Government Support
Our government portal is designed specifically for use by the municipalities, townships and counties we serve. Find more resources below.

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The government support portal is not available in our Missouri service territory.
Government Portal
Log in or register to manage government electric supply aggregation, municipal utility taxes, critical facilities and emergency contacts.
Need to Register?
Follow the registration instructions to complete the sign up process for the government portal.
Legislative Guide
We are here to keep you informed and assist you in your dealings with Ameren Illinois. This guide is meant to address some of the more common topics concerning Ameren Illinois services, practices and policies.
Government Aggregation
Corporate authorities of a township, municipality, or county board may aggregate residential and small commercial retail electric loads located, respectively, within the township, municipality, or county. They may solicit bids and enter into service agreements to facilitate for those loads the sale and purchase of electricity and related services and equipment.
Municipal Utility Tax
Municipalities who are interested in implementing a municipal utility tax can utilize this program to verify all premises within the municipality's jurisdiction and receive an estimate of tax revenue based on the premises authenticated.
Government Aggregation FAQ
Municipal Utility Tax FAQ