Implementation Phase Documents

This phase will establish the Market Renewal Program (MRP) designs into rules, manuals, processes and tools to implement the renewed energy markets.

Visit the implementation engagement page to find out about upcoming sessions.


Market Rules and Market Manuals

Here you’ll find draft amendments to the market rules and market manuals, proposed as part of MRP.

Market Entry and Prudentials (Updated March 2021)

Update March 11, 2021: Revised to align with V2 of the Detailed Design. Revisions incremental to those shared on December 4, 2020 are presented in yellow highlights. For stakeholder convenience, the Guide to Reading the Amendments summarizes the revisions.

Draft Materials

Market Rules amendments:

Market Manuals amendments:

Guide to reading the amendments

Market Power Mitigation (Updated December 2023)

Update December 1, 2023: Market Manuals updated. For stakeholder convenience, see the Summary of Changes that outlines the revisions.

Draft Materials

Market Rules amendments:

Market Manuals amendments:

Conforming Changes:

Summary of Changes

Calculation Engines (Updated March 2024)

Update March 13, 2024: For stakeholder convenience, see the Summary of Changes that outlines the revisions.

Draft Materials

Market Rules amendments:

Summary of Changes

Interim Alignment (Updated December 2022)

Update December 20, 2022: This batch of market rules and market manuals will provide conforming changes to build on three concepts introduced in prior MRP batches:

  • Resource as a defined term
  • Interim electricity storage facilities within MRP
  • Price Responsive Load (PRL) as a distinct load resource type

Draft materials:

Market Rules amendments:

Market Manuals amendments:

Summary of changes

 

Market Settlements, Metering and Billing (Updated January 2024)

Update January 29, 2024: The following documents are available for stakeholder review: Chapter 9 of the Market Rules, Chapter 9: Appendices, Market Manual 5.5, and Charge Types and Equations. An updated Summary of Changes is available to outline the revisions.

Draft Materials

Market Rules amendments:

Market Manuals amendments:

Charge Types and Equations (clean)

Charge Types and Equations (redline)

Summary of Changes

Market and System Operations (Updated March 2024)

Update March 13, 2024: For stakeholder convenience, see the Summary of Changes that outlines the revisions.

Draft Materials

Market Rules amendments:

Market Manuals amendments:

Summary of Changes

MRP Consolidated Draft (Updated June 2023)

This MRP Consolidated Draft version of the market rules and manuals contains all of the market rule and manual amendments that the IESO has posted for stakeholder review as of June 21, 2023.

The draft market rules and market manuals posted on this page (the “MRP Consolidated Draft”) are provided for reference purposes only, and are intended to assist market participants in their review of the evolving set of proposed market rule and manual amendments related to MRP.

The MRP Consolidated Draft has neither come into effect nor has it received formal approval from the IESO Board. The MRP Consolidated Draft is not intended nor should it be used as a supplement to, or aid for the interpretation of the in-effect Market Rules for the Ontario Electricity Market or of the corresponding in-effect market manuals. Participants wishing to consult the market rules and market manuals applicable to the existing Ontario Electricity Market should visit the IESO Market Rules and Manuals Library.

Market Rules and consolidated amendments (posted June 21, 2023):

Market Manuals and consolidated amendments (posted June 21, 2023):

Reference Levels and Reference Quantities

Here you’ll find supporting materials for ongoing one-on-one consultations for reference levels and reference quantities.

Blank Workbooks
Example Workbooks

1. Dispatchable Load:

2. Energy Storage

3. Hydro:

4. Nuclear

5. Solar:

6. Thermal:

7. Wind:

Written Guide and Instructions

As part of the December 17, 2021 update to Market Power Mitigation documents, the Written Guide has been replaced by Market Manual 14.2