ISO-NE market monitor issues 2025 report
More expensive natural gas, tighter supply conditions, and changes to the resource mix and market design drove prices higher.
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Publications
2025 Report of the Consumer Liaison Group released
The report features meeting summaries, updates on ISO-NE activities, and the CLG Coordinating Committee’s priorities for 2026.
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- consumer liaison group
ISO-NE establishes forecast framework for data centers, other ‘large loads’
While large loads are challenging electric grids in other parts of the country, proposals in New England remain limited.
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- CELT
ISO-NE expands behind-the-meter forecast to include batteries
BTM resources affect both how and when consumers use electricity from the grid.
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- CELT, energy storage, solar
ISO-NE forecast shows steady increase in regional electricity use through 2035
The CELT Report is a foundational resource for bulk power system planning and reliability studies.
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- CELT, system planning
Annual Work Plan update highlights ISO-NE market, planning initiatives
The update notes progress on anchor projects, which are the ISO’s highest-priority initiatives.
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- annual work plan, system planning, wholesale markets
Spring 2026 update on regional transmission investment now available; 2 projects under construction in New England
Three upgrades have been placed into service since October 2025, according to the Regional System Plan Project List.
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- transmission planning
ISO-NE fact sheet, webpage offer help understanding electricity prices
Electric bills reflect a mix of factors, including fuel prices, weather, infrastructure needs, and public policy decisions.
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- consumer resources, website, wholesale prices
ISO-NE collaboration with Dartmouth assesses power system risks
The joint peer-reviewed research was recently published in Nature Communications, one of the world’s leading scientific journals.
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- system operations, weather
Internal Market Monitor issues fall 2025 report
The report notes that New England was a net exporter of electricity during fall 2025, likely for the first time in at least 20 years.
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- quarterly prices