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December 5, 2025

NYISO

The New York Independent System Operator Inc., a not-for-profit regional transmission owner, is responsible for operating New York's bulk electrical grid, administering the state's wholesale electricity markets, maintaining grid stability, and ensuring the reliability and planning of the state's bulk energy system.
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NYISO: Large Load Flexibility Eliminates 2034 Shortfall Concern
NYISO made significant updates to its assumptions as part of its final Reliability Needs Assessment, which now shows no concern of a capacity deficiency and a loss-of-load expectation of less than 0.1 in 2034.
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NYISO ICAP Working Group Briefs: Sept. 24, 2024
NYISO’s Market Monitoring Unit, Potomac Economics, presented recommendations for addressing what it calls inefficient market outcomes caused by setting locational capacity requirements based on the transmission security limit.
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With Final Class Year Approval, NYISO Marks End of an Era
NYISO’s Operating Committee approved the system upgrade facilities and system deliverability upgrade studies for Class Year 2023.
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Brattle Paper Weighs Pros and Cons of Utility-owned Generation in NY
Allowing utilities to own generation again in New York state could speed up their deployment, according to a Brattle Group white paper prepared for Consolidated Edison.
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NYISO Offers Final Staff Recommendations for Demand Curve Reset
NYISO presented its final interim staff recommendations for the demand curve reset for 2025-2029 at the Installed Capacity Working Group’s meeting, with minor updates to some metrics.
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NYISO Operating Committee Briefs: Sept. 12, 2024
The NYISO Operating Committee approved revisions to the 2024-01 Expedited Delivery Study, finding that all nine proposed projects are deliverable at their requested capacity resource interconnection service levels.
NYISO
NYISO Proposes Increased Budget, Admin Rate for 2025
NYISO presented its $204 million draft budget for 2025 to the Budget and Priorities Working Group, with an administrative rate of $1.319/MWh based on a 154,700-GWh transmission throughput.
NYISO
NYISO Slightly Lowers Expected 2034 Shortfall
NYISO's update to its draft Reliability Needs Assessment still shows an expected capacity shortfall by 2034, though it is slightly less than what was initially presented in July.
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NYISO Presents Final 2025 Project Budget Recommendation
NYISO's final 2025 project budget recommendation re-added several items, such as the storage as transmission project, that will be presented to the Management Committee later this year.
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Large Consumers Miffed at NYISO Proposal to Shorten SCR Notice Period
NYISO proposed shortening the activation notice period for special-case resources from 21 hours to four, which caused consternation among program participants at the Installed Capacity Working Group’s meeting.

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