Energy Efficiency Programs
Ameren offers savings opportunities for our residential electric customers through programs and incentives.
Smart Thermostat Program
Get instant discounts on smart thermostats.
Peak Time Savings
Enroll to receive a $50 enrollment bonus and $25 annual appreciation bonus.
Pay As You Save (PAYS®)
Help lower your energy bill by making affordable energy efficiency upgrades around your home. It all starts with a FREE home energy assessment.
CommunitySavers®
CommunitySavers® offers home energy assessments to help qualifying, income-eligible customers learn how their homes use energy and help them lower their monthly electric bills.
Home Efficiency Opportunities
Visit AmerenIllinoisSavings.com to learn about energy efficiency home upgrades, product discounts and rebates, savings tips, and more resources to start your journey toward saving on energy costs at home. 
Energy Savings Tips
Learn how to save energy and reduce costs in our energy tips library.
Energy-Saving Programs
Our energy-saving programs bring big rewards for making small changes to how you use energy at home. 

Power Smart Pricing

Enhanced real-time hourly pricing for residential customers. 

Peak Time Savings

Enroll your smart thermostat to shift demand on the grid and earn rewards. 

Peak Time Rewards

Earn bill credits when you reduce energy usage during peak time events. 
Save Money with ChargeSmart

If you own an electric vehicle, you can save money through Ameren Illinois’s ChargeSmart program. By charging your vehicle overnight—between 11 p.m. to 7 a.m.—you can save energy costs.