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Ameren Illinois

Energy Efficiency Program

Helping Customers Reduce Costs Improve Comfort Manage Usage

Helping You Become Energy-Efficient

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.

Comfy and Cozy Savings
All Season Long

Google Nest Thermostat $0
($129.99 MSRP)

Ameren IL - Energy Efficiency Program Logo

Offer valid through December 31, 2024, while supplies last. Google Nest Thermostat $129.99 MSRP. Tax and shipping charges are included in this offer. Additional terms apply. See website for details. Google, and Nest Thermostat are trademarks of Google LLC.

EE Special Graphic

2024 Year in Review

Our goal each year is to help you save energy and lower your costs, all while helping our state become a more energy-efficient place for us to live. Check out some of the 2024 successes by clicking through the infographic.

Ameren Illinois Energy Efficiency Program
Over 6 Million

energy-efficient products were installed, saving our customers more than $48 million in energy costs.

Ameren Illinois Energy Efficiency Program
Since 2008

the Ameren Illinois Energy Efficiency Program has saved businesses and residential customers over $2.26 billion on electric costs and over $352 million on gas energy costs.

Ameren Illinois Energy Efficiency Program
45,062

smart thermostats were distributed to Ameren Illinois Business and Residential customers.

Ameren Illinois Energy Efficiency Program
Energy Savings

Since 2008, the Ameren Illinois Energy Efficiency Program has saved businesses and residential customers over $2.26 billion on electric costs and over $352 million on gas energy costs.

Ameren Illinois Energy Efficiency Program
Completed more than 5,200

Small Business energy efficiency projects.

Ameren Illinois Energy Efficiency Program
Home Energy Assessments

1,560 home energy assessments, serving 35,320
income-qualified homes were served.