Missouri Public Service Commission

JEFFERSON CITY, Mo.---The Missouri Public Service Commission (PSC) has set an intervention deadline of October 7, 2025, in an application from the Union Electric Company d/b/a Ameren Missouri for approval of a variance from certain requirements of the PSC's integrated resource planning rule.

On September 19, 2025, Ameren Missouri filed a request with the PSC seeking the variance. Electric utilities are required by PSC rules to submit integrated resource plans every three years.

Applications to intervene and participate in this case must be filed with the Secretary of the Missouri Public Service Commission, P.O. Box 360, Jefferson City, Mo. 65102-0360, or by using the Commission’s Electronic Filing and Information System (EFIS) at psc.mo.gov.

Individual citizens wishing to comment may click the link below, or contact either the Office of the Public Counsel (Governor Office Building, 200 Madison Street, Suite 650, P.O. Box 2230, Jefferson City, Mo. 65102-2230, telephone 866-922-2959, email mopco@opc.mo.gov) or the Public Service Commission Staff (P.O. Box 360, Jefferson City, Mo. 65102, telephone 800-392-4211, email pscinfo@psc.mo.gov). The Office of the Public Counsel is a separate state agency that represents the general public in matters before the Commission.

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Case No. EE-2026-0071

• EE-2026-0071