Ameren Missouri updates 20-year energy roadmap to maintain and develop cost-effective energy resources to keep grid reliable for customers

Reliable energy service depends on decisions made years before the energy is needed. Through its 2026 Integrated Resource Plan (IRP), Ameren Missouri, a subsidiary of Ameren Corporation (NYSE: AEE), outlines a 20-year energy roadmap for maintaining reliable service and managing costs under a range of customer usage scenarios. Details of the plan are available at AmerenMissouri.com/Reliable.