Rates & Regulatory Information  
Learn more about your rates. 
The regulation process determines delivery rates for the energy we deliver to you. 
Ameren Illinois delivers electricity
and natural gas to approximately
 2 million customers.
Ameren Illinois delivers electricity and natural gas to customers in central and southern Illinois. The utility is regulated by the Illinois Commerce Commission. The company is also subject to federal regulatory oversight. For the text of current regulatory proceedings before these and other regulatory bodies, see Utility Commission Filings.

Electric and Natural Gas Rates
Ameren Illinois strives to contain costs and keeps our rates for delivering electricity and natural gas as low as possible for our customers.

Occasionally, we ask the Illinois Commerce Commission to update electric and natural gas delivery rates to cover our daily operating costs, maintain our existing infrastructure, and continue to improve our distribution systems to serve your energy needs safely and reliably.

Electric Supply Choice
In the State of Illinois, customers may choose an electric supplier, meaning in Illinois you can choose whom you purchase electricity from. As your energy delivery public utility, Ameren Illinois will always bring or delivery your electricity to your home or business. Learn more about retail electric suppliers and aggregation.

Energy Efficiency  
To help you use energy more wisely, we encourage you to use less, spend less. We have programs to help you manage your energy use. To learn more about how conserving energy can help reduce costs, visit ActOnEnergy.

Find Current Rates
Find additional information about electric or natural gas rates for your business or for your residence.
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