Peak Time Savings Program

Save up to $100 instantly off a smart thermostat by enrolling in the Ameren Missouri Peak Time Savings Program.


Here’s how it works:

The Peak Time Savings Program syncs to your smart thermostat to understand what keeps you comfortable and how your home uses energy.

Occasionally, on those really hot days when the demand for energy is high, the program will schedule a Peak Time Savings Event. These events pre-cool your home using your comfort preferences when the demand for energy is lower. This helps you stay comfortable before, during, and after the event while conserving energy during peak times. You will be notified before every event and the program will take care of the rest.

You always have control and can adjust the temperature in your home at any time.


You will get extra savings for enrolling.

On top of the $50 Ameren Missouri instant rebate on the purchase of a smart thermostat, you can now claim an additional one-time $50 sign-up bonus at the time of purchase by agreeing to enroll your qualifying smart thermostat in the Peak Time Savings program. Plus, you’ll get an extra $25 every year you stay enrolled.

By claiming the one-time $50 sign-up bonus, you agree to participate in Peak Time Savings and let Ameren Missouri make adjustments to your connected thermostat to maintain comfort while reducing peak energy usage.

The one-time $50 sign-up bonus is limited to the first two smart thermostats enrolled in Peak Time Savings. The $25 annual bonus is paid annually per account, not per thermostat, as long as you stay enrolled.

The $50 sign-up incentive is conditional on your eligibility for and successful and continued enrollment in the Peak Time Savings program. If you don't qualify or you do not complete your enrollment within 60 days of purchase, you will not be eligible for the Peak Time Savings sign-up incentive and your credit card will be charged the remaining $50 cost of the thermostat.    

Peak Time Savings Eligibility:

Customers must have Ameren Missouri residential electric service to participate.

Customers must have or purchase an eligible thermostat - ecobee3, ecobee3 lite, ecobee4 ecobee SmartThermostat with voice control, Google Nest

Learning Thermostat (any generation), Google Nest Thermostat E, Sensi Smart Thermostat, or Sensi Touch Smart Thermostat.

Any smart thermostat(s) participating in the program must be connected to Wi-Fi within the home.

Any smart thermostat(s) participating in the program must be connected to and control a central air conditioner or air-source heat pump.

All smart thermostats in the home must be from the same manufacturer and be participating in the program.

There can be no additional thermostats controlling temperature within the home.

This program is available to customers with individual, dedicated HVAC systems with furnaces and/or central air conditioning (including air, single stage and ground source heat pumps as well as ductless systems) are eligible. Homes featuring only window A/C units as their cooling source, boiler or radiant systems, line voltage systems, multistage heat pumps or homes with HVAC systems that are shared between units or centrally controlled are not eligible to participate.

Net metering customers are not eligible.

Customer's account must not be in the Medical Equipment Registry.

Agreement to the program Terms and Conditions which can be found here.