Payment Information 
 
You can make a payment online or by phone 7 days a week, 24 hours a day, through Western Union Speedpay. A convenience fee of $2.75 for each transaction is charged by Western Union Speedpay.

Pay online now or by phone at 866.268.3729.

    The amount of your payment and Ameren Missouri account number is transmitted electronically from Western Union Speedpay to Ameren Missouri. We do not receive your credit or debit card information.<br><br> Your financial institution will include the total amount paid on your statement just as all of your charges are listed. Your statement information is the verification of your payment date and transaction amount. The total amount of the transaction will include the amount paid to Ameren Missouri and the Western Union Speedpay transaction fee.
                           
 
 
 
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