ICC approves revised rate plan for Ameren Illinois; $285M cumulative increase through 2027

AMEREN CORP

ICC Rehearing Order approves $1,196M (2024) to $1,397M (2027) annual electric revenue requirements.
Cumulative 4-year increase of $285M, down from $305M requested in April 2024 rehearing.
Rate base approved at $4.0B (2024) to $4.7B (2027); removal of $12M OPEB and $7M projects from rate base.
New rates effective June 27, 2024; ICC decision on revised Grid Plan expected by December 2024.
Appeal of prior ICC order remains pending before Illinois Appellate Court; further rehearing possible.

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