Save on Energy

Response to COVID-19: As the impact of COVID-19 continues to unfold, in-person interactions for Save on Energy programs have temporarily ceased. This includes the installation of equipment by Save on Energy representatives for business and residential programs, as well as face-to-face customer interactions. The IESO will continue to accept new applications. Support continues to be available for customers by phone or email. Please visit the contact us page and for more information, read our FAQs.

Contact Us

Have a question? We can help.

Retrofit Program

To learn more about the Retrofit program contact 1-844-303-5542 or

Hours of operation:
Monday to Friday, 8:30 a.m. to 5 p.m.

Need help getting started?
Give us some details about your project and we’ll call you back within two business days with some tailored advice.


Process and Systems Upgrades Program

To learn more about opportunities available to distribution and transmission-connected customers, contact us at


Energy Manager Program

To learn more about energy managers, contact us at


Energy Performance Program

To learn more about Energy Performance Program opportunities, contact us at

Small Business Lighting

To learn more about energy-efficient lighting upgrades for your business contact us at or call

Home Assistance Program

To learn more about the Home Assistance Program for income-eligible residents, call 1-855-591-0877, email or fill out a contact form to receive a call back from the program service provider within two business days.


Heating and Cooling Program 

The Heating and Cooling Program is now closed.

If an application has already been submitted, you can check the status of your rebate online.

You can also contact or call 1-877-688-3062.

General inquiries

For general information on Save on Energy programs, please contact us at



Save on Energy Community Programs

Some local hydro companies are delivering Save on Energy energy-efficiency programs for their communities. These community programs are only available to customers in their service territories. For more information on these programs, please contact the local hydro company indicated below:

Find your local hydro company

If you opened a project application through your local hydro company before April 1, 2019, you can find their contact information here. Enter your postal code below.

Note that some postal code areas are served by more than one company.