Missouri Public Service Commission

JEFFERSON CITY, Mo.---On Wednesday, April 23, 2025, The Missouri Public Service Commission approved two agreements setting new rates for electric customers of Union Electric Company d/b/a Ameren Missouri.

The Commission approved two unopposed agreements between the parties in the case. Ameren Missouri, Commission Staff, Missouri Industrial Energy Consumers, Consumers Council of Missouri, Renew Missouri Advocates, AARP, Metropolitan Congregations United, and Midwest Energy Consumers Group were signatories to both agreements. The Office of the Public Counsel was not a signatory to one agreement and Sierra Club was not a signatory to either agreement, but neither party opposed either agreement.

Under the agreements, Ameren Missouri will increase rates by $355 million. The amount approved by the Commission was $91 million less than Ameren Missouri’s original request.

The residential customer monthly customer charge of $9 will not be increased. The customer charge is a fixed monthly amount that covers a portion of the cost of providing service to a location irrespective of energy consumption. Additionally, the parties agreed to amounts and terms for several low-income programs including the Keeping Current and Keeping Cool program, the New Start program, the Critical Needs program, and the Low-Income Weatherization program.

Under the agreement approved by the Commission, Ameren Missouri agreed to not seek ratepayer recovery of amounts for mitigation ordered in federal litigation regarding Ameren Missouri’s Rush Island Energy Center’s air pollution. Ameren Missouri will continue its Fuel Adjustment Clause, which allows Ameren Missouri to adjust its rates up or down based upon the cost of fuel.

The Missouri Public Service Commission regulates investor-owned electric, natural gas, steam, manufactured housing and modular units, water and sewer companies, and has limited authority over telephone providers in the state. The Commission ensures the public has access to safe, reliable and reasonably priced utility service. The Commission must balance the interests of the public – ratepayers – as well as company shareholders. In proceedings before the Commission, rates are set to allow the utility company an opportunity – but not a guarantee – to earn a reasonable return on its investment after recovering its prudently incurred expenses.

Ameren Missouri serves approximately 1.2 million electric customers in Missouri.

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Case No. ER-2024-0319