Ameren Illinois

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Ameren Illinois

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Ameren Illinois is an electric and natural gas utility headquartered in Collinsville, IL. Every day, we deliver energy 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 4,500 miles of electric transmission lines, 46,000 miles of distribution lines, and 18,200 miles of natural gas transmission and distribution mains.

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Key Contact

Eric Whitfield
Senior Manager, Economic Development