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Framatome launches dedicated line for military nuclear propulsion in Jeumont

Framatome and the French Alternative Energies and Atomic Energy Commission have commissioned a specialised industrial line in Jeumont for the manufacturing of nuclear components used in French Navy vessels.

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Framatome’s site in Jeumont, in northern France, now hosts a production line dedicated to components used in military nuclear propulsion. Developed with the support of the French Alternative Energies and Atomic Energy Commission (Commissariat à l’énergie atomique et aux énergies alternatives – CEA), this new industrial activity aims to strengthen France’s capabilities in defence programmes, particularly those involving submarines and the future nuclear-powered aircraft carrier.

Targeted industrial investments since 2022

The investments required for the new line began in 2022 to modernise the site’s infrastructure. The objective was to equip Jeumont with state-of-the-art technology capable of producing high-value-added components. A specific training programme was also implemented to prepare teams to meet the demanding standards of nuclear propulsion systems.

Production of components for onboard nuclear systems

The Jeumont plant plays a central role in manufacturing primary circuit pumps for the nuclear propulsion systems used in French Navy vessels. With this new line, Framatome will be able to assemble, test and calibrate these complex components under improved conditions. The development also supports the maintenance needs of vessels currently in service.

Enhanced cooperation with institutional partners

Framatome operates through its Framatome Defense division, mobilising industrial capacity and specialised know-how in support of military programmes. The CEA, through its Military Applications Directorate, continues to act as a strategic partner of the State in this deployment. Jeumont Electric, a subsidiary of Framatome and Naval Group, remains a key supplier of electric motors for both nuclear and defence naval applications.

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