Ameren

Ameren Corporation (AEE) is a St. Louis-based Fortune 500 company providing essential electric and natural gas services that power the quality of life for millions across Illinois and Missouri. Ameren Illinois offers electric distribution and transmission alongside natural gas distribution, while Ameren Missouri delivers vertically integrated electric service with over 10,200 megawatts of generating capacity, in addition to natural gas distribution. Serving 2.4 million electric and over 900,000 natural gas customers across a 64,000-square-mile area, Ameren stands as the largest electric utility in Missouri, the second largest in Illinois, and among the nation’s largest investor-owned electric or gas utilities.