ALLEGRO Project
Gas-cooled Fast Reactor Demonstrator
ALLEGRO is a concept of a demonstration unit of the GFR (gas-cooled fast reactor) technology, developed in Europe with the aim to prove viability, safety, and reliability of the whole concept of a high temperature, gas-cooled, fast spectrum reactor.
Advanced Technology
Unique Design Features
Fast neutron spectrum
Aimed at minimizing nuclear waste and closing the fuel cycle.
High Temperature
Up to 850°C to demonstrate high-potential heat applications.
Unique Safety Features
With the aim to reach unprecedented levels of safety.
Firts-of-a-kind
First prototype of the gas fast reactor (GFR) technology.
Developed in Europe
One of European Sustainable Nuclear Industrial Initiative (ESNII) technologies.
Gen IV Technology
Selected as one of 6 most promising technologies by Generation IV Forum (GIF).
The Development Team
V4G4 Centre of Excellence
Position within Europe
ESNII supported project
National and international activities
R&D Projects
The ALLEGRO reactor concept is developed under numerous national and international projects.