Hydro One — frequently asked questions
Questions about Hydro One bills, tariff, payment, complaints, and new connections — answered with primary sources where applicable.
Frequently asked questions
What is the Hydro One Account Number?
10-digit Hydro One account number on bills. Example: 1234567890.
How do I check my Hydro One bill online?
Enter the Account Number in the form at the top of the Hydro One bill check page on this site, or visit https://www.hydroone.com/account.
What is the Hydro One customer-service number?
1-888-664-9376
How long does Hydro One payment take to reflect?
Online (portal/bank app/wallet from balance): instant. Cash at counters: 2-4 working hours. Cheque: 2-3 working days.
What if my Hydro One bill is wrong?
Contact Hydro One customer service first with the bill in hand. Get a complaint reference number. Escalate to CER after the statutory turnaround if unresolved.
How do I apply for a new Hydro One connection?
Online via https://www.hydroone.com/account or at any customer-service office. Documents: ownership/rental, national ID, address proof, application fee. Timeline 15-45 working days.
Where does Hydro One supply electricity?
Ontario (rural and small towns) in Canada.
Is the Hydro One bill accepted as proof of address?
Yes, within 3 months of bill date and matching applicant name.
Does Hydro One offer rooftop solar net-metering?
Where Canada's regulator has approved net-metering, yes. Check https://www.cer-rec.gc.ca/ for the current scheme.
Can I change the name on my Hydro One bill?
Yes — file a Change of Name (CON) at any customer-service office. Timeline 7-21 working days.