Our leaders guide us in initiatives focused on safety, reliability and energy efficiency.
View NowOur service territory spans 43,700 square miles, or about three-quarters of Illinois.
View NowEmployees of Ameren Illinois don’t just work in your community – we’re a part of it, too. Ameren Illinois employees work with community residents, businesses, students and organizations by volunteering their time, providing energy education and helping customers stay warm in the winter and cool in the summer.