CUXHAVEN, Germany: Cuxport’s No.4 berth is being utilised by the Van Oord-contracted Deutsche Bucht offshore wind project for the storage and transhipment of monopiles and transition pieces for a new offshore wind farm.
Some 31 pieces for the wind farm have already been supplied to berth no.4 from Spain by the Happy Star heavy lift vessel. The segments, which weigh more than 300 tonnes each, were lifted onto the quay by the ships own crane and are currently being stored there in their installation sequence.
The 31 monopiles, each weighing around 1,100 tonnes, were transported by barge from Rostock to Cuxhaven in sequence where they will be transhipped directly onto the vessel that has been jacked up in front of berth no.4 (pictured). The Jack-up vessel will then transport them to the offshore construction site.
Rhenus Offshore Logistics has taken on the operation as port agent for the project, as well as the Customs clearance and crew changes.
“By using the ship’s own cranes, it [was] possible to complete the project without any shore crane. The fact that this new berth is being used for this project so soon after its completion shows how essential it is,” said Roland Schneider, head of Business Development at Cuxport.
The Deutsche Bucht wind farm is the Canadian power producer Northland Power’s third North Sea offshore wind project. It has an allocated grid connection capacity of around 269 megawatts and is located about 95 kilometres northwest of the island of Borkum in the German Exclusive Economic Zone. It is 77 kilometres from Northland’s other German offshore wind project known as Nordsee One – also served by Cuxhaven.
Van Oord is responsible for the design, engineering, procurement, construction and installation of the foundations, inter array cables and offshore substation, and the transport of the wind turbines. MHI Vestas is handling the installation of the turbines. The offshore wind turbines will be connected to the BorWin beta offshore converter station, which is already operating.
The Deutsche Bucht wind farm will have a total of 33 wind turbines, 31 on monopiles and two on so-called Mono Bucket foundations. It is the first time this new type of foundation structure will be tested under commercial operating conditions. The 33 MHI Vestas offshore wind turbines can each generate up to 8.4 megawatts of power.