Customer support · Ontario
Contact Just Energy
How to reach Just Energy
Customer service
1-866-587-8674
Canadian residential customer service.
[email protected]
Customer-support inbox for billing, plans and account questions.
Website
justenergy.com
Official corporate site with plan information and signup flow.
Sign up directly
justenergy.com/service-areas/canada/ontario
Sign up for a Predict-a-Bill electricity or natural-gas plan on the provider's own website.
Postal addresses
Canadian head office
6345 Dixie Road, Suite 400
Mississauga, ON L5T 2E6
Canada
Operational head office of Just Energy Group Inc. and Just Energy Ontario L.P..
Registered office
First Canadian Place
100 King Street West, Suite 2630, P.O. Box 355
Toronto, ON M5X 1E1
Canada
Registered legal address of Just Energy Group Inc..
OEB licence & corporate registration
Just Energy Ontario L.P. is the Ontario operating entity of Just Energy Group Inc., founded in 1997 by Rebecca MacDonald as Ontario Energy Savings Corp. The parent emerged from CCAA restructuring on 16 December 2022 as a privately held company owned by its former senior secured lenders.
- Legal entity: Just Energy Ontario L.P.
- Parent company: Just Energy Group Inc. (Mississauga)
- OEB Electricity Retailer Licence: ER-2015-0118
- OEB Gas Marketer Licence: GM-2015-0119
- Founded: 1997, Mississauga, Ontario
- Regulatory history: Multiple OEB administrative settlements over door-to-door sales-practice compliance; July 2016 Ontario employment-misclassification class action; U.S. consumer-protection settlements (Massachusetts, Illinois, New York, Ohio); August 2025 securities class-action settlement (US$25M); CCAA filing March 2021, exit December 2022
Verified against the OEB's licensed-companies register and Just Energy's own public filings, including Securities and Exchange Commission filings and Ontario Superior Court documents.