A Global Partner for Safe and Sustainable Nuclear Power

Nuclear power is the world’s second largest source of low carbon electricity and a key contributor to the energy transition. As a nuclear power plant contractor, Omexom supports nuclear facilities across their entire lifecycle, delivering high value solutions from construction and modernization to operation and maintenance.

  • Years of experience

  • Experts of nuclear generation process

  • References in NPPS

With a strong local presence and proven international experience, Omexom operates in France, the UK, Belgium, Germany, and worldwide, including South Africa, providing reliable and compliant solutions for nuclear power plants.

Drawing on deep technical expertise and a strong nuclear and occupational safety culture, Omexom delivers complex nuclear projects with the highest standards of performance, reliability, and regulatory compliance.

What you Need to Know About Nuclear Energy at Omexom

  • Omexom is a global nuclear power plant contractor delivering end‑to‑end solutions across the nuclear power plant lifecycle.
  • We provide integrated nuclear engineering and nuclear electrical works, from design and installation to commissioning.
  • Omexom delivers nuclear NDT and nuclear maintenance services for safe, compliant, and high‑performance nuclear power plants worldwide.

 

 

Our Nuclear Expertise Across the Power Plant Lifecycle

Omexom delivers comprehensive electrical engineering and installation services for nuclear power plants, covering both new build and renewal projects:

  • Low and high voltage systems (0V to 400kV)
  • Instrumentation and control systems
  • General electrical installations
  • Electrical and communications networks
  • Physical protection systems

Our teams manage the full project scope, from design and engineering to installation and commissioning, including qualification of equipment for seismic and radioactive requirements.

 

Omexom provides advanced nondestructive testing services to ensure the integrity and safety of critical nuclear components:destructive testing services

  • Engineering, design, and qualification of NDT systems
  • Data analysis and reporting
  • On site control services site control servicessite control services

Our expertise covers steam generators, heat exchangers, and primary and secondary circuits, using proven techniques such as eddy currents, ultrasonics, leak testing, and televisual inspection.

Omexom supports nuclear power plants throughout operation, outages, and post operation phases with specialized maintenance services:

Electrical maintenance

  • Low and high voltage systems
  • Temporary cabling during unit overhauls

Instrumentation maintenance

  • RIC and RGL refurbishment
  • Neutronic incore instrumentation
  • Valves and instrumentation

Additional maintenance

  • Access control systems and physical protections
  • Annual outage maintenance
  • Post operation and decommissioning activities.

Proven Experience in Nuclear Power Projects

With decades of experience and numerous references in nuclear power plants, Omexom delivers large scalehigh complexity projects for major nuclear operators. 

References & International Expertise

  • Hinkley Point C Nuclear Power Plant (1,630MW)

    Client: NNB (EDF Energy) 
    Scope: Electrical Installation Design Activities 
    Dates: 2025

    Heavy lifting operation installing a reactor dome using cranes at a nuclear power plant construction site
  • Access Booth for the Penly EPR2 Construction Site (1,300MW)

    Client: EDF 
    Scope: Electrical Installations for Access Control 
    Dates: 2024-2025

    Nuclear power plant with reactor buildings and chimneys near coastal cliffs, illustrating modern energy infrastructure
  • Reactor Vessel Bolts & Nuts Control​​ ​

    Client: EDF UTO​ 
    Scope: Non-Destructive Testing of the Reactor​ 
    Dates: 2025-2031

    Precision industrial machinery used for reactor component handling and mechanical testing in a nuclear facility

News related to Nuclear

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  • Aerial view of a nuclear power plant with large cooling towers and surrounding landscape, illustrating power generation infrastructure
  • Omexom engineers inspecting heavy electrical and mechanical equipment inside an industrial energy facility
  • Nuclear power station beside a lake with multiple cooling towers releasing steam, highlighting lowcarbon electricity production
  • Omexom specialists reviewing technical plans during industrial maintenance and installation operations
  • Nuclear power plant at night with illuminated cooling towers reflected on calm water, showcasing large-scale energy infrastructure

Global Reach, Local Expertise 

With 520 business units across the world, we have strong connections with local suppliers and contractors, each offering unique capabilities. As a global EPC contractor, our collaborative approach ensures you benefit from the most capable team for your project.  

Operating in 35 countries and working closely with local suppliers, we are committed to the highest standards of quality, health and safety, and environmental performance, delivering sustainable, efficient, and secure energy solutions worldwide

Explore Our Other Expertise