Discover These Ameren Illinois Bill Pay Options

Ameren is a utility company that was founded in 1997. They serve more than 2 million customers in Illinois and Missouri.

Ameren Online Bill Pay

Ameren bill pay online is a simple process.

To get started, visit  website:

You have the option to register for online access or make a one-time payment without logging in.

Ameren Pay My Bill Without Logging In

On their homepage, click “Pay As Guest” on the left side.

Enter your account number and your zip code. Click “Continue” and follow the prompts to make your payment. Guest Pay

Register for Ameren Pay My Bill Online

To register for Ameren online access, click “Register” on the left side of the page.

Click your customer type and select “NO” under the question “Do you currently have an Ameren account?” Register

Select “Continue.” Enter and confirm your email address. Click “Continue” and follow the prompts to finish setting up your account.  You will need to set up a user ID and a password.

Log into Ameren Pay My Bill Online

To pay your Ameren bill, visit their website and enter the user ID and password you created when you registered your account.

Click “Log In” and follow the prompts to make your payment.

Other Ways to Pay Your Ameren Bill

You have other options for paying your Ameren bill.

  • Pay by phone: You can pay your bill by phone by calling 1-888-777-31-08 if you’re in Illinois and 1-866-268-37-29 if you’re in Missouri.
  • Pay in person: You pay in person at an authorized payment location. Visit their website for the location closest to you.
  • Pay by mail: Send a check or money order to:
    Ameren Illinois
    P.O. Box 88034
    Chicago, IL, 60680-1034 if you’re in Illinois and to:
    Ameren Missouri
    P.O. Box 88068
    Chicago, IL, 60680-1068 if you’re in Missouri.

Ameren Electric Late Payment Fees

Ameren Customer Service

If you need help with your bill, call Ameren at 1-800-755-50-00 if you’re in Illinois and at 1-800-552-75-83 if you’re in Missouri. You can also email them by visiting their website and click “Start Now.” Select your provider and that your account is related. Select your account type and inquiry type. Fill in your account information and click “Submit.”

Ameren FAQs

What if I’m having trouble paying my bill?

Ameren has flexible payment arrangements you can take advantage of if you’re having difficulty paying your bill. They may be able to set up an extension or make payment arrangements.

What is budget billing?

Budget billing allows you to pay the same amount each month rather than having a varying energy bill. You can settle up once per year or opt to have the difference rolled over into the next year.

Can I get financial assistance?

There are programs in Illinois and Missouri to assist you. These programs depend on your income and situation. You can find Illinois programs on their website and Missouri programs on their website.

How do I transfer, start, or stop service?

You can start service by logging into your online account or by contacting customer service. You will need to provide identification and your Social Security number. You can contact customer service through your online account or call customer service to stop or transfer service.

What should I do if there’s an outage?

If there’s an outage, call 1-800-755-5000 if you’re in Illinois and 1-800-552-7583 if you’re in Missouri. If you smell gas, you should leave the area. If there’s a downed line, call 911 and leave the area.
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