Customer Readiness - IT System Changes

The information on this page is intended to make participants aware of upcoming changes to market and program facing IT systems and applications and to advise of any action that might be required from them to ensure a seamless transition from the existing to the new applications and systems. 

Current Projects

Project Name

 Action

Dispatch Service

Register for cut-over from existing to new system by e-mailing dispatch.service@ieso.ca.

Interchange Enhancements

Register for webinar scheduled for January 23, 2018


Project: Dispatch Service

Project Description

Transition the tool used by market participants to accept and reject dispatch instructions from Message Exchange to Dispatch Service.

Additional information

Who is affected?

All market participants receiving dispatch instructions from the IESO (dispatchable generators and loads).

Project Status

On target for implementation in Production January 2018.

Action Required

Participants need to register for cut-over from existing Message Exchange to new Dispatch Service as soon as possible by e-mailing dispatch.service@ieso.ca.


Project:  Interchange Enhancements

Project Description

The IESO is planning to make changes with respect to the submission of e-Tags and the management of those transactions specifically within the mandatory window to improve the operation and management of interchange scheduling related tasks by enhancing existing interchange scheduling systems and processes.

Additional information

Who is affected?

All market participants exporting electricity from Ontario and/or importing electricity into Ontario.

Project Status

Webinar to be scheduled for Q4 2017 to review Test Plan for upcoming Market Trials in Q1 2018.

Action Required

Participants are encouraged to register for the webinar scheduled for January 23, 2018 by emailing engagement@ieso.ca.