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The SMR and AMR market promises to shake up the global nuclear landscape. Between technological innovation, regulatory constraints.

France currently operates one of the world’s largest nuclear fleets, with 57 reactors, half of which have reached or exceeded 40 years of service.

Digitising a nuclear power plant is not a matter of improvisation. Every innovation must be qualified, traceable, and auditable – without ever compromising safety.

Find out more about our third quarter 2025 financial results.

Artificial intelligence is everywhere. We hear about its potential, its hype, its promises on a daily basis.

ALTEN was honoured with the Innovation Trophy, recognising the excellence of its innovation and technological research approach.

Simon Azoulay will be appointed Chairman of the Board of Directors. Cyril Malargé will join ALTEN and will be appointed Chief Executive Officer

ALTEN, Worldgrid & Anotech will be attending the World Nuclear Exhibition, the international trade show for civil nuclear energy

Discover our 2025 First Half Results

ALTEN attaches the utmost importance to a proactive approach to all CSR matters.

ALTEN aims to achieve double-digit growth in the Iberian Peninsula in 2026, leveraging its enhanced capabilities in the energy sector.

This collaboration reflects a shared commitment to excellence, innovation, and performance.