About Ameren Missouri

Ameren Missouri is part of St. Louis-based Ameren Corporation, with a generating capacity of approximately 9,300 megawatts. Ameren Missouri has been providing electric and gas service for more than 100 years, and our electric rates are among the lowest in the nation. Ameren Missouri's mission is to power the quality of life for our approximately 1.3 million electric and 135,000 natural gas customers in central and eastern Missouri. Our service area covers approximately 60 counties and more than 500 communities including the greater St. Louis region.