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December 5, 2025

New York Independent System Operator (NYISO)

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Firm Fuel Proposal Continues to Confuse NYISO Stakeholders
NYISO returned to the Installed Capacity Working Group with more modifications to the tariff language and general structure of its firm fuel capacity accreditation proposal, but stakeholders still appear to be skeptical of it.
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FERC Partly Approves NYISO Order 2023 Compliance Filing
FERC approved most of NYISO’s proposed plan to comply with Order 2023, denying several of its proposed variations to the commission’s pro forma rules and directing the ISO to submit an additional compliance filing in 60 days.
Shutterstock
NYISO Cancels 2033 Reliability Need for NYC
NYISO said it is no longer concerned about a violation of reliability criteria in New York City in 2033 and has canceled its search for a solution.
NYISO
NYISO Announces 2 New Board Members
NYISO announced it has appointed two new members, Heather Rivard and Steve Doyon, to its Board of Directors.
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FERC Authorizes NYISO, ISO-NE to Collect Tariffs on Electricity
FERC approved filings by NYISO and ISO-NE authorizing them to collect tariffs on electricity imports from Canada.
Potomac Economics
NYISO’s Firm Fuel Proposal Criticized by Market Monitor
NYISO's market monitor says the firm fuel capacity accreditation proposal would incentivize generators to rely on inferior types of firm fuel service that could undermine the winter reliability benefits of firming up.
The Brattle Group
ACP Road Map Suggests Market Changes to Increase Storage Participation
ACP released a report produced by The Brattle Group laying out how organized markets can replicate the success CAISO and ERCOT have had in deploying energy storage resources.
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NY Energy Summit: Patience Trumps Angst
State officials speaking at the New York Energy Summit acknowledged the uncertainty facing everyone in the room but said it has not changed the state's clean-energy vision. 
NYISO
NYISO Reaffirms Need for NYC Peakers in Summer
NYISO continues to find a reliability need for New York City this summer and two peaker plants in the city should be allowed to continue operations into 2027 if necessary, according to sensitivity results for the first-quarter Short Term Assessment of Reliability.
HDR Inc.
Demand Curve Reset Tops NYISO Priorities in Capacity Market Review
NYISO presented the Installed Capacity Working Group with its priorities for the Capacity Market Structure Review, with improving the demand curve reset process and methodology topping the list.

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