Check our Storm Centre outage map (updated every 10 minutes). Report outages 24/7 at 1-800-434-1235 or online. Download our mobile app for Android or iOS. Sign up for Outage Alerts to stay informed.

Contact Media.Relations@HydroOne.com or call 416.345.6868 / 1.877.506.7584 (toll-free).

We support New customer move in, Existing customer move in, New service layout requests, Contractor/builder move in, Lawyer move in/out, and Moving out. Visit our website to get started.

Access services like Paperless billing, AutoPay, Outage alerts, Budget billing, and Summary billing. To delete your account, call 1.888.664.9376. This does not affect your service or billing account.

Learn what to do if you have suffered damage to your property by visiting our damage claims page.

For shareholder inquiries, contact Computershare Trust Company of Canada at 514.982.7555 or 1.800.564.6253. For institutional investor inquiries, email investor.relations@HydroOne.com. Mailing address: Hydro One Investor Relations, 483 Bay St., 7th Floor, Toronto, ON M5G 2P5, Canada.

Connect with us

Q: Residential and small businesses inquiries

Visit our billing and rates pages: My bill explained, Rates and charges, Submit a meter reading, Explain delivery charges, Billing & payment methods. Small Business examples include Convenience Stores, Gas Stations, Retail Stores. For customer service, call 1.888.664.9376 (Mon–Fri: 7:30am–8:00pm) or mail P.O. Box 5700, Markham, ON L3R 1C8.

Q: Request a service

We offer services like Tree trimming, Temporary disconnect, Underground cable locate, Electrical inspection, New service layout, Service upgrade, Stray voltage assessment, and Large vessel move. Visit our website to request these services.

Q: Right of way and property maintenance

For general inquiries call 1.888.664.9376. For real estate inquiries, email RE@HydroOne.com.

Q: Large business (>50KW) accounts

Large Business Account examples include Hospitals, Manufacturing & Mines. Call 1.866.922.2466 (Mon–Fri: 8:30am–4:00pm).

Q: Corporate head office

Call 416.345.5000 or 1.877.955.1155 (toll-free). Mailing address: Hydro One Networks Inc., 483 Bay St. (South Tower), 8th Floor Reception, Toronto, ON M5G 2P5. For regulatory affairs, email Regulatory@HydroOne.com or call 416.345.5866.

We're here to support your needs and keep you connected.

Call customer service

1.888.664.9376

Report an outage online

Report now

Chat live with us

Chat now

*Monday to Friday: 7:30am - 8:00pm

P.O Box 5700, Markham, ON L3R 1C8

We're ready to help you

We know how important safe and reliable electricity is to your daily life. Whether you have questions about your account or bill, are looking to request a service, report an outage, or get advice on energy savings, our team is here to help.

We value our customers by listening to truly understand your unique needs as we strive to provide assistance and answers quickly, when you need us most.

Outage map

Builder & contractor services

Billing & payment options

Move in/out or new service

To report an outage

Call us or report it online, we're available 24/7

1.800.434.1235 Report outage online

Local customer care representatives

Our team will help you make it an easy experience and will assist you with any concern you may have. Connect with us at 1.888.664.9376 or use the live online chat at the bottom right corner of your screen.

Supportive supervisors

If you feel your issue hasn't been resolved, our supervisors are available to assist further. Most times you can speak with a supervisor right away, but if call volume is high, they'll contact you within one business day to help resolve your concern

Customer relations

If you've spoken to a supervisor and aren't completely satisfied with the solution provided, they will offer to escalate your feedback or complaint to our Customer Relations office at CustomerRelations@HydroOne.com

10-day commitment

For all complaints or issues that are escalated to either a supervisor or Customer Relations, we'll either resolve your issue, or commit to a firm resolution date, within 10 days of when we first become aware of your complaint.

Looking for something specific?

Click the below drop-down menu to see various options pending to your unique needs.

Residential and small businesses inquiries

My bill explained Rates and charges Submit a meter reading Explain delivery charges Billing & payment methods

Billing & service inquiries:

Small Business examples are: Convenience Stores, Gas Stations, Retail Stores.

Customer service

1.888.664.9376

Monday to Friday: 7:30am - 8:00pm

Mail: P.O. Box 5700, Markham, ON L3R 1C8

Power outages

Our Storm Centre outage map is updated every 10 minutes. Report an outage, 24/7 at 1-800-434-1235 or online. Outage information at your fingertips. Get timely updates, a more localized view and track local weather with the Storm Centre online map and mobile app for both Android and iOS. Sign up for Outage Alerts, and stay in the know when the power goes out.

Request a service

Need to locate underground cables on your property, temporarily disconnect power, or trim trees that pose a hazard? We are here to help. Choose from one of the following options:

Tree trimming Temporary disconnect Underground cable locate Electrical inspection New service layout Service upgrade Stray voltage assessment Large vessel move

Right of way and property maintenance

General Inquiries: 1.888.664.9376

Real Estate Inquiries: RE@HydroOne.com

Large business (>50KW) accounts

Large Business Account examples are: Hospitals, Manufacturing & Mines.

1.866.922.2466

Monday to Friday: 8:30am - 4:00pm

Media inquiries

Media.Relations@HydroOne.com 416.345.6868 1.877.506.7584 (toll-free)

Moving made simple

New customer move in? Existing customer move in? Requesting a new service layout? Contractor/builder move in? Lawyer move in/out? Moving out of your property?

myAccount self-serve

Access your account 24/7 and take advantage of our services online!

Paperless billing AutoPay Outage alerts Budget billing Summary billing

Account deletion

To delete your myAccount Self-Service account and all of the associated data, please contact Customer Service at 1.888.664.9376 Note: this will not affect your service with us or your customer billing account.

Your claims

Learn what to do if you have suffered damage to your property.

Corporate head office

General inquiries & company directory:

416.345.5000 1.877.955.1155 (toll-free)

Mailing address:

Hydro One Networks Inc.

483 Bay St. (South Tower), 8th Floor Reception

Toronto, Ontario M5G 2P5

Regulatory affairs

Regulatory@HydroOne.com 416.345.5866

Investor contacts

General shareholder inquiries

Computershare Trust Company of Canada

514.982.7555 1.800.564.6253 (toll-free) 416.263.9394 (fax) 1.888.453.0300 (fax, toll-free)

Analysis & institutional investor inquiries:

Hydro One Investor Relations