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Regional Electricity Planning - Barrie/Innisfil

Forecasting and Planning

Regional electricity planning has commenced for the Barrie/Innisfil sub-region. This engagement initiative will provide interested parties with an opportunity to offer input for consideration as the process is underway on the development of an Integrated Regional Resource Plan (IRRP) anticipated to be complete in Q2 2022.

Regional electricity plans take a 20-year outlook on every region in the province. The planning process provides an opportunity for communities 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 Essa, Springwater, Clearview, Mulmur, and Adjala-Tosorontio, the towns of Innisfil, New Tecumseth, and Bradford West Gwillimbury, as well as the City of Barrie
  • Indigenous communities including Chippewas of Georgina Island, Huron Wendat, Kawartha Nishnawbe, Métis Nation of Ontario - Georgian Bay Métis Council, Métis Nation of Ontario - Moon River Métis Council, and Métis Nation of Ontario - Barrie South Simcoe Métis Council
  • Local distribution companies (LDCs) who serve the community including Alectra Utilities, InnPower, and Hydro One Networks
  • Transmitters
  • Consumers and service providers for the area

Additional details on the IESO’s plans to engage with communities and interested parties throughout this process will be posted as part of a draft engagement plan, that will be open to public comment before finalizing by early Q4 2021.

Barrie/Innisfil Technical Working Group- A Technical Working Group consisting of the LDCs in the region (listed above), the local transmitter, Hydro One Networks and the IESO will use this regional planning engagement initiative to consider input that will identify and meet local electricity needs.

All comments and enquiries in this engagement initiative can be directed to

Related Information

Also see the regional planning webpage for Barrie/Innisfil

Schedule of Activities

Date Materials Expected Actions

June 24, 2022

South Georgian Bay/Muskoka Integrated Regional Resource Plan Appendices Posted



June 17, 2022

2022 Barrie/Innisfil IRRP – Appendices

2022 Barrie/Innisfil Bulk – Appendices


May 26, 2022

2022 Barrie/Innisfil IRRP

Engagement Closed


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


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


Recorded Presentation

January 20, 2022

Response to feedback


December 30, 2021

Feedback on webinar #2 due

Feedback form

Feedback to be posted

December 9, 2021

Public webinar #2



  • 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


September 30, 2021

Feedback due on public webinar #1

Feedback to be posted

September 9, 2021

10:00 a.m.

Public Webinar #1


Draft Engagement Plan


  • 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