Solar panels in McLean County, IL
Compare solar costs, payback and local permit rules across 3 McLean County towns served by Ameren, then get free, no-obligation quotes.
Free, no-obligation quotes. Savings vary by home and utility. $0-down offers are leases or PPAs and are subject to approval.
Quick answer
Is solar worth it in McLean County, IL?
For many homes, yes. With a $150 monthly bill, we estimate a system costs about $11,300 to $11,400 after the Ameren rebate and Illinois Shines in McLean County, paying for itself in about 8.8 to 9 years on an unshaded, south-facing roof.
How does solar compare across McLean County towns?
| Town | Output per kW | Net cost | Payback | Median home value | Owner-occupied |
|---|---|---|---|---|---|
| Bloomington | 1,240 kWh | $11,400 | 9 yrs | $203,300 | 62% |
| Downs | 1,250 kWh | $11,300 | 8.8 yrs | n/a | n/a |
| Normal | 1,240 kWh | $11,400 | 9 yrs | $213,600 | 55% |
Estimates for a cash purchase on an unshaded, south-facing roof. Home values and ownership rates are U.S. Census Bureau American Community Survey 5-year estimates; n/a means no Census figure was available. How we estimate
How many McLean County homes have gone solar?
Illinois Shines had approved 1,811 home-sized solar systems (25 kW or smaller) in McLean County as of September 2026, #14 of 102 Illinois counties, including 367 in the past 12 months.
About 54% are owned by the homeowner, paid in cash or with a loan, compared with 44% statewide; the rest are leases or power purchase agreements. The typical system is 7.6 kW. See how Illinois towns compare and solar lease vs. buy.
Counts are applications approved by the Illinois Commerce Commission, and some may not be installed yet. Source: Illinois Shines: Project application reports (ICC-approved Part I applications).
What do McLean County towns require for solar?
Permits and zoning rules are set town by town. Highlights from each town's own rules:
- Bloomington: In 2024 the Bloomington City Council approved annexing land on Washington Street for a community-scale solar project, which can add local community solar capacity.
- Downs: In 2025 the Downs village board discussed a program that would put solar energy credits on the village's own Ameren electric bills.
- Normal: The Town of Normal adopted a Solar Energy Code as part of its zoning code in April 2022, with separate rules for roof-mounted and ground-mounted systems.
Each town page has the full details and sources.
How do I keep solar from raising my McLean County property taxes?
File form PTAX-330 with the McLean County assessment office. Under Illinois law, a home with solar can be assessed as if it had a conventional energy system, so panels don't raise your assessment.
How does solar work with Ameren in McLean County?
Ameren pays about $300 per kW in rebates for new home solar systems with a smart inverter, and since 2025 credits exported power at the supply rate. Power you use as your panels produce it still saves the full retail rate.
See the full Ameren solar guide.
Choosing a company? See how to choose a solar installer in Illinois and what a solar quote should include.
McLean County solar FAQ
Which electric utility serves McLean County?
The towns we cover in McLean County are served by Ameren, which pays about $300 per kW in rebates for new solar systems and credits exported power at the supply rate.
How long does solar take to pay back in McLean County?
For an unshaded home with a $150 monthly bill, we estimate payback of about 8.8 to 9 years in McLean County, after the utility rebate and Illinois Shines.
Will solar raise my property taxes in McLean County?
Not if you file form PTAX-330. Illinois lets the county assess a home with solar as if it had a conventional energy system. See how Illinois taxes homes with solar.
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