Gunfleet Sands I + II
172.8 MW Fully Commissioned United Kingdom

"The database provides a great opportunity for market research and awareness."

Leo Hambro, Tidal Transit Limited

Latest Windfarm News
Newly approved mussel farm would be the first on East Coast.
Mussel farmers could even collect the seed off the monopoles, which would benefit both the offshore wind energy company and the fisherman, he said. Eventually, there could be hundreds of acres of mussel farms in the Sound, Lindell said. Other ideas ...
22/10/2014 11:53:41

Can ASVs reduce windfarm support costs?
Maritime Journal
Portsmouth, UV-based autonomous surface vehicles specialist ASV Ltd, in association with Planet Ocean Ltd, have received funding from the GROW:OffshoreWind initiative to investigate how the use of ASVs could reduce the costs of offshore wind farm ...
22/10/2014 08:17:57

Lowestoft: New offshore wind project secures 300 jobs at Sembmarine SLP
East Anglian Daily Times
The new contract has been granted by Siemens, which was awarded the main contract for the electrical system infrastructure by wind farm developer Dudgeon Offshore Wind, a joint venture between Norwegian firms Statoil and Statkraft and Abu Dhabi-based ...
22/10/2014 05:06:20

Windfarm contract secures 300 jobs at Lowestoft firm SLP
Norfolk Eastern Daily Press
He said: “They are well placed to carry out this work having previously constructed the sub-station for the Thanet offshore windfarm. Work in the offshore wind sector makes full use of the skills and expertise that they have built up in the oil and gas sector over ...
22/10/2014 06:08:05

Sembcorp' subsidiaries win two new contracts
Energy Business Review
Jurong Shipyard has been selected to complete the repair and life extension, and conversion of very large crude carrier (VLCC) into floating production storage and offloading (FPSO) vessel for the Tullow Oil-operated TEN development project offshore ...
21/10/2014 07:06:22

Potential for Offshore Energy Studied at Scripps
Times of San Diego
A floating wind turbine planned for the Oregon coast. Courtesy Bureau of Ocean Energy Management. The continental shelf off of America's coasts represents a vast area for future development of energy resources, from oil and gas to renewable wind and ...
21/10/2014 23:08:36

Study in Irony: Researchers Say Oil Rigs Are Great for Fish
... want the platforms taken out no matter how many animals are killed,” said Love. “But others see the platforms as fully functional reefs. Why would we want to blow them up?” Claisse said the study's findings offer lessons for offshore wind farm developers.
21/10/2014 21:29:45

Have your say on Bicker Fen substation and its connection to Triton Knoll
Boston Standard
Residents affected by the Triton Knoll Offshore Wind Farm will be able to attend exhibits and ask questions with a series of events starting in Bicker today (Tuesday). RWE Innogy, the company behind the project, will be at Bicker Village Hall, on Cemetery ...
21/10/2014 13:16:03

Wind farm to power 35000 Scottish homes
The Planner
The proposed Afton wind farm, which will have a generating capacity of 74 Megawatts (MW) will be developed by E.ON. The announcement comes after four large offshore wind farms in the Forth and Tay region - together able to power 1.6 million of Scottish ...
21/10/2014 09:23:45

4C Offshore Ltd. has achieved certification to the ISO 9001, ISO 14001 and OHSAS 18001 standards for quality, environmental, and health & safety management.
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Developer correct
Developer correct
Operator correct
Operator correct
Operator-Offshore Transmission correct
Owner correct
Owner correct
Owner correct
Owner-Offshore Transmission
TC Gunfleets Sands OFTO Limited (Transmission Capital Limited)
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 Dong have submitted a contingency for emergency array cable repairs. The permission sought is for a period between 01/05/2014 and 01/07/2036 this will reduce the time waiting for permission to be granted. 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 112724 correct
CO2 reduced per year 227816 tonnes correct
SO2 reduced per year 5298 tonnes correct
Expected life 25.0 years correct
Other Website Visit correct