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Technical Panel Market Rule Amendment Determinations

October 9, 2025

The Technical Panel voted to recommend the following market rule amendment proposals to the IESO’s Board of Directors for review:

  • Post Go Live True-Ups for the Renewed Market (MR-00484-R00-R05): These proposals contain various non-substantive changes required to better align the market rules with the correct functioning of the renewed market’s implementation.
  • Capacity Auction Tie-Break Methodology (MR-00488-R00). This proposal introduces a multi-step tie-break process within the capacity auction clearing optimization

The amendment proposals are available on the Proposed Market Rule Amendments webpage.

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