Proposed Market Rule Amendments
Listed below are market rule amendments that are currently under consideration by the Technical Panel, or have been approved by the IESO Board but not yet incorporated into a baseline. All materials prepared for and considered by the Technical Panel are available on the Technical Panel webpage.
Starting in June 2019, the IESO has committed to publishing all of the materials that will be provided to the IESO Board in relation to its deliberations on proposed market rule amendments on this page. This practice is intended to provide greater transparency into IESO decision-making as it relates to market rule amendments and was implemented in accordance with IESO Board-approved recommendations informed by the Advisory Group on IESO Governance and Decision-Making.
Amendments that have been incorporated into a baseline are listed in the market rule amendments archive.
| Last Updated |
MR-00472-R00: Replacement of the IESO Settlement System (RSS) |
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June 2, 2022 |
Board Decision with Reasons |
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May 31, 2022 |
Materials provided to the IESO Board for discussion. |
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May 19, 2022 |
The Technical Panel recommended the following market rule amendment proposal to the IESO Board at its May 17, 2022 meeting. |
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April 21, 2022 |
The Technical Panel requested that stakeholders review this amendment proposal and provide comments to the Technical Panel by May 3, 2022.
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| Last Updated |
MR-00470-R00: Improving Awareness of System Operating Conditions |
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June 2, 2022 |
Board Decision with Reasons |
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May 31, 2022 |
Materials provided to the IESO Board for discussion. |
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May 19, 2022 |
The Technical Panel recommended the following market rule amendment proposal to the IESO Board at its May 17, 2022 meeting. |
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April 21, 2022 |
The Technical Panel requested that stakeholders review this amendment proposal and provide comments to the Technical Panel by May 3, 2022. No comments were received. |
| Last Updated |
MR-00469-R00: Enhancements to the 2022 Capacity Auction |
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June 21, 2022 |
Materials provided to the IESO Board for discussion.
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June 16, 2022 |
The Technical Panel did not recommend the following market rule amendment proposal to the IESO Board at its June 14, 2022 meeting. |
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May 19, 2022 |
The Technical Panel requested that stakeholders review this amendment proposal and provide comments to the Technical Panel by May 31, 2022.
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April 21, 2022 |
The Technical Panel requested that stakeholders review this amendment proposal and provide comments to the Technical Panel by May 3, 2022. |
| Last Updated |
MR-00471-R00: Updates to Synchrophasor Monitoring Requirements |
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June 2, 2022 |
Board Decision with Reasons |
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May 31, 2022 |
Materials provided to the IESO Board for discussion. |
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April 21, 2022 |
The Technical Panel recommended the following market rule amendment proposal to the IESO Board at its April 19, 2022 meeting. |
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March 22, 2022 |
The Technical Panel requested that stakeholders review this amendment proposal and provide comments to the Technical Panel by April 7, 2022. Feedback from Ontario Power Generation was received. |
| Last Updated |
MR-00468-R01: Adjustments to Intertie Flow Limits |
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February 16, 2022 |
The Technical Panel requests that stakeholders review this amendment proposal and provide comments to the Technical Panel by March 3, 2022. |
| Last Updated |
MR-00461-R01: Market Renewal Program – Market Power Mitigation: Batch 2 Definitions |
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March 24, 2022 |
A majority of the Technical Panel provisionally recommended the following market rule amendment proposal to the IESO Board. The Technical Panel requests that stakeholders review this amendment proposal and provide comments to the Technical Panel by March 1, 2022. Note: No changes have been made to the version posted on January 20, 2022. The Technical Panel requests that stakeholders review this amendment proposal and provide comments to the Technical Panel by February 3, 2022. |
| Last Updated |
MR-00455: Market Renewal Program – Market Power Mitigation |
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March 24, 2022 |
A majority of the Technical Panel provisionally recommended the following market rule amendment proposal to the IESO Board. |
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February 15, 2022 |
The Technical Panel requested that stakeholders review this amendment proposal and provide comments to the Technical Panel by March 1, 2022. Note: No changes have been made to the version posted on January 20, 2022.
The Technical Panel requested that stakeholders review this amendment proposal and provide comments to the Technical Panel by February 3, 2022. |
| Last Updated |
MR-00467: Improving Accessibility of Operating Reserve |
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June 16, 2022 |
The Technical Panel recommended the following market rule amendment proposal to the IESO Board at its June 14, 2022 meeting. |
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July 27, 2021 |
The Technical Panel requested that stakeholders review this amendment proposal and provide comments to the Technical Panel by August 31, 2021. Written Submissions |
| Last Updated |
MR-00450, MR-00451, MR-00453, MR-00461: Market Renewal Program – Batch 1 Market Entry and Prudential Security |
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June 10, 2021 |
Materials provided to the IESO Board for discussion.
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June 16, 2021 |
Provisional Board Decision with Reasons
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| Last Updated |
MR-00461: Market Renewal Program - Batch 1 Definitions |
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April 22, 2021 |
The Technical Panel provisionally recommended the following market amendment proposal to the IESO Board at its April 20, 2021 meeting.
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March 25, 2021 |
The Technical Panel requests that stakeholders review this amendment proposal and provide comments to the Technical Panel by April 6, 2021. Comments received can be found on the Technical Panel webpage.
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| Last Updated |
MR-00453: Market Renewal Program - Prudential Security |
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April 22, 2021 |
The Technical Panel provisionally recommended the following market amendment proposal to the IESO Board at its April 20, 2021 meeting. |
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March 25, 2021 |
The Technical Panel requests that stakeholders review this amendment proposal and provide comments to the Technical Panel by April 6, 2021. Comments received can be found on the Technical Panel webpage.
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| Last Updated |
MR-00451: Market Renewal Program - Facility Registration |
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April 22, 2021 |
The Technical Panel provisionally recommended the following market amendment proposal to the IESO Board at its April 20, 2021 meeting. |
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March 25, 2021 |
The Technical Panel requests that stakeholders review this amendment proposal and provide comments to the Technical Panel by April 6, 2021. Comments received can be found on the Technical Panel webpage.
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| Last Updated |
MR-00450: Market Renewal Program - Participation Authorization |
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April 22, 2021 |
The Technical Panel provisionally recommended the following market amendment proposal to the IESO Board at its April 20, 2021 meeting. |
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March 25, 2021 |
The Technical Panel requests that stakeholders review this amendment proposal and provide comments to the Technical Panel by April 6, 2021. Comments received can be found on the Technical Panel webpage.
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