Landfall works underway for Saint Nazaire

In: Windfarms
RTE has reached a construction milestone for the transmission system that will connect to the Saint Nazaire offshore wind farm, after work was halted due to COVID-19 earlier this year.

Located 12-20 kilometres off the Loire-Atlantique coast, France, the 480 MW
Saint Nazaire offshore wind farm will feature 80 GE Haliade 150-6MW turbines, with commissioning expected in 2022.

To connect the offshore wind farm, RTE will create a 33 km subsea link between the offshore substation and landfall at Courance beach, Saint-Nazaire. Onshore, RTE will install a 27 km 225 kV underground link passing through Saint-Nazaire, Trignac, Montoir-de-Bretagne, Donges and Prinquiau and construct an onshore substation in Prinquiau to connect to the onshore grid.

Following the outbreak of COVID-19, work on the onshore transmassion system was halted for a few weeks. Work at  the cable landfall site at Courance beach resumed in April and work on the onshore cable route restarted in early May. Access to the Courance beach will remain prohibited during this work, until 15th July.

An important stage has now been completed "with the transfer of the sleeves, which will be used to protect the future submarine cables, over approximately 250 m from the beach."

The project development is being led by EDF through the Éolien Maritime France (EMF) consortium. Enbridge recently divested 49% of its 50% interest in EMF and three offshore wind projects (
Saint Nazaire, Fecamp, and Courseulles) to the Canada Pension Plan Investment Board (CPP Investments). Ownership of Saint Nazaire now includes EDF ( 50%), Enbridge (25.5%) and CPP (24.5%).

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