International Atomic Energy Agency Director General Rafael Mariano Grossi says he will visit Ukraine, Russia and the Zaporizhzhia nuclear power plant within the next two weeks, with one aim being to ascertain long-term plans for the plant, such as any proposal to restart units.

The International Atomic Energy Agency says "a well-established maintenance plan and its timely implementation are essential to ensure plant safety and security" after its team at Zaporizhzhia nuclear power plant concluded, following on-site discussions, that there will not be "a comprehensive maintenance plan" implemented in 2024.

Canadian regulators have concluded that there are no fundamental barriers to licensing the Xe-100 small modular reactor, X-Energy Reactor Company has announced.

NAC International's patented Optimus-L packaging system to contain and transport high-assay low-enriched uranium TRISO fuel has been approved by the US Nuclear Regulatory Commission. Such fuel will be used in advanced reactors.

Safety upgrade work at unit 2 of the Onagawa nuclear power plant in Japan's northeastern Miyagi Prefecture will not be completed next month, as previously planned, Tohoku Electric Power Company announced. The utility had earlier expected to resume commercial operation of the reactor around May.

The International Atomic Energy Agency says a new system to ensure an immediate supply of back-up electricity if the main external line fails is a significant safety development - but has also outlined a list of areas of the Zaporizhzhia nuclear power plant its experts want to inspect.

NuScale Power's NPM-20 small modular reactor technology is compliant with Polish nuclear safety and radiological protection standards, the president of the National Atomic Energy Agency said in a general opinion.

Japan's Nuclear Regulation Authority has decided, at a meeting on 27 December, to lift an administrative order imposed on Tokyo Electric Power Company in 2021 that prohibited the company from moving nuclear fuel or loading it into reactors at the seven-unit Kashiwazaki-Kariwa nuclear power plant.

Japanese nuclear power plant operators have reported some minor damage, but no public safety issues, following the 7.6 magnitude earthquake which struck Ishikawa Prefecture on Monday.

International Atomic Energy Agency experts were told that security concerns meant they would not be going ahead with their planned access to the reactor rooftops at the Zaporizhzhia nuclear power plant on 19 December.