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Installed Capacity: - MW
Annual Production: - GW
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Rated Power pr. Turbine: - MW
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Offshore Wind Statistics

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Commissioned Sites by Developer/Owner

Operator Sites
DONG Energy 13
Vattenfall 7
E.ON 4

Comissioned Sites by turbine manufacturer

Turbine Manufacturer Sites
Siemens Wind Power 17
Vestas Wind Systems 16.83
Bonus Energy 4.83

Installed Capacity by Country

Country MW %
United Kingdom 3,309.2 63.76
Denmark 871.45 16.79
Netherlands 246.8 4.76

Installed Capacity by commissioned site

Site MW
London Array 1 630
Greater Gabbard 504
Sheringham Shoal 316.8

Installed Capacity by Operator

Operator MW %
DONG Energy 1,793.25 34.55
Vattenfall 830.9 16.01
SSE Renewables 514 9.9

Installed Capacity & Number of Turbines by turbine manufacturer

Manufacturer
Model
 MW %
Siemens Wind Power
Siemens SWT-3.6-107
Siemens SWT-3.6-120
Siemens SWT-2.3-93
Siemens SWT-2.3-101
Siemens SWT-2.3-82 VS
3,003.9
1,551.6
824.4
575
50.6
2.3
57.88
29.9
15.88
11.08
0.97
0.04
Vestas Wind Systems
Vestas V90-3.0 MW
Vestas V80-2.0 MW
Vestas V39-500 kW
Vestas V66-2.0 MW
Vestas V47-660 kW
1,393.32
957
426
5
4
1.32
26.85
18.44
8.21
0.1
0.08
0.03
Bonus Energy
Bonus 2.3 MW/82
Bonus 2.0 MW/76
Bonus 450 kW/37
245.05
200.1
40
4.95
4.72
3.86
0.77
0.1
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Tuno Knob Offshore Wind Farm

General Information

Official Name: Tuno Knob
Development Status: Commissioned
Number of Rows/Turbines: 2 x 5 turbines
Distance Between Rows/Turbines: 400 m / 200 m
Location: Dyngby Strand
Region: Odder, Jylland
Country: Denmark
Sea Name: Kattegat
GPS Latitude: 55.9682
GPS Longitude: 10.3548
Distance From Shore: 6 km
Water Depth: 3-6 m

Timeline & Track Records

Construction Start: 1995
First Power Generation: 1995 (May)
Commission Year: 1995 (May)
Developer: Midtkraft
Installer Inter-Array Cables: JD-Contractor (Jydsk Dyk)
Installer Export Cables: JD-Contractor (Jydsk Dyk)
Operator: DONG Energy
TSO: Energinet.dk
Estimated Project Cost: 11.7 mio €

Wind & Waves

Average Wind Speed: 7.8 m/s at 40.5 m

Production & Performance

Total Installed Capacity: 5 MW
Total Number of Turbines: 10
Annual Estimated Production: 12.5 GWh/year
Annual Production: 14.14 GWh in 2011

Show previous years

13.43 GWh in 2010
13.16 GWh in 2009
13.42 GWh in 2008
14.89 GWh in 2007
11.74 GWh in 2006
13.46 GWh in 2005
14.04 GWh in 2004
12.29 GWh in 2003
14.30 GWh in 2002
12.80 GWh in 2001
15.10 GWh in 2000
13.04 GWh in 1999
15.13 GWh in 1998
12.02 GWh in 1997
12.62 GWh in 1996
Capacity Factor: 32.28 % in 2011

Show previous years

30.67 % in 2010
20.05 % in 2009
30.64 % in 2008
34.00 % in 2007
26.81 % in 2006
30.73 % in 2005
32.05 % in 2004
28.06 % in 2003
32.64 % in 2002
29.23 % in 2001
34.48 % in 2000
29.76 % in 1999
34.53 % in 1998
29.73 % in 1997
28.81 % in 1996

Turbine, Tower & Substructure

Turbine:  
Turbine Manufacturer: Vestas Wind Systems
Turbine Model: Vestas V39-500 kW
Number of Turbines: 10
Rated Power pr. Turbine: 0.5 MW
Estimated Watt pr. Rotor m2: 419 watt
Operational:  
Cut-in Wind Speed: 4.5 m/s
Rated Wind Speed: 16 m/s
Cut-out Wind Speed: 25 m/s
Rotor & Hub:  
Rotor Type: 3-bladed, horisontal axis
Rotor Position: Upwind
Rotor Diameter: 39 m
Rotor Area: 1195 m2
Rotor Speed (rated): 30 rpm
Rotor Weight (incl. hub): 6 t
Hub Height (above MSL): 40.5 m
Blade Tip Speed (rated): 61.26 m/s
Blade Tip Height (above MSL): 60 m
Power Regulation: Pitch regulated (hydraulic)
Nacelle:  
Drive Train Type: High speed
Gearbox Ratio: 1:50
Generator Type: Asynchronous
Generator Rated Power: 500 kW
Generator Number of Poles: 4 poles
Power Frequency: 50 Hz
Turbine Voltage Level: 690 V
Yaw Speed: 0.5 °/sec
Nacelle Weight: 18 t
Top Head Mass: 24 t
Tower:  
Structure Type: Tubular
Structure Material: Steel
Height: 39 m
Weight: 28.5 t
Substructure:  
Structure Type: Gravity based
Number of Support Structures: 10
Support Structure Material: Concrete
Foundation Type: Gravity
Substructure Manufacturer: Skanska
 
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