40 MW Fully Commissioned Denmark

"Impressive consolidation of offshore power cable installation activities in the North West European theatre in one publication."

Andy Readyhough, DeepOcean

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Latest Update: 22 February 2014
DONG Energy issued a tender to service and maintain Middelgrunden offshore wind farm. The agreement will provide maintenance to all ten 2MW turbines including activities such as scheduled and unscheduled service, provision of parts, SCADA control, day-to-day management, and hotline and technical follow-up. The scope is initially for two years with the option for three possible extensions of one year. Read More
Project Details for Middelgrunden
General Information Name Middelgrunden correct
Other names Kobenhavn correct
Country name Denmark correct
Region København correct
Comments correct
Round (or category) 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 40 MW correct
Turbine Model B76/2000 (Bonus) correct
Turbine Capacity 2 MW correct
Number of Turbines 20 correct
Total Turbine Height 102 m correct
Hub Height 64.00 m correct
Rotor Diameter 76 m correct
Foundation Grounded: Gravity-Base correct
Windspeed 10 Year Mean Wind Speed (2000-2009) Available online now
Costs Stated Project Cost EUR(mill) 44.89 correct
Location & Environment Sea name Kattegat correct
Centre latitude 55.689° correct
Centre longitude 12.668° correct
Area 0 km2 correct
Depth range (Chart Datum) 3 m - 6 m correct
Depth range stated by developer correct
Distance From Shore (reported) 4.7 km correct
Distance From Shore (computed from centre) 4.6 km correct
Ports Installation base Copenhagen Port correct
Ops and maintenance Copenhagen Port correct
Grid Converter/Collector platforms None correct
Offshore transformers None correct
Grid connection point Amager Power Station correct
Cable landing point Amager Strand 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 3.5 km correct
Transmission type (e.g. HVAC) MVAC correct
Nominal voltage 30 kV correct
Maximum voltage 36 kV correct
Power rating 20 MVA correct
Number of cores 3 correct
Conductor type Cu correct
Section Area correct
Insulation XLPE correct
Number fibre optics correct
Export minimum bend radius (MBR) correct
Burial depth correct
Comments correct
Onshore Cables Number of onshore cables correct
Average length per cable correct
Comments 30kV correct
Array Cables Array cable length 4.65 km correct
Estimated cable length LogIn
Transmission type (e.g. MVAC) MVAC correct
Nominal voltage 30 kV correct
Maximum voltage 36 kV correct
Burial depth correct
Number of cores 3 correct
Conductor type Cu correct
Section correct
Insulation XLPE correct
Power rating 20 MVA correct
Number of fibre optics correct
Minimum bend radius (MBR) correct
Comments correct
Benefits Homes powered annually 28330 correct
CO2 reduced per year 57255 tonnes correct
SO2 reduced per year 1332 tonnes correct
Expected life correct
Other Website Visit correct

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Please view this page at http://www.4coffshore.com/windfarms/windfarms.aspx?windfarmID=dk08.