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Electric Rates

Find rate information and service tariffs for Ameren Illinois residential electric service.

Ameren Illinois rates include two core components - energy and delivery.

The energy component covers the actual cost of power and energy procured by Ameren unless an alternate supplier has been chosen. (More about Your Electric Supply Options.) Ameren Illinois places no additional mark up on the energy supply charges.

The delivery component covers the utility’s cost of bringing electricity to the customer, regardless of who supplies the energy. This component includes the cost to construct and maintain the delivery system to get electricity from the supplier to the customer.