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December 12, 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.
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FERC Fines CPower $2.5M over ISO-NE Capacity Payments
CPower has agreed to a $2.5 million penalty after FERC's enforcement division found the company took capacity payments in violation of ISO-NE rules.
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ISO-NE: Reliability Still Depends on Mass. LNG Import Terminal
ISO-NE warns that the region’s near-term grid reliability depends on its access to LNG — and that access in turn relies on a single facility outside Boston.
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FERC Approves Changes to ISO-NE DER Interconnection Process
FERC accepted ISO-NE’s proposed changes to its process for interconnecting distributed energy resources, finding them just and reasonable with some revisions.
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DC Circuit Weighs in on Outstanding Mystic Questions
The D.C. Circuit Court of Appeals issued rulings relating to the Mystic Generating Station, including granting review to a group of state regulators.
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NE States Moving (Slowly) Toward Regional Clean Energy Market
Three New England state energy officials spoke to RTO Insider about the challenges of implementing a forward clean energy market with ISO-NE.
ISO-NE
ISO-NE Wants to Hike its Budget by 10% in 2023
ISO-NE is proposing a roughly 10% increase in its operating budget for 2023 and the addition of more than 50 employees over the next two years.
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New England’s Reliability During Heat Wave Came with Emissions Spike
ISO-NE fossil fuel generators burned 6 million gallons of oil during the recent heat wave, resulting in a 50% emissions spike over the same period in 2021.
Nexamp
NRDC: Early Worries About ISO-NE’s Capacity Accreditation Approach
NRDC argued that ISO-NE’s preferred method of measuring marginal reliability impact risks under-valuing some components of clean energy resources.
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Share Winter Data, States Urge ISO-NE
NESCOE urged ISO-NE to share confidential data about fuel supply and grid reliability with FERC ahead of the upcoming winter.
Constellation Energy
New England Governors Ask Feds for Help with Winter Reliability
New England governors asked Secretary Granholm to consider waiving the Jones Act for LNG imports and tapping the Northeast oil reserve for heat this winter.

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