Tunø Knob
5 MW Fully Commissioned Denmark

"The 4C database is much more comprehensive than we expected – it is easily accessible, updated regularly and contains a wealth of relevant up to date information. This has been a very good investment for us and we recommend it as a must for the Wind Farm Vessel Supply Chain."

David Symon, Humber Work Boats Ltd

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Gov. Sees State as Future Leader in Wind Energy
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Project Details for Tunø Knob
General Information Name Tunø Knob correct
Other names correct
Country name Denmark correct
Region Odder correct
Comments correct
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 5 MW correct
Turbine Model V39-500kW (Vestas) correct
Turbine Capacity 0.5 MW correct
Number of Turbines 10 correct
Total Turbine Height 64.5 m correct
Hub Height 45.00 m correct
Rotor Diameter 39 m correct
Foundation Grounded: Gravity-Base correct
Windspeed 10 Year Mean Wind Speed (2000-2009) Available online now
Detailed wind speed data 6 hr/day/month historic data
Costs Stated Project Cost GBP(mill) 9.75 correct
Location & Environment Sea name Kattegat correct
Centre latitude 55.968° correct
Centre longitude 10.355° correct
Area 0 km2 correct
Depth range (Chart Datum) 4 m - 7 m correct
Depth range stated by developer correct
Distance From Shore (reported) 5.5 km correct
Distance From Shore (computed from centre) 5.5 km correct
Ports Installation base correct
Ops and maintenance correct
Grid Converter platforms None correct
Offshore transformers None correct
Grid connection point correct
Cable landing point 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 6.04 km correct
Transmission type (e.g. HVAC) MVAC correct
Nominal voltage 12 kV correct
Maximum voltage correct
Power rating correct
Number of cores 3 correct
Conductor type correct
Section Area 150 mm2 correct
Insulation correct
Number fibre optics correct
Export minimum bend radius (MBR) correct
Burial depth 22 m correct
Comments 20.4kg/m, 123.2Ton correct
Onshore Cables Number of onshore cables correct
Average length per cable correct
Comments correct
Array Cables Array cable length 2.81 km correct
Estimated cable length LogIn
Transmission type (e.g. MVAC) MVAC correct
Nominal voltage 12 kV correct
Maximum voltage correct
Burial depth 4 m correct
Number of cores 3 correct
Conductor type correct
Section 150 mm2 correct
Insulation correct
Power rating correct
Number of fibre optics correct
Minimum bend radius (MBR) correct
Comments 20.4kg/m, 57.4Ton correct
Benefits Homes powered annually 3262 correct
CO2 reduced per year 6592 tonnes correct
SO2 reduced per year 153 tonnes correct
Expected life correct
Other Website Visit correct