Vineyard Wind 1
Located approximately 24 km south of Nantucket, Massachusetts (14 miles / 23 km southeast of Martha's Vineyard per BOEM ROD).
Status
Operationallifecycle stage
Ownership
AIAvangrid Renewables (Iberdrola) — 50% ◆
CIP — 50% ◆Location
United StatesNorthwest Atlantic
Technology
Capacity
806 MW ◆
Turbines
62 × 13 MW ◆
Model
GE Haliade X 13 MW ◆
Foundation
Monopile ◆
Site & conditions
Site rights
Seabed rights held ∴
Origination
BOEM Lease Sale 4 · 2015 ·
Water depth
37–49 m ◆
Distance from shore
24 km ◆
Wind speed
10.2 m/s @ 150 m ≈
Revenue & grid
Offtake
PPA · $74/MWh ◆
Grid
Secured · 29 Oct 2020 ◆
Connection
NSTAR 115kV switch station, Barnstable (Independence Park, MA); … ◆
Schedule
FID
15 Sep 2021 ◆
COD
24 Apr 2026 ◆
Project timeline & ownership verified milestones on the spine · ownership from Hafrok's transactions record
6 dated milestones on the spine, each with its source · 5 recorded ownership deals from Hafrok's transactions record · the developer's announced-COD history
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Revenue & offtake contract terms, price levels and the route to market
the contract terms on record · price over time in money of the day · the routes to market and the next visible round
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Installation how the build is going · from sourced statements and Hafrok's registers
construction status and turbines standing · vessel and port contracts · the grid connection and whether it is ready in time
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Sources & verification
Rests on 15 sources (15 primary) · ◆ 12 documents held
◆Verified≈Modelled◇Sourced∴Inferred⌁Convention○Unverified∅No source·Derived
Numbers are stable citation ids — grouped by source class, so they are not consecutive.
Regulator4
[1]
U.S. Department of the Interior / BOEM2021-05-11◆ Vineyard Wind 1 Final Record of Decision…
“joint Record of Decision (ROD) for the final Environmental Impact Statement (FEIS) prepared for the Vineyard Wind 1 Offshore Wind Energy Project (Project) Construction and Operations Plan (COP). The R…”
supportsConsentDistance from shoreConsent granted
[3]
Bureau of Ocean Energy Management2015-04-01◆ document
“Offshore MW LLC (later renamed Vineyard Wind LLC) secured commercial lease OCS-A 0501 from BOEM... The lease covers 166,886 acres in federal waters approximately 12 nautical miles south of Martha's Vi…”
supportsWater depthCoordinates
[13]
Bureau of Ocean Energy Management2021-07-15◆ Vineyard Wind 1 COP approval letter
“Bureau of Ocean Energy Management (BOEM), Office of Renewable Energy Programs regarding Vineyard Wind LLC's (Vineyard Wind) regulatory departure request… BOEM approved Vineyard Wind's Construction and…”
supportsConsentConsent granted
[33]
Bureau of Ocean Energy Management (BOEM)2026-08-23◆ US BOEM offshore-wind register (FR docum…
“Lease row OCS-A 0501: companies ['Vineyard Wind 1 LLC']; lease_dates ['04/01/2015']; lease_terms ['25 Years']; states ['Massachussets']; block_count 100.”
supportsRegister entry
Operator5
[4]
Vineyard Wind (Avangrid / CIP)2021-09-15◆ Vineyard Wind 1 Becomes the First Commer…
"Vineyard Wind 1 becomes the first commercial-scale offshore wind farm in the US to achieve financial close… Copenhagen Infrastructure Partners (CIP): 50% and Avangrid Renewables (subsidiary of AVANGR…
supportsFinal investment decision
[5]
Vineyard Wind (Avangrid / CIP)2024-01-03◆ Avangrid, CIP Announce First Power from …
"At 11:52 PM on January 2, 2024, a single Vineyard Wind 1 turbine delivered approximately 5 MW to the New England grid… Total Capacity: 806 megawatts, 62 wind turbines, Turbine Model: GE Haliade-X." .…
supportsFirst powerTurbinesModelUnit capacityTotal capacity
[6]
Vineyard Wind (Avangrid / CIP)2023-06-07◆ Vineyard Wind begins turbine foundation …
“Vineyard Wind, a joint venture between AVANGRID, Inc. (NYSE: AGR), and Copenhagen Infrastructure Partners (CIP), today announced that work installing the first monopiles and transition pieces has star…”
supportsOnshore constructionOffshore constructionFoundationstaging
[9]
Vineyard Wind2020-10-29
“This agreement allows Vineyard Wind's first 800 MW offshore wind farm to connect its generation into the New England electric power grid at the NSTAR 115kV switch station in Barnstable, Mass.”
supportsStatusConnection point
[27]
Vineyard Wind (Avangrid / CIP)2021-11-19◆ Vineyard Wind breaks ground on first-in-…
“(NEW BEDFORD, MA) – Vineyard Wind, a joint venture between Avangrid Renewables, a subsidiary of AVANGRID, Inc. (NYSE: AGR), and Copenhagen Infrastructure Partners (CIP), today broke ground on Vineyard…”
supportsOnshore constructionOffshore construction
Auction results1
[36]
MA DOER / EDCs2017◆ us-ma-83c-r1
Massachusetts 83C Round 1 RFP (Jun 2017) - selected Vineyard Wind 1 (survived).
supportsUtility PPA · Massachusetts Section 83C Round 1
Trade press5
[7]
offshoreWIND.biz2026-03-16◆ Construction of Vineyard Wind 1 Complete…
Press report — cited, not quoted; read it at the source link.
supportsTurbinesModelUnit capacityTotal capacityFoundation+1 more
[11]
Union of Concerned Scientists2018-08-01◆ document
“Vineyard Wind levelized price $65/MWh over the term; 20-year average $84.23/MWh levelized nominal, equivalent to a levelized NPV of $64.97/MWh in 2017 dollars. The 800 MW Vineyard Wind project priced …”
supportsMechanismStrike / priceDetail
[26]
[28]
The New Bedford Light2026-06-01
“Vineyard Wind announced it reached its commercial operation date on April 24. However, if the project achieves commercial operation with a "capacity deficiency," it can exercise a "capacity downsize o…”
supportsCommercial operationCOD history
[29]
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