Contact
Have a question? We can help.
Retrofit Program
To learn more about the Retrofit program contact 1-844-303-5542 or retrofit@ieso.ca.
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 ProcessAndSystemsUpgrades@ieso.ca.
Energy Manager Program
To learn more about energy managers, contact us at EnergyManagers@ieso.ca.
Energy Performance Program
To learn more about Energy Performance Program opportunities, contact us at EnergyPerformanceProgram@ieso.ca.
Small Business Lighting
To learn more about energy-efficient lighting upgrades for your business contact us at SmallBusinessLighting@ieso.ca or call
1-866-932-8283.
Home Assistance Program
To learn more about the Home Assistance Program for income-eligible residents, call 1-855-591-0877, email hap@greensaver.org 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 hvacpayments@summerhill.com or call 1-877-688-3062.
General inquiries
For general information on Save on Energy programs, please contact us at saveonenergy@ieso.ca.
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.