We are the UK’s independent nuclear regulator for safety, security and safeguards. Our mission is to protect society by securing safe nuclear operations.
Bootle, Cheltenham and London
Joined March 2012
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Dalkia Facilities Ltd has strengthened its work at height arrangements at Torness Nuclear Power Station after an electrician was seriously injured falling from steps while replacing a light fitting.
The firm has now complied with our enforcement action: shorturl.at/0n12B
Our annual report on regulating the UK's plans for safely disposing of its most hazardous radioactive waste in a geological disposal facility is out now, covering the year's progress and our scrutiny of Nuclear Waste Services' work.
Read it here: shorturl.at/vK74K
We joined regulators from 18 countries at an @OECD_NEA workshop hosted by Finland's @STUK_FI, benchmarking our approach and sharing lessons on new nuclear construction to strengthen UK regulatory oversight.
ALT ONR joined regulators from 18 countries at an @OECD_NEA workshop hosted by Finland's @STUK_FI, benchmarking its approach and sharing lessons on new nuclear construction to strengthen UK regulatory oversight.
Trillium Flow Services UK Ltd has strengthened their asbestos management arrangements to comply with two improvement notices we issued following asbestos related shortfalls at Torness Nuclear Power Station.
Read more: onr.org.uk/news/all-news/202…
Today our Chief Nuclear Inspector announced that Great Britain’s nuclear industry has continued to operate safely and securely throughout the 2025/26 reporting period.
Read more: onr.org.uk/news/all-news/202…
New policy published: how inspectors use Relevant Good Practice to inform independent, proportionate nuclear regulation - without compromising safety, security or safeguards.
Read more: shorturl.at/NSYKH
ALT ONR inspectors on site
The latest edition of ONR News is out, capturing a crucial time for UK nuclear regulation: lnkd.in/eNtyDEbP
This issue covers a lot of ground, from our Chancellor response on regulatory reform programmes, to the outcome of a European-wide review on fire safety standards.
We took a leading role at @iaeaorg General Conference, championing regulatory reform & deepening international cooperation to support the safe & timely worldwide deployment of new nuclear technologies.
Read our conference round-up: shorturl.at/mn9MD
At the @iaeaorg General Conference, we took part in side events on regulatory reform & research reactor fuel supply, working with @US NRC, @CNSC_CCSN & @EnvAgency to share learning, cut duplication & support the safe, efficient deployment of new nuclear technologies.
#IAEAGC2026
At the @IAEAorg General Conference, we've signed Memorandums of Understanding with @CCSN_CNSC (Canada), @STUK_FI (Finland) and El Salvador's @DGEHMSV.
These partnerships help us share knowledge, reduce duplication and strengthen safe, effective nuclear regulation worldwide.
We've set out major reforms to speed up UK nuclear project delivery, replying to the Chancellor's letter on the Nuclear Regulatory Review - transforming our regulation to keep pace with a growing sector, while upholding strong safety standards."
More: shorturl.at/e1Qfo
ALT ONR inspectors on a nuclear site.
UK nuclear fire safety has been checked and confirmed to be robust.
Our National Action Plan follows a Europe-wide peer review from which no major shortfalls were found and targeted improvements are already underway at specific sites.
Read more: shorturl.at/3zaQ3
Nuclear regulation in the UK is being reshaped.
In this @InnoNewsNetwork feature, we set out our response to the Nuclear Regulatory Taskforce's call for a more streamlined approach to regulation, proportionate to the risks it addresses.
More: innovationnewsnetwork.com/re…
We have extended two improvement notices served on contractors working at the Hinkley Point C construction site in Somerset, following an incident that resulted in a worker sustaining serious injuries. Read more: onr.org.uk/news/all-news/202…
ALT Aerial view of the Hinkley Point C construction site in Somerset, England. Image shows a number of cranes on site. To the left of the image is the following text: ONR extends two improvement notices served on contractors following incident at Hinkley Point C.
We’ve published refreshed guidance to help operators comply with the updated Nuclear Safeguards (EU Exit and Fees) (Amendment) Regulations 2026.
Read more: onr.org.uk/news/all-news/202…
We’ve served an improvement notice on Dalkia Facilities Ltd following a fall from height incident at Torness Nuclear Power Station.
Read more: onr.org.uk/news/all-news/202…
We’ve granted extensions to four improvement notices - two each served on EDF and contractor Trillium Flow Services UK Ltd - following asbestos shortfalls at Torness Nuclear Power Station.
Read more: onr.org.uk/news/all-news/202…
We've attended the inaugural Nuclear Regulatory Implementation Panel meeting, attending as a core panel member - reflecting our central role in shaping the future of UK nuclear regulation from the outset of the Taskforce review.
Read more: shorturl.at/YlFjC
@energygovuk
We've updated nuclear safety case guidance to make it clearer and easier to use, reducing complexity so inspectors can focus on risk-informed regulation: shorturl.at/QfUQE
Colin Tait, our Deputy Director for Capability & Standards, has more: ⬇️
youtube.com/shorts/01bxi9PbR…
💼We're hiring a Finance Director.
This is a great opportunity to join the independent nuclear regulator at a senior level, playing a key role in supporting our mission to protect society through the safe and secure regulation.
Find out more and apply: lnkd.in/eApNsc7A
