Windmills at Saint Nazaire

Saint-Nazaire Offshore Wind Farm

Locations: Onshore and Offshore France

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Saint-Nazaire Offshore Wind Farm Project Overview

The Saint-Nazaire Offshore Wind Farm will consist of 80 (Siemens SWT-7.0-154 7MW) offshore wind turbines with a unit capacity of 6 megawatts (MW) for a total capacity of 480 MW. The SWT-7.0-154MW wind turbine has a rotor diameter of 154m and a swept area of 18,600m². The rotor of the turbine is fitted with Siemens B75 blade. The planned production is equivalent to covering the equivalent of 20% of the electricity consumption of the Loire-Atlantique.

This Euro (€) 2bn project is being developed as a part of the French government’s aim to increase renewable energy’s share in consumption to 32% by 2030.

The Saint-Nazaire Wind Farm will be situated on the bench of Guérande, Loire-Atlantique in Brittany in western France approximately 12km offshore from the coastline with the wind turbines being installed at depths between 12m and 25m on monopole foundations.

Work Scope

Brunel was awarded the contract by EDF Renewables to provide HV control engineering, Scada supervision and commissioning services of the WTG, foundations and inter-array grid for the Saint-Nazaire Offshore Wind Park.

Brunel project team

The total site team to cover the engineering & commissioning scope will consist of a team of 15-20 consultants:

  • HV Control Engineering
  • WTG Commissioning Supervision
  • SCADA Supervision (OSS & WTG)
  • Foundations Commissioning Supervision
  • Inter Array Grid (IAG) Commissioning Supervision
  • OSS HV Technicians
  • OSS LV Technicians
  • OSS Auxiliary Technicians


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