Czech nuclear power plant operator ČEZ says that introducing new data-based techniques - encompassing things like air temperature, humidity and the temperature of cooling water - to find the optimal setting of the largest circulation pumps, cut the Temelín nuclear power plant's electricity consumption by 5400 MWh in 2023.

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.

EDF Energy has announced it will invest a further GBP1.3 billion (USD1.7 billion) in the UK's five operating nuclear power plants over the next two years and plans to further extend the lives of the four operating Advanced Gas-cooled Reactor plants.

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.

Unit 2 of the Shin Hanul nuclear power plant in South Korea has began supplying its first electricity to the grid, Korea Hydro & Nuclear Power announced. The unit is the second of two APR-1400 reactors at the site, with a further two planned.

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.

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.

Pacific Gas & Electric can operate the two-unit Diablo Canyon nuclear power plant in California beyond the expiry of their current licences (2024 and 2025, respectively) following the acceptance of PG&E's licence renewal application by the US Nuclear Regulatory Commission.

Californian regulators have agreed to extending the operations of the Diablo Canyon nuclear power plant for an additional five years, to 2030.

The loading of fuel into the core of unit 4 of the Barakah nuclear power plant in the UAE has been completed, operator Nawah Energy Company has announced.

The controlled self-sustaining fission chain reaction began at Kakrapar unit 4 in the early hours of 17 December, Nuclear Power Corporation of India Ltd has announced. The Indian government has also confirmed it has completed the land purchase for the construction of two 700 MWe reactors at Chutka.

A final agreement has been signed between the Belgian government and French utility Engie to extend the operation of the Tihange 3 and Doel 4 nuclear power reactors by 10 years and on all obligations related to radioactive waste.