Office for Nuclear Regulation

Category: Nuclear decommissioning and commercial plants

Our People – Rowland Cook, nuclear site inspector

November 24, 2023 - ‘It’s rewarding to be protecting the public and the environment’


ONR’s Mark Foy appointed new WENRA Chair

November 17, 2023 - ONR renews information exchange agreement with Sweden


Regulatory priorities for 2023/24 outlined at ONR annual conference

October 11, 2023 - Analysing the regulatory landscape across GB nuclear sector


Defuelling milestone for Hunterston B

October 10, 2023 - EDF complete defuelling of Reactor 3 at Hunterston B


Eleven international bilateral meetings signal growing global nuclear regulatory collaboration

October 2, 2023 - ONR attends 11 bilateral meetings to strengthen global links


Major waste retrievals milestone at Sellafield

August 16, 2023 - ONR permissioned Pile Fuel Cladding Silo landmark retrievals


ONR transport inspector joins Czech Republic IRRS mission

June 7, 2023 - UK one of 19 countries represented for IRRS visit


Environmental management plans updated

March 18, 2023 -


Sellafield complies with fire enforcement notice at First-Generation Magnox Storage Pond

March 15, 2023 - New wireless alarm offers enhanced degree of protection


Sellafield Ltd fined after worker scaffolding ladder fall

March 6, 2023 - ONR investigation revealed a series of health and safety failings