Hydro One

Site: Markham Office

Record Details
Former Name Hydro-Electric Power Commission of Ontario (HEPC)
Toll Free Phone Billing and Service Inquiries 1-888-664-9376
After Hours Phone Report Power Problems and Emergencies 1-800-434-1235​ (Mon-Sun 24 hours)
Fax 905-944-3251
E-Mail CustomerCommunications@HydroOne.com
Website www.hydroone.com
Social Media Facebook Facebook: www.facebook.com/HydroOneOfficial
Instagram Instagram: www.instagram.com/hydrooneofficial
Twitter Twitter: www.twitter.com/HydroOne
YouTube YouTube: www.youtube.com/user/HydroOneNetworks
Established 1906
Funding Provincial ; Fees
Description (Service) Electrical energy distributor * connects customers to electrical power, reads meters, provides account administration, and maintains property, stations and easements used by Hydro One;

Safety programs children's electrical safety education (elementary students up to 13 years old) program is designed to educate children about ways to protect themselves from dangers posed by electrical facilities and encourage the safe use of electricity * download materials from site or contact for more information;

PowerPlay grants program supports and enhances children’s sports and recreation facilities in municipalities and registered charities where HydroOne is the local electricity supplier * must be serving youth within an indigenous community;

Leonard S. (Tony) Mandamin Scholarship granted annually to First Nations, Métis and Inuit post-secondary students * recipients granted a financial award in the amount of $5,000 and those eligible may have an opportunity to complete a paid developmental work term;

Women in Engineering Scholarship 10 Scholarships of $5,000 each are available for women studying engineering at the undergraduate level in accredited Ontario universities * Women receiving scholarship will also have the opportunity to engage in a paid developmental work term;

William Peyton Hubbard Award granted annually to two black students (where possible, one male and one female) studying power industry related disciplines at a recognized Ontario university or community college * recipients will be offered a work term/summer employment at Hydro One
Hours Markham Office Mon-Fri 8 am-4 pm * Billing and Service Phone Line Mon-Fri 7:30 am-8 pm, Sat 9 am-3 pm
Dates see website for application deadlines for scholarships
Areas Served York Region
Eligibility see website for information on scholarship eligibility
Application for scholarships visit http://www.hydroone.com/Careers/NewGrads/Awards to learn more and apply
Languages English ; French
Located In Community Markham
Address & Map
185 Clegg Rd
Markham, ON L6G 1B7
View Google Map
Intersection Warden Ave and Hwy 7
Mailing Address PO Box 5700 
Markham, ON L3R 1C8
Physical Access Unknown
Service Categories Electric Service Providers ; General Safety Education ~ Electric Shocks/Lightning Strikes ; Student Financial Aid
Print Material public safety information about general public use electricity safely and wisely on website


The partners of the York Info Community Information & Volunteer Database are committed to provide a database that is accurate, up-to-date and comprehensive. However, we are unable to assume any liability resulting from errors or omissions. Inclusion or omission of a program or service is not a comment on its quality, nor does it mean we endorse or do not endorse the program or service. Please read the Inclusion Policy for further details. Please contact York Info Community Information & Volunteer Database to report concerns or to make suggestions.

York Info Community Information & Volunteer Database focuses on records located in and serving York Region, but also maintains select resources beyond our borders which also support the residents of our respective municipalities.

Information Copyright

The partners of the York Info Community Information & Volunteer Database hold the intellectual property rights for the information on this site. You may display it on your computer and print or download this information for non-commercial, personal or educational purposes only. You must credit the York Info Community Information & Volunteer Database as the source on each copy of any information that originates from this site. The York Info Community Information & Volunteer Centre forbids any bulk downloading, or use of the database for any mass mailings, or other such usage. Please contact us for permission to use the information for any purpose other than those outlined here.

Other Community Information Sites available Online

211 Toronto/Community Information Toronto
211 Simcoe County
Brant Community Information Network
Community Information Partners Peel
Community Link North Simcoe
Information Durham
Haliburton, Northumberland, Peterborough & Victoria Counties
Haldimand & Norfolk
Halton Community Services Database
Information Cambridge/North Dumfries
Information Niagara
Information Sarnia-Lambton
Thunder Bay District
Volunteer and Information Kingston
Wellington County & Guelph