Market monitor issues spring 2026 quarterly report
The total estimated wholesale market cost of electricity was $1.75 billion, up 6% from spring 2025.
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Publications
2026 Regional Electricity Outlook highlights ISO-NE’s innovative work amid changing energy landscape
The outlook includes dynamic graphics and easy-to-understand language designed for a wide audience.
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- forecast, future grid
Summer 2026 update on regional transmission investment now available; 3 projects under construction in New England
One upgrade has been placed in service since March 2026, according to the latest update to the Regional System Plan.
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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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- annual prices
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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- Publications
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- transmission planning