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Pending Changes - Documents

The list below provides advance notice of pending changes to the market rules, market manuals, technical interfaces documentation or other items that define the operation of the IESO-administered market. For changes that are minor, the listing will identify the document that is changing and a description of the revisions, but a link to the altered document may not be included.

Comments on the design and implementation concerns can be sent to This feedback will be taken into account during the 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.

Pending Changes - Documents

Item Last Updated Comments Due Target Implementation
Market Manual 7: System Operations Part 7.2: Near-Term Assessments and Reports, IMP_PRO_0033_v40.1

Revised the description of Estimated Imports in Appendix D.1 to reflect the use of extreme weather scenarios  when assessing outage requests more than 10 days in the future.
18-Apr-2018 03-May-2018 Baseline 39.1
Market Manual 7: System Operations Part 7.3: Outage Management, IMP_PRO_0035_v33.1

Added “Self-Bottling” to the list of purpose codes in Sections 2.3 and 2.6. The Self-Bottling code becomes effective on May 22, 2018.
11-Apr-2018 27-Apr-2018 Baseline 39.1
Market Manual 4: Market Operations Part 4.2: Submission of Dispatch Data in the Real-Time Energy and Operating Reserve Markets, MDP_PRO_0027_v57.1

Revised to reflect the new e-Tag ID Mandatory Window as per the changes made from the Interchange Enhancement project.
20-Mar-2018 05-Apr-2018 TBD
Format Specifications for Settlement Statement Files and Data Files, IMP_SPEC_0005_v46.1

Demand Response charge types 1314, 1317 and 1318 shall now be automatic charges, effective for the settlement of March 2018.
16-Mar-2018 29-Mar-2018 May 1, 2018 In advance of Baseline 39.1
Market Manual 7: System Operations Part 7.1: IESO-Controlled Grid Operating Procedures, MDP_PRO_0040_v34.1

Updated the Emergency Operating State Control Actions (EOSCA) list in Appendix B to include standby and activation steps for Hourly Demand Response (HDR) resources.
15-Mar-2018 28-Mar-2018 May 1, 2018 In advance of Baseline 39.1
Market Manual 11: Reliability Compliance Part 11.1 Applicability Criteria for Compliance with NERC Reliability Standards and NPCC Criteria, IESO_GDE_0364_v6.2

Updated to clarify the requirements for the testing of Remedial Action Schemes (NERC Standard PRC-005-6). Updated to include applicability guidance for NERC standards PRC-002-2, PRC-005-6, and VAR-002-4
17-Jan-2018 28-Nov-2017 Deferred to Baseline 39.1