Market Renewal Newsletter - April Update
April 7, 2025
The Market Renewal Program (MRP) newsletter provides information related to Market Participant readiness activities in support of the launch of the renewed market on May 1, 2025. The newsletter features information on testing, training and stakeholder engagement activities. Visit the MRP Readiness section of IESO’s website to learn more about our Readiness Program.
MRP Launch On Track for May 1
The IESO announced that it is on track to launch the renewed market on May 1, 2025. With final preparations underway, the IESO will keep market participants updated should there be any changes to system conditions or readiness that may impact the May 1 launch date.
The IESO will be hosting an Overview of the Renewed Market Launch webinar on April 16 from 1:00 to 2:30 p.m. This webinar will be focused on final preparations for the launch of the renewed market and provide market participants and service providers with key information and reminders, including what to expect during the cutover period, and an opportunity to ask questions ahead of the launch. For more information, contact engagement@ieso.ca.
For additional information, MRP readiness resources are available on the IESO website.
Upcoming Overview Webinars on the Renewed Market
The IESO is hosting webinars this month to provide an overview of what will be different after the launch of the renewed market. The last webinar will be held for Intertie Traders and Transmission Rights Auction participants on April 10 from 9:30 a.m. to 11:30 a.m. In order to register for the webinar, participants can click on the Intertie Trader and TRA Participants Registration link. The information covered in these is also available in the MRP eLearning courses: MRP - eLearning Modules.
Wrap-Up Meeting for Cutover Test
The IESO conducted a cutover test from March 31 to April 2, 2025 with Market Participants to verify that both internal and external participants can follow and execute the cutover sequence of activities in the prescribed time as outlined in Table 3-1 of the MRP Readiness Plan for the Market Renewal Launch, in preparation for the transition from IESO’s legacy systems to the new and updated systems.
The IESO is hosting a wrap-up meeting on Friday April 11 from 2:00 to 3:30 p.m. to provide key takeaways from the test and a second walkthrough of launch activities to prepare for the Production cutover. If you are interested in attending, you may register for the meeting by clicking the following link.
Posting of Version 3.0 of the MRP Readiness Plan for Market Renewal Launch
Version 3.0 of the MRP Readiness Plan for Market Renewal Launch is now available on the Market Participant Readiness webpage. Market Participants are asked to review the plan in preparation for Market Renewal launch on May 1, 2025. The following updates were made to Version 3.0 of the MRP Readiness Plan for Market Renewal Launch:
- Page 10 - Added Web Service URL for Dispatch Service
- Throughout - Added EPT to all times
Any questions about the plan can be submitted to the IESO Market Renewal mailbox.
Upcoming Events and Key Dates
April 10, 2025:
Overview webinar on Market Renewal for Intertie Traders and Transmission Rights Auction participants
April 11, 2025:
Wrap-Up Meeting for Cutover Test
April 16, 2025:
Overview of the Renewed Market Launch webinar
May 1, 2025:
MRP Go-Live (transition activities expected to start April 30, 2025 and continue through May 8, 2025)