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December 5, 2025

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.
Potomac Economics
NEPOOL PC Briefs: June 24-26, 2025

ISO-NE and stakeholders discussed market performance, capacity auction reforms, the RTO’s 2026 budget and asset condition spending at the summer meeting of the NEPOOL Participants Committee.

ISO-NE
Extreme Heat Triggers Capacity Deficiency in New England

ISO-NE declared a capacity deficiency, implemented a Power Caution and took extra actions to maintain grid reliability during what may have been the highest peak load since 2013, driven by extreme heat and humidity.

ISO-NE
ISO-NE CEO Gordon van Welie Announces Retirement

ISO-NE CEO Gordon van Welie has announced plans to step down at the end of 2025. He will be replaced by longtime ISO-NE COO Vamsi Chadalavada.

Eversource Energy
New England Transmission Owners Add $95M to Asset Condition List

Asset condition costs in New England have grown by $95 million since March, according to an update to the asset condition project list presented by the region’s transmission owners.

© RTO Insider LLC
New Pipelines Unlikely for New England, Experts Say

Despite interest from the Trump administration, new gas pipelines into New England remain unlikely due to a lack of counterparties willing to pay for the new lines, energy industry experts said.

Shutterstock
ISO-NE Internal Market Monitor Weighs in on Capacity Market Changes

The Internal Market Monitor weighed in on ISO-NE's proposed capacity market overhaul, expressing support for increased flexibility around resource retirement notifications and recommending the elimination of the pivotal supplier test.

© RTO Insider
Limited Demand for Large-scale Data Centers in New England

New England is unlikely to see the development of large-scale data centers in the next 10 years but likely will see smaller-scale developments, industry experts said at the New England Energy Conference and Exposition.

© RTO Insider
New England Regulators Weigh Short-term Costs and Long-term Savings

New England utility regulators warned that knee-jerk reactions to backlash over high winter costs could create long-term consequences for customers.

ISO-NE
Consumer Liaison Group Discusses ISO-NE’s Failing Accessibility Grade

A recent report on RTO accountability, transparency and accessibility gave ISO-NE an "F," citing its "exclusive stakeholder process and inaccessible" board meetings.

Shutterstock
FERC Approves Implementation Delay for ISO-NE Order 881 Compliance

FERC accepted a 17-month delay to ISO-NE and transmission owners’ implementation of Order 881 and Order 881-A compliance, pushing back the rollout of ambient-adjusted line ratings in the region.


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