JAEA Plans to Adjust Decommissioning Plan for Monju Fast Breeder Reactor
The Japan Atomic Energy Agency (JAEA) announced on August 21 that it plans to adjust the decommissioning plan for the Monju fast breeder reactor in Tsuruga City, Fukui Prefecture. Under the revised plan, the remaining neutron shielding layers and other components inside the reactor, along with 227 dummy fuel assemblies, will no longer be removed separately in the current phase as originally planned, but will instead be handled together during the subsequent reactor pressure vessel dismantling phase. Monju is currently in the decommissioning process. Previously, JAEA had planned to proceed with the removal of internal reactor components within the current fiscal year, but due to two equipment failures, the related work was temporarily suspended, and the overall schedule is expected to be delayed by approximately one year. As of May 25, 595 shielding layers and related components in the reactor...
2026-08-22