It comprises three wind turbines with a unit power of 9.5 MW and three floating systems. Its objective is to generate approximately 100 GWh/year, the equivalent annual electricity consumption of 47,000 inhabitants, i.e. nearly 80% of the city of Lorient in France.

In this context, Naval Energies will ensure the design and construction of the floaters for the three wind turbines as well as their anchoring system, followed by the installation of the overall system at sea.

At this stage, Naval Energies has finalised the preliminary design phase, and is working on the construction contract (Engineering/Production/Construction/Installation: EPCI). The Groix and Belle-Île pilot farm project is 80% representative of the conditions in which the future commercial floating wind turbine farms will be installed in France and around the world. In this respect, the project represents a major experiment that positions Naval Energies as a reference for the design and construction of floaters suited to Atlantic conditions. Moreover, the project serves to optimise the infrastructures and technologies and to validate the business model ahead of the industrialisation phase and larger-scale deployments.

This project brings together Naval Energies, supplier of the floater, and MHI Vestas Offshore Wind (MVOW), supplier of the turbine supplier, as partners. In a positive French and international context for floating wind turbines, MVOW and Naval Energies consider that their collaboration under way on the Groix and Belle-Île project is an important asset on which both players wish to build.  Accordingly, in early 2020, MVOW and Naval Energies signed a memorandum of understanding whereby both companies undertake to develop their cooperation on the floating wind turbine market, in France and elsewhere, to better prepare for the future.