Winter 2025/2026 recap: Grid stays reliable during prolonged cold
Extensive preparation and collaboration helped keep New England’s power grid reliable throughout its most challenging winter in nearly a decade.
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Spring ahead: Daylight saving time begins March 8
Market participants will need to make adjustments in working with market applications for that day.
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- Market Participant Information
Deep dives: ISO-NE staff share expertise at February events
A roundup of ISO-NE staff speaking engagements in February 2026.
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- Events
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- ISO leadership
ISO Minute: Making the grid stronger and smarter
Jinye Zhao explains how the Regional Energy Shortfall Threshold helps assess the grid’s ability to deliver energy.
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- Features & Interviews
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- innovation, ISO Minute, system operations
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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- Publications
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- system operations, weather
Monthly wholesale electricity prices and demand in New England, January 2026
Colder weather, higher demand, and spiking natural gas prices converged in January to push wholesale electricity prices to their highest levels since February 2014.
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- Inside ISO New England
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- monthly prices
Consumer Liaison Group’s March meeting to be held in Vermont
A virtual attendance option is also available.
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- Events
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- consumer liaison group
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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- Publications
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- quarterly prices
‘Intro to ISO’ webinar offered March 11
The webinar will provide an overview of ISO-NE’s three critical roles and an opportunity for questions from attendees, as time allows.
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- Events
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- consumer liaison group, webinar
ISO-NE publishes amounts, sources of electric energy used to meet demand in 2025
Total production for the year was 1% higher than in 2024.
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- Publications
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- resource mix
Cold weather updates: Week of Feb. 6, 2026
ISO New England has issued a Cold Weather Watch for Sunday, Feb. 8, ahead of forecasted cold weather.
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- Inside ISO New England
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- system operations, winter