The Nuclear Law Bulletin is a unique international publication for both professionals and academics in the field of nuclear law.

Le Bulletin de droit nucléaire est une publication internationale unique en son genre destinée aux juristes et aux universitaires en droit nucléaire.

The WPRS met from 20-24 February 2023.

Information note on nuclear power installations in Ukraine, updated periodically.

Strengthening the future of the nuclear sector’s workforce

Anciens numéros du Bulletin de droit nucléaire (nos 1 à 80).

Older issues of the Nuclear Law Bulletin (Nos. 1 to 80).

The Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) and its expert groups co-ordinate benchmark activities on Reactor Single- and Multi-Physics. The benchmark ac...

In response to the technical and scientific needs emerged recently in this area, the Working Group of External Events (WGEV) and the Working Group on Risk Assessment (WGRISK) initiated a joint task e...

International Nuclear Law Essentials course

The NEA Second Framework for Irradiation Experiments (FIDES-II) supports the fuel and material experimental needs of nuclear safety regulators, technical support organisations, research institution...

The International workshop on disruptive technologies for nuclear safety applications is one of the most significant digital innovation events of the year. This two-day workshop will be held in perso...

All low-carbon solutions will be required to achieve the world's net zero targets. Nuclear energy has a role to play in meeting this need. A wave of innovation in small modular reactors (SMRs) is adv...

Nuclear innovation in small modular reactors (SMRs) has the potential to address multiple energy policy priorities around the world, from decarbonising electricity and deep decarbonisation of hard-to...

On 11 March 2011, a massive earthquake of magnitude 9.0 on the Richter scale jolted the eastern coast of Japan. An hour after the earthquake, a 14-15 m tsunami, as estimated at the Fukushima Daiichi ...

The Information System on Occupational Exposure (ISOE) is jointly sponsored by the Nuclear Energy Agency (NEA) and the International Atomic Energy Agency (IAEA). Since 1992, ISOE has provided a forum...

Female scientists and engineers pioneered the nuclear and radiological fields, with leaders and innovators such as Marie Skłodowska-Curie and Lise Meitner, among many others, establishing the foundat...

Improving gender balance in nuclear

Female scientists and engineers pioneered the nuclear and radiological fields, with leaders and innovators such as Marie Skłodowska-Curie and Lise Meitner, among many others, establishing the foundat...

The NEA took part in the International Youth Nuclear Congress on 27 November - 2 December 2022 in Komiyama, Japan. (Image source: IYNC)

The FIDES-II framework is designed to do more than just produce data on transient fuel behavior and safety related issues. 

P2M includes in-pile tests and Post-Irradiated Examinations in Hot-Laboratory to assess the operational margins at high power.

The INCA experiments will provide comparative data on the irradiation induced creep of current Zr alloys and Cr coated samples

This benchmark is organised to examine the models for fission gas release during anticipated operational occurrences (AOOs).

One of the major achievements of the OECD Nuclear Energy Agency (NEA) is the knowledge it has helped to generate through the organisation of joint international research projects. Such projects, prim...

High Burnup Experiments in Reactivity Initiated Accident (HERA) is dedicated to the understanding of LWR fuel performance at high burn-up under reactivity-initiated accidents (RIA).

NEA News is the professional journal of the NEA. It features articles on the latest nuclear energy issues concerning the economic and technical aspects of nuclear energy, nuclear safety and regulatio...

NEA and NRA held joint conference on regulators' views in Tokyo, Japan 10 years after TEPCO Fukushima Daiichi NPS Accident. 

The modelling and simulation of nuclear systems allow scientists and engineers to probe aspects of the operation of these systems beyond what has been precisely measured. This has numerous applicatio...

Expert groups on structural and fuel materials meet to advance materials science activities

Thermodynamic databases and accident prevention

JAEA  High-temperature Engineering Test Reactor Photo: Japan Atomic Energy Agency (JAEA)

The Committee on the Safety of Nuclear Installations (CSNI) Task Group on Advanced Reactor Experimental Facil...

View of Dragon Reactor. Photo: AEA Technology.

In 1959, twelve OECD countries began the Dragon Reactor Experiment (DRE) to build a reactor at Winfrith in Dorset, United Kingdom. The Dragon was the fi...

Scheme showing the technical scope of NEA ICDE project activities, NEA 

Common-cause failure (CCF) events can significantly affect the availability of safety systems of nuclear power plants. In recog...

Feeders on the Reactor Face in the Feeder Cabinet Photo: Canadian Nuclear Safety Commission (CNSC)

The Component Operational Experience, Degradation and Ageing Programme (CODAP) combines the follow-u...

Studsvik’s pool facility for storage and inspection of SMILE materials, left: 29 tonnes transportation flask, three pools each about 8 meters deep; and right: pool-in-pool for cutting and inspections...

Appearance of Unit 1 and 2 reactor buildings at Fukushima Daiichi Nuclear Power Station of Tokyo Electric Power Company Holdings (June 2022). Photo: Japan Nuclear Regulation Authority

The FACE projec...

Image: Microscopic examination of U-bearing particles collected at Fukushima-Daiichi, JAEA

TCOFF Phases

First Phase (2017-2020)

The TCOFF project established a framework for the exchange of technical...

Investigation for damage condition and radiation dose in Unit 3 at Fukushima Daiichi Nuclear Power Station of Tokyo Electric Power Company Holdings (December 2019). Photo: Japan Nuclear Regulation Au...

End state of debris in the units 1-3 of Fukushima Daiichi Nuclear Power Station of Tokyo Electric Power Company Holdings. Photo: Japan Atomic Energy Agency

The Preparatory Study on Analysis of Fuel D...

Units 1 and 2 End of Fukushima Daiichi Nuclear Power Station of Tokyo Electric Power Company Holdings (4^th October, 2011). Photo: Tokyo Electric Power Company Holdings

The Benchmark Study of the Acci...

CHIP experimental facility to study fission product transport and deposition in the primary circuit. Photo: IRSN

Following several years of experimental research in the field of source terms analysis...

Left: Test facility for qualification of melt spreading tests. Photo: Argonne National Laboratory (ANL).
Right: Example of corium melt pouring for a melt spreading preparatory test. Photo: Argonne Nat...

Photo: RBHT Test Facility. US NRC.

Modelling reactor core behaviour under accident conditions with delayed re-introduction of cooling water (commonly referred to as reflood) is a challenge for safety...

^{View of the ATLAS experimental loop. KAERI, Korea}

The Advanced Thermal-hydraulic Test Loop for Accident Simulation (ATLAS) Project was referenced in The Fukushima Daiichi Nuclear Power Plant Accident...

PKL facility. Photo: FRAMATOME, Germany

The Experimental Thermal Hydraulics for Analysis, Research and Innovations in Nuclear Safety (ETHARINUS) project serves the objectives of investigating phenome...

PKL facility. Photo: FRAMATOME, Germany

The Primärkreislauf-Versuchsanlage (Primary Coolant Loop Test Facility [PKL]) is a facility owned and operated by Framatome GmbH (formerly AREVA NP) in Erlange...

The goal of the LOCA-MIR experiments is to study the behaviour of high burnup, gadolinia-doped fuel under design-basis LOCA conditions.

Photos: SFP testing. Left: fuel assembly after a Zr fire; right: fire ignition test. SNL/USNRC.

The goal of the Sandia Fuel Project was to provide experimental data relevant for hydraulic and ignitio...

Left: Scheme of Studsvik LOCA test facility Right: Microstructure of fragmented nuclear fuel, Studsvik

Cabri Reactor (Commissariat à l’énergie atomique et aux énergies alternatives)

The Cabri International Project (CIP) began in March 2000 to study the behaviour of nuclear fuel rods and cladding durin...

The Halden Reactor Project has been in operation at the Institute for Energy Technology (IFE) in Norway since 1958 and is the oldest NEA joint project. It brings together a large international techni...

NEA delegation was in Japan for a series of bilateral meetings and events with students.

NEA Director-General Magwood shares his forecast for the biggest developments and challenges in the nuclear energy sector in 2023.

Small modular reactors (SMRs) are nuclear reactors with power output less than 300 megawatts electric (MWe), with some as small as 1-10 MWe.

International experts gathered at the NEA for the commencement of the third phase TAF-ID on 16-17 February 2023.

The NEA Working Party on Information, Data and Knowledge Management discussed the topic of AI and data preservation during their third plenary meeting on 7-8 February 2023.

International Day of Women and Girls in Science 2023

NEA webinars explore a common understanding of optimisation as an approach to decision making.

The present report summarises the main results and learnings from the third phase of the NEA Behaviour of Iodine Project (BIP-3), which was conducted between 2016 and 2019 by the Canadian Nuclear Lab...

The NEA will organise the first International School on Simulation of Nuclear Reactor Systems (SINUS) on the topic of Reactor single- and multi-physics simulations based on Light Water Reactor (LWR) ...

The NEA in collaboration with the Japanese Nuclear Regulatory Authority (NRA) will host an international workshop on 28-29 June 2023 on the topic of Ageing management considerations in mechanical cod...

Phase III - “How to transparently implement and post-assess decisions for their holism, inclusiveness and sustainability?”

The International School of Nuclear Law (ISNL) is a two-week programme run annually by the NEA and the University of Montpellier and supported by the International Atomic Energy Agency (IAEA). Coveri...

Monte Carlo criticality calculations involve a two-step procedure based on a stochastic implementation of the power iteration method: first, achieve convergence of the fission source distribution dur...

The understanding of nuclear physics and the associated uncertainties is essential to the modelling of all nuclear systems. Nuclear reaction probabilities, emitted particle energies and angles, fissi...

This benchmark report has been compiled under the guidance of the NEA Working Party on Nuclear Criticality Safety (WPNCS) in the Subgroup on the Role of Integral Experiment Uncertainties and Covarian...

The NEA Expert Group on Used Nuclear Fuel criticality (EGUNF) organised a Phase IIB benchmark to re-examine code and nuclear data performance for BWR lattice calculations and focus on the depletion m...

Under the auspices of the NEA Nuclear Science Committee (NSC), the Working Party on Scientific Issues of Advanced Fuel Cycles (WPFC) was established to co-ordinate scientific activities related to ad...

Advanced nuclear fuel cycles to improve the safety, sustainability and economics of nuclear energy are being investigated worldwide. Partitioning and transmutation (P&T) is one of the candidate techn...

The International School of Nuclear Law (ISNL) Commemorative Brochure highlights the history, academics and unique features of the ISNL that contribute to the "Spirit of Montpellier". In addition, th...

Phase II - “How to balance competing aspects and interests (as defined by the prevailing circumstances) in decision making to reach holistic, inclusive and sustainable decisions?”

Phase I - “How to better formulate problems for holistic, inclusive and sustainable decision making?”

In order to reach a better understanding of countries’ different approaches to the evaluation of vibrations detected in piping systems and components, the NEA Committee on the Safety of Nuclear Insta...

The CRPPH has long served as a forum for exchange and co-operation, to establish best practices, contribute to the development of the key recommendations of the International Commission on Radiologic...

As part of the NEA Global Forum on Nuclear Education, Science, Technology and Policy, the Rising Stars Programme leverages the weight of the Agency and the academic institutions to build new pipeline...

The application period for the 2023 session is now open.

The application period closes on 31 March 2023.

Application Form 

NEA forms Women in Nuclear Global Chapter

The Joint Evaluated Fission and Fusion File (JEFF)  Nuclear Data Library Project is a collaboration between NEA Data Bank participating countries. The JEFF library combines the efforts of its differ...

The International Nuclear Law Essentials (INLE) is a one-week programme run by the NEA covering practical issues in international nuclear law.

Applications are closed 

Programme

The 2023 International Nuclear Law Essentials (INLE) programme will be conducted under the leadership of Paul Bowden, Honorary Professor of Law at the Nottingham La...

The transformative activity of mining has numerous economic, social and environmental impacts that can be both positive and adverse for communities, ecosystems and economies. As the uranium industry ...

Applications for the fifth session of the International Radiological Protection School (IRPS) are now open.

The 2023 edition of the IRPS is scheduled to take place in person in Stockholm, Sweden from...

The NEA organised a Workshop on Competency Management of regulators for the broad discussion of the challenges regarding the competency of regulators in the areas of radioactive waste management, dec...

Publié chaque année, le Rapport annuel de l’AEN présente un aperçu des activités et publications de l’AEN pour une année donnée, ainsi que les derniers développements du secteur de l’énergie nucléair...

The NEA event reviews the accomplishments of the joint safety projects.

Uranium is the primary source of fuel for nuclear power plants, which provides large-scale low-carbon baseload electricity for more than 30 countries around the world and is the world’s second larges...

The EGMUP Task Force on artificial intelligence and machine learning will design benchmark specifications to evaluate the performance of AI/ML in multi-physics modeling and simulation of reactor syst...

Dates: 3-7 April, 2023
Place: OECD Headquarters in Paris, France
Minimum enrollment required: 12 participants
Course fee: 1000 EUR

This 4.5-day interactive course is intended to give students a thorough...

Lead-cooled Fast Reactors (LFR) are rather new concepts which have gathered increasing international attention after the Generation-IV International Forum (GIF) selected them as promising candidates ...

Following a safety-oriented, stepwise procedure for geological repository siting, the Nuclear Waste Management Organization of Japan (NUMO) requested in 2021 that the NEA facilitate an independent in...

Under the guidance of the Nuclear Science Committee (NSC), the Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) studies the reactor physics, fuel performance, an...

Le Bulletin de droit nucléaire est une publication internationale unique en son genre destinée aux juristes et aux universitaires en droit nucléaire. Ses lecteurs bénéficient d’informations exhaustiv...

The three-day event was held at the ESIX University in Cherbourg, France with 15 female university and graduate students. 

Organised in collaboration with the Ministry of Climate and Environment of Poland, the conference gathered stakeholders in Warsaw on 8 December.

Since its inception, the NEA has provided a highly flexible and powerful platform for multinational research co-operation, particularly in areas related to providing understanding and insights needed...

The NEA Second Framework for Irradiation Experiments (FIDES-II) supports the fuel and material experimental needs of nuclear safety regulators, technical support organisations, research institutions ...

The NEA will hold the Third Stakeholder Involvement workshop to advance the issue of optimisation in decision making on 5-7 September 2023, in close co-operation with all interested NEA Standing Tech...

In the aftermath of the Fukushima Daiichi accident in March 2011, nuclear regulators, industry organisations, and operating companies across the globe began the process of understanding the lessons l...

The NEA Risk Communication Training Course was held on 7-9 December 2022 in Bratislava where participants heard from and engaged with communication experts and technical professionals working in nucl...

The NEA hosted the 32^nd meeting of the ISOE Management Board.

Robotics and remote systems (RRS) are essential technologies for work in the radiation environments typically encountered in the nuclear back-end, such as in radioactive waste management and decommis...

The EGRRS supports NEA member countries to optimise the development of national radioactive waste management and decommissioning programmes through the application of robotic and remote systems.

This structural materials Joint Experimental Program (JEEP) is aimed at developing the capability to perform a variety of in-core mechanical testing measurements.

The aim of this report is to examine whether there are any international variations in the electrical power system designs (“design variations”) of nuclear power plants that affect the system respons...

The Convention on the Establishment of a Security Control in the Field of Nuclear Energy ("Security Control Convention") and the Protocol on the Tribunal established by the Security Control Conventio...

The Nuclear Law Committee (NLC) established the Working Party on the Legal Aspects of Nuclear Safety (WPLANS) in 2016 to support the NEA’s efforts to strengthen its work in the nuclear safety area.

The WPLDF was established to identify and address issues of application of the nuclear liability regimes to deep geological repositories (DGRs) and other radioactive waste disposal facilities. 

The Nuclear Law Committee (NLC) is a highly focused group of specialists designated by the NEA member countries, comprising lawyers, policy makers, academics and from time to time, technical experts....

As a low-carbon electricity source, nuclear energy has a role to play in global climate change mitigation efforts.

With an electricity system defined by high shares of hydropower, large capacity for interconnection with its neighbours and low carbon intensity, Switzerland is well positioned to attain its objectiv...

Hydrogen is expected to play important roles in decarbonised energy systems, as an energy source for otherwise hard-to-electrify sectors as well as a storage vector to enhance power system flexibilit...

Pierre Strohl, former Deputy Director-General of the NEA, has passed away.

Realising the contribution of nuclear energy to achieving net zero carbon emission in 2050 will require raising significant amounts of capital at competitive rates. On the basis of work under the aeg...

NEA’s Working Party on the Technical, Environmental, and Safety Aspects of Decommissioning and Legacy Management gathered for a workshop on  29 November to 1 December 2022 in Paris. 

Attaining net zero carbon emissions by 2050 will require financing and developing significant capacity of new nuclear power generation in the coming years and decades. To facilitate this process, the...

On 2-4 November, the NEA Working Group on Human and Organisational Factors (WGHOF) held its 32^nd biennial meeting at the Nuclear Energy Agency headquarters in Paris, France.

Second Workshop on International Harvesting Co-operation focused on the status of aged metals harvesting and opportunities for international collaborative research.

The NEA took part in the ENEN2plus project which aims to address the key challenges of energy security and climate change through training and education on the occasion of the 80th anniversary of the...

Courses were held in November 2022 in paris, France.

The 12th International Conference on Nuclear Criticality Safety (ICNC) will be held in Sendai, Japan on 1-6 October 2023. Twenty years after the last conference in Japan, which was held in Tokai-mura...

The Working Group on the Radiological Protection Aspects of Decommissioning Activities at Nuclear Power Plants (WGDECOM) holds its 12^th meeting in Germany

The 2021 edition contains data from 169 experimental series that were performed at 57 nuclear facilities.

Image source: KKG

As one of the NEA member countries with the lowest carbon emissions, Switzerland is well positioned to achieve its objective of net zero carbon emissions by 2050. The main features ...

- Registration for the 2022 course is closed -

This training course focused on communicating risk on a daily basis. Its aim was to improve the effectiveness of risk communication in order to enhance ...

The FSC workshop participants discussed best practices for community and youth engagement around the topic of radioactive waste disposal.

Gender balance policy framework approved

NEA article from the Nuclear-Hydrogen Digest: Nuclear Energy in the Hydrogen Economy, published by NICE Future and the NEA.

Community and industry come together to workshop radioactive waste management strategies

The COP27 NEA delegation were at the forefront of several discussions on the pathways that nuclear energy can offer to reduce carbon emissions.

The Integration Group for the Safety Case (IGSC) was established in 2000 by the OECD Nuclear Energy Agency (NEA) Radioactive Waste Management Committee (RWMC) in recognition of the need for continued...

Two new reports from the WGFS highlight the latest developments in RIA research.

A delegation led by NEA Director-General William D. Magwood, IV attended the conference on 26-28 October 2022.

Nuclear emergency planning, response and recovery

The NEA Working Group on Safety Culture (WGSC) gathered delegates for its biannual meeting on 18-20 October 2022.

^{Figure 1: Generation IV International Forum [gen-4.org]}

The Nuclear Energy Agency (NEA) and Natural Resources Canada (NRCan) organised an international workshop on the implementation of radioactive w...

The CDLM assists member states in holistically addressing challenges in the execution of decommissioning and legacy management through sharing experiences among members with a broad range of expertis...

MeshTal Viewer user manual

The new task force will explore radiological protection and publich health challenges of SMRs.

The event examines how nuclear safety culture is affected by the national cultural context of the country operating a nuclear facility. It brings together experts representing both the nuclear indust...

Around 90 radiological protection professionals and researchers, representing regulators, research institutions and government entities from NEA member countries and beyond, joined Preparedness for P...

In the ASCET Phase III, the goal was to assess and develop the Phase II (blind benchmark) recommendations using additional test results. The Phase III simulations were performed using a full set of t...

JANIS (Java-based nuclear information software) is an application designed to facilitate the visualisation and manipulation of nuclear data. JANIS will be helpful to engineers and physicists who use ...

^{Picture: ANSTO}

The in-person registration to attend this event is now closed. Interested participants can still register to join the event virtually through the link above.

The NEA Working Party on T...

Since 2001, the NEA has supported the Senior Expert Group on Safety Research Thermal-hydraulics (SETH), the Primärkreislauf-Versuchsanlage - Primary Coolant Loop Test Facility (PKL), PKL-2 and PKL-3 ...

The 2021 edition can be downloaded online.

Principles and Practice of International Nuclear Law examines the various interrelated legal issues for the safe, efficient and secure use of nuclear energy. It provides an overview of the complex bo...

The International Criticality Safety Benchmark Evaluation Project (ICSBEP) Handbook contains criticality safety benchmark specifications that have been derived from experiments that were performed at...

The primary purpose of the International Criticality Safety Benchmark Evaluation Project (ICSBEP) is to compile critical and subcritical benchmark experiment data into a standardised format that allo...

NEA Steering Committee for Nuclear Energy biannual meeting took place on 20-21 October 2022.

Nuclear Fuel Cycle Facilities Safety Week

FIDES-II members hold meeting at Idaho National Laboratory

The International Handbook of Evaluated Reactor Physics Benchmark Experiments (IRPhE) contains reactor physics benchmark specifications that have been derived from experiments that were performed at ...

High-temperature gas-cooled nuclear reactors are one of the next generation reactor designs. This benchmark consists consists in a multi-staged code-to-code-to-data thermal hydraulics code validation...