# New England wind generation averaged 68% higher in the first nine months

> EIA said regional capacity grew 47% in 2026 to 2.5 GW and September generation reached 668.9 GWh.

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- Publisher: Newsverum
- Section: Energy
- Country: United States
- Published: 2026-10-15T08:58:13+00:00
- Updated: 2026-10-15T08:58:13+00:00
- Event / data period: 2026-10
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The U.S. Energy Information Administration reported on October 14 that monthly wind generation in ISO New England averaged 68% more in the first nine months of 2026 than in the same period of 2025. September output reached 668.9 gigawatt-hours, the highest monthly level of the year and more than double September 2025.

EIA said regional wind capacity increased 47% so far in 2026 to 2.5 gigawatts. Generation totaled 4,619 GWh in the first nine months, 1.9% more than the full-year 2025 total of 4,533 GWh. Because those totals cover different lengths of time, the comparison is not a year-over-year growth rate. EIA based its analysis on hourly grid data.

## Data

### Wind generation indicators

EIA analysis of ISO New England data, October 14, 2026.

Methodology: Volumes are in GWh and remain in prose because there is no registered GWh unit or ISO-NE geography. Percentage comparisons specify their basis and period; the nine-month total versus full-year 2025 is not an annual growth comparison.

| date | label | description | status |
|---|---|---|---|
| 2026-10-14 | September monthly generation: 668.9 GWh | EIA said this was the highest monthly level of 2026 and more than double September 2025. | occurred |
| 2026-10-14 | Daily generation peaked at 47.3 GWh | The October 6 value was 1% above the previous record on September 10. | occurred |

Sources: <https://www.eia.gov/todayinenergy/detail.php?id=68304> · Download data: [JSON](https://newsverum.com/api/v1/articles/eia-new-england-wind-generation-through-september-2026/data/eia-iso-new-england-wind-generation-january-september-2026?lang=en&format=json) · [CSV](https://newsverum.com/api/v1/articles/eia-new-england-wind-generation-through-september-2026/data/eia-iso-new-england-wind-generation-january-september-2026?lang=en&format=csv)

## Sources

- [U.S. Energy Information Administration](<https://www.eia.gov/todayinenergy/detail.php?id=68304>) (Source checked: 2026-10-15; Published: 2026-10-14)

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