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Renewable Energy

Onshore and Offshore Wind Power Services

Our Group offers a range of industrial services in the field of Renewable Energy: onshore wind services dedicated to large wind turbine market and offshore wind cable laying/burial and offshore wind turbine maintenance.

Onshore Wind Services


PLENR and OPENR have been integrated to the Louis Dreyfus Armateurs Group in 2019. Both companies allow us to increase the range of industrial services in onshore and offshore wind.

Key expertise in:
  • Assessments/Consulting/Analysis/Technical operations (PLENR);
  • Inspections/Technical Support/Site management/Maintenance (see also OPENR)

Paysage Eolienne turbine OPENR

Offshore Wind Services

Our reputation, our global maritime know-how and our commitment for innovative projects lead us to be a major player in marine renewable energy. Our Group is also committed to participate actively in the construction of the French and global offshore wind industry.

Louis Dreyfus Travocean

LOUIS DREYFUS TRAVOCEAN is our subsidiary that specializes in submarine cable installations dedicated to offshore wind farms in France and mainly in Northern Europe for more than 15 years. French know-how in the design and construction of its own underwater rovjets and specific equipment (ROV, trenchers, plows etc.)

Key expertise in:

  • Turnkey Installation Contracts – EPCI
  • ROV and Trenching Services
  • Burial System Development


Logo Louis Dreyfus Armateurs

LOUIS DREYFUS ARMATEURS has been offering support and assistance to marine renewable energy actors/operators worldwide.

Key expertise in:

  • O&M Fleet services (Catering, Floatel, Warehouse, Cargo Transfer, Technician Transfer, Gymnasium)
  • Inspections & Survey (Statutory Inspections, Structure Inspections, Foundation & Cables, Underwater Survey, WTG Inspections, Asset integrity SMSQ)
  • Maintenance (Turbine, Substation, Inter-Array and Export Cables, Foundations, Condition Monitoring, Spare parts)
  • Innovation & Training (Hydrogen and support to H2 production and H2 propulsion, Monitoring Devices, Consultancy & Training)
Wind of Change ©Vandenhove Augustin Borkum
Wind of Change Borkum ©Augustin Vandenhove


Our Strength

The experience and reliability of ships and crews, recognized industrial know-how and adaptability and historical partnerships with major international groups.

Our References

2023 – Delivery of the third Crew Tranfert Vessel.

2022 – Delivery of the first and second Crew Transfer Vessel designed and built in France. These CTVs are intended for the transfer of technicians and their equipment between the coast and the wind farm for the maintenance of wind turbines in Saint Nazaire. Read the press release.

2021The Service Operation Vessel Wind of Hope was delivered in July. 

First partnership with EDF Renewable for 1 Crew Transfer Vessel to be operated on the Saint-Nazaire offshore windfarm. LD Tide (partnership LDA & Tidal Transit) will operate the CTV. Read the press release.

2020 – First partnership with GE Renewable Energy for 2 Crew Transfer Vessels to be operated on the Saint-Nazaire offshore windfarm. Read the press release.

2019 Eolien Maritime France (a JV between EDF Energies Nouvelles and Enbridge) has awarded Louis Dreyfus TravOcean in consortium with Prysmian, the design, supply and installation of more than 100km of submarine cables for the Saint-Nazaire offshore windfarm, the first ever offshore wind farm in France! Read the press release.

2018 – Renewed  our partnership with Ørsted for a second maintenance ship “WIND OF HOPE”, sister-ship of “WIND OF CHANGE”. Operations on wind farms off the coast of England (Hornsea 2). Design by Salt Ship Design and construction by the shipyards CEMRE (Turkey). 

2017 – Partnership with the Danish group Ørsted for a 1st maintenance vessel “WIND OF CHANGE”. Operations on 4 wind farms off the coast Germany (Borkum Riffgrund 1 & 2, Gode Wind 1 & 2). Design by Salt Ship Design and construction by the shipyards CEMRE (Turkey). Delivery in 2019. Mission: maintenance of wind turbines by maintenance teams.

Ørsted is the only energy company in the world with a science-based net-zero emissions target as validated by the Science Based Targets initiative (SBTi). Ørsted ranks as the world’s most sustainable energy company in Corporate Knights’ 2022 index of the Global 100 most sustainable corporations in the world. Ørsted develops, constructs, and operates offshore and onshore wind farms, solar farms, energy storage facilities, renewable hydrogen and green fuels facilities, and bioenergy plants. 


Our MRE Fleet

  • 2 Service Operation Vessels (WIND OF CHANGE / WIND OF HOPE)
  • 1 Service Operation Vessels Walk to Work ( WIND OF PRIDE) 
  • 3 Crew Transfer Vessels (to be delivered in 2022)


Read more

References of Louis Dreyfus TravOcean dedicated to Renewables : 


First partnership with Ørsted


Partnerships with Ørsted


Technicians on board our SOV


Creation of LDTVO