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Rosatom launches training simulator for the BREST-OD-300 power unit

TVEL, PUBLISHED 05.07.2026

In Seversk, Tomsk Region, Rosatom has launched a full-scale simulator for operation of the lead-cooled BREST-OD-300 fast neutron reactor and its power unit.

This innovative fourth-generation nuclear power plant will make an integral part of the Pilot and Demonstration Energy Complex, which is under construction at the Siberian Chemical Combine, an enterprise of Rosatom’s Fuel Division – TVEL). The project is underway as part of the strategic "Breakthrough" initiative.

The simulator is a sophisticated complex replicating the main and the backup control panels. It includes servers, software models, audio-visual monitoring, and a personnel action registration system for training review. The simulator accurately simulates physical processes, reflecting both normal operations and emergency protocols for the reactor installation.

Evgeny Adamov, scientific director of the "Breakthrough" project, emphasized the simulator is unique, stating, "No comparable simulators exist globally, as this has been specifically developed for the lead-cooled BREST-OD-300 reactor, representing a critical training asset for personnel licensing."

For the first time, molten lead will serve as coolant in a fast nuclear reactor, with its core fully loaded with dense uranium-plutonium nitride fuel. This approach leverages unique physical, thermal, and operational benefits that enable the closed nuclear fuel cycle and enhance reactor safety.

VNIIAES, an enterprise of Rosatom's Power Division, became the supplier of the advanced training complex due to their expertise, as they had already developed over 40 such simulators for various nuclear power units of Russian design. This simulator will enable to prepare the operational personnel for the BREST-OD-300 power unit before the reactor's physical start-up, in compliance with the Russian regulatory standards.

Topics: Rosatom, BREST


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