Explainer: Who decides where New England’s electricity comes from?
ISO-NE uses sophisticated software to identify the best way to continuously satisfy electricity demand at the lowest cost.
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Wildfire smoke affecting electricity demand in New England
The smoke is creating challenging conditions for ISO-NE forecasters through lower temperatures and reduced solar output.
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- Inside ISO New England
- Tags
- solar, system operations, weather
Ebb and flow of wholesale energy prices detailed in ISO-NE charts
Variables like the weather, consumer demand, and fuel costs mean the price of wholesale electricity is in constant flux.
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- Inside ISO New England
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- wholesale markets
Summer 2026 update on regional transmission investment now available; 3 projects under construction in New England
One upgrade has been placed in service since March 2026, according to the latest update to the Regional System Plan.
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- Publications
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- transmission planning
ISO Minute: Publishing the CELT Report
Melanie Buell works with experts across the ISO to compile a foundational resource for system planning and reliability studies.
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- Features & Interviews
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- CELT, ISO Minute
Webinar materials available on changes to power system modeling data requirements
The webinar covered changes to the NX Application prompted by FERC Order No. 881.
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- Market Participant Information
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- training
ISO-NE staff discuss nuclear energy, extreme weather challenges at June events
A roundup of ISO-NE staff speaking engagements in June 2026.
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- Events
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- ISO leadership
Monthly wholesale electricity prices and demand in New England, May 2026
Wholesale prices were up in both the day-ahead and the real-time markets in May.
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- Inside ISO New England
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- monthly prices
Hot weather updates: Week of June 29, 2026
ISO New England is closely monitoring system conditions.
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- Inside ISO New England
- Tags
- summer, system operations
ISO-NE provides update on compliance with FERC large loads order
The ISO and the region’s transmission owners intend to request a 90-day abeyance as part of the compliance process.
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- Inside ISO New England
- Tags
- FERC
Consumer Liaison Group examines data center growth
The CLG meeting explored how “large loads” may affect grid reliability, infrastructure planning, and local communities.
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- Events
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- consumer liaison group