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Regional Electricity Planning - South Georgian Bay/Muskoka

Forecasting and Planning

Regional electricity planning has kicked-off in the South Georgian Bay-Muskoka electrical region to ensure a reliable supply of electricity, and to support local growth and economic development. Regional planning looks at the unique needs of each region and considers wire and non-wire options and innovative resources to meet the needs. This engagement initiative will provide interested parties with an opportunity to offer input for consideration during the regional planning process.

Regional electricity plans take up to a 20-year outlook on every region in the province. The planning process provides an opportunity for participants to tell the IESO about anticipated needs and priorities, and to contribute to the development of the options for meeting this region’s future electricity needs.

All interested parties are invited to participate in this engagement initiative and may include but are not limited to:

  • The townships of the Archipelago, Algonquin Highlands, Armour, Carling, Georgian Bay, Joly, Lake of Bays, McKellar, McMurrich-Monteith, Minden Hills, Muskoka Lakes, Oro-Medonte, Perry, Ramara, Ryerson, Seguin, Severn, Strong, Tay, Tiny, Essa, Springwater, Clearview, Mulmur, Brock, Amaranth, East Garafraxa, Machar, Melancthon, Nipissing, Scugog, Uxbridge and Adjala-Tosorontio, the United Townships of Dysart, Dudley, Harcourt, Guilford, Harburn, Bruton, Havelock, Eyre and Clyde, the villages of Burk’s Falls, South River, and Sundridge, the towns of Bracebridge, Gravenhurst, Huntsville, Kearney, Midland, Penetanguishene, Innisfil, New Tecumseth, Collingwood, Grand Valley, Mono, Orangeville, Parry Sound, Shelburne, The Blue Mountains, Wasaga Beach, and Bradford West Gwillimbury, the municipalities of Highland East, Magnetawan, McDougall, Callander, Grey Highlands, Highlands East, Whitestone Powassan, and the district municipality of Muskoka, the counties of Dufferin, Simcoe and Haliburton, as well as the City of Orillia, the City of Kawartha Lakes, and the City of Barrie
  • Indigenous communities that may be potentially impacted or may have an interest based on treaty territory, traditional territory or traditional land uses: Alderville First Nation, Algonquins of Ontario, Algonquins of Pikwakanagan First Nation, Beausoleil First Nation, Chippewas of Georgina Island First Nation, Chippewas of Nawash First Nation, Chippewas of Rama First Nation, Chippewas of Saugeen First Nation, Curve Lake First Nation, Dokis First Nation, Haudenosaunee Confederacy Chiefs Council, Henvey Inlet First Nation, Hiawatha First Nation, Kawartha Nishnawbe, Magnetawan First Nation, Mississaugas of Scugog Island First Nation, Mississaugas of the Credit First Nation, Moose Deer Point First Nation, Nipissing First Nation, Shawanaga First Nation, Six Nations of the Grand River, Wahta Mohawks, Wasauksing First Nation, Wendat Nation, Whitefish River First Nation, Métis Nation of Ontario, and Metis Nation of Ontario Region 7.
  • Local distribution companies (LDCs) who serve the community including Alectra Utilities, Elexicon Energy, Lakeland Power, EPCOR Electricity Distribution Ontario Inc., Newmarket-Tay Power Distribution Ltd., InnPower, Hydro One Networks
  • Hydro One Transmission
  • Consumers and service providers for the area

South Georgian Bay-Muskoka Technical Working Group - The Technical Working Group is led by the IESO and consists of the LDCs in the region and the local transmitter. The group will use regional planning engagement initiatives to incorporate input while developing the IRRPs for the region.

All comments and enquiries on this engagement initiative can be directed to engagement@ieso.ca.

Related Information 

See also the South Georgian Bay/Muskoka regional planning webpage

Active Engagement
Date Materials Expected Actions

November 18, 2025

Deadline for public comment on South Georgian Bay-Muskoka Scoping Assessment Outcome Report

  • Feedback Form

All feedback to be posted

November 4, 2025

Public Webinar

  • Presentation

Register

October 22, 2025

Launch Scoping Assessment Engagement

  • Communication
  • Draft Scoping Assessment Outcome Report
 
2022 Barrie/Innisfil Engagement Activities
Date Materials Expected Actions

June 24, 2022

South Georgian Bay/Muskoka Integrated Regional Resource Plan Appendices Posted

Communication

 

June 17, 2022

2022 Barrie/Innisfil IRRP – Appendices

2022 Barrie/Innisfil Bulk – Appendices

Posted

May 26, 2022

2022 Barrie/Innisfil IRRP

Engagement Closed

Posted

May 3, 2022

Feedback on webinar #3 due

Feedback form

No feedback received.

Feedback to be posted

April 6, 2022

2:00 p.m.

Public Webinar #3

Presentation

Overview of IRRP and recommendations, including details on evaluation of alternatives

Communication

Recorded Presentation

January 20, 2022

Response to feedback

Posted

December 30, 2021

Feedback on webinar #2 due

Feedback form

Feedback to be posted

December 9, 2021

Public webinar #2

Communication

Presentation

  • Overview of options screening
  • Overview of range of potential solutions to be examined

Outline of next steps, timelines and considerations for broader engagement

Recorded Presentation

Seek input on options screening and range of potential solutions to be examined

October 14, 2021

IESO response to feedback

Final engagement plan

Posted

September 30, 2021

Feedback due on public webinar #1

Feedback to be posted

September 9, 2021

10:00 a.m.

Public Webinar #1

Communication

Draft Engagement Plan

Presentation

  • Overview of the regional electricity planning process in Ontario
  • Update on planning activities underway in the sub-region
  • Summary of preliminary regional demand forecast and needs and draft engagement plan

Recorded Presentation

Seek input on draft engagement plan, electricity demand forecast and preliminary needs identified

Feedback form

2022 Parry Sound/Muskoka Engagement Activities
Date Materials Expected Actions

June 24, 2022

South Georgian Bay/Muskoka Integrated Regional Resource Plan Appendices Posted

Communication

 

June 17, 2022

2022 Parry Sound/Muskoka IRRP – Appendices

2022 Parry Sound/Muskoka Bulk – Appendices

Posted

May 26, 2022

2022 Parry Sound/Muskoka IRRP

Engagement Closed

Posted

May 3, 2022

Feedback on webinar #3 due

Feedback form

No feedback received.

Feedback to be posted

April 12, 2022

1:30 p.m.

Public Webinar #3

Overview of IRRP and recommendations, including details on evaluation of alternatives

Communication

Presentation

Recorded Presentation

January 19, 2022

Response to feedback

Posted

December 29, 2021

Feedback on webinar #2 due

Feedback from

Feedback to be posted

December 8, 2021

Public webinar #2

Communication

Presentation

  • Overview of options screening
  • Overview of range of potential solutions to be examined

Outline of next steps, timelines and considerations for broader engagement

Recorded Presentation

Seek input on options screening and range of potential solutions to be examined

October 13, 2021

IESO response to feedback

Final engagement plan

Posted

September 29, 2021

Feedback due on public webinar #1

Feedback to be posted

September 8, 2021

10:00 a.m.

Public Webinar #1

Communication

Draft Engagement Plan

Presentation

  • Overview of the regional electricity planning process in Ontario
  • Update on planning activities underway in the sub-region
  • Summary of preliminary regional demand forecast and needs and draft engagement plan

Recorded Presentation

Seek input on draft engagement plan, electricity demand forecast and preliminary needs identified

Feedback form

2020 South Georgian Bay/Muskoka Engagement Activities
Date Materials Expected Actions

November 30, 2020

IESO response to feedback

Final Scoping Assessment

Posted

Engagement closed at regional level; continues at Barrie/Innisfil and Parry Sound/Muskoka sub-regional level 

November 4, 2020

Feedback due on load forecast, preliminary local needs/issues and timelines

 

October 14, 2020

Public Webinar #1

Communication

Presentation

  • Overview of the regional electricity planning process in Ontario
  • Update on planning activities underway in the region
  • Overview of draft Scoping Assessment

Next steps

Recorded Presentation

Seek input on draft load forecast, preliminary local needs/issues and timelines

October 8, 2020

Draft South Georgian Bay/Muskoka Scoping Assessment Outcome Report

Posted for public comment 

October 1, 2020

Launch South Georgian Bay/Muskoka Scoping Assessment engagement