Where am I ?

Contact Us 

Customer Communications Centre:
Billing and Service Inquiries (7:30 am - 8:00 pm EST, Monday to Friday)
Fax
Report a Power Outage, Fallen Tree Hazard or Emergency (24 Hours)
Mailing Address

CustomerCommunications@HydroOne.com
1-888-664-9376
(905) 944-3251
1 (800) 434-1235
Hydro One Networks Inc.
P.O. Box 5700, Markham, Ontario  L3R 1C8

Environment, Health and Safety:
Toll-Free Electric and Magnetic Fields (EMF) Inquiries


1-800-728-9533

Sponsorships/Donations:

See Sponsorships and Donations

Regulatory:
(for questions on applications filed by Hydro One Networks with the Ontario Energy Board)
Fax

regulatory@HydroOne.com

416-345-5866

Transmission Corridor Property Maintenance:
If you have a concern with conditions on Hydro One transmission corridors such as high grass or dumping, please call 1-888-664-9376. Hydro One does not own and is not responsible for maintaining all the property on these corridors. Before calling Hydro One, please contact your local municipality to confirm ownership. For the transmission corridor it maintains, Hydro One has a policy of cutting grass six times a year.


1-888-664-9376
E-mail Us a Corridor Maintenance Request

1-888-231-6657 (Hydro One Real Estate Services)

Security Operations:
If you have any information regarding people stealing electricity, please call our toll-free number. The Hydro One Theft of Power Tips Line is not traceable back to the person who calls. Please e-mail us if you notice any other suspicious activity relating to Hydro One property.


Security.Operations@HydroOne.com
1-866-550-6477

Careers:

See Careers

Industry Links: 

See Industry Links

Corporate Switchboard:
Toll-Free Line
In Toronto


1-877-955-1155
416-345-5000

Corporate Mailing Address:

483 Bay Street
North Tower, 15th Floor Reception
Toronto, Ontario   M5G 2P5

Industrial Customers and LDCs:

See Customer Business Relations