Borkum Riffgrund 1
Located 55km NW of German coast, 40km NNW of Borkum. Developed by DONG Energy (now Ørsted).
Status
Operationallifecycle stage
Ownership
Ørsted — 50% ◆GRGreencoat Renewables PLC — 50% ◆
Location
GermanyNorth Sea
Technology
Capacity
312 MW ◆
Turbines
78 × 4 MW ◆
Model
Siemens Swt 4-0-120 ◆
Foundation
Monopile ◆
Site & conditions
Site rights
Seabed rights held ∴
Water depth
24–30 m ◆
Distance from shore
55 km ◆
Wind speed
9.9 m/s @ 100 m ≈
Revenue & grid
Offtake
Premium ◆
Grid
Secured · 2015 ◆
Connection
TenneT DolWin alpha HVDC (±320 kV DC; ~130 km offshore cable to … ◆
Schedule
FID
2011 ◆
COD
Oct 2015 ◆
Project timeline & ownership verified milestones on the spine · ownership from Hafrok's transactions record
6 dated milestones on the spine, each with its source · 3 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 Premium contract's terms · 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 14 sources (16 primary) · ◆ 10 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.
Regulator2
[1]
Bundesamt für Seeschifffahrt und Hydrographie (BSH)2004-02-25◆ Genehmigungsbescheid Offshore-Windpark B…
“Hamburg, den 25. Februar 2004 Genehmigungsbescheid [...] Nordwest (WSD), Schlossplatz 9, 26603 Aurich, genehmigt. [...] Die Eckkoordinaten (geographisches Bezugssystem WGS 84) des Gebietes, in dem die…”
supportsConsentWater depthCoordinatesConsent granted
[13]
Bundesnetzagentur — Marktstammdatenregister2026-08-23◆ Marktstammdatenregister (MaStR) offshore…
“Park row "Borkum Riffgrund 1": 78 units, 327.4 MW gross, statuses {'In Betrieb': 78}, operators ['Borkum Riffgrund I Offshore Windpark A/S GmbH ＆ Co. oHG'], commissioned 2015-02-16..2015-07-14, planne…”
supportsRegister entry
Operator8
[2]
Ørsted A/S2015-02◆ First power at German offshore wind farm
“Electricity has been generated and fed into the German grid for the first time at the offshore wind farm Borkum Riffgrund 1. … Borkum Riffgrund 1 is located 54 kilometres of coast, 37 kilometres off t…”
supportsFirst powerDistance from shore
[3]
Ørsted A/S2015-10◆ DONG Energys first offshore wind farm in…
"The wind farm is located 37 kilometres north of the German island Borkum and 54 kilometres from the German coast. The 78 wind turbines have a total nominal power of 312 MW. … The planning of the offs…
supportsFinal investment decisionCommercial operationCOD historyTurbinesTotal capacity+1 more
[4]
Ørsted A/S2014-10◆ DONG Energy installs first wind turbine …
“The first of 78 wind turbines has been successfully installed at DONG Energy's first German offshore wind farm, Borkum Riffgrund 1. The wind farm, which has a total capacity of 312MW … The offshore co…”
supportsOnshore constructionOffshore constructionSite rightsTurbinesTotal capacity
[5]
[6]
Ørsted A/S2014-07◆ All 77 foundations are in place at the G…
“The installation of the 77 monopile foundations and transition pieces were successfully finished Tuesday, 29, July 2014. [...] Borkum Riffgrund 1 Offshore Wind Farm will consist of 78 wind turbines wi…”
supportsTurbinesTotal capacityFoundationmarshalling
[15]
Unternehmensregister2018-05-08◆ Borkum Riffgrund I Offshore Windpark A/S…
“ist zum Bilanzstichtag 31. Dezember 2016 eine offene Handelsgesellschaft im Sinne des § 264a und § 267a HGB und unter der Nummer HRA 201463 im Handelsregister A des Amtsgerichts Aurich eingetragen. Si…”
supportsMechanismDetail
[18]
Unternehmensregister2025-02-14◆ Borkum Riffgrund I Offshore Windpark A/S…
“ist zum Bilanzstichtag 31. Dezember 2023 eine offene Handelsgesellschaft im Sinne des § 264a HGB und unter der Nummer HRA 201463 im Handelsregister A des Amtsgerichts Aurich eingetragen. Sitz der Gese…”
supportsMechanismDetail
[19]
Unternehmensregister2026-02-04◆ Borkum Riffgrund I Offshore Windpark A/S…
“ist zum Bilanzstichtag 31. Dezember 2024 eine offene Handelsgesellschaft im Sinne des § 264a HGB und unter der Nummer HRA 201463 im Handelsregister A des Amtsgerichts Aurich eingetragen. Sitz der Gese…”
supportsMechanismDetail
Financier2
[7]
Greencoat Renewables PLC2022-04
“Greencoat Renewables PLC … announced an agreement to acquire 50% of the Borkum Riffgrund 1 offshore wind farm in Germany from Kirkbi A/S (31.5%) and William Demant Invest A/S (18.5%) for a total cash …”
supportsCommercial operationTurbinesModelUnit capacityMechanism+1 more
[11]
Greencoat Renewables2022-06
“Greencoat Renewables PLC announces an agreement to acquire 50% of the Borkum Riffgrund 1 offshore wind farm in Germany from Kirkbi A/S (31.5%) and William Demant Invest A/S (18.5%) ... Ørsted, which r…”
supportsoperatorinvestor
Trade press2
[10]
Power Technology / GlobalData2015-12
Press report — cited, not quoted; read it at the source link.
supportsFoundationStatusConnection point
[12]
Early access