alpha ventus
6 REpower 5M on jackets, 6 Multibrid M5000 on tripods. Located 45km north of Borkum.
Status
Operationallifecycle stage
Ownership
Location
GermanyNorth Sea
Technology
Capacity
60 MW ◆
Turbines
12 × 5 MW ◆
Foundation
Jacket+Tripod ◆
Site & conditions
Site rights
Seabed rights held ∴
Water depth
28–30 m ◆
Distance from shore
45 km ◆
Wind speed
9.9 m/s @ 100 m ≈
Revenue & grid
Offtake
FiT ◆
Grid
Secured · Aug 2009 ◆
Connection
Hagermarsch substation (110kV, ~70km AC submarine cable, via … ◆
Schedule
FID
2007 ◆
COD
27 Apr 2010 ◆
Project timeline & ownership verified milestones on the spine · ownership from Hafrok's transactions record
5 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 FiT 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 13 sources (6 primary) · ◆ 8 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 fuer Seeschifffahrt und Hydrographie (BSH)2001-11◆ Genehmigungsbescheid Offshore-Windpark a…
supportsConsentConsent granted
[11]
Bundesnetzagentur — Marktstammdatenregister2026-08-23◆ Marktstammdatenregister (MaStR) offshore…
“Park row "alpha ventus": 12 units, 60.0 MW gross, statuses {'In Betrieb': 12}, operators ['DOTI Deutsche Offshore- Testfeld- und Infrastruktur- GmbH ＆ Co. KG'], commissioned 2009-08-01..2010-04-12, pl…”
supportsRegister entry
Operator4
[3]
DOTI (Deutsche Offshore-Testfeld und Infrastruktur GmbH & Co. KG)2025-01
“Project capacity: 60 MW. 12 turbines. Senvion 5M (REpower): 6 units, jacket foundation. Adwen AD 5-116 (AREVA Wind/Multibrid M5000): 6 units, tripod foundation. Ownership: EWE 47.5%, RWE 26.25%, Vatte…”
supportsTurbinesUnit capacityTotal capacityFoundationWater depth+1 more
[5]
Bundesministerium fuer Umwelt, Naturschutz und nukleare Sicherheit (BMU)2009-08-13◆ BMUKN: Germany's First Offshore Wind Tur…
“Germany's First Offshore Wind Turbines Connected to the Grid 13.08.2009 [...] Anchored in a depth of 30 meters below sea level approx. 45 kilometres off the Borkum coast, the first five wind turbines …”
supportsFirst powerStatusConnection point
[12]
Bundesanzeiger2011-12-31◆ DOTI Deutsche Offshore-Testfeld- und Inf…
“Die Umsatzerlöse resultieren aus der EEG-Vergütung der Windenergieanlagen. [...] Durch die Novellierung des EEG im Oktober 2008 wurde die Basisvergütung für Offshore Windanlagen zum 01. Januar 2009 vo…”
supportsMechanismDetail
[13]
Vattenfall2026-10-01◆ Ocean Breeze Energy übernimmt Offshore-W…
“EWE, RWE und Vattenfall verkaufen ihre Anteile am Offshore-Windpark alpha ventus an Ocean Breeze Energy. ... Ocean Breeze Energy plant den Weiterbetrieb über die vorgesehene Laufzeit von 20 Jahren hin…”
supportsBackground
Trade press6
[2]
[6]
Power Info Today2020-01
“Application submitted: May 16, 2000. Project approval: November 2001. Construction began: August 2007. Official commissioning: April 27, 2010. 30kV submarine cable transmits power from turbines to tra…”
supportsFinal investment decisionOffshore constructionSite rightsFoundationStatus+1 more
[7]
[8]
[10]
[14]
Energy Global (reporting Watson Farley & Williams advisory notice)2026-10-07◆ WFW advises EWE on sale of stake in Germ…
Press report — cited, not quoted; read it at the source link.
supportsBackground
Encyclopaedic1
[9]
Early access