Go-ahead for major French wind farm

Part of the marketing material for the new windfarm Part of the marketing material for the new windfarm
Industry Database

The developers of a major offshore wind farm in the Bay of Biscay have received approval allowing the detail work to begin.

This new wind farm, known as the Iles d’Yeu et de Noirmoutier is scheduled to become operational in 2021.

The French Vendee Prefecture issued the required authorisation for the construction of the 496MW offshore wind farm. This covers the concessions required for the use of the marine area, the environmental impact assessment, and plans for an operations & maintenance base at Port-Jonville on the Iles d’Yeu. These authorisations will allow the developer, Eoliennes en Mer Iles d’Yeu et de Noirmoutier, to finalise designs of the offshore infrastructure which includes the foundations and a substation and will also allow the company to place some of the first contracts and orders for equipment.

This new wind farm development will be located some 14kms offshore from the islands of Yeu and Noirmoutier which are located south of the entrance to the River Loire and the port of St.Nazaire. In the location of the proposed wind farm the water depths vary from 17 to 35 metres which makes the installation well within the scope of modern installation technology.

In total there will be 62 turbines over the 83 sq.kms of the farm area and these will be 8MW Siemens Gamsea type SG 8.0-167 DD turbines. These will be mounted on turbine towers with a height of 122 metres giving an overall height of the rotor of 205.5 metres. The construction work is expected to start in 2019 with completion in 2021. The wind farm is expected to have a life span of 25 years.

Two export cables will be laid and there will be a single offshore transformer station. During construction it is likely that two bases will be operational, one on each island but when the farm is operational the main base will be at Port Jonville on les Iles d’Yeu.

The development company is a partnership between Engie (47%), EDP Renewables (43%) and Groupe Caisse des Dépôts (10%).

By Dag Pike

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