Do I Qualify
- The page lists Ameren-delivered gas or electric heat and also allows propane heat.
- The customer must pay at least $5 toward the thermostat.
How Much Comes Off
| Equipment | Requirement | Amount |
|---|---|---|
| Smart thermostat | ENERGY STAR certified; one rebate per household. | $125 per thermostat |
Who Files It
The customer submits the post-purchase rebate application.
The money is paid to the homeowner.
The Steps to Apply
- Purchase a qualifying thermostat.
- Apply within 60 days of purchase or by December 31 of the purchase year, whichever comes first. Apply for rebate.
Read on October 22, 2026 from the Ameren Illinois page. A change to this program is a dated line in the changelog.