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Transmitter Selection Framework

Resource Acquisition

Following the release of the Powering Ontario’s Growth (POG) report in July 2023 and in response to the July 10 letter from the Minister of Energy, the IESO is launching an engagement initiative on the development of a Transmitter Selection Framework (TSF), a key initiative that will support the Ministry’s planned actions as set out in the POG report. As indicated in the July 10 letter, the IESO has been asked to report back to the Minister on its progress towards development of a TSF by Summer 2024.

Given the growing role that transmission will play in maintaining reliability and in driving the energy transition, the IESO will work to design the TSF as a predictable and efficient process that aligns with bulk system and regional planning.

In order to support its report back to the Minister and to advance the work on the development of the TSF, the IESO will commence public engagement with Indigenous Communities, Ontario municipalities and industry stakeholders, starting in November 2023. To support the engagement process, the IESO will post a draft engagement plan that will outline expected engagement activities, timelines and considerations for how stakeholders and communities will be engaged to advance the IESO’s efforts in developing the proposed TSF and report back to the Minister.

The engagement plan associated with the TSF development will be executed in alignment with the IESO’s engagement principles. For comments and inquiries, please contact

Schedule of Activities


Engagement Activity

Expected Actions

Summer 2024

  • Report back to the Minister of Energy

January – June 2024

  • Public engagements
  • Outreach to Indigenous communities and municipalities
  • Technical Working Group meetings (to be determined)

December 15, 2023

Following the November 22 engagement webinar, the IESO is seeking feedback from participants on the items discussed during the webinar.


November 22, 2023

Public Engagement Session to:

  • Raise Awareness: Educate stakeholders and communities about the importance of their input into the TSF
  • Solicit Feedback: Enable stakeholders to provide input regarding the TSF engagement approach
  • Presentation
  • Feedback Form

Recorded Presentation

This webinar was presented during the IESO's November stakeholder engagement sessions, see full agenda for more information