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December 5, 2025

Capacity Auction Reforms (CAR)

© RTO Insider
New England Energy Executives Debate Markets, Affordability
An increasing political anxiety around energy affordability permeated debates about wholesale market changes, federal policy and demand growth at the annual New England Energy Summit.
Granite Shore Power
Aging Oil Plants Face Unclear Future in New England as Winter Risks Rise
In New England, increasing winter reliability concerns are driving questions about how long the region’s aging fleet of oil-fired power plants can, or should, remain on the system.
Shutterstock
ISO-NE Outlines Accreditation for Active, Passive Demand Resources
ISO-NE outlined proposed capacity accreditation for active and passive demand capacity resources at the NEPOOL Reliability Committee.
Analysis Group
ISO-NE Introduces Approach to Modeling Gas Constraints
ISO-NE outlined its planned approach for accounting for resources’ gas supply limitations in its new capacity accreditation framework at a NEPOOL Markets Committee meeting.
ISO-NE
NEPOOL Committees Support ISO-NE Prompt Capacity Auctions
NEPOOL technical committees voted in favor of ISO-NE’s proposal to adopt a prompt capacity auction and update the RTO’s resource retirement process.
ISO-NE
ISO-NE Discusses Resource Deliverability Under CAR
ISO-NE presented a high-level overview of how it plans to account for resource deliverability in its updated capacity accreditation framework.
ISO-NE
NEPOOL Members Offer Amendments on ISO-NE Capacity Reform Project
NEPOOL members proposed several amendments to the first phase of ISO-NE’s capacity market overhaul prior to the scheduled Markets Committee vote on ISO-NE’s proposal in November.
ISO-NE
ISO-NE Publishes Draft 2026 Work Plan
Capacity auction reforms, a new asset condition reviewer role, parallel transmission planning efforts, new reserve products, Pay-for-Performance changes and interconnection modifications are likely to be on the docket for ISO-NE in 2026.
Calpine
ISO-NE Kicks off Talks on Accreditation, Seasonal Capacity Changes
ISO-NE kicked off NEPOOL discussions for the second phase of its capacity auction reform project, beginning long-awaited talks on accreditation and seasonal capacity auction changes.
ISO-NE
NEPOOL Nears Vote on 1st Phase of ISO-NE Capacity Auction Reforms

ISO-NE presented the final design details and tariff changes for the first phase of its Capacity Auction Reforms project in preparation for a stakeholder vote in October.


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