Stress Less with Energy Assistance
Need help with a payment or balance? These support options are here to lessen the burden of energy costs, so you stop worrying.
Keeping You Informed
Ensure your phone number and email address are up to date so you can receive important information about your account, billing and payments, and any outages in your area.
Log In & UpdateEmpowering Illinois
At Ameren Illinois, we believe in strengthening the communities we share through a range of corporate citizenship initiatives.
Learn MoreOfferings & 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.
Learn MoreEnergy Prices
Economic Development
It takes power to grow a business and that power comes from trusted partnerships. With the help of business and community partners in Illinois, we can help your business grow. Our economic development team works with companies every day looking to expand or relocate to the Ameren Illinois service territory.