Illinois electricity › Ameren Illinois
Ameren Illinois Price to Compare: 10.441¢ per kWh
In effect since October 1, 2026.
See if a plan beats Ameren Illinois's Price to Compare at your usage.
What Ameren Illinois's default supply costs you
At 875 kWh a month, about what an average home uses, the Price to Compare comes to $91.36 a month for electricity supply. Delivery charges and taxes are billed on top, whoever supplies you.
Price to Compare history
Since May 2026: 8.769¢ to 10.441¢ per kWh, up 19%.
| Rate | From | To | Source |
|---|---|---|---|
| 10.441¢ | Oct 1, 2026 | today | Link |
| 11.326¢ | Jun 1, 2026 | Sep 30, 2026 | – |
| 8.769¢ | May 1, 2026 | May 31, 2026 | – |
How Pylon lowers your bill
Pylon watches every plan from licensed suppliers in your area, switches you to a cheaper one automatically and checks again before each contract ends. Pylon only switches you to a plan that costs less than your utility.
What you don't have to do
- No utility password. Pylon uses the account number from your bill.
- You review and sign the authorization yourself.
- Ameren Illinois still delivers your power and sends your bill.
- Pylon is a free service, not a supplier.
Own a business on Ameren Illinois? See Ameren Illinois's business price and get yours.
Where to find your Ameren Illinois account number
Your Account Number includes 10 digits. It's typically found at the top of your bill.
Questions
What is the Ameren Illinois Price to Compare?
It's the price per kWh Ameren Illinois charges for electricity supply if you haven't chosen a supplier: 10.441¢ since October 1, 2026. Supplier plans are compared against it.
Is Ameren Illinois raising its rates?
Ameren Illinois's Price to Compare has been 10.441¢ per kWh since October 1, 2026. This page shows the next price the day it's published.
When does it change next?
This page is updated when the next rate is published.
Why is my Ameren Illinois bill so high?
Your bill has two parts. Delivery is always billed by Ameren Illinois. Supply is the Price to Compare, unless you chose a supplier. If a supplier plan ended, you may now be paying that supplier's month-to-month rate; check the supply line on your bill against 10.441¢.
Can I choose a different electricity supplier with Ameren Illinois?
Yes. Illinois lets every Ameren Illinois customer choose a licensed supplier. Ameren Illinois keeps delivering your power and sending your bill either way.
Other Illinois utilities
Sources
Rates are Pylon's own research from Ameren Illinois's published Price to Compare, linked per period above. Checked by the Pylon team on November 13, 2026.