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Offshore Wind Statistics

Commissioned Sites by Developer/Owner

Operator Sites
DONG Energy 14
Vattenfall 7
E.ON 4

Comissioned Sites by turbine manufacturer

Turbine Manufacturer Sites
Siemens Wind Power 18
Vestas Wind Systems 16.83
Bonus Energy 4.83

Installed Capacity by Country

Country MW %
United Kingdom 3,309.2 59.2
Denmark 1,271.05 22.74
Netherlands 246.8 4.42

Installed Capacity by commissioned site

Site MW
London Array 1 630
Greater Gabbard 504
Anholt 399.6

Installed Capacity by Operator

Operator MW %
DONG Energy 2,192.85 39.23
Vattenfall 830.9 14.87
SSE Renewables 514 9.2

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
3,403.5
1,551.6
1,224
575
50.6
2.3
60.89
27.76
21.9
10.29
0.91
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
24.93
17.12
7.62
0.09
0.07
0.02
Bonus Energy
Bonus 2.3 MW/82
Bonus 2.0 MW/76
Bonus 450 kW/37
245.05
200.1
40
4.95
4.38
3.58
0.72
0.09
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Ormonde Offshore Wind Farm

General Information

Official Name: Ormonde
Development Status: Commissioned
Area of Wind Farm: 8.7 km2
Number of Rows/Turbines: 2 x 8 turbines, 2 x 7 turbines
Distance Between Rows/Turbines: 760 m / 560 m, 760 m / 560 m
Location: Barrow-in-Furness
Region: Cumbria
Country: United Kingdom
Sea Name: Irish Sea
GPS Latitude: 54.0763
GPS Longitude: -3.5117
Distance From Shore: 9.5-14 km
Water Depth: 17-21 m
Tidal Range: 9 m
Generel Note: Round 2 site

Timeline & Track Records

Project Start: 2002 (July) - License to develop granted
2005 (June) - Application submitted
2007 (February) - Project consented
Construction Start: 2009 (November) - Onshore work started
2010 (May) - Offshore construction started
First Power Generation: 2011 (August)
Commission Year: 2012 (February)
Developer: Ormonde Energy - owned by Vattenfall (100%)
Installer Turbines: A2SEA
Installer Substructure: Scaldis Salvage & Marine Contractors - Jacket foundations
GeoSea - Pre-pilling. Part of DEME Group
FoundOcean - Grouting
Installer Inter-Array Cables: Visser & Smit Marine Contracting (VSMC)
Installer Export Cables: Visser & Smit Marine Contracting (VSMC)
Installer Offshore Substation: Scaldis Salvage & Marine Contractors - Topside and jacket foundation
GeoSea - Pre-pilling. Part of DEME Group
Operator: Vattenfall
TSO: National Grid
Estimated Project Cost: 552 mio €

Wind & Waves

Wave Height - Max: 4.7 m

Production & Performance

Total Installed Capacity: 150 MW
Total Number of Turbines: 30
Annual Estimated Production: 500 GWh/year
Annual Production: 93.76 GWh in 2011417.4 GWh in 2011
Capacity Factor: 31.77 % in 2012

Substations, Inter-Array & Export Cables

Transmission Type: MVAC / HVAC / HVAC
Operating Voltage Level: 33 kV / 132 kV / 132 kV
Inter-Array Radials: 2 radials with 15 turbines
Inter-Array Cable Type: Prysmian 33 kV XLPE / Prysmian 33 kV XLPE / Prysmian 33 kV XLPE
Conductor Size: 3 x 150 mm2 (Cu) / 3 x 300 mm2 (Cu) / 3 x 500 mm2 (Cu)
Total Length: 27 km
Burial Depth: 2 m
Inter-Array Description: Number: 32 different cables and lengths are used. Diameter: 10.9 cm/12.3 cm/13.9 cm, MBR: 1.65 through 2.1 m
Transformers: 2 x 85 MVA
Electrical Components Supplier: AREVA T&D - Now Alstom Grid
Support Structure Type: Jacket
Foundation Type: Piled
Offshore Structure Manufacturer: Burntisland Fabrications (BiFab) - Topside and jacket foundation
Offshore Structure Designer: AREVA T&D - Topside. Now Alstom Grid
OWEC Tower - Jacket foundation
Export Cable Type: Prysmian 132 kV
Conductor Size: 3 x 630 mm2 (Cu)
Total Length: 41.7 km
Total Weight: 3500 kg
Burial Depth: 2 m
Export Cable Description: Capacity rating: 158 MVA
Power Frequency: 50 Hz
Export Cable Landfall: North of Heysham Port, Half Moon Bay, Cumbria (United Kingdom)
Onshore Substation Location: Heysham, Cumbria (United Kingdom)
Onshore Substation Description: 3 x 2.8 km single core 132 kV onshore cable extends the subsea export cable and connects Ormonde wind farm to the Heysham onshore substation

Turbine, Tower & Substructure

Turbine:  
Turbine Manufacturer: REpower Systems
Turbine Model: REpower 5M
Number of Turbines: 30
Rated Power pr. Turbine: 5 MW
Estimated Watt pr. Rotor m2: 401 watt
Wind Class: IEC IB
Design Life: 20 years
Operational:  
Cut-in Wind Speed: 3.5 m/s
Rated Wind Speed: 14 m/s
Cut-out Wind Speed: 30 m/s
Rotor & Hub:  
Rotor Type: 3-bladed, horisontal axis
Rotor Position: Upwind
Rotor Diameter: 126 m
Rotor Area: 12469 m2
Rotor Speed (min): 6.9 rpm
Rotor Speed (rated): 12.1 rpm
Rotor Speed (max): 13.9 rpm
Rotor Weight (incl. hub): 125 t
Hub Height (above MSL): 90 m
Blade Tip Speed (rated): 79.83 m/s
Blade Tip Speed (max): 91.70 m/s
Blade Tip Height (above MSL): 153 m
Power Regulation: Pitch (electric)
Nacelle:  
Drive Train Type: High speed
Gearbox Ratio: 1:97
Gearbox Stages: 2 planetary stages, 1 helical stage
Generator Type: DFIG
Generator Rated Power: 5000 kW
Generator Number of Poles: 6 poles
Generator Rated Speed: 1170 rpm
Power Converter: Full scale
Power Converter Location: Nacelle
Power Frequency: 50 Hz
Turbine Voltage Level: 950/660 V
Transformer Voltage Level: 33 kV
Transformer Location: Nacelle
Dimensions of Nacelle:  
Length: 18 m
Width: 6 m
Height: 6 m
Nacelle Weight: 315 t
Top Head Mass: 440 t
Tower:  
Structure Type: Tubular
Structure Material: Steel
Weight: 221 t
Substructure:  
Structure Type: Jackets
Number of Support Structures: 30
Support Structure Material: Steel
Support Structure Description: Weight: 500 t
Foundation Type: Piled
Foundation Structure Description: Pilling template (PT2020): 250 t. Dimension: 20x20 m
Substructure Manufacturer: Burntisland Fabrications (BiFab) - Jackets
Erndtebrücker Eisenwerk (EEW) - Piles and prefabricated steel pipes
MTL Group - Boat landings
Substructure Designer: OWEC Tower - OWEC Quattropod® design

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