Central Illinois Public Service Company
Company Information

607 E. Adams St.
Springfield, IL, 62739 United States
(217) 523-3600

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Central Illinois Public Service Company Company Profile

Central Illinois Public Service doesn't need Mrs. O'Leary's cow to light up the sky in Illinois. Founded in 1902, the company, which operates as AmerenCIPS, transmits and distributes electricity to almost 400,000 customers and natural gas to nearly 190,000 customers in almost 600 communities in Illinois. The company gets about three-quarters of its sales from its its electricity business. Along with Union Electric and Illinois Power Company, management of AmerenCIPS is handled by Midwest Independent Transmission System (MISO). Electric sales account for the bulk of sales. The firm, a subsidiary of utility holding company Ameren Corporation was merged into Ameren Illinois in 2010.