Office for Nuclear Regulation

Category: Quarterly updates

A series of quarterly reports on the GDA process.

Generic Design Assessment quarterly update

July 12, 2016 - GDA quarterly update


GDA: Progress report for the period January 2015 to March 2015

May 21, 2015 -


New reactors progress report Q3 2014

November 6, 2014 - This report provides information on the work that we have been carrying out on the Generic Design Assessment (GDA) of Hitachi-GE’s UK Advanced Boiling Water Reactor (UK ABWR), and the re-mobilisation of the GDA project for the Westinghouse AP1000® reactor design, during the period July – September 2014.


GDA Progress report for the period April 2014 to June 2014

August 14, 2014 - This report provides an update on the work that has been undertaken so far during Step 2 of the Generic Design Assessment (GDA) of Hitachi-GE’s UK Advanced Boiling Water Reactor (UK ABWR), as well as the regulators preparation for potential other GDA’s. ONR and Environment Agency will publish their technical assessment and summary reports on […]


ONR Quarterly News, October-December 2012

January 31, 2013 - ONR Quarterly News, September-December 2012


New reactors quarterly report published – Updated

November 19, 2012 - ONR and the Environment Agency have published their latest Generic Design Assessment (GDA) quarterly progress report.


GDA Quarterly Report for 1 January – 31 March 2012 published

May 24, 2012 - Our latest Generic Design Assessment quarterly progress report is now available. More information can be found on the Quarterly Updates page


GDA Quarterly Report for 1 January to 31 March 2012

May 24, 2012 - Image of UK EPR reactor design


GDA Quarterly Report for 1 October – 31 December 2011 published

February 21, 2012 - Our latest routine quarterly report on the progress of Generic Design Assessment of the AP1000 and UK EPR reactors is available. More information can be found on the Quarterly Updates page