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Aeolus ready to return to Saint-Brieuc

By: Tom Russell 12/07/2021 Ailes Marines

General Vessels Windfarms

Ailes Marines has revealed that Van Oord's jack-up vessel Aeolus will soon be back at the Saint-Brieuc wind farm. The vessel was previously operational on site drilling and installing the foundation piles.

The vessel left the site on 14 June, following an incident during drilling which lead to the leak of hydraulic fluid into the sea. The incident resulted in the release of PANOLIN HLP SYNTH hydraulic fluid, for 48 hours after the incident. It is estimated that 170 litres leaked into the water. PANOLIN is classified in the category of “readily biodegradable fluids”, according to the criteria international standards 301B, with low environmental impact.

Since then, Van Oord has performed analysis and improvement of the tools to enable drilling works to continue optimally. Tests were carried out from 5th to 8th July in the Port of Rotterdam.

Ailes Marines stated that it is continuing its close collaboration with state services, to which the company has submitted a file detailing the analyses carried out and the measures adopted since the incident, in order to agree on the next date for the ship's return to the area.

The 496 MW Saint-Brieuc wind farm, 16 km off the French coast, will feature 62 Siemens Gamesa SG 8.0-167 DD turbines, standing at 207 metres high. It is being developed by Ailes Marines, subsidiary of Spanish energy giant Iberdrola. Covering an area of 75km2 the project will be the first large-scale offshore wind farm in Brittany and, when operational in 2023, it will be capable of generating 1,820 GWh/year of electricity, expected to meet the demands of 835,000 people.

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Aeolus ready to return to Saint-Brieuc

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