The NEA hosted its second annual global nuclear science and engineering commencement on 4 June 2021 to celebrate and recognise the accomplishments of the graduating classes of 2021.
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8 June 2021
Future decommissioning and radiological waste management experts gathered at the Aachen Institute for Nuclear Training in Stolberg, Germany.
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3 October 2022
The International School of Nuclear Law returns to the University of Montpellier
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9 September 2022
The Joint Evaluated Fission and Fusion (JEFF) Nuclear Data Library is a collaboration between NEA Data Bank member countries. The JEFF library combines the efforts of its different Working Groups to ...
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28 May 2020
The joint evaluated fission and fusion nuclear data library, JEFF-3.3
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5 August 2020
The Uranium group's primary area of work is producing the biennial publication of the Red Book.
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4 February 2021
The Nuclear Energy Agency (NEA) hosted an expert roundtable discussion on 29 July 2021 to present and discuss findings from a new report on the role of nuclear long-term operation (LTO) in decarbonis...
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5 August 2021
Approximately 60 participants representing 20 academic institutions from NEA member countries and international organisations and networks met on 23 April 2021 for the first formal meeting conducted ...
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19 May 2021
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...
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7 February 2023
The Nuclear Energy Agency's High Priority Nuclear Data Request List (HPRL) is a compilation of the highest priority nuclear data requirements.
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4 December 2019
NEA Nuclear Education, Skills and Technology (NEST) Framework Management Board meeting, 16-18 September 2020.
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9 October 2020
The NEA hosted an expert roundtable discussion on 8 October 2021 to reflect on twenty years of Regulators' Forum (RF) work and trace the evolution of the roles and responsibilities of nuclear safety ...
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25 October 2021
Small modular reactors (SMRs) are nuclear reactors with power output less than 300 megawatts electric (MWe), with some as small as 1-10 MWe.
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21 October 2022
The NEST Management Board met virtually on 9-10 March 2021 to discuss the ongoing progress made in six NEST Projects and the challenges posed to NEST activities by the ongoing COVID-19 pandemic.
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22 March 2021
An NEA delegation led by Director-General William D. Magwood, IV visited the Netherlands to meet with government and industry representatives.
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26 April 2023
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4 November 2020
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.
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24 February 2023
NEA workshop in Ottawa, Canada, which convened government and private sector, explored the economic status of SMRs and their role in the transition to a low-carbon energy future.
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26 March 2024
New NICE Future Initiative report, Flexible Nuclear Energy for Clean Energy Systems. Photo: Romolo Tavani/Shutterstock.
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15 September 2020
The NEA is examining the regulatory and operational impacts of the crisis, and working closely with its members to enable exchanges of policy approaches and best practices around the world.
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28 July 2020
The Coronavirus (COVID-19) pandemic has had significant impacts on the global economy and energy sector. It has also underlined the importance of electricity reliability and resilience during major d...
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24 June 2020
NEA article from the Nuclear-Hydrogen Digest: Nuclear Energy in the Hydrogen Economy, published by NICE Future and the NEA.
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20 September 2022
NEA Director-General William D. Magwood, IV explains how an energy mix that includes nuclear power can help achieve global climate change goals.
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13 December 2021
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5 May 2020
The sixth International Nuclear Emergency Exercise (INEX-6)
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1 March 2021
The NEA held its 142nd Steering Committee meeting in October 2021.
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4 November 2021
The NEA’s ruling body the Steering Committee for Nuclear Energy met for its143rd biannual meeting in April 2022.
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27 April 2022
The Working Group on Reactor Oversight (WGRO) works to provide a mechanism for nuclear safety regulators and Technical Support Organisations (TSOs) to share their knowledge and experience on both, th...
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30 November 2023
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...
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19 July 2023
Thermal hydraulics and mechanics deals with the physics and mechanics of the flow and energetic transfer of liquids, and its interactions with the structures around them in large complex systems, suc...
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10 December 2020
To ensure that the TDB reviews maintain consistency and a high level of quality, the review work is performed according to guidelines, which describe the details of the review work.
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28 November 2019
To ensure that the TDB reviews maintain consistency and a high level of quality, the review work is performed according to guidelines, which describe the details of the review work.
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28 November 2019
The Thermochemical Database (TDB) Project develops a reference database of chemical thermodynamic values for elements and compounds relevant to the safety of radioactive waste repositories and vital ...
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26 April 2024
A comprehensive, internally consistent, quality-assured and internationally recognised chemical thermodynamic database of selected chemical elements in order to meet the specialised modelling require...
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28 November 2019
Preparatory meeting for Thermodynamic Characterisation of Fuel Debris and Fission Products Based on Scenario Analysis of Severe Accident Progression at Fukushima Daiichi Nuclear Power Station (TCOFF)...
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27 May 2021
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...
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17 April 2023
The page contains tips for using search on the NEA website.
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6 November 2020
U-Zr-O system miscibility gap in the liquid state. Source: Guéneau et al. Journal of Nuclear Materials 254 (1998), 158-174.
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5 May 2020
The NEA launched an initiative together with the Poland’s Ministry of Climate and Environment and the International Framework for Nuclear Energy Cooperation (IFNEC) to collaborate on issues of common...
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27 January 2021
The joint NEA/IAEA Uranium Group held its 57th meeting virtually on 3-5 November 2021.
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12 December 2021
The NEA proposes a wide range of online and in-person courses and initiatives in nuclear-related fields.
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23 January 2024
NEA Data Bank training courses on state-of-the-art computer codes
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17 December 2020
NEA Data Bank PENELOPE training session, February 2020, Barcelona, Spain
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6 December 2019
NEA Data Bank PENELOPE training session, February 2020, Barcelona, Spain
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18 November 2019
NEA Data Bank PENELOPE training session, February 2020, Barcelona, Spain
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4 March 2020
The NEA Data Bank organised a PENELOPE training course at the University of Barcelona in Spain on 11-15 July 2022
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1 August 2022
Co-organised with the UK Atomic Energy Authority, the course took place on 20-22 June 2023.
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24 July 2023
The first International School on Simulation of Nuclear Reactor Systems (SINUS) took place on 22-23 May 2023.
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14 June 2023
International Radiological Protection School (IRPS) Advisory Board meeting, 25 May 2021.
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28 May 2021
Treated water currently stored at the Fukushima Daiichi Nuclear Power Station: Message from Director-General Magwood
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13 April 2021
The NPT aims to prevent the spread of nuclear weapons and weapons technology (non-proliferation), to promote co-operation in the peaceful uses of nuclear energy (peaceful uses) and to further the g...
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27 October 2023
Aims to prohibit all nuclear weapon activities, including the development, testing, production, acquisition, possession, stockpiling, use, or threats to use nuclear weapons.
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24 January 2024
TVA Watts Bar Unit 1 Multi-Physics Benchmark
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19 July 2022
Information note on nuclear power installations in Ukraine, updated periodically.
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12 April 2024
New NEA-UK programme to bring Ukrainian nuclear energy experts to the Agency.
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5 October 2023
NEA Clay Club annual meeting, 23 September 2020.
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9 October 2020
The NEA is helping Japan and the wider international community better understand the accident at the Fukushima Daiichi nuclear power plant and the site’s current status.
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16 February 2022
National legislation: United Kingdom
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19 September 2023
Nuclear legislation: United States
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19 September 2023
NEA Committee on Radiological Protection and Public Health (CRPPH) annual meeting, 9-11 September 2020.
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9 October 2020
The Generation IV International Forum (GIF) held its semi-annual Policy Group meetings from 18 to 28 October 2021 to review and discuss its ongoing work and activities.
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4 November 2021
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4 November 2020
Rules for updating a program distributed by the NEA Data Bank
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16 April 2020
Uranium is the raw material used for nuclear energy generation. It is mined and further processed to make up the highly engineered fuel that is used in nuclear reactors.
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28 November 2019
The "Red Book", is a biennial publication produced jointly by the NEA and the IAEA under the auspices of the joint NEA/IAEA Uranium Group. It is the only government-sponsored publication tracking wor...
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15 February 2021
Uranium is the raw material used to produce fuel for nuclear power plants and refers to the global markets study of its supply and demand.
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25 February 2020
Joint NEA/IAEA Group on Uranium meeting, 4‑6 February 2020
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4 March 2020
Criticality is the state of a nuclear reactor when there is a self-sustaining chain reaction of fissionable material. Used or spent fuel criticality is associated with the scientific issues around as...
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24 March 2020
NEA Task Group on Improving the Gender Balance in the Nuclear Sector met to make progress on a forthcoming report on gender balance in the nuclear sector.
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28 June 2022
The NEA is organising series of webinars to explore the use of disruptive technologies in nuclear applications and discuss the future shape of nuclear safety systems.
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31 March 2021
The Vienna Convention establishes a nuclear liability and compensation regime similar to that provided for under the Paris Convention. The Vienna Convention is open to any state.
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26 April 2024
As the NEA continues to adapt to the new way of working, "virtual missions" are being organised with member countries and key partners.
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18 September 2020
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16 June 2021
Virtual Stakeholder Confidence Workshop on the Decommissioning of Nuclear Facilities in the United Kingdom, 16 September 2020.
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9 October 2020
The overall objective of the VVER-1000 Coolant Transient (V1000CT) Benchmark was to assess computer codes used in the safety analysis of water-water energetic reactor (VVER) power plants, specificall...
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2 August 2022
Human aspects of nuclear energy and waste management were in focus during a recent mission to the US at the Waste Management Symposia in Arizona and the US Nuclear Regulatory Commission's 36th Annual...
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29 March 2024
This workshop series will bring together experts from the nuclear energy, sustainability and financing sectors to discuss approaches for financing sustainable, large infrastructure projects with a fo...
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21 October 2020
On 1 January 2021, Bulgaria became the 34th member of the OECD Nuclear Energy Agency (NEA) and its Data Bank. On the occasion of this accession, a special ceremony was held online today to welcome Bu...
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19 January 2021
In the framework of the WGAMA/WGFS activity "Status Report on Good Practices for Analyses of Design Extension Condition without Significant Fuel Degradation (DEC-A) for Operating Nuclear Power Plants...
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20 December 2023
JANIS software description
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11 December 2023
NEA work on improving gender balance in the nuclear energy sector
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8 March 2022
On the occasion of International Women's Day Friday 8 March, the NEA asked women what they most enjoy about working in the nuclear sector.
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8 March 2024
Working Party on Scientific Issues of Advanced Fuel Cycles (WPFC) meeting, 8 June 2021.
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30 June 2021
The Working Group on the Analysis and Management of Accidents (WGAMA) focuses on the NEA activities related to potential design-basis and beyond design-basis accidents in nuclear reactors and related...
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20 December 2023
The Working Group on Codes and Standards (WGCS) aimed to facilitate and promote international co-operation, convergence and reconciliation of codes, standards and regulatory requirements for pressure...
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19 February 2024
The Working Group on Digital Instrumentation and Control (WGDIC) promoted harmonisation and improvements in nuclear safety through the development of regulatory guidance to address digital instrument...
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16 February 2024
The main mission of the Working Group on the Safety of Electrical Systems (WGELEC) is to advance the current understanding and address safety issues related to electrical systems of nuclear installat...
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16 February 2021
The main mission of the Working Group on External Events (WGEV) is to improve the understanding and treatment of external hazards that would support the continued safety performance of nuclear instal...
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10 February 2022
The objective of the Working Group on Fuel Cycle Safety (WGFCS) is to advance the understanding of relevant aspects of nuclear fuel cycle safety, including: uranium mining and milling; uranium refini...
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4 October 2022
The main mission of the Working Group on Fuel Safety (WGFS) is to advance the current understanding and address cross-cutting issues related to fuel behaviour in accident conditions, including work o...
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5 April 2023
This working group's objective was to advance the current understanding and to address safety issues related to fuel safety margins, in particular to systematically assess the technical basis for cur...
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29 April 2020
The main mission of the Working Group on Human and Organisational Factors (WGHOF) is to improve the understanding and treatment of human and organisational factors within the nuclear industry in orde...
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21 March 2024
The purpose of the WGIP was to facilitate the exchange of information and experience related to regulatory safety inspections among NEA member countries.
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19 February 2024
The main mission of the Working Group on Integrity and Ageing of Components and Structures (WGIAGE) is to advance the current understanding of the relevant aspects related with ensuring the integrity...
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10 August 2022
The WGLSC is responsible for supporting and advising the Committee on Nuclear Regulatory Activities (CNRA) in carrying out its programme of work in areas related to leadership and safety culture.
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16 February 2024
The WGNT is responsible for supporting and advising the Committee on Nuclear Regulatory Activities (CNRA) in carrying out its programme in work areas related to new technologies.
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21 November 2023
The main objective of the NEA Working Group on Operating Experience (WGOE) was to improve nuclear safety by sharing operating experience and knowledge.
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19 February 2024
The Working Group on Policy and Licensing (WGPL) is responsible for supporting and advising the Committee on Nuclear Regulatory Activities (CNRA) in carrying out its programme of work in areas relate...
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16 February 2024
The Working Group in Public Communication of Nuclear Regulatory Organisations (WGPC) provided a forum for nuclear regulatory organisation communicators and outreach officers to exchange information, ...
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16 February 2024
The Working Group supports improved uses of Probabilistic Safety Assessment (PSA) in risk-informed regulation and safety management through the analysis of results and the development of perspectives...
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13 March 2024
The CNRA believes in the importance of having a working group dedicated to safety culture. The Working Group on Safety Culture (WGSC) provided a senior level regulatory forum for exchanging informati...
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19 February 2024
The Working Group on Supply Chain (WGSUP) works to provide a mechanism for nuclear safety regulators and technical support organizations (TSOs) to share their knowledge and experience on regulatory a...
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1 December 2023
The Clay Club promotes the exchange of information, shared approaches and methods to develop and document an understanding of clay media as a host rock for a repository.
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16 November 2021
The Working Group on the Regulation of New Reactors (WGRNR) examined the regulatory issues of the siting, licensing and regulatory oversight for all new commercial nuclear power reactors. The WGRNR f...
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19 February 2024
The working group will be responsible for the programme of work in the CNRA regarding regulatory activities in the primary area of advanced reactors and associated installations. The term “advanced r...
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2 April 2020
The working groups are comprised of experts from primarily academic institutions and other relevant stakeholders from NEA member and non-member countries.
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25 May 2023
Ongoing Working Parties and Expert Groups
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30 June 2020
The Working Party on Boiling Water Reactors (WPBWR) covered all boiling water reactors, including advanced boiling water reactors (ABWRs) and the Economic Simplified Boiling Water Reactor (ESBWR).
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19 February 2024
The WP-IDKM supports member countries to tackle problems in managing and preserving information, data and knowledge of radioactive waste and decommissioning over generations.
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15 January 2021
The NEA's nuclear data evaluation co-operation activities involve the following evaluation projects: ENDF (United States), JENDL (Japan), ROSFOND/BROND (Russia), JEFF (other Data Bank member countrie...
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28 August 2023
The WPMO addresses management and organisational issues for decommissioning of nuclear installations and legacy management projects.
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28 August 2023
Under the guidance of the Nuclear Science Committee (NSC), the Working Party on Materials Science Issues in Nuclear Fuels and Structural Materials (WPFM) addresses materials science aspects of nuclea...
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1 June 2023
The Working Party on Multi-scale Modelling of Fuels and Structural Material for Nuclear Systems (WPMM) was established to deal with the scientific and engineering aspects of fuels and structural mate...
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6 December 2023
The Working Party on Nuclear Criticality Safety (WPNCS) deals with technical and scientific issues relevant to criticality safety. Specific areas of interest include (but are not limited to) investig...
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28 March 2024
Over its 25 years of existence, the working party has contributed many topics and has led advances in criticality safety studies.
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28 July 2022
The mission of the CRPPH Working Party on Nuclear Emergency Matters (WPNEM) is to improve nuclear emergency management systems within member countries, and to share its knowledge and experience widel...
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17 November 2023
The WPNE's objective is to collect and compile information and conduct analyses and assessments on all economic aspects of nuclear energy.
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20 February 2020
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.
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5 March 2024
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...
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5 March 2024
The Working Party on Scientific Issues and Uncertainty Analysis of Reactor Systems (WPRS) studies the reactor physics, fuel performance, and radiation transport and shielding in present and future nu...
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21 December 2023
The Working Party on Scientific Issues of Advanced Fuel Cycles (WPFC) studies advanced nuclear fuel cycles, including fuel cycle scenarios, innovative fuels and materials, separation chemistry, waste...
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8 February 2024
The WPTES aims to address technical, environmental and safety issues in the decommissioning of nuclear installations and legacy management.
Published date:
12 September 2023
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.
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5 March 2024
Workshop on the Adequacy of Funding Arrangements for Decommissioning and Radioactive Waste Management, 17-18 September 2020.
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9 October 2020
The mission of the Expert Group of Shielding aspects of Accelerators, Targets and Irradiation Facilities (SATIF) has been completed. Its work initiated the SATIF workshops which keep on serving as in...
Published date:
5 March 2024
The World Nuclear Association has today signed a Memorandum of Understanding (MoU) with the OECD Nuclear Agency at a ceremony in London.
Published date:
6 September 2019
Uranium 2020: Resources, Production and Demand
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23 December 2020
The expert group is responsible for managing the activities related to the High Priority Request List (HPRL) for nuclear data, in particular for guaranteeing that the entries are up-to-date and well-...
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20 September 2022
The expert group was established to develop a nuclear data structure definition that can meet the needs of a broad set of nuclear data users and providers.
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20 September 2022
The Collaborative International Evaluated Library Organisation (CIELO) Pilot Project, working under the auspices of the WPEC Subgroup 40 (SG40), was established to generate complete evaluations for a...
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10 March 2020
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10 March 2020
WPEC Subgroup 47 (SG47) works in close coordination with other NEA activities such as WPRS Expert Group on Radiation Transport and Shielding (EGRTS), WPEC SG45, SG46, Collaborative International Eval...
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10 March 2020
Under the guidance of the Working Party on Scientific Issues of Advanced Fuel Cycles (WPFC), the Expert Group on Advanced Fuel Cycle Scenarios (EGAFCS) studies the needs associated with the transitio...
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25 January 2024
Under the guidance of the Working Party on Scientific Issues of Advanced Fuel Cycles (WPFC), the Expert Group on Fuel Recycling and Waste Technology (EGFRW) focuses on the separation processes releva...
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25 January 2024
The expert group monitored the feedback from version 0 of the Lead-bismuth eutectic (LBE) handbook, collected, analysed and checked the consistency of expected new results from ongoing heavy liquid m...
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28 February 2020
Under the guidance of the Working Party on Scientific Issues of Advanced Fuel Cycles (WPFC), the Expert Group on Innovative Fuel Elements (EGIFE) conducts joint and comparative studies to identify te...
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8 February 2024
The expert group conducts joint and comparative studies to support the development, selection and characterisation of innovative structural materials that can be implemented in advanced nuclear fuel ...
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28 February 2020
Under the guidance of the Working Party on Scientific Issues of Advanced Fuel Cycles (WPFC), the Expert Group on Reactor Coolants and Components Technology (EGCoCoT) undertakes activities to collect,...
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25 January 2024
The task force developed best practice guidelines by performing a benchmark study on thermo-hydraulic modelling of heavy liquid metal coolant, e.g. lead and lead-bismuth eutectic (LBE) alloy.
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28 February 2020
Under the guidance of the Nuclear Science Committee (NSC) and under the mandate of the Working Party on Multi-scale Modelling of Materials (WPMM), the scope of the Expert Group on Multi-scale Modelli...
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4 March 2020
Under the guidance of the Nuclear Science Committee (NSC) and under the mandate of the Working Party on Multi-scale Modelling of Fuels and Structural Materials for Nuclear Systems (WPMM), the objecti...
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5 March 2020
The main objectives of this expert group are to assess the limitations of the NRT-dpa standard, in the light of both atomistic simulations and known experimental discrepancies; and to revisit the NRT...
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5 March 2020
The objective of the Expert Group on Structural Materials Modelling (EGSMM) is to provide a critical review of the state-of-the-art concerning the use of a MMA to describe the changes induced by irra...
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5 March 2020
The objectives of the expert group are to assess the accuracy and calculation time of the various first principle tools applied in the assessment of the properties of the nuclear materials; assess th...
Published date:
5 March 2020
The OECD Nuclear Energy Agency (NEA) has just published a new report entitled Five Years after the Fukushima Daiichi Accident: Nuclear Safety Improvements and Lessons Learnt.
Published date:
29 February 2016