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Installed Capacity: - 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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Jeju Demonstration Offshore Wind Farm

General Information

Official Name: Jeju Demonstration
Development Status: Commissioned
Layout Description: Single turbine
Location: Jeju Island
Region: Jeju-do
Country: South Korea
Sea Name: Korea Strait
GPS Latitude: 33.5667
GPS Longitude: 126.800
Distance From Shore: 1.2 km

Timeline & Track Records

Commission Year: 2011 (August)
Developer: Korean Institute for Energy Research (KIER)
Operator: Korean Institute for Energy Research (KIER)
TSO: Korea Electric Power Corporation (KEPCO)

Production & Performance

Total Installed Capacity: 2 MW
Total Number of Turbines: 1

Turbine, Tower & Substructure

Turbine:  
Turbine Manufacturer: STX Windpower
Turbine Model: STX 72
Number of Turbines: 1
Rated Power pr. Turbine: 2 MW
Estimated Watt pr. Rotor m2: 510 watt
Wind Class: IEC IIB
Design Life: 20 years
Operational:  
Cut-in Wind Speed: 3 m/s
Rated Wind Speed: 13 m/s
Cut-out Wind Speed: 25 m/s
Operational Temperature: -20°C to 40°C
Rotor & Hub:  
Rotor Type: 3-bladed, horisontal axis
Rotor Position: Upwind
Rotor Diameter: 70.65 m
Rotor Area: 3920 m2
Rotor Speed (rated): 22.5 rpm
Rotor Speed (max): 28.5 rpm
Rotor Weight (incl. hub): 33 t
Hub Weight: 18 t
Blade Tip Speed (rated): 83.23 m/s
Blade Tip Speed (max): 105.43 m/s
Blade Length: 34 m
Blade Root Chord (root diameter): 3.05 m
Weight pr. Blade: 4.713 t
Power Regulation: Pitch regulated with variable speed (electric)
Blade Pitch Angle: -2° to 90°
Nacelle:  
Drive Train Type: Direct drive
Generator Type: PMSG
Generator Rated Power: 2000 kW
Generator Number of Poles: 60 poles
Power Converter: Full scale
Power Converter Location: Tower
Power Frequency: 60 Hz
Turbine Voltage Level: 660 V
Yaw Speed: 0.5 °/sec
Yaw Gears - Number: 4
Yaw Brake Type: Hydraulic
Dimensions of Nacelle:  
Length: 3.3 m
Width: 2.9 m
Height: 3.7 m
Nacelle Weight: 65.4 t
Top Head Mass: 98.4 t
Tower:  
Structure Type: Tubular
Structure Material: Steel
Substructure:  
Structure Type: Jackets
Number of Support Structures: 1
Support Structure Material: Steel
Foundation Type: Piled

Resources

Website: Jeju Demonstration Offshore Wind Farm
 
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