Middelgrunden
40 MW Fully Commissioned Denmark
Updated weekly to include the latest news, your feedback and other data.
38 Countries, 1325 Windfarms, 9264 Stakeholders, 4395 Events, 844 Vessels, 160 Turbines NEW, 42 Ports,
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Featured Ports
Featured Port
Aalborg Port, Denmark Image of <%# Eval("PortName") %> Maximum Trenched Depth: 9.3 m
Entrance Width: 110 m
Spring Tidal Range: 0.3 m
Quay Length: 200 m
Quay Loading Capability: 42 tonnes/m2
Land for Development: 300 ha
More details...



Who is generating power
Who's Generating Power?
1.  United Kingdom - 3321.2000 MW
2.  Denmark - 871.4800 MW
3.  China - 559.5000 MW
More...
Whose Turbines are Generating?
Whose Turbines are Generating?
1.  Siemens Wind Power A/S (Siemens AG) - 3084.8000 MW
2.  Vestas Offshore A/S (Vestas Wind Systems A/S) - 1401.1200 MW
3.  REpower Systems AG (Suzlon Energy Limited) - 434.5000 MW
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Statistics for Middelgrunden
General Information Name Middelgrunden correct
Other names Kobenhavn correct
Country name Denmark correct
Region København correct
Comments Largest offshore wind farm based on a cooperative ownership. 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
Detailed wind speed data 6 hr/day/month historic data
Costs Stated Project Cost EUR(mill) 44.89 correct
Location & Environment Sea name Kattegat correct
Centre latitude 55.691° correct
Centre longitude 12.669° 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) 4.7 km correct
Ports Installation base Copenhagen Port correct
Ops and maintenance Copenhagen Port correct
Grid Converter 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 correct
Insulation XLPE correct
Number fibre optics correct
Minimum bend radius (MBR) correct
Burial depth correct
Comments correct
Onshore Cables (new) Number of onshore cables correct
Average length per cable correct
Comments 30kV correct
Array Cables Array cable length 5 km correct
Estimated cable length In purchased database
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 22366 correct
CO2 reduced per year 45202 tonnes correct
SO2 reduced per year 1051 tonnes correct
Expected life correct
Other Website Visit correct

Events on Middelgrunden
12
DateTypeDescriptionSourceCorrect
31-Dec-2004
Event Type: Operation - Service and Maintenance Operation - Service and Maintenance
It was reported that a transformer had failed and was subsequently replaced. Other correct
Dec-2002
Event Type: Operation - Service and Maintenance Operation - Service and Maintenance
Problems with switch gear and transformers were reported. The number 9 transformer short-ciruited. Visit correct
2002
Event Type: Operation - Service and Maintenance Operation - Service and Maintenance
There were problems following three accidents involving the subsea cables. Visit correct
Mar-2001
Event Type: Operation - Fully Commissioned Operation - Fully Commissioned
Fully commissioned in March 2001. Visit correct
Dec-2000
Event Type: Operation - Generating Power Operation - Generating Power
Started to generate power in 2000. Visit correct
Dec-2000
Event Type: Installation - Turbine Installation Installation - Turbine Installation
Turbine installation finished. Visit correct
Nov-2000
Event Type: Installation - Cable installation Installation - Cable installation
Array cables were installed during November 2000. Visit correct
Nov-2000
Event Type: Installation - Turbine Installation Installation - Turbine Installation
Turbine installation started. Visit correct
Oct-2000
Event Type: Installation - Foundation Installation Installation - Foundation Installation
Foundation installation finished. Visit correct
Sep-2000
Event Type: Installation - Foundation Installation Installation - Foundation Installation
Foundation installation started. Visit correct
12

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