Ameren Illinois - Non-Residential Rates

To learn more about electric and natural gas rates, select the Rate Zone in the map below for your area. Service territories formerly known as AmerenCIPS, AmerenCILCO and AmerenIP are now referred to as Rate Zone I, II and III, respectively. Customers may also refer to their Ameren Illinois bill to determine the applicable Rate Zone.

Ameren Illinois Rate Zone Map
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