Monthly wholesale electricity prices and demand in New England, March 2026
Wholesale prices were flat year over year in the day-ahead and up in the real-time markets in March.
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Inside ISO New England
Charts highlight contributions from small but growing resource types
A monthly ISO-NE report examines trends in output from wind and solar, battery storage, demand response, and various combustible fuels.
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- renewable resources, system operations
FERC accepts ISO-NE’s 1st batch of capacity market reforms
Auctions will shift to a “prompt” timeline in 2028, and the process for exiting the market will change.
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ISO-NE shares preliminary results of Capacity Auction Reforms accreditation impact analysis
Accreditation involves determining a resource’s anticipated reliability contributions during periods of system stress.
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Monthly wholesale electricity prices and demand in New England, February 2026
Wholesale prices were down in the day-ahead markets and up in the real-time markets in February.
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ISO-NE energy security team recognized with ESIG Excellence Award
The ISO’s Regional Energy Shortfall Threshold (REST) helps the region assess the grid’s ability to deliver energy during extreme weather conditions.
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- energy adequacy, ISO leadership, weather
Explainer: Why are energy prices sometimes negative?
There are a lot of factors involved, but they boil down to a simple economic concept: surplus.
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- consumer resources, hydro, solar, wholesale prices, wind
ISO-NE assessing changes to Day-Ahead Ancillary Services market
The ISO has observed reliability and market improvements since the 2025 launch.
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Monthly ISO-NE report follows trends in energy resource output
ISO-NE’s System and Market Operations Report is a detailed overview of information about the regional power grid.
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- resource mix
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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- system operations, winter