Committed to putting our customers first.
#1 in Customer Satisfaction with Residential Electric Service in the Midwest among Large Utilities.*
COVID-19 Update
We’re taking actions to help maintain the health and safety of our co-workers, facilities and customers in the communities we serve. In addition to these measures, there are many Energy Assistance options available to reduce this burden.
Learn MoreEmpowering Illinois
At Ameren Illinois, we believe in strengthening the communities we share through a range of corporate citizenship initiatives.
Learn MoreSupply Choice
Ameren Illinois offers natural gas, electric and renewable options to suit your energy needs.
Offerings & Services
No matter who you are or how you use your energy, we have options to help you manage it. See all of our billing and payment choices, alerts and notifications and energy efficiency programs and choose what works best for you.
Learn MoreElectric Vehicles
Electric vehicles are fun and exciting to drive, easy to charge and cost less to fuel and maintain. Learn how you can save more by driving electric.
Learn MoreRenewables
Ameren Illinois wants to help you understand the options available to you, and how those options may affect your service.
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