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30 MW Wind operating in Washington, RI — ISO New England Inc.
30 MW
Nameplate Capacity
1
Generators
unit
Offshore Wind Turbine
Technology
2016
Operating Since
Coordinates
41.1147, -71.5211
County
Washington, RI
Nearby Plants
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 | Deepwater Wind Block Island LLC | Ørsted | — |
| Owner(s) | Deepwater Wind Block Island LLC | Ørsted | Ørsted US Offshore Wind |
| Status | Operating | operating | — |
Block Island Wind Farm is the first commercial offshore wind farm in the United States, located 3.8 mi (6.1 km) from Block Island, Rhode Island in the Atlantic Ocean. The five-turbine, 30 MW project was developed by Deepwater Wind, now known as Ørsted US Offshore Wind.
Read more on WikipediaThe Block Island Wind Farm is a 30 MW offshore wind power plant located in Washington County, Rhode Island. The facility began operating in 2016 and is owned by Ørsted, a Danish company, with Deepwater Wind Block Island LLC as the listed operator per EIA data. The plant consists of a single generator utilizing offshore wind turbine technology. The wind turbines have a hub height of 106 meters and a rotor diameter of 150 meters. The turbines were manufactured by GE Wind, model Haliade 150-6.
The Block Island Wind Farm is connected to the ISO New England Inc. balancing authority and operates within the NPCC NERC region. In its latest year of reported generation, the plant produced 87,371 MWh of electricity, achieving a capacity factor of 33.3%. The plant is ranked as the 2nd largest in Rhode Island out of 20 facilities, and 1015th nationally out of 1424 plants.
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
34.5 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
11.7K MWh
Latest Month
87.4K MWh
Annual Generation
33.3%
Capacity Factor
2016
$1,646/kW
Est. Construction Cost
Total estimated cost: $49.4M
Market Position
ISO/RTO Market
ISO-NE
LMP Node
—
Pricing Hub
.Z.RHODEISLAND
Node Source
OSM spatial match
Last updated 2026-03-26
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