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December 7, 2025

ISO New England (ISO-NE)

Abraham Silverman, Johns Hopkins University
Grid Upgrades Challenging but Needed, OSW Supporters Say
States can reap long-term savings by upgrading their onshore grids and coordinating transmission development to serve multiple offshore wind projects, but they’ll also face higher upfront costs, supply chain challenges and ratepayer concerns, speakers at a New Jersey conference said.
Fletcher6, CC BY-SA 3.0, via Wikimedia Commons
ISO-NE Refines Scope, Schedule for Capacity Auction Reforms
ISO-NE is not planning to pursue the development of simultaneously clearing seasonal capacity auctions as part of its capacity auction reform project.
FERC
FERC Grills Grid Stakeholders on Reliability
Grid stakeholders joined commissioners in Washington, D.C., for FERC's annual Reliability Technical Conference.
Casey Monaghan, CC-BY-SA 2.0, via Wikimedia
New England Generators Protest ISO-NE Financial Assurance Changes
A recently filed proposal by ISO-NE to increase the collateral requirements for generators with capacity supply obligations has received strong pushback from the New England Power Generators Association.
Lawrence Berkeley National Laboratory
US Utility-scale Solar Buildout Set Record in 2023
A total of 18.5 GWAC of large-scale solar was brought online last year, bringing total installed capacity to 80.2 GWAC in 47 states.
EMC Enineering Services
New England Clean Energy Developers Struggle with Order 2023 Uncertainty
The suspension of ISO-NE's Order 2023 implementation due to FERC's inaction has caused uncertainty and stress for some clean energy developers in New England.
ISO-NE
ISO-NE Outlines 2025 Annual Work Plan
The RTO will next year focus on capacity auction reforms, establishing a regional energy shortfall threshold, complying with FERC orders 1920 and 2023, and implementing market and technology improvements.
Powerex
Powerex Contests Brattle’s EDAM/Markets+ Comparative Study
The study comparing key features of CAISO’s EDAM and SPP’s Markets+ contains “several material misstatements of facts” and overlooks evidence “directly contrary to its conclusions,” Powerex contends.
Convergent Energy and Power
RI Siting Board Claims Authority over Storage Permitting
The Rhode Island Energy Facilities Siting Board ruled it has jurisdiction over large battery storage projects, overruling precedent.
Jim Richmond, CC BY-SA 2.0, via Wikimedia Commons
DC Circuit Affirms FERC Ruling on Seabrook Circuit Breaker Dispute
The D.C. Circuit Court of Appeals affirmed FERC’s ruling that NextEra Energy is responsible for replacing the circuit breaker at its Seabrook Station nuclear plant to accommodate the interconnection of the New England Clean Energy Connect transmission line.

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