How to Pay Your Service Invoice or Customer Layout

Hydro Ottawa offers many different options to pay your Service Invoice or Customer Layout. Choose the method that’s most convenient for you. Once you’ve selected an option, please ensure you allow sufficient time for the payment to reach us by the due date. This time varies according to your payment option.

For information on how to pay your Hydro Ottawa electricity bill, visit How to Pay Your Bill.

Financial Institution

Make a payment through your bank or financial institution using telephone or online banking. Be sure to include your 20-digit Reference Number. Do not save this information as a Payee, as this number will change on each invoice you receive.

Credit Card

Use your credit card to pay your Service Invoice or Customer Layout online or by telephone. MasterCard and Visa are accepted.

Each transaction is subject to a percentage-based service fee of 1.75% of the total payment. Hydro Ottawa does not receive any portion of the service fee. There is no maximum amount per transaction.

Please allow up to two business days for processing. A non-sufficient funds charge of $25 applies for a returned payment on an account.

Credit card payment can be made online or by telephone. Be sure to have your account number and credit card information in hand before starting the payment process.


Once your transaction is complete, you will receive email notification that includes a confirmation number.


Pay Online



Call 613-738-6400 to make a credit card payment by telephone. Once your transaction is complete, you will receive a confirmation number.

Note: Credit card payments are not accepted by mail.

Electronic Transfer

Send your payment through an electronic transfer to Hydro Ottawa Limited; bank account information is provided on the reverse side of the invoice.

Once you have completed the electronic transfer payment, please send an email with your 20-digit Reference Number and the payment amount to [email protected].

Cheque or Money Order

Make your cheque payable to Hydro Ottawa Limited. Write your 20-digit Reference Number on the front of your cheque or include the remittance stub. Your Reference Number should be quoted in your money order.

Mail to:

Hydro Ottawa Limited
2711 Hunt Club Road,
PO Box 8700
Ottawa, ON K1G 3S4
Attn: Finance Department


If you have any questions about your invoice or payments, contact us by telephone at 613 738-6400 or online.


Hydro Ottawa Reference Number

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