Fully modular design for industrialization

Les Éoliennes Flottantes du Golfe de Lion (EFGL) project features three 10 MW offshore wind turbines on three WindFloat® units, 16 kilometers from the coast of Leucate and Le Barcares in the French Mediterranean.

EFGL will see the deployment of the 3rd generation of WindFloat® technology, which builds on lessons learned from previous projects and includes important innovations in modularization and manufacturability to further increase deliverability and competitiveness.  

The project will provide electricity for more than 50,000 homes annually from 2024. 

First power

2024 (estimate)

Project capacity

30 MW

Wind turbine

Vestas V164

Wind turbine capacity

10 MW

Operational design life

20 years

Distance to shore

16 km

Water depth

70-100 m

Project sponsors

Ocean Winds, Banque des Territoires


ADEME, European Investment Bank


Bureau Veritas

Creating a new regional economic and technological hub

The EFGL project is enabling the development of an offshore wind industrial cluster with Port La Nouvelle, in southern France, as its focal point. 

Port-La Nouvelle will become a logistical and industrial base for anchoring systems and cables, logistics concerning all the components of the turbines (nacelles, blades, mast sections), turbine installation on the WindFloat® units, and commissioning and testing of the complete units at quayside before tow-out and hook-up at the final site. Nearly 400 direct and indirect, high-paying and long-standing jobs will be created. 

Additionally, EFGL is spearheading the energy transition and economic reconversion from oil & gas: Eiffage Metal, the company that will be building the WindFloat® units in Fos-sur-Mer, has converted a site previously intended for oil & gas infrastructure manufacturing for this purpose, adding up to 100 jobs in the process.

Responsible siting and environmental conservation

The project is installed in the Natural Park of the Gulf of Lion and is the first floating wind project to be located a marine reserve. As a result, the project has been developed in close coordination with national and local agencies as well as non-governmental stakeholders to ensure responsible siting, positive socio-economic impacts, and minimal environmental footprint. 

Environmental conservation is at the heart of this project and has been a central consideration in in the design of the project.

Photo © Remy Dubas/Ecocean

Photo © Remy Dubas/Ecocean

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Creating an artificial reef

Principle Power is collaborating with EFGL to install Ecocean's Biohut®, an artificial fish habitat, on one of the three WindFloat units to foster biodiversity of the species in and around the project.

In preparation for the installation of the WindFloat® units, a Biodiversity Observation Buoy (BOB), consisting of 16 Biohut® units, was deployed in June 2019 by Ecocean (Montpellier) and CREM (Center for Research on Marine Ecosystems - University of Perpignan). Researchers observed a real increase in the biodiversity of species in and around BOB and, importantly, no invasive species were observed on the structure.

The potential offered by such multi-use opportunities demonstrates the potential for floating wind farms using the WindFloat® technology to positively impact the environment by creating protected habitats that can help the ocean to recover its biodiversity.

This project is very important for us because the WindFloat® technology used will be a little different than what we did previously. We have optimized the structure thanks to the experience we have acquired.

- Eric Paya, Project Manager at Principle Power