Ameren Illinois delivers energy to 1.2 million electric and 816,000 natural gas customers throughout central and southern Illinois. Our service territory covers more than 1,200 communities and 43,700 square miles. Our mission is to power the quality of life.

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Categories: EnergyPublic Utilities

Ameren Illinois

300 Liberty Street
5th Floor
Peoria, IL 61602 

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(309) 677-5409

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