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April 5, 2026

ISO-NE

ISO New England Inc. is a regional transmission organization that oversees the operation of the electricity transmission system, coordinates wholesale electricity markets, and manages power system planning for the states of Connecticut, Rhode Island, Massachusetts, Vermont, New Hampshire, and most of Maine.
Yes Energy
Data Center Interest, Opposition on the Rise in New England
Increased interest in data center development in New England has led to growing concern about potential negative effects on energy affordability and long-term resource adequacy.
NextEra Energy
FERC Approves ISO-NE Prompt Capacity Market
FERC approved ISO-NE’s proposal to replace its Forward Capacity Market with a prompt market, cutting the time between auctions and commitment periods from more than three years to about one month.
ISO-NE
ISO-NE CLG Speakers Stress Grid Resilience amid Climate Damage
The spring quarterly meeting of the ISO-NE Consumer Liaison Group revolved around the growing risks of climate-driven extreme weather events in Vermont and across the broader New England region.
ISO-NE
New England Transmission Owners Add $376M to Asset Condition List
New England transmission owners have added over $376 million in projects to the asset condition list since October while placing over $560 million in projects in service.
© RTO Insider
ISO-NE Initial LTTP Analysis Rules Out 4 of 6 Proposals
ISO-NE’s initial review of proposals submitted for a first-of-its-kind transmission procurement indicates four of the six proposals do not meet the technical requirements and are not eligible for selection.
Eversource Energy
ISO-NE Refines Details on Asset Condition Reviewer
Updating stakeholders on its proposal for an internal asset condition reviewer, ISO-NE said it now plans to review asset condition projects estimated by transmission owners to exceed $25 million in regionalized costs.
Ørsted
Vineyard Completes Construction, Revolution Starts Generation
One New England offshore wind farm has completed construction, and another has begun sending electricity ashore as it finishes construction.
ISO-NE
ISO-NE Details Initial Forecast of Capacity Auction Reforms’ Effects
ISO-NE published initial data on how its proposed capacity market overhaul will affect resource accreditation, providing an indication of how the changes would affect capacity market revenues for different resource types.
ISO-NE
FERC Opens Show Cause Proceeding into ISO-NE Rules for Improper Payments
FERC initiated a show-cause proceeding based on concerns about the lack of provisions in the RTO’s tariff enabling corrections to incorrect payments to or from market participants.
Granite Shore Power
ISO-NE Proposes Cut to Performance Payment Rate
ISO-NE proposed to reduce its performance payment rate by more than 60% in response to concerns that excessive penalties will have unintended consequences for the capacity market.

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