NEA projections show that in order to successfully achieve net zero by 2050, nuclear energy capacity will need to at least double and potentially triple compared to today. As a result, the topic of n...

The Task Force on Dose Rate Calculations for Irradiated Fuel Assembly was launched in 2015 to assess code predictions of dose rates from bare spent fuel assemblies and to benchmark multiple codes and...

The goal of the Nuclear Energy Agency (NEA) Working Party on Nuclear Criticality Safety (WPNCS) Subgroup on Experimental Needs for Criticality Safety Purposes (SG-5) was to highlight the needs of int...

The opening session of the Sixth International Conference on Geological Repositories (ICGR-6) in Helsinki, Finland. Photo: Krystal Kenney

There is consensus within the international scientific commun...

The NEA Working Group on the Analysis and Management of Accidents convened for its annual meeting to discuss ongoing work related to accident strategy and management.

More than 50 participants from 25 countries took part in the five-day course.

Nuclear Energy Agency Welcomes Assistant Secretary Huff’s Announcement on the United States’ Decision to Join the NEA Data Bank

The eighth instalment of the workshop on computational fluid dynamics for nuclear reactor safety (CFD4NRS-8) was organised by the Nuclear Energy Agency (NEA) Committee on the Safety of Nuclear Instal...

The main objectives of the Special International Nuclear Regulatory Inspection Workshop on Digital Instrumentation & Control (DI&C), which was jointly held by the Nuclear Energy Agency’s (NEA) Workin...

Date: 14-17 November 2023

A collective statement of the NEA Radioactive Waste Management Committee from 2014 states that maintaining records, knowledge and memory (RK&M) for a radioactive waste repository after its closure wi...

Experts attended NEA event in France.

The disposal of long-lived radioactive waste in a deep geological repository (DGR) is a scientifically and technically credible solution that meets the need for long-term safety without reliance on a...

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...

To celebrate the achievements of the Nuclear Education, Skills and Technology (NEST) Framework since its inception in 2019, the NEA will hold a virtual NEST Fellows Award Competition on 28 November 2...

The NEA launched the Nuclear Education, Skills and Technology (NEST) Framework in partnership with its member countries to help address important gaps in nuclear skills capacity building, knowledge t...

The WPTES aims to address technical, environmental and safety issues in the decommissioning of nuclear installations and legacy management.

ISNL 2023 gathered 60 graduate students and professionals from across the world.

The main mission of the Working Group on Human and Organisational Factors (WGHOF) is to improve the understanding and technical basis for treating human and organisational factors within the nuclear ...

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...

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

Burn-up credit is a safety approach that accounts for the reduction in the reactivity of configurations with spent nuclear fuel due to the change in their composition after irradiation.

The NEA Radioactive Waste Management Committee (RWMC) created the Ad-hoc Group on the Extended Storage and Transportation (AhGEST) in 2021. Following the work on these two topics, AhGEST presented it...

4-8 March 2024 

Apply now

Programme

The 2024 International Nuclear Law Essentials (INLE) programme will be conducted under the leadership of Paul Bowden, Honorary Professor of Law at the Nottingham L...

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...

The application period for the 2023 session is now closed.

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

38 OECD countries formally adopt the Recommendation of the Council on Improving the Gender Balance in the Nuclear Sector.

NEA Director-General William D. Magwood, IV was in Poland on 30-31 May 2023 for a series of meetings.

The NEA co-organised the International Workshop on Disruptive Technologies for Nuclear Safety Applications on 16-17 May 2023 in Jeju, Korea.

FACE project members met on 28-30 June 2023 in Paris, France.

International Nuclear Law Essentials course

NEA organises a mentoring workshop in the United Kingdom on International Women's Day.

NEA delegation participates in discussions at the Regulatory Information Conference in Washington D.C.

International Day of Women and Girls in Science 2023

NEA forms Women in Nuclear Global Chapter

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.

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

The main decision body of the NEST Framework is the Management Board which includes one member and one alternate from each NEST Country.

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...

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...

^{Spent nuclear fuel repository site, Olkiluoto, Finland. Photo: Kallerna.}

Introduction

The Sixth International Conference on Geological Repositories (ICGR) took place in Helsinki, Finland from 4-8 A...

There is a consensus in the international community that geological repositories provide the necessary long-term safety and security to isolate long-lived radioactive waste. However, despite the tech...

NEA Working Group on Analysis and Management of Accidents (WGAMA) initiated this activity focusing on computational fluid dynamics (CFD) in nuclear reactor safety (NRS).

The scope of the proposed project is therefore to perform practical exercises of demonstration of the SAPIUM approach.

A CRPPH's task force to provide a high-level analysis report on radiological protection challenges related to the deployment of SMRs. 

The International Framework for Nuclear Energy Cooperation (IFNEC) will host its first Ministerial Conference since the COVID-19 pandemic on 1-3 November 2023. Organised in co-operation with the Ghan...

While the ongoing war in Ukraine has not thus far resulted in any major radiological threats to public health and safety, it is the first time in history that a country with significant nuclear and r...

Please note that this report was initially published in November 2022 (NEA/NSC/R(2022)3) under erroneous benchmark number IIB; in this updated version (NEA/NSC/R(2022)3/CORR) this has been corrected ...

Optimisation has always been a fundamental concept in decision making for all parts of society, but the way decisions are taken has changed in recent years. Societal considerations towards nuclear-re...

The NEA organised 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) Unce...

The 2023 edition of the IRPS took place in person in Stockholm, Sweden from 14-18 August 2023, in co-operation with the Swedish Radiation Safety Authority (SSM) and the Centre for Radiation Protectio...

The OECD Nuclear Energy Agency (NEA), Idaho National Laboratory, and International Atomic Energy Agency (IAEA) co-organised the Sixth International Workshop on Structural Materials for Innovative Nuc...

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

TCOFF Phases

First Phase (2017-2020)

The Thermodynamic Characterisation of Fuel Debris and Fission Products ...

Scheme of the ROSA LSTF facility, JAEA

The Rig-of-safety Assessment (ROSA) Project aimed to resolve issues in thermal-hydraulics analyses relevant to light water reactor (LWR) safety using the Japa...

Irradiation Vessel with Coupons, CNL

The NEA Behaviour of Iodine Project (BIP) was created to provide separate effects and modelling studies of iodine behaviour in a nuclear reactor containment bui...

PANDA vessel assembly (construction phase, 1993), PSI.

The PANDA project is a follow-up of the HYMERES-2 project, and its general objective is to advance the knowledge on the containment of thermal...

Scheme of the DIVA Facility, IRSN

The Fire Risk Assessment through Innovative Research Project is a follow-up of the PRISME project series which addresses new fire scenarios and new topics of inter...

The Nuclear Law Bulletin is a unique international publication for both professionals and academics in the field of nuclear law. It provides readers with authoritative and comprehensive information o...

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

Current status and future actions to ensure the reliable supply for molybdenum-99 (⁹⁹Mo), and a conversation on a new generation of innovative radioisotopes for diagnostics and therapy

The NEA will h...

The objective of the NEA THAI-3 project was to address open questions concerning the behaviour of hydrogen, iodine and aerosols under severe accident conditions in the containment of water cooled rea...

The WPMO addresses management and organisational issues for decommissioning of nuclear installations and legacy management projects.

The HDCS will develop a holistic process for decision making and provide guidelines to allow an integral progression from recognition to resolution, to support the decommissioning and management of c...

The seventh edition of the annual NEA Thermochemical Database (TDB) Project course on the topic of thermodynamic data collection and assessment will take place as a one-day, in-person event on 23 Sep...

French Ministry for Energy Transition and OECD Nuclear Energy Agency to hold joint conference in Paris.

The EGCDL will address costing issues for decommissioning of nuclear installations and legacy management as a level three expert group.

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.

In May 2022, the Forum on Stakeholder Confidence (FSC) and the Integration Group for the Safety Case (IGSC) held a Joint Workshop with stakeholders from Germany, Sweden and Switzerland to assess the ...

Nuclear Energy Agency welcomes the United States' decision to join the NEA Data Bank

Applications for the Nuclear Risk Communication Training Course (RCTC) are now closed.

Following the first edition of the Nuclear Risk Communication Training Course, the NEA will host the 2023 sessio...

The NEA is organising the 16^th Information Exchange Meeting on Actinide and Fission Product Partitioning and Transmutation (16IEMPT) on 24-27 October 2023. The meeting will be held at the NEA offices...

The NEA participated in the 14th Clean Energy Ministerial in Goa, India.

The NEA workshop gathered experts to discuss the challenges and opportunities related to the demise of zero power reactors.

The NEA Working Party on Nuclear Criticality Safety (WPNCS) held its bi-annual meetings in June 2023

Co-organised with the UK Atomic Energy Authority, the course took place on 20-22 June 2023.

Benchmarking the progress of SMRs continues with the release of the NEA SMR Dashboard: Volume II. 

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...

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...

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

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

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

The Nuclear Law Committee (NLC) established the Working Party on Nuclear Liability and Transport (WPNLT) in 2016 to address the practical challenges related to the nuclear liability regime(s) applica...

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...

The Forum on Stakeholder Confidence (FSC) was established by the NEA Radioactive Waste Management Committee (RWMC) in 2000 and serves as a platform for understanding stakeholder dialogue and discussi...

The Expert Group on a Data and Information Management Strategy for the Safety Case (EGSSC) shall address activities that help RWMOs to describe and better understand the data and information they hol...

TCOFF-2 members discuss future activities.

The number of nuclear reactors approaching decommissioning, or already in the process of decommissioning, is increasing globally. Planning and performing decommissioning and dismantling activities ra...

The NEA High-level Group on Low-Dose Research (HLG-LDR) met on 27-28 June 2023.

The overall objective of the High-level Group on Low Dose Research (HLG-LDR) is to support radiological protection policy, regulation and implementation choices by improving the effectiveness and eff...

The Nuclear Law Bulletin is a unique international publication for both professionals and academics in the field of nuclear law. It provides readers with authoritative and comprehensive information o...

In the early decades of nuclear reactor development, many countries built and operated zero-power facilities in which many different critical arrangements of materials were studied. These flexible ex...

The NEST Secretariat monitors the progress of the different NEST Projects, supports the Management Board in the Monitoring and Evaluation process and provides the interface between the NEST Projects ...

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

Deadline for submission of abstracts       31 July 2023  (extended) 

Notification of accepted contributions      17 August 2023

Deadline for attendance registration          27 Oct 2023      

Deadline for presentation submiss...

NEA DB Services to non-NEA DB countries

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...

This report from the NEA Working Group on Human and Organisational Performance establishes a common understanding around the terms human performance (HP), organisational performance (OP), and human a...

The cold leg mixing computational fluid dynamics (CFD) – uncertainty quantification (CLM-UQ) benchmark is the fifth benchmark concerning CFD applications to nuclear reactor safety to be organised in ...

The Symposium is free of charge for all participants and is scheduled to take place in person at the ONR’s offices near Liverpool in the United Kingdom. 

Key Dates

Within the context of the Nuclear Energy Agency (NEA) Advanced Thermal-hydraulic Test Loop for Accident Simulation (ATLAS) project, a series of tests were performed to resolve key thermal-hydraulic s...

NEA delegation led by Director-General Magwood was in Romania for a series of meetings and to co-host a workshop.

- 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 workshop on the Approaches to design, implementation and operation of electrical systems for beyond design basis equipment and management of geomagnetically induced currents in electrical systems...

Many African countries are considering nuclear energy in their plans to increase electricity supply while reducing emissions. As part of the Summit for a New Global Financing Pact the OECD Nuclear En...

Supporting the use of computational fluid dynamics for nuclear reactor safety

Innovations in nuclear safety thermal-hydraulics

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 annual WPRS Benchmarks Workshops took place on 22-26 May 2023 in Bologna, Italy.

The NEA gathered nuclear law experts for meetings in June 2023.

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...

10-year FIDES-II strategic plan will define key research needs in a variety of technical disciplines.

NEA Director-General

Kick-off workshop of the thermal hydraulic code validation benchmark for high temperature gas-cooled reactors using High Temperature Test Facility (HTTF) data.

Around 50 delegates from 22 countries and 2 international organisations gathered on 6-7 June 2023 for the 73rd CSNI meeting.

CNRA met to discuss its new structure and future activities.

The first International School on Simulation of Nuclear Reactor Systems (SINUS) took place on 22-23 May 2023.

WPFM held meetings on 23-25 May 2023.

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

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 ...

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 ...

In capacity building and gender balance, a key goal is to attract and retain more women in the technology and science fields by promoting education and development in those areas.

This Global Forum Working Group focuses on activities to increase the number of women in the nuclear field.

Nuclear Law Education Resources

The NEA participated in the European Nuclear Young Generation Forum in Krakow, Poland, an international platform for collaboration between the nuclear sector and the next generation.

Focused on recent progress and challenges for nuclear financing, the virtual event concluded a series of six webinars dedicated to nuclear financing organised this year.

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

The NEA held its first Indigenous International Mentoring Workshop for female students in Ontario on 7-10 May 2023.

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 was held on 16-17 May...

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...

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. 

In the current project, a new systematic approach has been developed, called SAPIUM (systematic approach for input uncertainty quantification methodology) for transparent and rigorous model IUQ. This...

The publication of the latest EGIR report marks the completion of phase one of the group's programme of work.

The INEX-5 exercises series were developed in 2013-2014 and were conducted between September 2015 and June 2016. The preliminary analysis of the INEX-5 evaluation questionnaires, as well as details o...

INEX-6 will be the largest exercise in over 20 years.

The Global Forum Secretariat works with the Global Forum to provide support to the Council of Advisors to make products available to the Agency’s bodies and projects as appropriate. The Secretariat a...

Members of the WGHOF gathered in Vantaa, Finland, for its 33rd meeting.

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...

Presentation of NEST Fellows

The working groups are comprised of experts from primarily academic institutions and other relevant stakeholders from NEA member and non-member countries.   

Co-Chair: Raul Barrachina (left), National Atomic Energy Commission and Kenichi Ishikawa (right), University of Tokyo

Co-Chair: Emanuela Colombo (left), Politecnico di Milano and Edward Obbard (right), The University of New South Wales Sydney (UNSW)

Co-Chair: Ian Farnan (left), University of Cambridge and Man-Sung Yim (right), Korea Advanced Institute of Science and Technology (KAIST)

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

A list of NEST events, conferences, workshops and summer schools organised in the context of ongoing NEST projects.