Use an electronic check, credit or debit card to make one-time or scheduled payments. 
 
 
Electronic Check Western Union Speedpay
Pay your Ameren Illinois bill online by electronic check. A fee is not charged for this payment option.
   

   

    
    

Pay online with a valid MasterCard or VISA credit or debit card or an American Express credit card. (Card transactions are limited to 5 within a 25-day period.)
   
Western Union Speedpay charges a $2.75 convenience fee for each transaction. (more
  

Online Banking Payment Option
Consider using your bank's online payment services. You can enroll and use the service to pay your monthly Ameren Illinois bill. A fee may be charged by the bank for this payment option.
   
   
   
   
   
   
   
   
   
   
Pay online, online payment, make online payment, pay bill online, electronic check, online payment options, Ameren Illinois
 
 
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