Region Overview

The geographical area of the South Georgian Bay/Muskoka Region is the area roughly bordered by West Nippising on the North-West, the Algonquin Provincial Park on the North-East, Scugog on the South, Erin on the South-West, and Grey Highlands on the West. This region is divided into two sub-regions: 

  • Barrie/Innisfil Sub-region: This area encompasses the City of Barrie, the Towns of Innisfil, New Tecumseth and Bradford West Gwillimbury, and the Townships of Essa, Springwater, Clearview, Mulmur, and Adjala-Tosorontio.

  • Parry Sound/Muskoka Sub-region: This area encompasses the Districts of Muskoka and Parry Sound, and the northern part of Simcoe County.

Region's Local Distribution Companies

  • Hydro One Networks Inc.
  • Alectra Utilities Co.
  • Collingwood PowerStream Utility Services Corp. (COLLUS PowerStream Corp.)
  • Innisfil Hydro Distribution Systems Limited
  • Lakeland Power Distribution Ltd.
  • Midland Power Utility Corp.
  • Orangeville Hydro Ltd.
  • Orillia Power Distribution Corp.
  • Parry Sound Power Corp.
  • Tay Power
  • Veridian Connections Inc.
  • Veridian-Gravehurst Hydro Electric Inc.
  • Wasaga Distribution Inc.


Map: South Georgian Bay Muskoka

Current Status

The first regional planning cycle for South Georgian Bay/Muskoka region is now complete. The Regional Infrastructure Plan (RIP) for this region was completed in August 2017. It is expected that the next planning cycle for this region be initiated within the next three to five years.

Accomplishment (Most Recent Shown First) Status Completion Date
Regional Infrastructure Plan Completed August 2017
​Integrated Regional Resource Plan – Barrie/Innisfil Completed December 2016
​Integrated Regional Resource Plan – Parry Sound/Muskoka Completed December 2016
​Local Plan – Orangeville TS End-of-Life Replacement Completed May 2016
Scoping Assessment Completed June 2015
​Needs Assessment Completed March 2015

*The completed reports are available below. 

As recommended by the Scoping Assessment report, two sub-regional IRRPs (for Barrie/Innisfil and Parry Sound-Muskoka Sub-regions) were completed. In addition, a Local Plan was also developed for Orangeville TS End-of-Life Replacement.

Relevant Documents

Regional Infrastructure Planning (RIP)
Name Completion Date
South Georgian Bay - Muskoka RIP Final August 2017
Local Planning (LP)
Completion Date
Local Planning Report - Orangeville TS EOL Replacement May 2016
Needs Assessment (NA) & Scoping Assessment (SA)
Name Completion Date
Needs Assessment Report - South Georgian Bay - Muskoka  April 2020
Needs Assessment Report - South Georgian Bay - Muskoka  March 2015
Scoping Assessment - IESO South - Georgian Bay - Muskoka  June 2015
Planning Status Letters
Name Completion Date
InnPower - Planning Status Letter  April 2016
Newmarket - Tay Power - Planning Status Letter  February 2016
Hydro One Distribution - Planning Status Letter  November 2013
Additional Documents
Completion Date
IESO Letter to Hydro One Re Barrie TS  December 2015