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2025 Baseline Schedule for IESO Document Changes Now Available

October 3, 2024

The 2025 Baseline Schedule for the publication of new and revised IESO technical interface documents, market manuals and baseline plans is available on the Baseline Schedule webpage.

The baseline is a formal process to revise market manuals and related documents that result from recently approved market rule amendments, revised procedures or technical system changes. Market Participants are advised to review the schedule to ensure they are aware of document change timelines.

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