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.
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:
- Market Manual 1.5 (clean)
- Market Manual 5.4 (clean)
- Market Manual 1.5 (redline)
- Market Manual 5.4 (redline)
Update March 16, 2023: Market Manuals updated. For stakeholder convenience, see the Summary of Changes that outlines the revisions.
Draft Materials
Market Rules amendments:
- Definitions
- Chapter 3 and Chapter 7 (clean)
- Chapter 3 and Chapter 7 (redline)
Market Manuals amendments:
- Market Manual 14.1 (clean)
- Market Manual 14.1 (redline)
- Market Manual 14.2 (clean)
- Market Manual 14.2 (redline)
Conforming Changes:
- Market Manual 1.3 (clean)
- Market Manual 1.5 (clean)
Update July 11, 2022: For stakeholder convenience, see the Summary of Changes that outlines the revisions.
Draft Materials
Market Rules amendments:
- Definitions
- Day-Ahead Calculation Engine (clean)
- Day-Ahead Calculation Engine (redline)
- Pre-Dispatch Calculation Engine (clean)
- Pre-Dispatch Calculation Engine (redline)
- Real-Time Calculation Engine (clean)
- Real-Time Calculation Engine (redline)
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 Manual and Batch Alignment
- Load Resources
- Storage Integration
- Resource Related Updates
- Defined Terms
Market Manuals amendments:
- Market Manual 1.5 Market Registration Procedures (clean)
- Market Manual 1.5 Market Registration Procedures (redline)
- Market Manual 5.4 Prudential Support (clean)
- Market Manual 5.4 Prudential Support (redline)
- Market Manual 12 Capacity Auctions (clean)
- Market Manual 12 Capacity Auctions (redline)
- Market Manual 14.1 Market Power Mitigation Procedures (clean)
- Market Manual 14.1 Market Power Mitigation Procedures (redline)
- Market Manual 14.2 Reference Level and Reference Quantity Procedures (clean)
- Market Manual 14.2 Reference Level and Reference Quantity Procedures (redline)
Update September 7, 2023: The following market manuals: 5.6, 5.7, 5.8 and 5.10 are available for stakeholder review as well as an updated Summary of Changes that outlines the revisions.
Draft Materials
Market Rules amendments:
- Chapter 6: Energy – Revenue Meter Registration (clean)
- Chapter 6: Energy – Revenue Meter Registration (redline)
- Chapter 7: Hydroelectric Resources – Optional Registration Requirements
- Chapter 8: Physical Bilateral Contracts and Financial Markets (clean)
- Chapter 8: Physical Bilateral Contracts and Financial Markets (redline)
- Chapter 9: Market Settlements, Market Billing and Funds Administration (clean)
- Chapter 9: Market Settlements, Market Billing and Funds Administration (redline)
- Chapter 9: Appendices (clean)
- Chapter 9: Appendices (redline)
- Chapter 11: Definitions (clean)
- Chapter 11: Definitions (redline)
Market Manuals amendments:
- Market Manual 1.5 (clean)
- Market Manual 1.5 (redline)
- Market Manual 4.4 (clean)
- Market Manual 4.4 (redline)
- Market Manual 5.3 (clean)
- Market Manual 5.3 (redline)
- Market Manual 5.5 (clean)
- Market Manual 5.5 (redline)
- Market Manual 5.6 (clean)
- Market Manual 5.7 (clean)
- Market Manual 5.7 (redline)
- Market Manual 5.8 (clean)
- Market Manual 5.8 (redline)
- Market Manual 5.10 (clean)
- Market Manual 5.10 (redline)
Update July 14, 2023: For stakeholder convenience, see the Summary of Changes that outlines the revisions.
Draft Materials
Market Rules amendments:
- Chapter 5: Sections 4, 6, 7, 8 and 10
- Chapter 7: All Sections
- Chapter 7: Appendix 7.1 – 7.4, 7.7
- Chapter 7: Appendix 7.8
- Chapter 11
Market Manuals amendments:
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):
- Chapter 1 Introduction
- Chapter 2 Participation
- Chapter 2 Participation Appendices
- Chapter 3 Administration, Supervision, Enforcement
- Chapter 4 Grid Connection Requirements
- Chapter 4 Grid Connection Requirements Appendices
- Chapter 5 Power System Reliability
- Chapter 5 Power System Reliability Appendices
- Chapter 6 Wholesale Metering
- Chapter 6 Wholesale Metering Appendices
- Chapter 7 System Operations and Physical Markets
- Chapter 7 System Operations and Physical Markets Appendices
- Chapter 8 Physical Bilateral Contracts and Financial Markets
- Chapter 8 Physical Bilateral Contracts and Financial Markets Appendices
- Chapter 9 Settlements and Billing
- Chapter 9 Settlements and Billing Appendices
- Chapter 10 Transmission Service Planning
- Chapter 11 Definitions
Market Manuals and consolidated amendments (posted June 21, 2023):
- Market Manual 1.3 Market Entry Maintenance and Exit
- Market Manual 1.5 Market Registration Procedures
- Market Manual 4.4 Transmission Rights Auction
- Market Manual 5.3 Physical Bilateral Contract Data
- Market Manual 5.4 Prudential Support
- Market Manual 5.5 IESO-Administered Markets Settlement Amounts
- Market Manual 12 Capacity Auctions
- Market Manual 14.1 Market Power Mitigation Procedures
- Market Manual 14.2 Reference Level and Reference Quantity Procedures
Reference Levels and Reference Quantities
Here you’ll find supporting materials for ongoing one-on-one consultations for reference levels and reference quantities.
As part of the December 17, 2021 update to Market Power Mitigation documents, the Written Guide has been replaced by Market Manual 14.2
1. Dispatchable Load:
2. Energy Storage
- Positive cost with separately metered station service
- Positive cost without separately metered station service
3. Hydro:
4. Nuclear
5. Solar:
6. Thermal:
7. Wind: