Asso.subsea Completes Cable Installation for Floating OW Pilot Project

Asso.subsea, a leading force in submarine cable installation, has partnered once again with Prysmian Powerlink and successfully completed the cable installation, burial, and protection operations for the Provence Grand Large Floating Offshore Wind Project. This innovative project, situated in the Mediterranean Sea and developed by EDF Renewables and its partners, 17 km off the coast, on a 100 m deep site, is a floating wind pilot project, designed to showcase the economic viability of offshore floating wind farms. Asso.subsea was entrusted with all marine works, including engineering, cable loading of export and inter-array dynamic cables, route preparation, cable installation and configuration of lazy wave, burial, and protection, along with Horizontal Directional Drilling (HDD) operations for the landing point.

The Provence Grand Large Offshore Wind Project served as a showcase for Asso.subsea’s cutting-edge assets, featuring CLV Atalanti, TSV Argo and the AssoJet III Mk2 underscoring the company’s unwavering commitment to innovation in the offshore wind sector. By covering a cable distance of approximately 21,000 m, Asso.subsea successfully connected France’s inaugural floating offshore turbines to the Port-Saint-Louis-du-Rhône station, generating electricity equivalent to the consumption of 45,000 people.

Asso.subsea’s deployment of the CLV Atalanti, a specially designed vessel for shallow waters was pivotal to tackle the challenges of the 780 m landing point at the shallow waters of Port-Saint-Louis-du-Rhône. The vessel was specially converted in 2023 for this project to create the required cableway for the dynamic cable installation. TSV Argo, engineered for global operations and equipped to support various subsea trenching vehicles, exemplified the team’s expertise in navigating challenging environments. Notably, the project leveraged our state-of-the-art equipment, including AssoJet III Mk2—the latest addition to our portfolio of jetting ROVs with a 1.5 kW of total power, tailored for deep-water subsea burial operations, showcasing Asso.subsea’s commitment to delivering excellence in every facet of offshore wind operations.

Mr. Dimitris Panagos, Director of Offshore Wind at Asso.subsea, emphasized the significance of Provence Grand Large project, stating: “Asso.subsea takes immense pride in participating in France’s first floating wind farm developed by EDF Renewables and its partners. During the last three years, we have worked meticulously performing very detailed engineering analyses as a testament to our commitment to innovation and sustainability. By contributing to EU and national targets for renewable energy generation and greenhouse gas emission reduction, this accomplishment reaffirms our company’s steadfast commitment to facilitating the green transition.”