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RSS Project Update

November 24, 2022

The Replacement of the Settlement System (RSS) is now scheduled for May 1, 2023. Further information on scheduled milestones will be provided in the coming weeks to ensure successful implementation. This will include release dates of sample files, training workbooks and training opportunities on changes to Notice of Disagreement timelines.

To facilitate the implementation date of May 1, 2023, the IESO will be submitting previously approved market rules to the Technical Panel to vote to recommend market rule changes. Should you have any questions or concerns in the interim, please contact

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