A set of electric meters in Chicago. Residential Commonwealth Edison customers will see an average $10.60 increase in monthly bills this summer. Ameren customers can expect an even larger increase. (Capitol News Illinois photo by Andrew Adams)

Ameren Proposes Base Rate Increase

By Mike Wennmacher Aug 28, 2025 | 1:50 PM

Ameren in a public meeting in Springfield proposed a $131 million annual base rate increase.

That would equate to an increase of about $8.75 a month for consumers. Ameren says the rate increase will help fund the replacement of aging infrastructure.

The company claims that over 50% of its current system was built in the 1960s. The rate hike has to go to the Illinois Commerce Commission. The Commission is expected to make a decision by December 2025.