Alpha Ventus

60 MW Fully Commissioned Germany

"4C provides regular updates of in-depth data relative to our needs."

Reef Subsea

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Latest Update: 14 September 2015
Planned annual maintenance of the network connection took place between the 14th and 18th September. Read More
Deutsche Offshore-Testfeld- und Infrastruktur GmbH & Co. KG (DOTI)
Operator correct
26.25% stakeholder in project with Vattenfall Europe 26.25% and EWE 47.5%.
Value: LogIn
47.5% stakeholder in project with rest of shares split equally between E.ON and Vattenfall Europe.
Value: LogIn
26.25% stakeholder in project with E.ON 26.25% and EWE 47.5%.
Value: LogIn
Project Details for Alpha Ventus
General Information Name Alpha Ventus correct
Other names Borkum West I correct
Country name Germany correct
Region Exclusive Economic Zone 1 (DolWin) (BSH Cluster 2 in Draft Network Plan) correct
Comments Wind Park made up of 6 Multibrid M5000 turbines (Rotor Diameter 116m, Hub Height 90m Total height 148m, Tripod) and 6 REpower turbines (Rotor Diameter 126m, Hub Height 92m Total height 155m, Jacket).

An added benefit of the wind farm is that colonies of oysters, crabs and anemones have begun to populate the turbine bases.
Round (or category) correct
Development status Fully Commissioned correct
Comments on the status correct
Power & Turbines Notice any Errors? You can keep this an open resource by submitting corrections!
Project Capacity 60 MW correct
Turbine Model 6x Senvion 5M, 6x Areva Wind M5000-116 correct
Turbine Capacity correct
Number of Turbines 12 correct
Total Turbine Height correct
Hub Height 92.00 m correct
Rotor Diameter correct
Foundation Various (Tripod and Jacket) correct
Windspeed 10 Year Mean Wind Speed (2000-2009) Available online now
Costs Stated Project Cost EUR(mill) 250.00 correct
Location & Environment Sea name North Sea correct
Centre latitude 54.010° correct
Centre longitude 6.606° correct
Area 4 km2 correct
Depth range (Chart Datum) 28 m - 30 m correct
Depth range stated by developer 30 m - 30 m correct
Distance From Shore (reported) 56 km correct
Distance From Shore (computed from centre) 56 km correct
Ports Installation base Wilhelmshaven/Bremerhaven/Eemshaven correct
Ops and maintenance Norddeich port, with turbines monitored from a control centre in Norden. correct
Grid Converter/Collector platforms None correct
Offshore transformers Alpha Ventus Substation correct
Grid connection point Hagermarsch correct
Cable landing point Hilgenriedersiel correct
Export Cables
Please note that export cables connect the offshore transformer (substation) to either; shore or an offshore HVAC-HVDC converter station for onward transmission via HVDC cabling. Please see the converters page for planned converter stations and transmission cables.

The export cable length does not generally include the onshore component. The exception is when the onshore substation is close to shore.
Number of Export Cables 1 correct
Average length per cable 60 km correct
Transmission type (e.g. HVAC) HVAC correct
Nominal voltage 110 kV correct
Maximum voltage correct
Power rating correct
Number of cores 3 correct
Conductor type Cu correct
Section Area 240 mm2 correct
Insulation XLPE correct
Number fibre optics 48 correct
Export minimum bend radius (MBR) correct
Burial depth correct
Comments correct
Onshore Cables Number of onshore cables correct
Average length per cable correct
Comments correct
Array Cables Array cable length 16 km correct
Estimated cable length LogIn
Transmission type (e.g. MVAC) MVAC correct
Nominal voltage 30 kV correct
Maximum voltage correct
Burial depth 0.6 m correct
Number of cores 3 correct
Conductor type Cu correct
Section 240 mm2 correct
Insulation correct
Power rating correct
Number of fibre optics 48 correct
Minimum bend radius (MBR) correct
Comments TEKMAR bend restrictors correct
Benefits Homes powered annually 42495 correct
CO2 reduced per year 85883 tonnes correct
SO2 reduced per year 1997 tonnes correct
Expected life 20.0 years correct
Other Website Visit correct

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