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.

Sep 4, 2025 · Eligible Ameren Missouri customers can receive up to $1,400 in energy bill support. Learn about available programs, grants, and money-saving tools.

Feb 17, 2025 · Ameren Missouri announced plans to upgrade its grid and build new power plants to meet an anticipated increase in demand from companies moving to the state.

Ameren Missouri is an electric and natural gas generating company serving customers in central and eastern Missouri.

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