Nexans to Connect the Dieppe - Le Tréport Offshore Wind Farm

Source: 3/17/2022, Location: Europe

- Nexans is contributing to the energy transition by strengthening its presence in the field of renewable energy and in the production of sustainable electricity from offshore wind farms.
- Nexans will supply the 225 kV power cables for the connection by RTE (Réseau de Transport d'Electricité) of the Dieppe - Le Tréport wind farm, one of the largest offshore wind projects in France.
- As part of the contract, worth around 100 million euros, the Group will provide a complete turnkey project including the installation and protection of the cables at sea and onshore.
- Nexans will also provide IMR (inspection, maintenance and repair) services for the project.

Nexans has been awarded a contract worth around 100 million euros by RTE to supply and install 47 km of offshore and 18 km of onshore power export cable for the wind farm located in the English Channel, more than 15.5 km from Le Tréport and 17 km from Dieppe. With a capacity of 496 MW, the wind farm is expected to produce an average of 2,000 GWh per year, which represents the annual electricity consumption of approximately 850,000 people, or about two-thirds of the population of Seine-Maritime or more than the entire population of the Somme.

Developed by the consortium "Éoliennes en Mer Dieppe Le Tréport", this is one of the largest commercial offshore wind projects in France. Its success is of major importance as it will contribute to the country's response to climate change. The project is fully in line with France's objectives regarding the energy transition, energy mix, including offshore renewable energy, and energy independence of the country. RTE has been appointed by the State to connect this wind farm from the offshore substation to the onshore power grid through the installation of two 225,000 volt subsea and onshore links.

For the subsea section, Nexans will supply two 23.5 km lengths of 225 kV three-core cable. Featuring innovative new technology, the cable has hybrid armoring and incorporates a fiber optic element to remotely monitor the health of the link and transmit information between the offshore wind farm and the onshore base. The cables will be laid by the CS Skagerrak, one of the Group's two cable laying vessels along with the newly constructed Aurora.

The onshore link will consist of 18 km of 225 kV single-core cable, similar to that supplied to RTE by Nexans under the current framework contract for onshore cables. Nexans will also be in charge of the cable burial and protection for the onshore section.

The awarded contract includes business continuity services (inspection, maintenance, repair) for the entire project.

Nexans' Halden plant in Norway will manufacture the subsea cables, while the land cables will come from the Nexans plant in Charleroi, Belgium. The fiber optic elements will be supplied from the Norwegian site in Rognan. The installation of the subsea cables should start in the second half of 2024.

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