Nuclear Power Plants

Exosens provides high-performance, field-proven detectors that meet the most stringent environmental and safety standards for nuclear instrumentation and control (I&C) systems. Our technologies are installed in more than 300 I&C systems across France and around the world, trusted for their reliability in the most demanding nuclear environments.

We offer essential components for both ex-core neutron detection, including source range (SR), intermediate range (IR), and power range (PR), and in-core or in-vessel neutron detectors, ensuring accurate and continuous monitoring of reactor conditions under all operating scenarios.

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Our Nuclear Instrumentation division adheres to a robust Quality Management Program grounded in continuous training and independent inspections. This ensures the consistent delivery of safety-class components in full compliance with leading nuclear standards such as IAEA50-C-G, KTA1401, RCC-E (EDF), ASME NQA-1, and HAF604. At Exosens, quality assurance and safety culture are integral to everything we do.

Exosens I&C systems are trusted in over 30 countries—including the United States, United Kingdom, France, China, India, and across Western Europe. Engineered for precision and long-term reliability, our components support mission-critical safety functions across a wide range of nuclear reactor types, including:

Boiling Water Reactors (BWR)
Pressurized Water Reactors (PWR)
Water-Water Energetic Reactors (VVER)
Advanced and research reactors (AMR, SMR)

In addition to power reactors, Exosens technologies are also deployed in fuel reprocessing plants, Accelerator-Driven Systems (ADS), Fast Breeder Reactors (FBR), and TOKAMAK experimental reactors.

Our I&C portfolio also includes a variety of specialized components:

• Boron concentration meters (3)

• Mineral-insulated cable assemblies (4)

• Connector-integrated detectors (5)

• Gamma chambers (6)

With decades of experience and a deep commitment to nuclear safety, Exosens is proud to support the global nuclear industry through high-quality, reliable instrumentation solutions