The Western European Nuclear Regulators Association says that although there are a number of alternative means of providing power in the event of a total loss of offsite power "war … can have unexpected and additional consequences” and the loss of two of the external power lines to Ukraine’s largest nuclear power plant “significantly weakens the robust electricity supply arrangements".

The International Atomic Energy Agency task force "observed a robust commitment to align the regulatory plans related to the treated water discharge with IAEA safety standards" during the five-day visit to Japan.

The International Atomic Energy Agency's Director General Rafael Mariano Grossi has said "we cannot afford to lose any more time" in concluding an agreed framework for ensuring nuclear safety and security in Ukraine.

The Advanced Test Reactor at the US Department of Energy's Idaho National Laboratory, is preparing to return to service after the completion of an 11-month core overhaul. The reactor - described as the most powerful materials test reactor in the world - is expected to resume normal operations by late Spring.
 

Ukraine's nuclear regulatory authority has warned that the annual "fire season" is approaching in the area including Chernobyl and says that the usual firefighting capacity is not available as a result of the Russian occupation.

About half of the staff who were on shift on the day Russian forces took control of the Chernobyl site on 24 February, have been able to return home, Ukraine's nuclear regulator has told the International Atomic Energy Agency.

The International Atomic Energy Agency director general says consultations about an agreement for the safety and security of Ukraine's nuclear facilities are on-going.

Finnish utility Fortum Power and Heat Oy has submitted an application to the Ministry of Economic Affairs and Employment to operate both units 1 and 2 of its Loviisa nuclear power plant until the end of 2050. The current operating licences expire at the end of 2027 and 2030, respectively.

The International Atomic Energy Agency said it had been told that Ukraine’s largest nuclear power plant has lost connection to a third power line, but two others remain available.

Ukraine says that the external power supply to Chernobyl has been restored five days after it was lost after power lines to the area were damaged during fighting.