Baseline Schedule

Details of all of the documents being revised for the current Baseline (and the next Baseline if available) can be found below.

See Document Library for previous Baseline Plans.


Baseline 36.1 Baseline 37.0 Baseline 37.1 Baseline 38.0 Baseline 38.1
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.
21 Sep 2016 14 Dec 2016 22 Mar 2017 28 Jun 2017 20 Sep 2017
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".
11 Oct 2016 9 Jan 2017 3 Apr 2017 10 Jul 2017 10 Oct 2017
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.
12-28 Oct 2016 11-27 Jan 2017 5-28 Apr 2017 12 Jul-
4 Aug 2017            
11-27 Oct 2017
Final Posting of Documents
Final approved documents published on the IESO website.
7 Dec 2016 1 Mar 2017 7 Jun 2017 13 Sep 2017 6 Dec 2017