#missouri

Missouri regulators approve Ameren's 545 MW of batteries, 400 MW of solar

The Missouri Public Service Commission on October 21, 2026 approved Ameren Missouri's plan to build three batteries totaling 545 MW, a switching station and two solar projects totaling 400 MW, under a settlement the Office of the Public Counsel did not sign but did not object to. The conditions cover battery safety testing, fire planning, discharge tests and cost reporting; cost recovery is left to later proceedings.