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December 5, 2025

New York Independent System Operator (NYISO)

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Large Consumers Vent Frustrations with NYISO’s Proposed SCR Changes
Stakeholders representing large electricity consumers say they believe NYISO’s proposed changes to the special case resource program will cause a mass exodus of participants.
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NYISO Management Committee Passes 2024 Reliability Needs Assessment
The NYISO Management Committee passed the draft Reliability Needs Assessment and recommended that the Board of Directors approve it at its next meeting.
NYISO
New York DPS Recommends New Method for Determining Peak Hours
The New York Department of Public Service presented a proposal for updating the method by which NYISO determines peak load hours to the ISO’s Installed Capacity Working Group.
NYISO
NYISO Updates Stakeholders on Budget, 2025 Goals
NYISO presented additional data to the Budget and Priorities Working Group explaining its reasoning for rolling the remaining funds from this year’s budget cycle into a Rate Schedule 1 carryover.
NYISO
NYISO Monitor Highlights Gap Between Planning, Market Requirements
NYISO's transmission planning requirements result in a need for more capacity than is required in the ISO’s market rules, according to Potomac Economics, the Market Monitoring Unit.
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Transmission Security Floor Discussion Causes Consternation at NYISO
NYISO stakeholders raised concerns about the way the ISO values transmission security at the Installed Capacity Working Group.
LS Power Grid New York
NY Project Alleviates Transmission Chokepoint
A major transmission project completed in 2023 has alleviated congestion on a chokepoint between upstate and downstate New York.
GE
Stakeholders Abstain in Protest from NYISO Business Issues Committee Vote
NYISO presented its updated modeling for combined-cycle gas turbines that employ duct firing to produce additional electricity and advanced a motion to recommend that the Management Committee revise the tariff in accordance with the model.
NYISO
NYISO: No Worries Ahead of This Winter
NYISO expects it will be able to operate reliably, according to the Winter 2024 Operating Study.
NYISO
NYISO Extends Reliability Needs Assessment Comment Period
In response to stakeholder criticism, NYISO updated its draft Reliability Needs Assessment to include an executive summary and appendices, and extended the comment period on the report.

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