Yttre Stengrund
10 MW Fully Commissioned Sweden

"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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Developers/Owners/Operators
Project Details for Yttre Stengrund
General Information Name Yttre Stengrund correct
Other names correct
Country name Sweden correct
Region Karlskrona Kommun correct
Comments correct
Round (or category) correct
Development status Fully Commissioned correct
Comments on the status Intend to repower the project using 5 new turbines but keeping the original foundations. correct
Power & Turbines Notice any Errors? You can keep this an open resource by submitting corrections!
Project Capacity 10 MW correct
Turbine Model NM 72/2000 (NEG Micon ) correct
Turbine Capacity 2 MW correct
Number of Turbines 5 correct
Total Turbine Height 96 m correct
Hub Height 60.00 m correct
Rotor Diameter 72 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) 13.00 correct
Location & Environment Sea name Baltic Sea correct
Centre latitude 56.167° correct
Centre longitude 16.021° correct
Area 0 km2 correct
Depth range (Chart Datum) 6 m - 8 m correct
Depth range stated by developer correct
Distance From Shore (reported) 2 km correct
Distance From Shore (computed from centre) 3.7 km correct
Ports Installation base Bergkvara correct
Ops and maintenance Bergkvara correct
Grid Converter platforms None correct
Offshore transformers None correct
Grid connection point correct
Cable landing point Hagbo 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 6 km correct
Transmission type (e.g. HVAC) MVAC correct
Nominal voltage 20 kV correct
Maximum voltage 24 kV correct
Power rating correct
Number of cores correct
Conductor type Al correct
Section Area correct
Insulation correct
Number fibre optics correct
Export minimum bend radius (MBR) correct
Burial depth correct
Comments 24 kV with aluminium conductors and optical fibre. An additional 16km of the cable extends onto the land. correct
Onshore Cables Number of onshore cables correct
Average length per cable 16 km correct
Comments correct
Array Cables Array cable length 2 km correct
Estimated cable length LogIn
Transmission type (e.g. MVAC) MVAC correct
Nominal voltage 20 kV correct
Maximum voltage 24 kV correct
Burial depth correct
Number of cores correct
Conductor type Al correct
Section correct
Insulation correct
Power rating correct
Number of fibre optics correct
Minimum bend radius (MBR) correct
Comments correct
Benefits Homes powered annually 5591 correct
CO2 reduced per year 11300 tonnes correct
SO2 reduced per year 263 tonnes correct
Expected life correct
Other Website Visit correct
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