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December 18, 2025

ISO New England (ISO-NE)

FERC
FERC Releases Latest Version of ISO/RTO Metrics Report
FERC released the latest iteration of its Common Metrics Report on ISO/RTO markets, which evaluates their performance and benefits.
State of Massachusetts
FERC Approves ISO-NE’s Day-Ahead Ancillary Services Initiative
FERC approved ISO-NE’s proposal to create a day-ahead ancillary services market and retire the current Forward Reserve Market, effective March 1, 2025.
© RTO Insider LLC
NEPOOL Nears a Vote on Order 2023 Compliance

The NEPOOL Transmission Committee will vote on ISO-NE compliance proposal and stakeholder amendments on Feb. 15.

ISO-NE
ISO-NE Details Resource Modeling Plans for Capacity Accreditation
Improvements are required to the Resource Adequacy Assessment used to calculate capacity requirements and develop resource-specific accreditation values, says the technical manager at ISO-NE.  
Analysis Group
NEPOOL Markets Committee Briefs: Jan. 11, 2024
Analysis Group presented its final report on converting ISO-NE's Forward Capacity Market to a prompt, seasonal construct.
Shutterstock
Stakeholders Propose Amendments to ISO-NE Order 2023 Compliance
ISO-NE has proposed several deviations from the specific approach detailed in Order 2023, including a 270-day cluster study timeline instead of FERC’s 150-day timeline.
ISO-NE
FERC Approves ISO-NE’s One-Year Delay of FCA 19
FERC has approved ISO-NE’s proposal to delay Forward Capacity Auction 19 by one year, pushing the auction to February 2026.
Worldview Films via Vineyard Wind
Vineyard Wind 1 Generates its First Power
Vineyard Wind 1 generated its first power for New England, sending about 5 MW of electricity to the grid via its interconnection point on Cape Cod.
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Major Changes Ahead for ISO-NE in 2024
ISO-NE enters 2024 with several major projects underway and is grappling with the sweeping changes and long-term uncertainty brought by the clean energy transition.
ISO-NE
ISO-NE Details Order 2023 Tariff Changes
ISO-NE outlined key components of tariff changes it plans to comply with Order 2023, including cluster timelines and storage study assumptions.

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