ISO-NE expects minimal power system impacts from partial solar eclipse
Output from behind-the-meter photovoltaics could be reduced by 600 to 800 megawatts.
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solar
Explainer: How does ISO-NE track production from ‘behind-the-meter’ and other solar resources?
Understanding how much electricity solar resources can produce is an important part of power grid operations and planning.
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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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ISO-NE expands behind-the-meter forecast to include batteries
BTM resources affect both how and when consumers use electricity from the grid.
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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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New England grid saw 134 ‘duck curve’ days in 2025
On sunny days, behind-the-meter solar supplies a significant amount of electricity that otherwise would come from the grid.
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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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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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Sunny spring days push grid demand to new lows
“Duck curve” days are happening with increasing frequency and deepening impact as more behind-the-meter solar comes on line.
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ISO-NE expands accounting, forecasting of distributed energy resources
New tools give system planners greater insight into solar power and battery systems that reduce demand for grid electricity.
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