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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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Rudong 1 Intertidal Offshore Wind Farm

General Information

Official Name: Rudong 1 Intertidal
Development Status: Commissioned
Location: Rudong
Region: Jiangsu
Country: China
Sea Name: East China Sea
GPS Latitude: 32.5337
GPS Longitude: 121.1747
Distance From Shore: 3-8 km

Timeline & Track Records

Project Start: 2010 (December) - Project consented
Construction Start: 2011 (April) - Offshore construction started
Commission Year: 2011 (November)
Developer: China Longyuan Power - owned by China Guodian (100%)
Installer Turbines: Jiangsu Electric Power Construction
Installer Substructure: Nantong Ocean Water Conservacy Engineering
Operator: China Longyuan Power
TSO: East China Power Grid (ECPG)

Production & Performance

Total Installed Capacity: 48.3 MW
Total Number of Turbines: 21
Annual Estimated Production: 375 GWh/year

Turbine, Tower & Substructure

Turbine:  
Turbine Manufacturer: Siemens Wind Power
Turbine Model: Siemens SWT-2.3-101
Number of Turbines: 21
Rated Power pr. Turbine: 2.3 MW
Estimated Watt pr. Rotor m2: 287 watt
Operational:  
Cut-in Wind Speed: 3.5 m/s
Rated Wind Speed: 12.5 m/s
Cut-out Wind Speed: 25 m/s
Power Curve Data:

Show power curve data

25.0 m/s - 2300 KW
24.0 m/s - 2300 KW
23.0 m/s - 2300 KW
22.0 m/s - 2300 KW
21.0 m/s - 2300 KW
20.0 m/s - 2300 KW
19.0 m/s - 2300 KW
18.0 m/s - 2300 KW
17.0 m/s - 2300 KW
16.0 m/s - 2300 KW
15.0 m/s - 2300 KW
14.0 m/s - 2300 KW
13.0 m/s - 2300 KW
12.0 m/s - 2295 KW
11.0 m/s - 2253 KW
10.0 m/s - 2051 KW
9.0 m/s - 1581 KW
8.0 m/s - 1102 KW
7.0 m/s - 725 KW
6.0 m/s - 441 KW
5.0 m/s - 239 KW
4.0 m/s - 115 KW
3.0 m/s - 0 KW
2.0 m/s - 0 KW
1.0 m/s - 0 KW
0.0 m/s - 0 KW
Rotor & Hub:  
Rotor Type: 3-bladed, horisontal axis
Rotor Position: Upwind
Rotor Diameter: 101 m
Rotor Area: 8012 m2
Rotor Speed (min): 6 rpm
Rotor Speed (rated): 16 rpm
Rotor Weight (incl. hub): 60 t
Blade Tip Speed (rated): 84.61 m/s
Blade Length: 49 m
Blade Root Chord (root diameter): 3.4 m
Power Regulation: Pitch regulated with variable speed (hydraulic)
Nacelle:  
Drive Train Type: High speed
Main Bearing: Spherical roller bearing
Gearbox Ratio: 1:91
Gearbox Stages: 3 planetary stages, 1 helical stage
Gearbox Lubrication: Splash/forced lubrication
Generator Type: Asynchronous
Generator Rated Power: 2300 kW
Power Converter: Full Scale
Power Frequency: 60 Hz
Turbine Voltage Level: 690 V
Yaw Gears - Number: 8
Nacelle Weight: 82 t
Top Head Mass: 142 t
Tower:  
Structure Type: Tubular
Structure Material: Steel
Substructure:  
Structure Type: Other piled
Number of Support Structures: 21
 
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