How to Pay Your Ameren Illinois Bill Online, By Mail, or In Person

Paying your electricity and gas bill to Ameren Illinois is easy and convenient with several options available. As an Ameren Illinois customer, you can pay your bill online by mail, in person or over the phone.

Online Bill Pay

The fastest and most convenient way to pay your Ameren Illinois bill is online. You can pay right from the Ameren Illinois website without having to leave home. Here are your online payment options:

Pay on the Ameren Illinois Website

The easiest way is to log into your Ameren Illinois account online and make a payment. You can pay by debit/credit card or electronic check directly on the Ameren Illinois website. Just go to ameren.com/illinois, click “Pay Now” and log into your account.

Bank Bill Pay Service

Many banks offer bill pay services that allow you to pay your Ameren bill through your bank’s website or mobile app. Just add Ameren Illinois as a payee and submit payments whenever your bill is due The payment will be sent electronically to Ameren.

Auto-Pay

For hassle-free bill payment, sign up for auto-pay through the Ameren Illinois website. Your payment will be automatically deducted from your bank account or credit/debit card each month. You’ll never forget a payment again.

Paying by Mail

If you prefer to pay your bill by mail, simply send a check or money order to the payment address printed on your Ameren Illinois bill. Be sure to include your account number on the check. Send your payment at least 5-7 days before the due date to ensure it’s received on time.

The mailing address is:

Ameren Illinois
PO Box 88034
Chicago, IL 60680-1034

To avoid late fees, make sure your mailed payment arrives by the due date listed on your bill. Late payments will incur a 1.5% late fee.

Pay in Person

You can also pay your Ameren Illinois bill in person at an authorized payment location. Here are some options:

• Walmart – Ameren Illinois bills can be paid at any Walmart store across Illinois. Bring your bill or account number. Cash or debit cards are accepted.

• Ace Hardware – Many Ace Hardware locations accept Ameren Illinois payments. Find one near you that participates.

• Currency Exchanges – Licensed currency exchanges across Illinois take Ameren payments. Look for the MoneyGram or BillPayUSA signs.

• Banks – Many banks, credit unions and financial institutions accept in person bill payments. Contact your local branch.

There may be a small convenience fee of around $1.50 for in-person payments. Cash, debit and credit cards are accepted at most locations. Avoid paying near the due date in case of processing delays.

Pay by Phone

If you need to make a quick payment, use Ameren’s toll-free automated phone system at 1-888-789-2477. Have your account number ready. You can pay by debit/credit card or electronic check over the phone.

A $2.50 convenience fee applies to phone payments.

Payment Assistance Programs

If you are having trouble paying your Ameren Illinois bill, visit ameren.com/illinois/account/customer-service/payment-assistance to learn about available payment assistance programs and bill help. Options include:

• Budget Billing – Pay a fixed amount each month based on your projected annual usage

• Payment Arrangements – Set up a payment plan for past due balances

• Energy Assistance – Learn about LIHEAP and other assistance funds

Don’t let a past due bill pressure you. Ameren Illinois wants to help customers through financial challenges. Contact them to discuss bill payment options.

Avoid Late Fees and Disconnection

To avoid late fees, make sure your Ameren Illinois bill payment arrives by the due date listed on your statement. A 1.5% late charge will be applied to unpaid balances after the due date.

If your account becomes delinquent for non-payment, you may face disconnection of your electric and/or gas service. Reconnection fees will apply if your service is disconnected. Avoid service interruptions by paying on time, or contacting Ameren to make payment arrangements if you anticipate missing a payment.

Use the Ameren Illinois Mobile App

Managing your account is easy with the Ameren Illinois mobile app. View your current bill, make a payment, check your payment history, report outages and more right from your smartphone. Download the free app for iPhone or Android.

Paying your Ameren Illinois utility bill is quick and hassle-free. With multiple payment options like online, mail, phone and in-person, choose the method that fits your needs. If you have any questions about your account or bill payment, the friendly Ameren Illinois customer service team is available to help at 1-800-755-5000.