General Information Converter/Collector Name BorWin1 Converter correct
Status Operational correct
Latitude 54.354 ° correct
Longitude 6.025 ° correct
Comments The project name BorWin1, is derived from the 'Borkum Wind Park Cluster'. This is the first project which was carried out in DC technology and is the network connection for the BARD offshore 1. The connection from BARD platform to BorWin Alpha is 156kV 3 phase.

The electricity produced by the wind turbine generators is converted to DC power and transported under the sea by HVDC tranmission and overland to the onshore converter station. To date this route is the world’s longest link constructed for connection of an offshore wind park to the land-side grid.
Foundation Foundation Type Grounded: Jacket correct
Foundation Weight 1500 t correct
Foundation Comments Jacket Height 62m. Jacket weight 1500t correct
Topside Topside Weight 3200 t correct
Topside Dimensions (LxWxH) 50x33.5x22 m correct
Helideck Yes correct
Electrical Specifications Power 400 MW correct
DC Voltage Level 150 kV correct
AC Voltage Level 156 kV correct
Number of Transformers correct
Other Equipment The sea level to topside is 20m. correct
Transmission Cable Cable Name BorWin (1) Alpha to UW Diele correct
Number of Transmission Cables 2 correct
Minimum Cable Length 125 km correct
Depth Buried correct
Nominal Voltage 150 kV correct
Conductor Type Cu correct
Section 1200 mm2 correct
Insulation correct
Cost of the Transmission Cable correct
Cost Description correct
Comments on the Transmission Cable The cable has a section of 1200mm2 (121km) and 1600mm2 (4km). 125km of offshore cable come ashore on the island of Norderney, before crossing the island and Wadden Sea in subterranean bores. A further 75km continue onshore from Hilgenriedersiel to the onshore converter station at Diele near Papenburg. correct

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