Solar in Danville, IL
With Ameren Illinois's electricity at about 19.1¢ per kWh and 1,359 kWh of sun per kW, solar is worth it for a typical Danville home today: about a 11.9-year payback.
- Payback, typical home
- 11.9 yrsIllinois: 13.5 yrs
- 25-year net
- $38,346after paying $23,780
- Sun
- 1,359kWh per kW per year
- Electricity
- 19.1¢6% above U.S. average
A typical Danville home, by the numbers
| Utility | Ameren Illinois |
|---|---|
| Electricity use | 882 kWh a month |
| Best-value system | 7.8 kW, about 18 panels, 10,603 kWh a year (100% of use) |
| Cost | $26,120, or $23,780 after state incentives |
| First-year savings | $1,890 |
| 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 Danville
- Owner-occupied homes
- 57%
- Single-family detached
- 73%
- Median home value
- $79k
- Median year built
- 1951
- Population
- 28,595
- Roofs suitable for solar†
- 67%
Census ACS 2020–2024. †Share of 5,796 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 Danville
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 Danville
Is solar worth it in Danville, IL?
For a typical home in Danville, solar is worth it at 2026 prices: a 7.8 kW system costs about $23,780 after state incentives, saves about $1,890 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 Danville?
About 1,359 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% more than the Illinois average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Danville?
Most homes in Danville are served by Ameren Illinois, at about 19.1¢ per kWh on average. Some areas are served by Eastern Illinois Electric Cooperative.
How much do solar panels cost in Danville?
A fair cash price is around $3.40 per watt before incentives, so about $26,120 for a 7.8 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Urbana 11.8 yrs
- Champaign 12 yrs
- Decatur 11.8 yrs
- Bloomington 11.9 yrs
- Normal 11.9 yrs
- Chicago Heights 12.6 yrs
- New Lenox 12.6 yrs
- Lansing 12.6 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.