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Region Overview

The St Lawrence Region covers the southeastern part of Ontario bordering the St Lawrence River. The region starts at the Gananoque on the eastern end of Lake Ontario and extends to the inter-provincial boundary with Quebec. 

The City of Cornwall is supplied by Fortis Ontario with transmission lines from Quebec and not included in this Region.

Region's Local Distribution Companies

  • Cooperative Hydro Embrun Inc.
  • Hydro One Networks Inc.
  • Rideau St. Lawrence Distribution Inc.

Map: St. Lawrence

Current Status

The first regional planning cycle for this region is complete. The Regional Infrastructure Plan (RIP) for the region was published in July 2016. It is expected that the next planning cycle for this region be initiated in the next 3-5 years.

Regional Planning for the St. Lawrence Region started with the Information Gathering on December 2015 and the Needs Assessment report was completed on April 2016.

Consistent with the process established by the Planning Process Working Group the Regional Infrastructure Plan (RIP) is the last phase of the planning process. In view that no further regional coordination was required, the Needs Assessment report will be deemed to form the RIP report for the St. Lawrence Region.

Accomplishment (Most Recent Shown First) Status Completion Date
Regional Infrastructure Plan Completed July 2016
​Needs Assessment Completed April 2016

*The completed reports are available below. 

Relevant Documents

Local Planning (LP)
Name Completion Date
RIP Report - St. Lawrence  July 2016
Needs Assessment (NA) & Scoping Assessment (SA)
Name Completion Date
Needs Assessment Report - St Lawrence  April 2016
Planning Status Letters
Name Completion Date
Hydro One Distribution - Planning Status Letter  November 2013