Dudgeon

The offshore facility has been designed, engineered, procured and constructed in Sembmarine SLP’s Lowestoft yard and includes suction bucket technology, a first for an offshore substation in UK waters. Part of Statoil’s £1.5 billion Dudgeon Offshore Wind Farm project to power more than 410,000 UK homes, the structures have been designed to meet exacting specifications.

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    2013

    Dudgeon

    The offshore facility has been designed, engineered, procured and constructed in Sembmarine SLP’s Lowestoft yard and includes suction bucket technology, a first for an offshore substation in UK waters. Part of Statoil’s £1.5 billion Dudgeon Offshore Wind Farm project to power more than 410,000 UK homes, the structures have been designed to meet exacting specifications.


    ScopeClientPlatform or vesselProject duration
    Jacket and Topside structures Siemens Transmission and Distribution Ltd  Dudgeon February 2015 – August 2016
    Weight rangeWater depthLocationLevels
    3,000 – 3,500 tonnes  18 – 25m Southern North Sea 3

    More details

    The Dudgeon Offshore Wind Farm is located approximately 20 miles off the North Norfolk coastline and has a maximum installed capacity of 402MW providing sufficient power to meet the annual demands of 410,000 UK homes.  The field comprises 67 turbines which are connected by 12 inter array cables to the main offshore facility which sits centrally in the field.

     

    The offshore substation Jacket will be approx. 30m x 30m at the sea bed.  It spans a height of 48m from the cable deck to the bottom of the suction buckets.  Each bucket is 9m in diameter and 9m in height.  The Jacket will weigh approx. 1,300 tonnes once installed.

     

    The Topside is approx. 40m x 25m in size and spans a height of 13m from the cable deck to the roof deck and will weigh approx. 1,700 tonnes once installed.  The topside houses all necessary transformer, control, SCADA and fire protection systems for the operation of the field.