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Ameren Missouri Requests Electric Rate Increase

The Missouri Public Service Commission has established the deadline for those wishing to intervene and participate in an electric rate case filed by Union Electric Company d/b/a Ameren Missouri.

Applications to intervene and participate in this case must be filed no later than April 30, 2021, with the Secretary of the Missouri Public Service Commission, P.O. Box 360, Jefferson City, Missouri 65102, or, by using the Commission’s Electronic Filing and Information System (EFIS) at

Individual citizens, wishing to comment should contact either the Office of the Public Counsel at: Governor Office Building, 200 Madison Street, Suite 650, P.O. Box 2230, Jefferson City, Missouri 65102-2230; telephone 866 922-2959; or email; or the Public Service Commission Staff at P.O. Box 360, Jefferson City, Missouri 65102; telephone 1-800-392-4211; or email The Office of the Public Counsel is a separate state agency that represents the general public in matters before the Commission.

On March 31, 2021, Ameren Missouri filed an electric rate case with the Missouri Public Service Commission seeking to increase its electric base rate annual revenues by approximately $299 million. According to Ameren Missouri, the adjustment in base rates would mean electric rates for an average residential electric customer – based on approximately 1,029 kilowatt-hours of usage per month – would increase by approximately $12 a month.

Ameren Missouri serves approximately 1.28 million electric customers in Missouri.

Case No. ER-2021-0240

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