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ISO‑NE Wind Generation Surges 68% YoY in 2026’s First Nine Months

1 reports1 sources10/14/2026 updated

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ISO‑NE wind generation rose 68% year‑on‑year in the first nine months of 2026, with September’s output reaching 668.9 GWh—more than double the September total in 2025. Regional wind capacity expanded 47% to 2.5 GW, establishing a new historical high for the area. The growth reflects a broader shift toward renewable energy in New England and signals a significant increase in the region’s ability to meet electricity demand with wind power.

Written with AI from the reporting · updated 10/14/2026

Latest developmentOct 14, 22:00
ISO-NE Wind Generation Up 68% in First Nine Months of 2026 Due to Capacity Growth
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  1. 1Unclassified fact stationOct 14, 00:00recorded Oct 14, 22:23single sourcerevised

    ISO-NE wind generation 68% higher year-on-year in first nine

    Read original source ↗ EIA Today in EnergyReplay this moment in the explorer
    Evidence & revisions · 1 source records
    Subject：
    ISO New England
    Action：
    Monthly wind generation comparison
    Object：
    Wind generation data
    Occurred (fact side)：
    Oct 14, 00:00
    EIA Today in Energy ↗Report pageRevision 2 · currently revised
    Published (valid side)：
    Oct 14, 22:00
    First seen (known side)：
    Oct 14, 22:23
    Fact stationSingle source · one-sided claimRevised

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Oct 14
  1. EIA Today in EnergyFirst-party sourceRelated fact: single sourceSource report revised
    ISO-NE Wind Generation Up 68% in First Nine Months of 2026 Due to Capacity Growth

    Report first recorded Oct 14, 22:23

    Monthly wind generation in ISO New England (ISO-NE) averaged 68% higher in the first nine months of 2026 compared to the same period in 2025. September 2026 saw the highest monthly generation at 668.9 GWh, more than double September 2025 levels. Regional wind capacity increased 47% in 2026 to 2.5 gigawatts, up from a 12% increase in 2025. Total wind generation for the first nine months of 2026 reached 4,619 GWh, which is 1.9% more than last year's annual total of 4,533 GWh.

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