Ontario Power Generation

Contact Us

You may be able to find the answer to your question in our FAQ's section.

The Accounts Payable department is available to answer any of your invoicing or payment related questions. We can answer your questions regarding:

• a Purchase Order related invoice;
• tax information;
• other accounts payable issues.

The Help Desk does not assist with inquiries regarding payment status. Please visit our Invoice Query section for status inquiries.

Contact Information

Accounts Payable Help Desk
Email - Help Desk
Telephone - 416-592-4005 in the Toronto area or toll free at 1-888-264-3460
Regular hours are Monday through Friday, 8 a.m. to 3 p.m., Eastern Standard Time.

Accounts Payable EFT Registration/Change/Cancel
Email - mary.novakis@opg.com

The Accounts Payable Help Desk provides vendors with a single point of contact for all calls concerning payment of vendor invoices.

• Emailing - Help Desk
• Telephoning - 416-592-4005 in the Toronto area or toll free at 1-888-264-3460
• Faxing - 416-592-2388