Sheringham Shoal

316.8 MW Fully Commissioned United Kingdom

"The database has become an invaluable tool with regard to business planning and the regular updates from the 4C Offshore team on the project specifics ensure that, as a tier 1 supplier, we remain well informed and able to react to market developments."

Darren Taylor, NKT Cables

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Latest Update: 15 June 2015
Blue Transmission submitted a Notification of Contingent Event in the financial year ending 31 March 2015. This notification identified that Blue Transmission are currently installing two harmonic filters under their own expense. Read More
Developer correct
Operator correct
Operator correct
Operator-Offshore Transmission correct
Owner correct
Owner correct
Owner correct
Owner-Offshore Transmission correct
Project Details for Sheringham Shoal
General Information Name Sheringham Shoal correct
Other names correct
Country name United Kingdom correct
Region England, East of England correct
Comments correct
Round (or category) Round 2 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 316.8 MW correct
Turbine Model SWT-3.6-107 (Siemens) correct
Turbine Capacity 3.6 MW correct
Number of Turbines 88 correct
Total Turbine Height 135.2 m correct
Hub Height 81.75 m correct
Rotor Diameter 107 m correct
Foundation Grounded: Monopile correct
Windspeed 10 Year Mean Wind Speed (2000-2009) Available online now
Costs Stated Project Cost NOK(mill) 10000.00 correct
Location & Environment Sea name North Sea, Southern North Sea (Humber) correct
Centre latitude 53.135° correct
Centre longitude 1.147° correct
Area 35 km2 correct
Depth range (Chart Datum) 14 m - 23 m correct
Depth range stated by developer 15 m - 22 m correct
Distance From Shore (reported) 23 km correct
Distance From Shore (computed from centre) 21.4 km correct
Ports Installation base Great Yarmouth correct
Ops and maintenance Wells-next-the-sea correct
Grid Converter/Collector platforms None correct
Offshore transformers Sheringham Shoal 1 Substation, Sheringham Shoal 2 Substation correct
Grid connection point Salle correct
Cable landing point Weybourne 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 2 correct
Average length per cable 22 km correct
Transmission type (e.g. HVAC) HVAC correct
Nominal voltage 132 kV correct
Maximum voltage 145 kV correct
Power rating 176 MVA correct
Number of cores 3 correct
Conductor type Cu correct
Section Area 630 (2x21km)/1000 (2x0.2km) mm2 correct
Insulation XLPE correct
Number fibre optics correct
Export minimum bend radius (MBR) correct
Burial depth 1 m correct
Comments The length of the cables is 21km and 23km

Land cable is 21.2km
Onshore Cables Number of onshore cables 6 correct
Average length per cable 21.3 km correct
Comments 145kV, trenches being around 2.2m wide and 1.6m deep correct
Array Cables Array cable length 81 km correct
Estimated cable length LogIn
Transmission type (e.g. MVAC) MVAC correct
Nominal voltage 33 kV correct
Maximum voltage 36 kV correct
Burial depth 1 m correct
Number of cores 3 correct
Conductor type Cu correct
Section 400 (26 km)/185 (56km) mm2 correct
Insulation XLPE correct
Power rating correct
Number of fibre optics correct
Minimum bend radius (MBR) correct
Comments There will be two different types of infield cables connecting the turbines and the offshore substations. Type one (27kg/m) has a total length of 26 kilometres and will be used to connect the turbines closest to the substations, while type two (18kg/m) has a total length of 56 kilometres and will connect the turbines further out. correct
Benefits Homes powered annually 224375 correct
CO2 reduced per year 453462 tonnes correct
SO2 reduced per year 10546 tonnes correct
Expected life 25.0 years correct
Other Website Visit correct

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