Westermost Rough
210 MW Under Construction United Kingdom

"The team at 4C Offshore offer an excellent service - The team are very approachable and deal with any queries quickly and efficiently"

Barry Stolp, Marketing Manager IHC Hydrohammer

map not available
Developers/Owners/Operators
RoleOrganisation 
Developer correct
Operator correct
Owner correct
Owner correct
Owner correct
Project Details for Westermost Rough
General Information Name Westermost Rough correct
Other names correct
Country name United Kingdom correct
Region England, Yorkshire & the Humber correct
Comments Stated cost includes cost of transmission assets.

The transmission tender round will be under the generator-build model and not the OFTO-build model. This means that the owner will build the transmission and another organisation will buy the transmission at a later date.

The Marine Management Organisation restricted monopile installation to between 7 am and 11 pm only.
correct
Round (or category) Round 2 correct
Development status Under Construction correct
Comments on the status correct
Power & Turbines Notice any Errors? You can keep this an open resource by submitting corrections!
Project Capacity 210 MW correct
Turbine Model SWT-6.0-154 (Siemens) correct
Turbine Capacity 6 MW correct
Number of Turbines 35 correct
Total Turbine Height correct
Hub Height correct
Rotor Diameter 154 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 EUR(mill) 1000.00 correct
Location & Environment Sea name North Sea, Southern North Sea (Humber) correct
Centre latitude 53.805° correct
Centre longitude 0.149° correct
Area 35 km2 correct
Depth range (Chart Datum) 12 m - 22 m correct
Depth range stated by developer 10 m - 25 m correct
Distance From Shore (reported) 8 km correct
Distance From Shore (computed from centre) 11.2 km correct
Ports Installation base Saint Nazaire (Substation), Esbjerg (Turbines), Aalborg(Foundations) correct
Ops and maintenance Grimsby correct
Grid Converter platforms None correct
Offshore transformers Westermost Rough Substation correct
Grid connection point Salt End correct
Cable landing point N. of Tunstall 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 11 km correct
Transmission type (e.g. HVAC) HVAC correct
Nominal voltage correct
Maximum voltage 132 kV correct
Power rating correct
Number of cores correct
Conductor type correct
Section Area correct
Insulation correct
Number fibre optics correct
Export minimum bend radius (MBR) correct
Burial depth correct
Comments correct
Onshore Cables Number of onshore cables 3 correct
Average length per cable 15 km correct
Comments 132kV correct
Array Cables Array cable length 53 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 correct
Conductor type correct
Section correct
Insulation correct
Power rating correct
Number of fibre optics correct
Minimum bend radius (MBR) correct
Comments correct
Benefits Homes powered annually 117421 correct
CO2 reduced per year 237308 tonnes correct
SO2 reduced per year 5519 tonnes correct
Expected life 25.0 years correct
Other Website Visit correct
negotiations