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Utility guide

Ameren

The electric company for central and southern Illinois.

Your state

About 1.1 million

homes served · EIA, 2025

About $153 a month

average home bill

1 (800) 755-5000ameren.com (opens ameren.com in a new tab)

New to Ameren?
Public Grid can set up your service for free.

Set up Ameren · freeAbout 3 minutes · we’ll text you when it’s set up
Not Ameren? Check your address.
Ameren Illinois · 81 countiesChicago and northern Illinois: ComEdPeoria

Also in 1 more state

Counties Ameren Illinois serves, from EIA’s 2025 yearly report. Service areas are approximate.

Peoria
Ameren Illinois · 81 counties

Counties Ameren Illinois serves, from EIA’s 2025 yearly report. Service areas are approximate.

Start, move or stop service

Start service

Moving into Ameren’s area? Public Grid can set up your service for free.

Set up Ameren

Move within Ameren’s area

We’ll stop service at your old place and start it at the new one.

Transfer my service

Stop service

Moving out of Ameren’s area? Stop service on the day you leave.

Stop my service

Outages

Power out?

Check the map first. If your home isn’t on it, let Ameren know.

See a downed wire? Stay far away from it and call Ameren at 1 (800) 755-5000 right away. If someone is hurt, call 911.

Contact information

Phone
1 (800) 755-5000
Website
ameren.com (opens ameren.com in a new tab)
Online
Start or stop on ameren.com (opens ameren.com in a new tab)

FAQ

Questions about Ameren

Ameren asks for your Social Security number to start service, to help protect customers from fraud. If you don’t have a Social Security number, you can call Ameren to arrange another proof of identity instead.

Information as of Nov 2, 2026.

Public Grid isn’t affiliated with Ameren.

Report a mistake (opens support.onepublicgrid.com in a new tab)