Kentish Flats
90 MW Fully Commissioned United Kingdom

"4C provides regular updates of in-depth data relative to our needs."

Reef Subsea

map not available
Developers/Owners/Operators
RoleOrganisation 
Developer
GREP UK Marine Ltd (NEG Micon)
correct
Operator
correct
Owner correct
Project Details for Kentish Flats
General Information Name Kentish Flats correct
Other names correct
Country name United Kingdom correct
Region England, South East correct
Comments correct
Round (or category) Round 1 correct
Development status Fully Commissioned correct
Comments on the status Generating since July 2005 correct
Power & Turbines Notice any Errors? You can keep this an open resource by submitting corrections!
Project Capacity 90 MW correct
Turbine Model V90-3.0 MW Offshore (Vestas) correct
Turbine Capacity 3 MW correct
Number of Turbines 30 correct
Total Turbine Height 115 m correct
Hub Height 70.00 m correct
Rotor Diameter 90 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 GBP(mill) 105.00 correct
Location & Environment Sea name North Sea, Southern North Sea (Thames) correct
Centre latitude 51.460° correct
Centre longitude 1.093° correct
Area 10 km2 correct
Depth range (Chart Datum) 3 m - 4 m correct
Depth range stated by developer 5 m - 5 m correct
Distance From Shore (reported) 8.5 km correct
Distance From Shore (computed from centre) 9.8 km correct
Ports Installation base Felixstowe correct
Ops and maintenance Whitstable correct
Grid Converter platforms None correct
Offshore transformers None correct
Grid connection point Herne Bay correct
Cable landing point Herne Bay 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 3 correct
Average length per cable 9.4 km correct
Transmission type (e.g. HVAC) MVAC correct
Nominal voltage 33 kV correct
Maximum voltage correct
Power rating correct
Number of cores 3 correct
Conductor type Cu correct
Section Area 500 mm2 correct
Insulation PEX correct
Number fibre optics correct
Export minimum bend radius (MBR) correct
Burial depth 1.5 m correct
Comments SWA (Steel Wire Armoured) correct
Onshore Cables Number of onshore cables correct
Average length per cable correct
Comments correct
Array Cables Array cable length 20.8 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 185 mm2 correct
Insulation PEX correct
Power rating correct
Number of fibre optics correct
Minimum bend radius (MBR) correct
Comments Inter Array 33kV 185mm² SWA – total length 20.8km. They were water jetted into the seabed. correct
Benefits Homes powered annually 58711 correct
CO2 reduced per year 118654 tonnes correct
SO2 reduced per year 2759 tonnes correct
Expected life 20.0 years correct
Other Website Visit correct