Home Efficiency for Qualified Energy Savers
We offer enhanced, energy-saving opportunities for qualified households through a FREE Home Energy Assessment.
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Home Efficiency for Energy Savers
Get a Home Energy Assessment with a Program Ally Contractor to better understand where your home is losing energy and what you can do to fix it.
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Rebates on Energy-Efficient Products
Incentives and rebates on products to help improve comfort, manage usage, and reduce costs.
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Online Marketplace
Purchase low-to-no cost smart thermostats at our Online Marketplace.
Visit Online Marketplace
Financing for Homeowners
Financing Options for Your Home Energy Project
Take advantage of flexible, low-interest financing opportunities to pay for qualifying projects.
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Get a Smart Thermostat
With a smart thermostat, you can save money, energy and time by automatically adjusting your heating and cooling needs.
Get a Smart Thermostat
Peak Time Rewards
Ameren Illinois' Energy-Saving Expert, Matt Muenster, explains how to reduce electricity usage and save with the Peak Time Rewards® Program.
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Find the Right Contractor
Find the Right Program Ally Contractor for Your Project
We support a statewide network of certified Program Ally contractors who offer energy efficiency solutions that can help you improve comfort, manage energy usage, and reduce costs.
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Energy Savings Information for Renters
There are many low-to-no-cost opportunities to help renters save energy without making major changes to your home.
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Information for Multifamily Property Owners
If you own or manage a multifamily property serviced by Ameren Illinois — we may be able to help you and your tenants start saving on energy costs.
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LED Lighting Energy Saving
Energy-Saving Tips and Tools
Learn more about how you save money and energy no matter what your budget.
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Energy Savings Guide
There are easy, do-it-yourself energy-saving tasks that you can do to improve the comfort and resale value of your home.
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