Office for Nuclear Regulation

Category: Civil nuclear reactors

Hunterston B moves into defuelling phase

January 7, 2022 - Defuelling phase for Hunterston B


ONR gives permission for Hunterston B Reactors to return to service

April 13, 2021 - Return to service for Hunterston B Reactors


EDF Energy complies with Improvement Notices

December 4, 2019 - ONR satisfied Improvement Notices have been met


Hunterston B – Assessment Report (AR): 18-085

October 17, 2019 -


Hunterston B – Assessment Report (AR): 19-003

October 17, 2019 -


Hunterston B – Assessment Report (AR): 19-007

October 17, 2019 -


Hunterston B – Assessment Report (AR): 19-029

October 17, 2019 -


Heysham 1 Improvement Notices extended

September 16, 2019 - Short extension to two Improvement Notices


Moorside – Current status: December 2015

December 14, 2015 -


Wylfa Newydd – Current status: December 2015

December 14, 2015 -