
peaksaver PLUS® is an electricity Demand Response program funded by the Ontario Power Authority (OPA) to ease critical strain on the electricity system in Ontario during hot summer weekdays.
How does the peaksaver PLUS® program benefit me?
- Get a free, professionally installed programmable thermostat valued at $250
- Enjoy the convenience of managing your home temperature from anywhere
- Preserve energy for Ontario’s future generations
- Save up to 10% on your year-round heating and cooling costs.
How does the peaksaver PLUS® program work?
Once you enroll in the peaksaver PLUS® program, a new programmable thermostat will be installed at your residence which can be remotely turned up by two degrees Celsius by your electricity Distribution Company to reduce your central air conditioner’s electricity demand automatically.
How often does the peaksaver PLUS® program get activated?
- Only on weekdays (Monday through Friday) from May 1 to September 30, and never on holidays.
- Typically between 12 p.m. and 7 p.m. for a maximum of four hours.
- Not more than ten activations during the summer. (2010 had only 3 activations).
- Your AC fan will continue to operate so that there is only a 1° or 2° change in temperature of your home.
- You have the right to opt out in advance of a specified date by calling 1‑866‑380-6051.
Who is eligible to participate in the peaksaver PLUS® program?
- Have a central air conditioning unit that works.
- Live in a single family dwelling (home or townhouse).
- Be the homeowner or have the homeowner’s written permission to participate.
How can I join the peaksaver PLUS® program?
Click here to register online, or call 1-866-380-6051.

peaksaver PLUS® is a registered trademark of Toronto Hydro Corporation, used under license.