Home > Participate > Change Management > Pending Changes

Related Market Manual

The process for making changes is outlined in Market Manual 2.13: Change and Baseline Management.

Contact Us

Feedback regarding implementation concerns
should be emailed to pending.changes@ieso.ca

See also

Change Notification Listing

Pending IT Service Changes

Report Listing

Pending Changes

The IESO will give advance notice of changes to the Market Rules, market manuals, technical interfaces, software releases, and other items that define the operation of the IESO-administered markets.

Market participants and other stakeholders can provide feedback regarding implementation to pending.changes@ieso.ca ​within a specified timeline. This feedback will be taken into account during the change decision-making process.

The IESO is committed to ensuring that changes affecting market participant systems are done with minimal disruption. The IESO will inform market participants of pending market system changes and invite them to provide feedback on the design and timing of the implementation.  

Market participants will be notified when updated documentation is available on the following pages:

  • Change Notification Listing - provides advance notice of pending changes to the Market Rules, market manuals, technical interfaces or other items that define the operation of the IESO-administered markets

  • Pending IT Service Changes - provides information for software releases

  • Report Listing - provides information on proposed changes to IESO reports


Notice: The posting of submissions on the IESO's Web site is done for the convenience of market participants and other interested visitors to the IESO's site. When requesting or receiving submissions from market participants and/or industry stakeholders, it is the normal practice of the IESO to post the submissions on the IESO Web site. The IESO reserves the right to revise or withdraw any such submission at any time without further notice should the submission include, in the IESO's opinion, any defamatory or other inappropriate provisions. Participants are reminded that all the material that they submit may be published and that, in making a submission, their permission to publish the material is deemed to be granted.