Site will create jobs, power thousands of homesST. LOUIS, June 27, 2025 /PRNewswire/ -- Ameren Missouri, a subsidiary of Ameren Corporation (NYSE: AEE), is taking the next step in its generation investment plan to enhance energy reliability for customers by filing an application with the Missouri Public Service Commission that includes a first-of-its-kind project for the company. The application involves the construction of an 800-megawatt (MW) simple-cycle natural gas energy center complemented by Ameren M ...