Yeu-Noirmoutier Export
OperationalOffshore GridFR500 MW225 kV56 km2025
Basic information
8 fieldsAlso Known As
Yeu-Noirmoutier offshore grid connection · EMYN grid connection · NOY export · Yeu-Noirmoutier 225 kV export
Status
operational
Capacity
500 MW
Project Company
Type
offshore grid
Transmission Model
TSO Build & Own
Website
Supply Chain (4)
Project Timeline (4)
4 Jun 2025First Power
On 4 June 2025, the Îles d’Yeu and Noirmoutier (EMYN) offshore wind farm began exporting its first electricity to the French national grid via the RTE-developed grid connection infrastructure, which comprises both offshore and onshore components linking the offshore substation to the mainland. Following an initial testing phase that started on 23 May 2025, the first Siemens Gamesa turbines were energised and connected, marking first power over the Yeu-Noirmoutier 225 kV export system and the start of the final operational stretch before full commissioning later in 2025.
23 May 2025System Testing
On 23 May 2025, an initial testing phase began for the Îles d’Yeu and Noirmoutier offshore wind project, during which the first Siemens Gamesa turbines and the RTE-developed grid connection infrastructure (including offshore and onshore components) were tested prior to exporting power to the French national grid. This system testing marked the final commissioning stretch for the Yeu-Noirmoutier Export transmission system ahead of first power and full operation later in 2025.
20 Mar 2024Offshore Construction Start
RTE’s official project update dated 27 March 2024 states that on 20 March 2024 installation works for the first subsea export cable began, with the cable-laying vessel arriving on site and starting to lay the 27 km offshore cable between the landfall at La Grande Côte and the future offshore substation. This marks the start of offshore construction for the Yeu-Noirmoutier export connection.
4 Mar 2020Cable Supplier Selected
On 4 March 2020, Prysmian Group was awarded a contract worth over €150 million by French TSO Réseau de Transport d’Électricité (RTE) to act as cable supplier for the Yeu-Noirmoutier offshore grid connection, covering the turnkey design, supply, installation, and commissioning of two 225 kV HVAC export systems comprising approximately 27 km of three-core submarine cables from the EMYN offshore substation to landfall at La Barre-de-Monts and about 30 km of underground land cables linking the landfall to RTE’s Soullans substation.