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Welcome to St. Thomas Energy

St. Thomas Energy Inc. is the licensed energy distributor for St. Thomas, Ontario. Regulated by the Ontario Energy Board, we are owned by the Ascent Group of Companies, which is wholly owned by the City of St. Thomas. QUASAR Registered

St. Thomas Energy Inc. is committed to providing safe, reliable electricity and excellent service to our customers. In keeping with that commitment, we have been registered with the ISO 9001 Quality Management System since 1999.

We are proud of the following two achievements:

  • St. Thomas Energy Inc. through a third party survey was found to be ranked higher than the 2017 Provincial and National averages in customer satisfaction.
  • St. Thomas Energy Inc. has over 20 years and 1.2 million hours of work without a lost time injury.



Our Vision

To be the industry leader in energy solutions and services.

Our Values

• Honesty • Attitude • Respect • Teamwork


Customer Service
519 631-5550

24/7 Emergency Response Only
519 631-0311

Customer | Connect

Customer Connect allows you to view your TOU usage, see in-a-glance billing and payment history and many more features. Register today and sign up for eBilling!