Search
December 5, 2025

New York Independent System Operator (NYISO)

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.
Shutterstock
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.
Hydro-Québec
NYISO Proposes ICAP Changes for New Entry Ahead of CHPE
NYISO is proposing changes to certain capacity market parameters to accommodate the Champlain Hudson Power Express transmission project, as well as facilitate the new entry of resources.
Moody’s Analytics
Moody’s to NYISO: U.S. Edging Near Recession
NYISO stakeholders discussed uncomfortable economic possibilities attributed to the Trump administration’s unpredictable policies.  
Shutterstock
NYPA Raises Concern About Large Loads Suddenly Ceasing Operation
The most prolific worry about large load facilities like data centers is how to power them, but the New York Power Authority raised a new concern at the NYISO Budget & Priorities Working Group’s meeting. 
NYISO
NYISO Issues Energy Warning as Heat Wave Boils New York
A third straight day of intense heat in New York resulted in an Energy Warning from NYISO as reserves dwindled.
© RTO Insider LLC
NYISO BIC & OC Briefs: Week of June 16, 2025
The NYISO Business Issues Committee and Operating Committee approved a governing document revisions that would implement transmission owners’ right of first refusal in the ISO’s planning processes at their meetings.
© RTO Insider
Calpine Sees Support for TCC Auction Proposal from NYISO Stakeholders
Calpine came to the NYISO Installed Capacity Working Group with its proposal to create on- and off-peak transmission congestion contract auctions. 

Want more? Advanced Search