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Update on cases involving ComEd, Ameren Illinois power bills

We wanted to give you an update on some battles before the Illinois Commerce Commission (ICC).

ComEd: As you recall, last year the Illinois Commerce Commission (ICC) rejected the utility’s grid plan and slashed its $1.47 billion rate-hike request by about 65 percent (ICC Docket # 23-0055). The company challenged the ICC’s decision, and did win higher rates. We are confirming what those higher rates are and how they are impacting bills.   

Also, the company has refiled its multi-year grid and rate plans and is asking for an increase of about $1.1 billion (ICC Docket No. 24-0181). So far, CUB has found nearly $90 million in overcharges in that proposal.

The ICC is set to rule on the case Dec. 5, with the new rates taking effect in January 2025. 


Ameren Illinois: The ICC last year rejected Ameren’s grid plan also, and slashed its $448 million rate-hike request by about 87 percent (ICC Docket No. 23-0082). The company challenged that ruling on rehearing, and while consumer advocates helped turn back about $16.5 million in overcharges, the company this month was awarded about $93 million in higher rates. Those new rates will take effect immediately–CUB will update its Making Sense of Your Electric Bill fact sheet as soon as we confirm the new rates. 

Also, like ComEd, the company has refiled its grid plan and is asking for about $321 million in higher rates (ICC Docket No. 24-0238). CUB has uncovered about $101 million in overcharges in that request.

The ICC is set to rule on the case Dec. 5, with the new rates taking effect in January 2025. 

What you can do: 

Sign CUB’s petition against excessive electric-utility spending and file public comments with the ICC in the ComEd and Ameren cases.