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800 MW Wind testing in Dukes, MA
Plant location falls outside the published BA/NERC/RC polygon coverage (coastal or border edge case).
800 MW
Nameplate Capacity
1
Generators
unit
Offshore Wind Turbine
Technology
—
Operating Since
Coordinates
41.0471, -70.4874
County
Dukes, MA
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Request a demo →Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Vineyard Wind 1 LLC | Avangrid Renewables; Copenhagen Infrastructure Partners | — |
| Owner(s) | Vineyard Wind 1 LLC | Avangrid | — |
| Status | Testing | pre-construction | — |
Vineyard Wind 1 is an 800 MW offshore wind power plant located in Dukes County, Massachusetts. The facility, which utilizes offshore wind turbine technology, is owned by Avangrid and operated by Vineyard Wind 1 LLC. It is the largest wind power plant in Massachusetts and ranks ninth nationally out of 734 wind plants. The plant has one generator.
The facility's primary fuel source is wind (WND). Vineyard Wind 1 is located within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region.
Generated from EIA, GEM, and public data sources
ISO/RTO
ISO-NE
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
ISO New England Inc. (ISNE)
Grid Voltage
115.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
No generation data available for this plant.
2023
$2,114/kW
Est. Construction Cost
Total estimated cost: $1.7B
Point of Interconnection
Nearest Substation
AM37
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
—
Pricing Hub
.H.INTERNAL_HUB
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-04-19
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