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January 29, 2026

NYISO Installed Capacity/Market Issues Working Group (ICAP-MIWG)

Plaza Construction
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.
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.
© 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. 
© RTO Insider 
NYISO Monitor Proposes Changing Congestion Rent Assignments

The NYISO Market Monitoring Unit is proposing to revise the ISO’s net congestion rent assignment process by allocating residuals to transmission owners on an individual facility basis.

Potomac Economics
MMU, FTI Argue for Maintaining Uniform Pricing in NYISO Capacity Market

As NYISO conducts its Capacity Market Structure Review, its Market Monitoring Unit and FTI Consulting say it should reject the idea of bifurcated pricing.

NextEra Energy
NYISO Outlines Storage as Transmission Proposal

NYISO presented an outline of how it plans to implement storage-as-transmission assets, drawing critiques from stakeholders representing end-use customers and generators.

Danskammer Energy
Stakeholders Urge NYISO to Change Performance Penalty Proposal
Stakeholders expressed confusion and concern with the most recent updates to NYISO’s operating reserves performance penalty proposal.
Z22, CC-BY-SA 4.0, via Wikimedia Commons
NYISO Monitor Analyzing Alternative Capacity Market Designs
The NYISO Market Monitoring Unit told stakeholders it is independently analyzing the capacity market in parallel with the ISO’s ongoing Capacity Market Structure Review project.
NYISO
NYISO Details Proposed Metrics for IDing Poor Performers in Reserve Market
NYISO has proposed the metrics for identifying operating reserve suppliers that consistently underperform as part of its plan to remove them from the market.

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