All Utility Companies in Peoria

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    Ameren Illinois Energy Efficiency Programs

    Ameren Illinois is a regulated electric and gas delivery company based in Collinsville, Illinois. Our parent company is Ameren Corporation located in St. Louis, Missouri. As a delivery company, Ameren Illinois is in the business of energy distribution. All customers can choose their electric supplier, and non-residential customers can choose their gas supplier. Our service territory spans 43,700 square miles, or about three-quarters of the state. Every day, we deliver electricity to 1.2 million electric and 816,000 natural gas customers in central and southern Illinois. We deliver safe, reliable energy to more than 1,200 communities. Our complex delivery system includes about Read more [...]