Every day, Ameren is working hard to provide more reliable energy, reduce outages and restore power faster than ever before.

As of 2021, Ameren Illinois and Ameren Missouri distribute electricity and natural gas to most of central and southern Illinois and to much of northern and eastern Missouri.

Aug 25, 2025 · Ameren Missouri's mission is to power the quality of life for its approximately 1.3 million electric and 135,000 natural gas customers in central and eastern Missouri.

Below is a list of Missouri Public Service Commission regulated investor-owned utility companies and websites for more information or contact your local utility provider’s customer service department.

Jun 29, 2025 · See Ameren Missouri's electric rates, average bill, emissions and how they generate or buy their power.

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Log in to pay your bill from your account dashboard. Pay your bill without logging in if you have your 10-digit account number. Ameren offers various billing options to make paying your bill easier and more …

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Your Ameren online account unlocks new ways to manage your energy usage, save money, and make informed decisions about how to improve your home’s overall energy efficiency.

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