Power plants in Dukes County, Massachusetts
4 operating power plants in Dukes County, Massachusetts, with 803 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
4
Nameplate capacity
803 MW
Net generation, 2025
4.84 GWh
3 of 4 plants reported
Largest power plants in Dukes County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Vineyard Wind 1Wind | 800 | – | – |
| 2 | Tisbury Landfill SolarSolar | 1.1 | 1.5 | 15.8% |
| 3 | Katama FarmSolar | 1.0 | 1.6 | 18.7% |
| 4 | NunnepogSolar | 1.0 | 1.7 | 19.2% |
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
More power plant lists for Massachusetts
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Other counties in Massachusetts
Worcester County188 plants · 1,953 MWHampden County79 plants · 1,402 MWPlymouth County69 plants · 473 MWBristol County65 plants · 592 MWMiddlesex County59 plants · 474 MWBerkshire County42 plants · 1,024 MWHampshire County38 plants · 160 MWNorfolk County37 plants · 2,731 MWEssex County33 plants · 1,151 MW