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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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Rhyl Flats Offshore Wind Farm

General Information

Official Name: Rhyl Flats
Development Status: Commissioned
Area of Wind Farm: 10 km2
Number of Rows/Turbines: 1 x 6 turbines, 1 x 10 turbines, 1 x 9 turbines
Location: Rhos Point
Region: North Wales
Country: United Kingdom
Sea Name: Irish Sea
GPS Latitude: 53.3795
GPS Longitude: -3.6436
Distance From Shore: 8 km
Water Depth: 6.5-12.5 m

Timeline & Track Records

Project Start: 2002 (March) - Application submitted
2002 (December) - Project consented
Construction Start: 2007 (June) - Seabed preparation
2008 (April) - Foundations
First Power Generation: 2009 (July)
Commission Year: 2009 (December)
Developer: Celtic Offshore Wind (COWL) - owned by RWE npower renewables (100%)
Installer Turbines: SMIT
Installer Substructure: Ballast Nedam
Installer Inter-Array Cables: Subocean - Now Technip
Installer Export Cables: Oceanteam
CT Offshore
Operator: RWE npower renewables - Part of RWE Innogy
TSO: National Grid
Estimated Project Cost: 216 mio €

Production & Performance

Total Installed Capacity: 90 MW
Total Number of Turbines: 25
Annual Production: 286.08 GWh in 2011

Show previous years

209.91 GWh in 2010
40.99 GWh in 2009
Capacity Factor: 36.29 % in 2011

Show previous years

26.62 % in 2010

Substations, Inter-Array & Export Cables

Transmission Type: MVAC / HVAC
Operating Voltage Level: 33 kV / 132 kV
Inter-Array Radials: 1 radial with 6 turbines / 1 radial with 10 turbines / 1 radial with 9 turbines
Inter-Array Cable Type: Parker Scanrope 36 kV / Parker Scanrope 36 kV
Conductor Size: 3 x 185 mm2 (Cu) / 3 x 630 mm2 (Cu)
Length: 12 km / 10.5 km
Total Length: 22.5 km
Export Cable Type: 3 x Parker Scanrope 36 kV
Conductor Size: 3 x 630 mm2 (Cu)
Length: 10.5 km
Total Length: 31.5 km
Power Frequency: 50 Hz
Export Cable Landfall: Towyn beach, North Wales (United Kingdom)
Onshore Substation Location: Towyn, North Wales (United Kingdom)
Onshore Substation Description: 3 x 33 kV land cable extend the export cables and connects the wind farm to the onshore Towyn substation. Each circuit is just under 2 km

Turbine, Tower & Substructure

Turbine:  
Turbine Manufacturer: Siemens Wind Power
Turbine Model: Siemens SWT-3.6-107
Number of Turbines: 25
Rated Power pr. Turbine: 3.6 MW
Estimated Watt pr. Rotor m2: 400 watt
Operational:  
Cut-in Wind Speed: 4 m/s
Rated Wind Speed: 13.5 m/s
Cut-out Wind Speed: 25 m/s
Power Curve Data:

Show power curve data

25.0 m/s - 3600 KW
24.0 m/s - 3600 KW
23.0 m/s - 3600 KW
22.0 m/s - 3600 KW
21.0 m/s - 3600 KW
20.0 m/s - 3600 KW
19.0 m/s - 3600 KW
18.0 m/s - 3600 KW
17.0 m/s - 3600 KW
16.0 m/s - 3600 KW
15.0 m/s - 3600 KW
14.0 m/s - 3600 KW
13.0 m/s - 3591 KW
12.0 m/s - 3488 KW
11.0 m/s - 3082 KW
10.0 m/s - 2432 KW
9.0 m/s - 1778 KW
8.0 m/s - 1243 KW
7.0 m/s - 824 KW
6.0 m/s - 507 KW
5.0 m/s - 276 KW
4.0 m/s - 131 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: 107 m
Rotor Area: 8992 m2
Rotor Speed (min): 5 rpm
Rotor Speed (rated): 13 rpm
Rotor Weight (incl. hub): 92.5 t
Hub Height (above MSL): 80 m
Blade Tip Speed (rated): 72.83 m/s
Blade Tip Height (above MSL): 134 m
Blade Length: 52 m
Blade Root Chord (root diameter): 4.2 m
Blade Tip Chord: 1.0 m
Power Regulation: Pitch regulated with variable speed (hydraulic)
Blade Model - Name: B52
Nacelle:  
Drive Train Type: High speed
Main Bearing: Spherical roller bearing
Gearbox Ratio: 1:119
Gearbox Stages: 3 planetary stages, 1 helical stage
Gearbox Lubrication: Forced lubrication
Generator Type: Asynchronous
Generator Rated Power: 3600 kW
Generator Number of Poles: 4 poles
Power Converter: Full scale
Power Converter Location: Nacelle
Power Frequency: 50 Hz
Turbine Voltage Level: 690 V
Transformer Voltage Level: 33 kV
Transformer Location: Tower
Yaw Gears - Number: 6
Nacelle Weight: 142 t
Top Head Mass: 234.5 t
Tower:  
Structure Type: Tubular
Structure Material: Steel
Substructure:  
Structure Type: Monopiles
Number of Support Structures: 25
Support Structure Material: Steel
Transition Piece Structure Description: Diameter: 5 m. Weight incl. secondary steel: 220 t
Support Structure Description: Diameter: 4.7 m. Length: 40 m. Weight: 193-235 t. Top level: +23 m above sea level (LAT)
Foundation Type: Piled
Foundation Structure Description: The monopiles are driven into the seabed
Substructure Main Contractor: MT Højgaard
Substructure Manufacturer: Sif Group - Monopiles and transition pieces
Smulders - Monopiles and transition pieces
Substructure Designer: Rambøll

Resources

Website: Rhyl Flats Offshore Wind Farm
 
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