of Illinois
Data: PVWatts (National Laboratory of the Rockies), EIA-861 2025 adjusted to 2026, U.S. Census ACS, LBNL Tracking the Sun, state policy research as of October 2026.