Market Renewal Program Implications to Electricity Supply Contracts

The IESO is committed to working with electricity supply contract counterparties that are market participants to understand contract implications and address any changes throughout the design of the Market Renewal Program (MRP).

This webpage will be updated on a regular basis to include information about group meetings and webinars that will be taking place. In addition, this webpage will include past presentation materials, webinar recordings, feedback and responses, as well as any other non-confidential information that may be relevant to all contract counterparties or broader stakeholders.

The IESO continues to encourage contract counterparties to ask questions related to their contract, by emailing contract management at

Comments on IESO’s Approach to Amending Market Participant Contracts in Response to the MRP

On April 12, 2019, the IESO published IESO’s Approach to Amending Market Participant Contracts in response to the MRP, highlighting its approach towards implementing contract amendments in support of the MRP and invited stakeholder feedback. 

A summary of the comments received and IESO responses is available by emailing the request to (released August 13, 2019).


The IESO appreciates the comments and questions submitted by contract counterparties and stakeholders on the publication. If there are additional questions, or if further clarity is required, please contact Contract Management via email at:

Stakeholder Feedback and Material from Past Presentations

To receive copies of the materials listed below, please contact Contract Management at specifying the particular document(s) and advising whether it needs to be provided in an accessible format. 

Summary of Comments on Approach to Amending Market Participant Contracts - August 13, 2019

Approach to Amending Market Participant Contracts - May 15, 2019

Variable Generation Contract Settlement with Day-Ahead Market – April 1, 2019

Market Renewal Program Update for CES Contract Counterparties – November 27, 2018

Variable Generation Contract Settlement in the Day-Ahead Market – October 16, 2018

MRP and Electricity Supply Contracts webinar for Electricity Supply Contract Holders (Market Participants) – October 31, 2017