Offshore site characteristics

Technical information

  • Water depth: 32 m to 36 m LAT
  • Seabed: Sand (0.2-0.5 mm)
  • Export cable: 8MVA – 20 kv
  • 3 test slots: 24 optical fibers
  • Wave: 3 Datawell buoys
  • Current, tide: 2 ADCP systems
  • Wind: 2 meteo-buoys


  • Tidal range: 6.2 m
  • Max tidal current (10years): 0.7 m/s
  • Mean wave energy: 12 kW/m
  • Extreme Hs (10years): 8.3 m
  • Extreme Hs (50years): 9.6 m
  • Mean wind velocity: 7.5 m/s (1h, 10m)
  • Extreme wind (50years): 29 m/s (1h, 10m)

Location

  • The SEM-REV test site is located approximately 100km from the city of Nantes on the French Atlantic coast, off the coast of Le Croisic. The test site is 20 nm from St-Nazaire harbour and approximately 10 nm W-SW from the town of Le Croisic.
  • The SEM-REV marine test area covers approximately 1km².
  • SEM-REV is a marine restricted area: in case of intrusion, the SEM-REV team is warned in real time and refers it to the Maritime authorities.
 Export cable in red
Publié le June 30, 2017 Mis à jour le July 11, 2017