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.

General Statement  This tariff provides a general overview of the merger of the legacy Companies, Rate Zones and a statement of applicability of tariff provisions. Table of Contents This tariff provides a listing of all approved tariffs for electric service from the Company. Cities, Villages, Communities and Adjacent Areas to which this Schedule is Applicable This tariff provides a listing of all communities that receive electric service from the Company, broken out by Rate Zone.   Customer Terms and Conditions This tariff provides a general overview of the service options, definitions, supplier switching procedures, customer rights and responsibilities, and other terms and conditions associated with receiving electric service.   Standards and Qualifications for Electric Service This tariff provides a general overview of the technical requirements associated with receiving electric service.    Supplier Terms and Conditions This tariff provides a general overview of the responsibilities and technical requirements for Retail Electric Suppliers providing electric power and energy to customers served by the Company’s electric system.
	Historical UCB/POR Discount Rate
	Historical POU Discount Rate
Government Aggregation Services This tariff provides an overview of government aggregation and details the process of identifying eligible customers.