Electricity Rates 

Rates - Calculated by Postal Code (Residential)

Rates - Calculated by Postal Code (Commercial) 

Decision and Order for 2019 Rates

Decision and Order for 2020 Rates 


Ontario's System-Wide Electricity Supply Mix



2019 Scorecard

2018 Scorecard

2017 Scorecard

2016 Scorecard

2015 Scorecard


Distribution Licence


Ontario Energy Board (OEB) Applications 

  • Entegrus Powerlines Inc. has applied to the Ontario Energy Board (OEB) seeking approval of distribution rates to be effective January 1, 2020 for the St. Thomas rate zone and May 1, 2020 for the Main rate zone. View the application here.
  • St. Thomas Energy Inc. has applied to the Ontario Energy Board for approval to amalgamate with its parent, Ascent Group Inc. to form STE Amalco. Entegrus Inc. has applied to the Ontario Energy Board for leave to acquire the shares of STE Amalco in exchange for shares of Entegrus Inc., and to amalgamate STE Amalco with Entegrus Powerlines Inc. The amalgamated company will be called Entegrus Powerlines Inc. The applicants have also asked to transfer St. Thomas Energy Inc.’s current rate orders to the new company and to cancel St. Thomas Energy Inc.’s electricity distribution licence.  To view the full application and evidence in this proceeding, click here.

  • Download the public notice (PDF)

  • Entegrus Powerlines Inc. has applied to the Ontario Energy Board (OEB) to adjust distribution rates effective January 1, 2019 for its St. Thomas Rate Zone and effective May 1, 2019 for its Main Rate Zone.  Information on the application is available on the OEB Website.


Major Event Reporting

Download the April 14, 2018 Major Event Report


Ontario Electricity Rebate Effective November 1, 2019

Effective November 1, 2019, the Province of Ontario replaced the 8% Provincial Rebate with a new 31.8% Ontario Electricity Rebate (“OER”). 

There are new notice requirements for the OER for residential multi-unit accounts.  Please review the eligibility requirements and complete the attached “Ontario Electricity Rebate Eligibility Form” and return by January 31, 2020.

Click here to download the Ontario Electricity Rebate Eligiblility Form 

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