Ways to Save

We’ve seen a global increase in the price of purchasing natural gas and electricity to heat, cool and power your homes and businesses. These costs are transferred from Ameren Illinois, dollar for dollar, to you at no additional mark-up. With these cost increases in mind, our goal is to ensure you receive the most cost-effective energy supply by offering you various opportunities to save on your energy expenses.


Home Energy Assessments

We offer enhanced, energy-saving opportunities for qualified households through a FREE Home Energy Assessment.

Incentives and Rebates on Energy-Efficient Products

Incentives and rebates on products to help improve comfort, manage usage and reduce costs.

Online Marketplace

Reduce energy costs and improve the comfort of your home with special offers on energy-efficient products.

Multifamily Energy Assessments

We offer enhanced, energy-saving opportunities for qualified multifamily through a FREE Energy Assessment.

Information for Renters

Taking energy-saving actions in a rental brings benefits to both renters and landlords—lower energy bills, increased comfort, and more.

Peak Time Rewards

The Ameren Illinois Peak Time Rewards® program gives eligible residential customers the opportunity to earn bill credits by reducing electricity usage during times of high electricity demand. Your participation helps your neighbors, your community and the environment by reducing emissions and giving the energy grid a break.


Small Business

Big savings are available for small businesses including increased energy efficiency incentives.

Custom Incentives

With increases in Custom Gas Incentives, you’ll save on Custom Gas projects unique to your business.

Business Online Store

Get instant savings on smart thermostats, LED light bulbs, advanced power strips and more!

Instant Incentives

Receive upfront, instant savings for LED Lighting, smart thermostats, notched v-belts, central air conditioners, heat pump water heaters and ducted air source heat pumps. No application necessary!

Lighting Incentives Increased Until Dec. 31, 2022

Standard Lighting incentives have increased for the remainder of 2022, up to $0.50/watt reduced! In addition, lighting controls are no longer required to control a minimum wattage.

Public Sector

Local, state and federal governments save on energy costs by incorporating energy efficiency products and projects in their municipality buildings, civic centers, public libraries, water treatment plants, park districts, as well as within their police and fire department buildings.

Rising Power Prices Ameren Illinois Updates
Inflation and supply constraints are driving higher power prices. Click the Learn More button for information about Ameren Illinois rising power price updates.
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