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Wind farm in Saint-Brieuc Bay: Ailes Marines picks up the pace

4C Offshore | Chloe Emanuel
By: Chloe Emanuel 27/03/2023 Ailes Marines

The ship
AEOLUS of the company Van Oord, is back on the area of the park since March 27, 2023, and it has resumed the drilling and sealing of the piles on the 22 positions of undrilled wind turbines. In the coming months, installation operations aim to resume on the 38 foundation jackets still to be installed. These two campaigns should take place over several months in accordance to weather conditions.

The first 8 MW wind turbines are expected to be installed on their foundations in the middle of the year, assembled line by line. The installation of the 62 wind turbines (masts, nacelles, blades) will be carried out by Siemens Gamesa from the
Brave Tern jack up platform of the Norwegian company Fred Olsen Windcarrier.

The mast sections of the 62 wind turbines previously equipped by Haizea Breizh in Brest will be transported to the port of Le Havre to be assembled in 3 dimensions. For each rotation from Le Havre to the Saint-Brieuc wind farm site, the Brave Tern will ship 4 masts, 4 nacelles and 12 blades. It will install them on the jackets foundations of the wind turbines. Depending on weather conditions, they will be phased in during second half of the year.

These operations are piloted from the Ailes Marines maritime coordination centre located in Kerantour and in the port of LĂ©zardrieux (22). They will mobilize up to thirty vessels for several months.

The inter-turbine cable burial campaign began in January. Prysmian, the company in charge of supplying and sinking the cables, is continuing the work of laying the 90 km of inter-turbine cables. Currently, 3 vessels are mobilized for these operations: the
Aethra, which is making the trenches, the Ariadne for the installation and removal of the cable at the bottom of the trench and the Island Diligence for its burial. The trenching campaign aims to take place over several months, depending on the weather conditions.

For everything you need to know about the strategies used to support the construction and O&M of offshore wind farms, current and future, including supply and demand for service and accommodation vessels, and helicopters -  click here.

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