Monthly wholesale electricity prices and demand in New England, September 2025
Wholesale prices were up in both the day-ahead and the real-time markets in September.
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Inside ISO New England
Tie line added to ISO-NE website, app
New England Clean Energy Connect will provide the region with up to 1,200 MW of imported Canadian hydropower.
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ISO-NE announces changes in Finance leadership
Kelly Reyngold will become vice president and chief financial officer on Jan. 1, 2026, following the retirement of Bob Ludlow.
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ISO-NE developing framework to assume the role of regional asset condition reviewer
The ISO will undertake this novel role at the request of stakeholders seeking increased oversight of transmission equipment replacements.
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Summer 2025 recap: Reliability maintained as grid sees highest peak in over a decade
New Englanders consumed about 3% less total electricity in June, July, and August than during the same period in 2024.
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ISO-NE begins interconnection Transitional Cluster Study
FERC Order Nos. 2023 and 2023-A instituted interconnection process reforms that seek to address queue backlogs across the country.
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Resource Mix Graph details region’s energy sources
One piece of the ISO Express data dashboard shows how the makeup of New England’s energy supply changes throughout the day.
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Monthly wholesale electricity prices and demand in New England, August 2025
Wholesale prices were up in both the day-ahead and the real-time markets in August.
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Reserve price graph shows data during rare power grid conditions
The Real-Time Reserve Price Graph is active only when resources reduce or stop electricity production in order to satisfy reserve requirements instead.
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Region’s 100th ‘duck curve’ day migrates to early fall
Duck curves occur when demand is lower at midday than overnight. Last year’s 100th duck curve happened in late November. This year’s was in mid-September.
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