Ontario Hydro Customer Service Number

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Find Official Address of Ontario Hydro:

Hydro One Networks Inc, PO Box 5700, Markham, Ontario L3R 1C8 Canada

Send your email to Ontario Hydro at the above address or you can personally visit the place on the given address.

The Email Address to Send Email to Ontario Hydro:


Communicate with Ontario Hydro through the email address displayed above for any query, help, suggestion and feedback.

Call Ontario Hydro on the Helpline Number:

1-888-664-9376, (905) 944-3251, 1 (800) 434-1235 (Call by Touch)

Pick up your phone and call Ontario Hydro on the specified contact number.

Let Us Know HERE if the provided contact numbers, email address or website of Ontario Hydro are invalid.

Know More from their Website:


Open www.hydroone.com website and get all required information from there.

Are You Satisfied After Making Call To Ontario Hydro?

What is Ontario Hydro?

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

Contact Ontario Hydro

Ontario Hydro resides at Hydro One Networks Inc, PO Box 5700, Markham, Ontario L3R 1C8 Canada provides here all the necessory details like helpDesk helpline numbers i.e. 1-888-664-9376, (905) 944-3251, 1 (800) 434-1235 by which customers can reach to Ontario Hydro easily. Here on this page you can get customer service toll free helpline number of Ontario Hydro. you can contact them by their email address CustomerCommunications@HydroOne.com.
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Go to Ontario Hydro website that is www.hydroone.com and get more information from there.

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Ontario Hydro Phone Number, Contact Address, Customer Service