Frenche Guiana
Space - Works

Taking an active part in the Ariange 6 adventure, Clemessy is involved in the construction of the ELA4 launch pad.

Centre national d'études spatiales

Part of the construction of the ELA 4 launch pad, in a consortium led by Eiffage, design and completion of the power & lighting and safety & protection electrical work packages.
The ELA 4 launch pad is for the future Ariane 6 launcher.



  • HV Transformers
  • Backup generator sets
  • Inverters
  • Lightning protection
  • Launcher lighting
  • Computerised Supervision system.