Residential
Whether you own or rent your home, explore ways to save money and improve the comfort of your home.
Business
No matter the size of your business, there are energy-saving opportunities to save money and time.
Multifamily
Increase the value of your building, lower operating costs and improve tenant comfort by making your property more energy-efficient.
2021 HIGHLIGHTS
were installed in Ameren Illinois customer homes
for our customers
energy efficiency projects
through the Market Development Initiative
Since 2008, the Ameren Illinois Energy Efficiency Program has been helping our state transition into a more affordable and cleaner future. We don’t just work in your community, we’re a part of it. We work with residents, businesses and partners across Illinois to save our customers money, lower carbon emissions and strengthen our state’s economy. We are committed to helping you improve comfort, manage usage and reduce costs.