Ameren Illinois Electric Rates & Plans
Electricity rates, plans, peak hours and solar rules for Ameren Illinois homes in Illinois. Updated November 2026.
What homes pay
- Average home rate
- 17.44¢/kWh
- 1-year change
- +6.4%
- 20199.42¢
- 202317.04¢
- 202415.26¢
- 202516.70¢
- Sep 2025 to Aug 202617.44¢
Ameren Illinois delivers your power. You can buy the electricity from Ameren Illinois or from a supplier you choose. The average rate above is for homes that buy from Ameren Illinois.
Source: U.S. Energy Information Administration, Form EIA-861M and Form EIA-861. Average rate: September 2025 to August 2026. 1-year change: January to August 2026 compared with January to August 2025.
Plans and peak hours
| Plan | Peak hours | Fixed monthly charge |
|---|---|---|
| Ameren fixed-price supply | None. Same price all day | Not listed yet |
| Power Smart Pricing | Price changes every hour | Not listed yet |
Source: Ameren Illinois Power Smart Pricing, as of October 1, 2026.
Solar and battery rules
- Power you send back
- For systems connected after January 1, 2025, power you send back is credited at the supply price, not the full retail price.
- Batteries
- Rebates of $300 per kW for solar and $300 per kWh for batteries, with an hourly pricing plan.
Source: Illinois Public Utilities Act, sections 16-107.5 and 16-107.6.
Other Illinois utilities
Energy, on a better plan
Solar and battery storage for one monthly payment, at a lower rate than your utility. $0 to low upfront. We own the equipment and look after it.