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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 2 Market Administration Part 2.13 Market Document Baseline Management, IMO_PRO_0039_v3.1

This document provides market participants with an overview of the Market Document Baseline Management procedure used by the IESO for maintaining and updating documentation related to the IESO-administered markets. A blacklined version is provided for easier viewing.

11-Aug-2017 25-Aug-2017 Baseline 38.0

Interim Market Document Change (IMDC) template , IMO_FORM_1499_v9.1

The template used in the Interim Market Document Change (IMDC) process was updated.

11-Aug-2017 25-Aug-2017 Baseline 38.0

Market Manual 4: Market Operations Part 4.2: Submission of Dispatch Data in the Real-Time Energy and Operating Reserve Markets, MDP_PRO_0027_v56.3

Revised Section 2.8 based on market participant feedback. Revised Segregated Mode of Operations content (Section 2.8) to reflect current practice. The e-Tag Submission Deadline has been revised from T-30 to T-32.

09-Aug-2017 23-Aug-2017 Baseline 38.0

Quick Take: Interim Market Document Change (IMDC), GDE-280_v0.2

Updated to clarify posting an IMDC is 'a minimum of five' business days. This new document provides a description of the IMDC procedure and its application.

04-Aug-2017 21-Aug-2017 Baseline 38.0

Market Manual 4: Market Operations Part 4.3: Real-Time Scheduling of the Physical Markets, IMP_PRO_0034_v51.1

Revised document to reflect the e-Tag Submission Deadline change from T-30 to T-32, based on changes made from the Interchange Enhancements project.

02-Aug-2017 16-Aug-2017 Baseline 38.0

Market Manual 7: System Operations Part 7.1: IESO-Controlled Grid Operating Procedures, MDP_PRO_0040_v31.1

Updated Section 6.2 to reflect the proper reporting of cyber security events and Section 7.3 to reflect the current Unit Readiness Program practices.

01-Aug-2017 15-Aug-2017 Baseline 38.0

Market Manual 11: Reliability Compliance Part 11.2: Ontario Reliability Compliance Program, IESO_PRO_0874_v3.1

Revisions made to this manual describe the process changes made as a result of the replacement Reliability Compliance Tool.

26-Oct-2016 09-Nov-2016 Withdrawn from Baseline 38.0