Change an address

You can change an address by logging into your Customer Space. To do so, you’ll need the full street address of the premises you would like to add, including the postal code.

*Large-power customers: Contact your commercial officer to create your Customer Space.

Rate L or LG customers (5,000 kw or more)

Please give us at least 30 days’ notice of your planned moving date. That way, you’ll avoid paying for any electricity you haven’t used.

There will be a $20 administration charge (plus GST/QST) if you’re already a Hydro-Québec customer. If you’re a new customer, the charge will be $50 (plus GST/QST).

You’ll receive confirmation of your change of address.

Change address

Too soon to report your address change?

Even if you know your new address months in advance, you can wait before informing us of the address change. However, to make sure you don’t forget, you can ask us to send you an e-mail reminder prior to your move.

Request a reminder

Change your arrival or departure date

You’ve informed us of your moving date only to find your plans have changed? Modify the date by logging into your Customer Space.

If your annual billing is under $100,000

You can also make your request by calling us at 514 385 7252 (Montréal) or 1 888 385 7252 (everywhere else).

Business hours:
We can be reached from 8 a.m. to 8:30 p.m. Monday to Friday and 9 a.m. to 5 p.m. on weekends.

Request a new contract

If your annual billing is over $100,000

You can also make your request by e-mail at

Questions? We can be reached at 1 800 463-9900 from 8:30 a.m. to 4:30 p.m., Monday to Friday.

Request a new contract

If you are billed at Rate L or LG

If you are a large-power customer (Rate L or LG), please contact your commercial officer.

Any person or corporation not responsible for an electricity service contract in Québec within the past five years is deemed to be a new customer.