Press release

Resumption of construction work on the Saint-Brieuc offshore wind farm

Lézardrieux / Saint-Brieuc / Paris – March 7, 2022 –

Ailes Marines announces today the resumption of construction work on the wind farm in the bay of Saint-Brieuc. Aeolus ship Van Oord company in charge of installing the piles and foundations of the wind turbines will work in the area without interruption in 2022 and 2023. The park will be delivered at the end of 2023.

Navigation in the work area is regulated by prefectural decrees in order to ensure the safety of sailors and sea users. Initially, continuing in 2021, the work will be located on the north-west part of the park ( https://www.premar-atlantique.gouv.fr/uploads/atlantique/arretes/7153a83c41233fcd5cd8af5fbee167da.pdf ).

Ailes Marines has made available information tools relating to the work, which can be consulted in the Côtes-d'Armor harbor offices and on the Ailes Marines ( www.ailes-marines.bzh ).

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Three phases of work between 2022 and the end of 2023

From March 2022 until 2023, the Van Oord company will continue the installation of anchor piles for “jacket” type foundations (3 piles per foundation).

In 2022, the Van Oord company will also install the first foundations, the production of components of which by the Navantia-Windar company continues on the Brest polder. Twenty-four foundations are already assembled and stored at the company's site in Fene, Spain, and twenty-one foundations are currently being assembled. The first foundations will arrive in the park area at the beginning of the second half of 2022.

During the spring, Saipem will transport and install the electrical substation on site.

At the same time, the Prysmian company will begin the installation and burying of 90 km of three-pole submarine inter-wind cables.

All of these phases of work will mobilize more than twenty vessels on site at peak activity.

Environmental control and monitoring measures

In 2022, during the work phase at sea, Ailes Marines will continue environmental monitoring measures in accordance with regulatory requirements including monitoring of noise, turbidity, birds and marine mammals, bats, fishery resources, the quality of water and sediments.

New monitoring will emerge on the birds of the bay. Indeed, Gannets and Alcidae will be equipped with tags to follow their movements in the Bay of Saint-Brieuc. This monitoring, undertaken gradually over recent years, is carried out by independent environmental scientific research offices.

All information concerning the Saint-Brieuc offshore wind farm project developed by the company Ailes Marines is available on the website www.ailes-marines.bzh

Ailes Marines news on twitter @AilesMarines

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About Ailes Marines

Winner of a national call for projects with the Saint-Brieuc Bay offshore wind farm project, AILES MARINES is in charge of the development, construction, installation and operation of the offshore wind farm. It is a simplified joint stock company (SAS), 100% owned by IBERDROLA. The key figures of the Saint-Brieuc Bay offshore wind project:

  • 75 km2 of area
  • 62 Siemens Gamesa SG 8.0-167 DD 8 MW wind turbines
  • 496 MW of installed power
  • 1,820 GWh/year of production, i.e. the annual electricity consumption of 835,000 inhabitants (heating included)

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