Beloyarsk-4 / For First Time, Russian BN-800 Fast Reactor Is Fully Loaded With MOX Fuel

Closing nuclear fuel cycle is ‘long-anticipated milestone’ for Moscow’s nuclear industry
For First Time, Russian BN-800 Fast Reactor Is Fully Loaded With MOX Fuel
The core of the Beloyarsk-4 BN-800 fast neutron reactor has been fully loaded for the first time with commercial MOX fuel. Courtesy Tvel.
The BN-800 fast neutron reactor at the Beloyarsk nuclear power station near Yekaterinburg in central Russia has been reconnected to the grid after a scheduled outage with the core fully loaded for the firt time with commercial mixed oxide uranium-plutonium (MOX) fuel.

Russia’s state nuclear corporation Tvel, a subsidiary of nuclear corporation Rosatom, said the MOX fuel assemblies for Baloyarsk-4 were manufactured at the Mining and Chemical Combine (MCC) in Zheleznogorsk, western Russia.

The first batch of MOX fuel was loaded in the BN-800 core in January 2020. A year later, for the first time during a planned outrage, only MOX fuel was loaded into the reactor.

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