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We're happy to answer questions or help you with returns.
Please fill out the form below if you need assistance.


Email: customercare@amerenillinoiseemarketplace.com
(866) 901-6738
Monday to Friday: 8am - 5pm CST
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Confirm Eligibility

We just need to confirm that you are an Ameren Illinois residential customer.

Please enter your Ameren Illinois residential account number and the zip code for your account’s residential service address.

*You will be asked to complete this step before finalizing your order.

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Confirm
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Create Marketplace
Account

Create Your Ameren Illinois Online Store Account

  • Passwords must be at least 8 characters.
  • Passwords must include a number.
  • Passwords must include a special character.
  • Phone Number must be 10-Digits.
  • Phone Number must contain numbers only.

    • The Marketplace has been
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