Ontario Hydro Customer Service Phone Number

Phone Number of Ontario Hydro is 1-888-664-9376, (905) 944-3251, 1 (800) 434-1235 .
Hydro One is electricity distributor in Ontario Provence of Canada. It delivers safe and reliable electricity to the consumers. The company is focused on Long term Energy plans of the province and has developed dependable electricity system for not only for current consumers but also for the Next generations consumers. Hydro One has four subsidiaries including Hydro One Networks Inc., and Hydro One Remote Communities Inc.

Hydro One Networks is the biggest subsidiary of the company which is handles planning, construction and other related operations of the network. The distribution company carries electricity from generation stations to the major industrial consumers and the distribution companies in the province. It provides services through high voltage transformer stations, towers and wires. Hydro One covers 97% area in Ontario and owns 30,000 km of electricity lines. The company also operates 26 interconnections that enables electricity to flow in and out from the province. It serves more than 1,300,000 customers in Ontario which makes it largest electricity distributor in the province. The Ontario Hydro call centre is open from Monday to Friday between 7:30 a.m. and 8:00 p.m. you can Call Ontario Hydro at : 1-888-664-9376?.

?Customer Communications Centre Information Of Ontario Hydro

  • Email: CustomerCommunications@hydroone.com?
  • For Billing and Service Inquiries (7:30 am - 8:00 pm EST, Monday to Friday), call at: 1-888-664-9376
  • To Report a Power Outage, Fallen Tree Hazard or Emergency (24 Hours), Call at: 1 (800) 434-1235?
  • Mailing Address?: Hydro One Networks Inc., P.O. Box 5700, Markham, Ontario L3R 1C8
  • Fax Numbers: Fax: (905) 944-3251 or 1-888-625-4401 (Toll-Free)
  • For More Corporate Head Office, Environment, Health & Safety, Local Distribution Companies (LDCs), Industrial/Large Customers and Generators, Regulatory Affairs, Right-of-Way and Property Maintenance, Security Operations ?and ?General Shareholder Inquiries Customer Service phone Numbers Visit at: http://www.hydroone.com/OurCompany/Pages/Contacts.aspx


Ontario Hydro Address

The address of Ontario Hydro is Hydro One Networks Inc, PO Box 5700, Markham, Ontario L3R 1C8 Canada.

Ontario Hydro Email Address

The email address of Ontario Hydro is CustomerCommunications@HydroOne.com.

Ontario Hydro Website

The Website of Ontario Hydro is www.hydroone.com.

Ontario Hydro Customer Support Service Phone Number

The customer support phone number of Ontario Hydro is 1-888-664-9376, (905) 944-3251, 1 (800) 434-1235 (Click phone number to call).


The postal and official address, email address and phone number (helpline) of Ontario Hydro Service Center and Ontario Hydro customer service phone number is given below. The helpline of Ontario Hydro customer service phone number may or may not be toll free.

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