Illinois · electric utility

Ameren Illinois Price to Compare & rate increases

Ameren Illinois is a Ameren Corporation utility serving central and southern Illinois (HQ Collinsville), covering about three-quarters of the state's land area (about 1.2 million customers). Ameren Illinois covers roughly three-quarters of Illinois geographically — about 43,700 square miles — while serving far fewer customers than ComEd, and it sits in the MISO grid rather than PJM. (source)

Price to Compare (current rate)

11.326¢/kWh

Effective (current) · verified

Of the 2 Illinois utilities we track, Ameren Illinois's Price to Compare is the highest — the range runs from 10.399¢ (ComEd) to 11.326¢ (Ameren Illinois). Compare all Illinois rates →

What it means: a Ameren Illinois customer on a 17¢/kWh third-party supplier rate pays about $590 more per year than the Price to Compare (11.326¢), based on ~860 kWh/month. The audit below checks your actual rate.

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Utility rate verified June 15, 2026 · 11.326¢/kWh

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Where is this on my bill?
Your Electric Bill Account ····1234 Supply / Generation Price to Compare 13.147¢/kWh ↑ This is the number you compare Your third-party supplier rate enter this figure in the audit __ ¢/kWh Delivery / Distribution You can't shop this part $ ··.·· Total $ ···.··

On your bill, find the supply rate in ¢/kWh. Your utility's standard rate is the “Price to Compare.” If your supplier charges more than that, you're overpaying.

Rate cases & increases

No active Ameren Illinois rate cases in our tracker right now. We monitor the ICC dockets — get an alert when one is filed. See why Illinois bills are rising →

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