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Peaksaver PLUS Program for Ontario Businesses

peaksaver PLUS devices deactivated after September 30, 2017. 

Over the last ten years, the peaksaver PLUS program has provided Ontarians a unique opportunity to contribute to grid reliability. peaksaver PLUS devices have allowed the IESO, as grid operator, to curtail energy demand during hot days, reducing the need to rely on power plants to produce more energy. Thermostats installed during the program will continue to work but will no longer be controlled outside the home unless you chose to sign up for a new program that may become available in your region.    

Smart technology has progressed significantly over this time and is now used in a variety of applications – including home thermostats. These technologies open the door for new programs and offerings that take advantage of the new capabilities.
You can find other smart thermostat programs available in your area at   

So to those who participated in peaksaver PLUS – thanks for your contribution and stay tuned for more demand response and energy efficiency programs in the near future.


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