Baseline Schedule
Milestones |
Baseline 54.1 | Baseline 55.0 | Baseline 55.1 | Baseline 56.0 | Baseline 56.1 |
---|---|---|---|---|---|
Technical Interface Documents All technical interface documents relating to the upcoming IT Release Schedule are posted on the Pending Changes – Documents page for Market Participant comment. The IESO will post technical documents as they are made available and may not occur on the proposed date indicated. Documents may be deferred to the Market Facing document posting date. Refer to the IT Release Schedule for specific dates. |
Sep 22, 2025 |
Dec 22, 2025 |
Mar 18, 2026 |
Jun 24, 2026 |
Sep 16, 2026 |
Baseline Plan The baseline plan provides details of all document revisions, including stakeholder history and impact of change. It is made available as documents are identified for baseline inclusion. Documents submitted after impact assessment date will added to the plan under the heading “Update to Baseline”. |
Oct 14, 2025 |
Jan 12, 2026 |
Apr 7, 2026 |
Jul 6, 2026 |
Oct 13, 2026 |
Market Facing Documents New and revised market manuals and related documents are posted on the Pending Changes – Documents page. IESO initiates impact assessment, inviting market participants to review updated documents and provide feedback regarding document revisions. |
Oct 15, 2025 |
Jan 14, 2026 |
Apr 8, 2026 |
Jul 8, 2026 |
Oct 14, 2026 |
Final Publishing of Documents Final approved documents published on the IESO website. |
Dec 3, 2025 |
Mar 4, 2026 |
Jun 3, 2026 |
Sep 9, 2026 |
Dec 2, 2026 |