Customer Support

Have a question? Need Help? Find it here.

Smell a gas odor? See downed power lines?

Call immediately: 800.755.5000

Residential Account

Phone: 800.755.5000

Hours: M-F 7:00 a.m. - 7:00 p.m

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Business Account

Phone: 800.232.2477
Fax: 877.263.7369

Hours: M-F 7:00 a.m. - 7:00 p.m

Online Account Options

Still Have Questions?

Correspondence Mailing Address
Ameren Illinois
300 Liberty
Peoria, IL 61602

Payment Mailing Address
Ameren Illinois
PO Box 88034
Chicago, IL 60680-1034

Web Support
Phone: 877.263.7361
Fax: 800.851.1791
Hours: 7:00 a.m. - 7:00 p.m. M-F

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In order to improve your use of this website, and provide the most relevant information to our site visitors and customers, we utilize text files known as "cookies" that are stored within your computer’s or mobile device’s memory by a website through your browser.

More information on the use of cookies on this website is available in our Privacy Policy.

By dismissing this message or navigating through the website, you are agreeing to the use of cookies described above.