Frédéric Varaine, Guest on ICI Matin on ICI Provence

A compact technology to bring energy closer to consumption

Speaking on ICI Provence, Frédéric Varaine reiterated the principle of the Otrera SMR: a modular fast neutron nuclear reactor cooled by sodium (SFR), based on the same physical fundamentals as the large power plants in the French fleet, but in a much more compact format.

“The principle is the same as at the Tricastin power plant,” he explains, “the division of the atom produces heat, generates steam, and turns turbines to generate electricity, but here it’s a compact system that takes up to 10 times less space.”

The objective: to bring energy production closer to its consumption sites.

“Bringing energy closer to its consumption, near industrial sites, near cities that also need heat for heating, near data centers that need electricity and cooling for their systems.”

An accelerating industrial model

Frédéric Varaine also discussed the acceleration logic driven by the modular format:

“Small reactors are built faster; it’s private funding, it’s the startup model, we can move much faster without waiting for a cascade of decisions.”

A model that allows Otrera to embark on a rapid industrial trajectory, supported by the recent fundraising and the progressive construction of an industrial ecosystem bringing together engineering firms, equipment manufacturers, and major players in the French nuclear sector.

Safety, acceptability, and lessons learned

Questioned about the issue of acceptability and the concerns these reactors might raise among local residents, Frédéric Varaine reiterated the French regulatory framework and the role of the Nuclear Safety Authority.

“There is always a balance between risk and what we need. We need energy, and it’s up to us to produce the safest possible systems. The French Nuclear Safety Authority is still one of the most demanding authorities in the world. We have 58 reactors in France; they are operating, and we have not had any major incidents.”