New England grid saw 134 ‘duck curve’ days in 2025
On sunny days, behind-the-meter solar supplies a significant amount of electricity that otherwise would come from the grid.
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Inside ISO New England
ISO New England pursuing major projects in 2026
In the year ahead, the ISO will continue innovative efforts around market design, transmission planning, consumer engagement, and more.
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- consumer liaison group, system planning, wholesale markets
ISO-NE files 1st phase of capacity auction reforms with FERC
The reforms are intended to improve power system reliability and cost-effectiveness as the region’s resource mix evolves.
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Monthly wholesale electricity prices and demand in New England, November 2025
Wholesale prices were up in both the day-ahead and the real-time markets in November.
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ISO New England statement on Department of the Interior offshore wind announcement
ISO New England is aware of the stop work orders for two projects in the region.
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Electricity imports, exports tracked on External Interfaces Graph
Throughout each day, electricity flows into and out of New England over multiple tie lines in constantly changing quantities.
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- consumer resources, imports, website
Monthly wholesale electricity prices and demand in New England, October 2025
Wholesale prices were up in both the day-ahead and the real-time markets in October.
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Power system reliability maintained during Sunday evening reserve shortage
ISO-NE declared a Power Caution due to an unexpected loss of generation. This was not a system emergency, and ended after about 80 minutes.
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ISO-NE releases summary of proposals submitted under longer-term transmission planning effort
At the direction of the New England states, the ISO issued the request for proposals to enhance reliability and market efficiency, and to better integrate affordable resources.
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New England expected to have sufficient electricity supplies this winter
ISO New England uses numerous forecasts and analyses to project weather, expected demand for electricity, and the supply available to meet that demand.
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- ISO Minute, system operations, winter