Big projects


Our wealth of experience, combined with our continuous commitment to support our customers in their innovations makes Clemessy your reference partner for your defence and security programmes.

Infrastructure and buildings

Clemessy carries out work on a daily basis across France and around the world to support you when it comes to your power generation, transmission and distribution issues, but also to secure your sensitive sites.

Power generation, transmission and distribution

  • Independent and secure power generation
  • High quality and high-availability UPS
  • Conversion of energy, static or rotating
  • MV/HV substations and networks
  • Manufacturer-certified main LV boards and LV cabinets
  • Supervision of electrical grids
  • Monitoring of energy efficiency

Securing sensitive sites

  • Safety protection: access control, intrusion and CCTV
  • Intelligent image analysis
  • Communication and networks
  • Safety of goods and people
  • Supervision and hypervision of systems
  • Security of Information systems