The Jimmy project
Jimmy was created in 2020 based on a dual realization: on one hand, industries need to change their source of heat, but there are few profitable decarbonized alternatives. On the other hand, nuclear fission allows for the production of low-cost decarbonized heat.
Jimmy's goal is to accelerate the transition to decarbonization as quickly as possible. After a concept maturation phase in 2021, Jimmy now relies on a determined multidisciplinary team and is reinventing the use of fission to decarbonize industry.
Our objective is to commission its industrial demonstrator by 2026 to realize its vision of a decarbonized and competitive industry in France.
Advisory board
Former Head of the RJH and Deputy Director of International Relations | CEA
Nuclear expert
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Our investors





They support Jimmy

News
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The French government injects 32 million euros into Jimmy as part of the France 2030 program
Jimmy is the biggest winner of the "innovative nuclear reactors" call for projects under the France 2030 plan.
Press newswire
Press release

Jimmy winner of the French Tech 2030 program
Jimmy is one of the first winners of the French Tech 2030 program, operated by the French Tech mission, BPI France and the Secrétariat Général pour l'Investissement.
La Mission French Tech

Jimmy raises €15M for industrialization
After an initial fund-raising round of 2.2 million euros at the beginning of the year, Jimmy is stepping up its development, announcing that it has raised 15 million euros from its partners: EREN Industries, Noria, Otium Capital, Polytechnique Ventures and new entrants.
BFM Business video (French)

Tribune: "Let's give France a head start! "
Jimmy was lucky enough to join forces with Bruno Bonnell, Thomas Lesueur and Antoine Pellion 🇺🇦 to defend the need to "give France a head start" in an article published in the Journal du Dimanche.
Link to the article on the JDD website