Saint-Nazaire Export

Offshore GridOperational480 MW225 kV61 km

Basic Information

Also known as:Saint-Nazaire grid connection, RTE Saint-Nazaire export, Raccordement électrique du parc éolien en mer de Saint-Nazaire, Raccordement Saint-Nazaire – poste de Prinquiau

Status:Operational

Capacity:480 MW

Transmission Model:TSO Build & Own

Owners:

Réseau de Transport d'Électricité (RTE)(100%)

Project Company:

Réseau de Transport d'Électricité (RTE)

Type:offshore grid

Website:assets.rte-france.com

Description:

The Saint‑Nazaire export connection is a transmission link built to deliver electricity from the 480 MW Parc éolien en mer de Saint‑Nazaire (Banc de Guérande) offshore wind farm to the French onshore transmission network. The connection is an HVAC system rated at 225 kV and was developed to transport the...

Supply Chain (0)

Project Timeline (0)

No lifecycle events recorded yet.

System Topology

Export

React Flow

Route

	Atlantic Ocean (Bay of Biscay)	Loire-Atlantique
Landfall	N/A	Plage de la Courance, Saint-Nazaire, Loire-Atlantique, France
Grid Connection	—	Prinquiau 225 kV substation

Atlantic Ocean (Bay of Biscay)

Landfall:N/A

Grid:—

Loire-Atlantique

Landfall:Plage de la Courance, Saint-Nazaire, Loire-Atlantique, France

Grid:Prinquiau 225 kV substation

Cable Specifications

Saint‑Nazaire export cable system

Plage de la Courance, Saint-Nazaire, Loire-Atlantique, France

2 × 225 kV HVAC · XLPE (Cross-linked Polyethylene) · 480 MVA · 61 km

System:2 × 225 kV HVAC

Insulation:XLPE (Cross-linked Polyethylene)

Power rating:480 MVA

Route length:61 km(33 subsea · 28 land)

Burial depth:

RTE’s design and environmental/planning documentation for the Saint‑Nazaire export link indicates that cable burial (ensouillage) was the preferred protection method for the submarine and near‑shore sections, with route‑specific geotechnical investigations...

Collector Stations

Poste électrique du parc (Banc de Guérande)

Banc de Guérande (Parc éolien en mer de Saint‑Nazaire), France

480 MW 225 kV · offshore

Rating:480 MW · 225 kV

Location:offshore

Prinquiau 225 kV substation

Prinquiau, France, France

480 MW 225 kV · onshore

Rating:480 MW · 225 kV

Location:onshore