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DEME Offshore awarded three contracts for Dieppe Le Tréport OWF

Wednesday, May 3 2023

Wind Energy – Dieppe Le Tréport France

DEME Offshore has been awarded three contracts for the Dieppe Le Tréport offshore wind farm in France.

This is the third large-scale offshore wind farm project for DEME in France following groundbreaking solutions deployed at Saint-Nazaire and the recent contract award of Iles d’Yeu and Noirmoutier wind farm.

The contracts include the transport and installation of the pin piles and jackets forming the foundations for the turbines, as well as the transport and installation of the pin-piles, the jacket and the topside for the offshore substation.

DEME Offshore will also carry out the EPCI scope (Engineering, Procurement, Construction and Installation) for 120 km of inter-array cables.

The Dieppe Le Tréport wind farm is owned by a consortium made up of Ocean Winds (Engie-EDPR), Sumitomo Corporation and ​ Banque des Territoires.

DEME Offshore was chosen for its proven track record installing this type of jacket foundations, its cable laying expertise, and extensive experience of working on offshore wind farms with challenging site conditions.

Proven track record

​Dieppe Le Tréport has similarities to the 950 MW Moray East offshore wind farm in Scotland, where DEME Offshore performed the full EPCI scope for 100 foundations and three offshore substations for Ocean Winds. DEME Offshore developed its own techniques for this project, and these will also be deployed at Dieppe Le Tréport, including a specialised rig and a jacket levelling and fixation system.

GeoSea has signed an agreement for the Engineering, Procurement, Construction and Installation (EPCI) of ca. 100 wind turbine foundations and 3 offshore substation platform foundations, and the transport and installation of 3 offshore substation platforms.

Piling operations for the offshore substation foundation are set to start in 2024 and the jacket foundation installation in the following year. One of DEME’s cable installation vessels is set to perform the cable laying scope, following the installation of the substation. ​

With 62 turbines located off Dieppe and Le Tréport, the wind farm is set to supply nearly 850,000 people with sustainable electricity.

The contracts include the transport and installation of the pin piles and jackets forming the foundations for the turbines, as well as the transport and installation of the pin-piles, the jacket and the topside for the offshore substation.

Related posts:

  1. Unveiling ceremony of DEME’s Sea Challenger in Tokyo
  2. Final phase of Hinkley Point C’s offshore work begins
  3. Dredging campaign to deepen entrance of future port
  4. Enersea designs Cable Installation System for DEME’s Viking Neptun

Filed Under: DEME, Dieppe Le Tréport, EPCI, International News Tagged With: DEME Offshore, Dieppe Le Tréport, France

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