Gunfleet Sands I + II
172.8 MW Fully Commissioned United Kingdom

"A very useful tool to get good reliable information regularly without requiring someone in our organisation to spend a lot of time gathering data."

Neil Clarkson, Windcat Workboats

More Windfarms
Filter :
map not available
Developers/Owners/Operators
RoleOrganisation 
Developer correct
Developer correct
Operator correct
Operator-Offshore Transmission correct
Owner correct
Owner correct
Owner correct
Owner-Offshore Transmission
TC Gunfleets Sands OFTO Limited (Transmission Capital Limited)
correct
Project Details for Gunfleet Sands I + II
General Information Name Gunfleet Sands I + II correct
Other names GFS correct
Country name United Kingdom correct
Region England, East of England correct
Comments correct
Round (or category) Round 1 correct
Development status Fully Commissioned correct
Comments on the status correct
Power & Turbines Notice any Errors? You can keep this an open resource by submitting corrections!
Project Capacity 172.8 MW correct
Turbine Model SWT-3.6-107 (Siemens) correct
Turbine Capacity 3.6 MW correct
Number of Turbines 48 correct
Total Turbine Height 128.5 m correct
Hub Height 75.00 m correct
Rotor Diameter 107 m correct
Foundation Grounded: Monopile correct
Windspeed 10 Year Mean Wind Speed (2000-2009) Available online now
Detailed wind speed data 6 hr/day/month historic data
Costs Stated Project Cost DKK(mill) 3900.00 correct
Location & Environment Sea name North Sea, Southern North Sea (Thames) correct
Centre latitude 51.730° correct
Centre longitude 1.229° correct
Area 16 km2 correct
Depth range (Chart Datum) 0 m - 13 m correct
Depth range stated by developer 2 m - 15 m correct
Distance From Shore (reported) 7 km correct
Distance From Shore (computed from centre) 7.4 km correct
Ports Installation base Harwich correct
Ops and maintenance Brightlingsea correct
Grid Converter platforms None correct
Offshore transformers Gunfleet Sands I + II Substation correct
Grid connection point Cooks Green correct
Cable landing point Holland Haven correct
Export Cables
Please note that export cables connect the offshore transformer (substation) to either; shore or an offshore HVAC-HVDC converter station for onward transmission via HVDC cabling. Please see the converters page for planned converter stations and transmission cables.

The export cable length does not generally include the onshore component. The exception is when the onshore substation is close to shore.
Number of Export Cables 1 correct
Average length per cable 9.3 km correct
Transmission type (e.g. HVAC) HVAC correct
Nominal voltage 132 kV correct
Maximum voltage 145 kV correct
Power rating 182 MVA correct
Number of cores 3 correct
Conductor type Cu correct
Section Area 800 mm2 correct
Insulation XLPE correct
Number fibre optics 48 correct
Export minimum bend radius (MBR) 3 m correct
Burial depth 2 m correct
Comments correct
Onshore Cables Number of onshore cables 3 correct
Average length per cable 3.8 km correct
Comments 132kV, 182MVA, buried to a depth of 1.2m. The cables have been pulled through the ducted section in approximately 400m lengths, in one trench. correct
Array Cables Array cable length 36 km correct
Estimated cable length LogIn
Transmission type (e.g. MVAC) MVAC correct
Nominal voltage 33 kV correct
Maximum voltage correct
Burial depth correct
Number of cores 3 correct
Conductor type Cu correct
Section 500/150 mm2 correct
Insulation EPR correct
Power rating correct
Number of fibre optics 24 correct
Minimum bend radius (MBR) correct
Comments correct
Benefits Homes powered annually 96621 correct
CO2 reduced per year 195271 tonnes correct
SO2 reduced per year 4541 tonnes correct
Expected life 25.0 years correct
Other Website Visit correct
successes