ES
France France · Saint-Paul-les-Durance · 43.678, 5.769

REACTOR JULES HOROWITZ

REACTOR JULES HOROWITZ, a research reactor (tank) in Saint-Paul-les-Durance, France, with 100 MW of thermal power, operated by CEA. Under construction, first critical in 2007.

Once in operation it will be the most powerful research reactor in France, ahead of the 2 operating today. It went critical 59 years after the first research reactor in France, ZOE (EL-1) (1948). 36 tank-type reactors remain in operation today across 23 countries. Its declared uses include isotope production, transmutation and materials testing.

Country
France
City
Saint-Paul-les-Durance
Type
Tank
Thermal power
100 MW
Operator
CEA
Design and construction
Designed by CEA · TechnicAtome · built by TechnicAtome
Status
Under construction
First criticality
2007
Purpose
Isotope production, transmutation, materials testing

Data: IAEA RRDB · updated on Sep 3, 2026

More information

Related research reactors