Block Island Wind Farm
Located in Rhode Island state waters, 6 km from Block Island. 34 km submarine cable to mainland Narragansett, RI. Project cost ~$290M.
Status
Operationallifecycle stage
Ownership
Ørsted — 100% ◆Location
United StatesNorthwest Atlantic
Technology
Capacity
30 MW ◆
Turbines
5 × 6 MW ◆
Model
GE Haliade 150-6-0 ◆
Foundation
Jacket ◆
Site & conditions
Site rights
Seabed rights held ∴
Water depth
20–30 m ◆
Distance from shore
6 km ◆
Wind speed
9.2 m/s @ 100 m ≈
Revenue & grid
Offtake
PPA ◇
Grid
Secured · Dec 2016 ◆
Connection
National Grid Rhode Island; 34 km submarine cable landfall at … ◆
Schedule
FID
Mar 2015 ◇
COD
2016-Q4 ◆
Project timeline & ownership verified milestones on the spine · ownership from Hafrok's transactions record
6 dated milestones on the spine, each with its source · 2 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 12 sources (6 primary) · ◆ 7 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.
Operator4
[1]
Ørsted A/S2018-12◆ Connecticut Regulators Approve Revolutio…
“Block Island, America's first offshore wind farm, comprises five General Electric 6MW turbines with a total capacity of 30MW. The Block Island wind farm, located 3 miles from Block Island, Rhode Islan…”
supportsCommercial operationCOD historyTurbinesUnit capacityTotal capacity+2 more
[2]
Ørsted A/S2021-02◆ Ørsted Annual Report 2020
“Deepwater Wind Block Island, LLC, Delaware, the US S 100 % Deepwater Wind Block Island Holdings, LLC, Delaware, the US S 100 % Deepwater Wind Block Island Transmission, LLC, Delaware, the US S 100 %”
supportsoperator
[4]
U.S. Department of the Interior2015-07-27◆ Secretary Jewell, Director Hopper Laud C…
"Steel in the water milestone for America's first commercial scale offshore wind farm. Five-turbine, 30-megawatt wind farm in state waters about three nautical miles southeast of Block Island. Turbine…
supportsConsentOnshore constructionOffshore constructionSite rightsConsent granted
[6]
U.S. Energy Information Administration2016-12◆ Federal leasing for offshore wind grows …
“The first commercial U.S. offshore wind farm, Block Island, is scheduled to come online in late 2016. Block Island consists of five wind turbines that will produce 30 megawatts (MW) of electricity. Al…”
supportsBackground
Auction results1
[14]
Wikipedia (citing RI PUC docket)2017◆ ri-block-2010-puc
In 2009 Deepwater signed a PPA with National Grid to sell power at an initial 24.4 c/kWh, with a guaranteed 3.5% annual increase.
supportsUtility PPA · Rhode Island Block Island Wind Farm PPA (Deepwater Wind / National Grid)
Trade press7
[3]
Ørsted A/S (via GlobeNewswire)2018-10-08◆ Ørsted acquires Deepwater Wind and creat…
“Block Island, America's first offshore wind farm, comprises five General Electric 6MW turbines with a total capacity of 30MW. The Block Island wind farm, located 3 miles from Block Island, Rhode Islan…”
supportsBackground
[5]
Offshore Energy2010-08-13
Press report — cited, not quoted; read it at the source link.
supportsMechanismDetail
[7]
Pacific Northwest National Laboratory (PNNL / Tethys)2024◆ Block Island Wind Farm | Tethys
“Installed capacity: 30 MW. Number of turbines: 5. Turbine model: Haliade 150-6 MW. Support structure: Jacket foundation (pile-driven). Distance from shore: 6.1 km. Water depth: 22-31 m. Construction s…”
supportsModelFoundationWater depthDistance from shoreCoordinates
[8]
Clean Energy States Alliance2018
“Deepwater Wind used four Rhode Island ports – Block Island, Galilee, Quonset Point and ProvPort – to complete construction and staging.”
supportsturbine assembly and staging
[9]
GlobalData / Power Technology2017
Press report — cited, not quoted; read it at the source link.
supportsFinal investment decision
[10]
Marine Log2016-12-13
“DECEMBER 13, 2016 — America's first offshore wind farm is up and running. Deepwater Wind reported yesterday that the Block Island Wind Farm has completed its commissioning and testing phases and has b…”
supportsFirst power
[11]
Early access