New York Independent System Operator (NYISO)

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NYISO Drops Seasonal CAFs from Winter Reliability Project
NYISO told stakeholders it was no longer considering seasonal capacity accreditation factors because it found they would disincentivize participation in the capacity market.
NYISO
NYISO Presents Informational CAFs for Non-firm Generators
NYISO provided a glimpse into the possible capacity accreditation factors for gas generator units that have not guaranteed a supply of fuel for the winter capability period.
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NYISO Cancels Offshore Transmission Studies
In the wake of the New York Public Service Commission’s decision to cease planning its offshore wind underwater transmission network, NYISO has followed suit, tossing two years of planning studies.
NYSERDA
NY Steps Back from OSW, Halts Offshore Tx Planning Process
The PSC shut down the process to build an underwater transmission network to bring electricity to shore from the hundreds of wind turbines the state hopes to see spinning off its coastline. 
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NYISO: LBMPs Spiked in June from Heat Wave
The heat wave at the end of June caused the average locational-based marginal price for the month to increase dramatically, NYISO said.
NYISO
NYISO Management Committee Liaison Brief: July 15, 2025
Short- and long-term load forecasting was discussed in a "strategic discussion" during board meetings.
Jim Henderson, CC BY-SA-4.0, via Wikimedia Commons
FERC Accepts NYISO’s Firm Fuel Tariff Revisions
FERC approved NYISO’s tariff revisions that change the mechanism by which generators opt in to the “firm fuel” capacity accreditation resource class, enable modeling improvements related to natural gas constraints and update the bidding requirements for capacity suppliers.
Ben Schumin, CC BY-SA-2.0, via Wikimedia
Earthjustice Blasts NYISO ‘Power Trends’ Report to State Officials
Earthjustice claimed that NYISO’s latest annual “Power Trends report was full of misleading statements that favor new natural gas generation in a letter to New York state officials.
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NYISO Details Late June Heat Wave for Reliability Council
NYISO performed an autopsy on the system conditions during the late June heat wave for the New York State Reliability Council at its Installed Capacity Subcommittee meeting.
© RTO Insider
NYISO Management Committee Briefs: June 30, 2025
The NYISO Management Committee passed two motions at its June 30 meeting, unanimously recommending that the Board of Directors approve them.

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