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St. Thomas Energy is now Entegrus Powerlines

The Ontario Energy Board has approved the merger between St. Thomas Energy Inc. and Entegrus Powerlines Inc. effective April 1, 2018.

We now proudly serve over 58,000 customers in Southwestern Ontario. This website is dedicated to former St Thomas Energy customers, all other customers please click here to visit

Entegrus Powerlines Inc. is the licensed energy distributor for St. Thomas, Chatham-Kent, Strathroy, Parkhill, Mount Brydges, Dutton and Newbury in southwestern Ontario. Regulated by the Ontario Energy Board, we are owned by the Municipality of Chatham-Kent, City of St. Thomas, and Corix Utilities.

We are committed to operating with local values in mind, while delivering safe, reliable and exceptional service.



Our Vision

To be an industry leader in all we do.

Our Values

• Safety • Inspired & Empowered People • Customer and Community Focus • Operational Excellence • Sustainable Growth


Customer Service
519 631-5550

24/7 Emergency Response Only
519 631-0311

Outage Information

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!