ISO Newswire: A Wholesale Electricity Industry Update

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July 23, 2025

Artificial intelligence helps predict transmission outages during storms

ISO-NE's Online Weather Lookahead Study (OWLS) aims to add another layer of reliability to the region’s bulk electric system.

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July 25, 2025

Internal Market Monitor releases spring 2025 quarterly report

The total estimated wholesale market cost of electricity for spring 2025 was $1.64 billion, an increase of 48% compared to spring 2024.

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Categories
Publications
Tags
quarterly prices
July 17, 2025

Hourly LMP Graph tracks wholesale prices

Part of the ISO Express dashboard, the chart reflects day-ahead and real-time energy prices as well as the strike price for ancillary services.

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Categories
Inside ISO New England
Tags
wholesale prices
July 16, 2025

Hot weather updates: Week of July 14, 2025

ISO New England is monitoring conditions as hot, humid weather drives higher consumer demand for electricity across the region. 

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Categories
Inside ISO New England
Tags
summer, system operations, weather
July 15, 2025

Updated ISO-NE markets ‘primer’ adds section on ancillary services

Prepared by the Internal Market Monitor, the document offers a plain language overview of the region's wholesale electricity markets.

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Categories
Publications
Tags
market monitoring
July 11, 2025

ISO Minute: Collaborating for summer grid reliability

Jon Gravelin shares how the ISO’s control room works with local control centers and neighboring grid operators to maintain reliability.

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Categories
Features & Interviews
Tags
ISO Minute, summer, system operations
July 9, 2025

Solar power reduced New England power grid demand by 5% in 2024

Contributions from behind-all-meters solar were equivalent to the power consumed by 600,000 homes in a year.

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Categories
Inside ISO New England
Tags
solar, system planning
July 7, 2025

Summer 2025 update on regional transmission investment now available; 6 projects under construction in New England

Two projects were proposed since March 2025, according to the latest update to the Regional System Plan Project List.

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Categories
Publications
Tags
transmission, transmission planning
July 3, 2025

Keynote conversations and fireside chats: ISO-NE staff share expertise at June events

A roundup of ISO-NE staff speaking engagements in June 2025.

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Categories
Events
Tags
ISO leadership
July 2, 2025

Grid remains reliable as June heat wave brings highest peak in over a decade

Consumer demand for grid electricity unofficially peaked on June 24 at 26,024 megawatts, the highest level seen in the region since 2013. 

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Categories
Inside ISO New England
Tags
summer, system operations, weather
July 1, 2025

Monthly wholesale electricity prices and demand in New England, May 2025

Wholesale prices were up in both the day-ahead and the real-time markets in May.

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Categories
Inside ISO New England
Tags
monthly prices
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