Ameren Illinois

ameren il customer serviceAs of 2016, Ameren Illinois Corporation became one of the top 10 energy companies to work for in America. This company has been around for over 20 years and services residents and businesses in both Illinois and western Missouri. 

If you’re moving to the area, they just may be your electric provider. Below, you will learn about their rates, how you can contact them, and the services they provide. Let’s first take a look at the history of the company. 

About Ameren Illinois


illinois electric rates per kwhCreated on December 31, 1997, St. Louis, Missouri’s Union Electric Company and Central Illinois Public Service Company merged together to form Ameren Corporation. In more recent years, they became the first major energy company to open an Innovation Center. 

Operating State

Ameren Illinois serves parts of both Illinois and Missouri.

Area Services

Ameren Illinois provides service from northern Illinois near La Salle, all the way down past Anna, IL. They also offer services for the eastern part of Missouri, along with cities such as Excelsior Springs, MO. 


Ameren Illinois 

300 Liberty St

Peoria, IL 61602

Phone Number

  • Residential: 800.755.5000
  • Business: 800.232.2477 
  • Website Support: 877.263.7361 
  • Property Management: 800.487.5795 
  • Construction and Engineering: 888.659.4540 

Ameren Illinois Electric Rates

Services Offered

Ameren Illinois offers a variety of services ranging from accounting to information technology. They also help with future construction projects and city planning. 

Electric Rates

Ameren Illinois Customer Service Information

Pay Your Bill

Ameren Illinois makes it easy to pay your bill. They offer three different ways to pay your bill: online payments, auto payments, and guest payments. There are also five payment options available: in person, by mail, over the phone, online, and electronic data interchange.

Report An Outage

You can easily report an outage and learn more information about safety during a power outage

Outage Map

how much does ameren charge per kwhYou can find Ameren Illinois’ outage map. It will show you the total number of customers served, the number of customers without service, and where those outages are.

Customer Service Number 

Ameren Illinois customer service has a different number depending on who’s calling. Use this list below for more information:

  • Residential: 800.755.5000
  • Business: 800.232.2477 
  • Website Support: 877.263.7361 
  • Property Management: 800.487.5795 
  • Construction and Engineering: 888.659.4540 


What is the phone number for Ameren Illinois?

Below are the residential and business phone numbers for Ameren Illinois:

  • Residential: 800.755.5000
  • Business: 800.232.2477 

How do I contact Ameren?

You can contact Ameren a variety of ways. They can be reached via email, phone, chat, or even by sending a letter.

Can I pay my Ameren bill online?

Yes, you can pay online using a credit or debit card or directly from your bank account.

Will Ameren shut off power in winter?

Illinois has a state law that forbids electric companies from shutting off power in the winter months.

Does Ameren require a deposit?

Yes, they require a deposit that is equal to two times the monthly average of your service area.


If you’re in Illinois or the eastern Missouri area, Ameren Corporation may be your go-to for all your power and electrical needs. They’re not only well-established, but they’ve also been voted one of the top 10 electric companies to work for. Be sure to check out their website for more information.

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