放射性廃棄物は、医療・産業・研究・発電など幅広い活動から発生する。このような廃棄物はすべて、人の健康と環境の保護を最優先して安全に管理しなくてはならない。何十年にも及ぶ研究活動を経て、国際科学界は今では、高レベル放射性廃棄物を深地層最終処分場（DGR）に定置することが安全かつ効果的であると確信するに至っている。
各国政府は、それぞれが最良であると信じるエネルギー・環境政策を実施する絶対的な権利と責...

One of the key areas in fuel safety is the analysis of fuel behaviour under reactivity-initiated accident conditions. Reactivity-initiated accident fuel rod codes have been developed for a significan...

Independent safety regulation has been a hallmark of the global nuclear power sector from its beginnings. Industry and government have long understood the importance of a predictable and adaptable re...

The NEA Clay Club has been gathering the key geoscientific characteristics of the various argillaceous formations that are – or have been – studied in NEA member countries in the context of radioacti...

Le Plan stratégique a pour objectif d’orienter l’AEN dans les travaux qu’elle mène pour répondre aux priorités et aux besoins des pays membres et de leurs évolutions au regard de l’étude et de l’appl...

The OECD Nuclear Energy Agency (NEA) Strategic Plan serves as a guiding instrument that reflects the priorities of its member countries as the Agency addresses evolving needs in the exploration and a...

The OECD Nuclear Energy Agency (NEA) Forum on Stakeholder Confidence (FSC) acts as a centre for informed exchange of knowledge and experience regarding stakeholder interaction and public participatio...

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...

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...

Energy markets will be significantly different in the future. The electricity generation system is becoming more diverse with the development of energy-related technologies including renewable energy...

Climate change will create specific risks and challenges for nuclear power plants and the electricity system as a whole. Extreme weather events caused by climate change – such as floods, storms, heat...

Understanding the accident at the Fukushima Daiichi Nuclear Power Plant is important for safe and timely decommissioning of the reactors. This objective, together with the development of better compu...

Seismic probabilistic safety assessment (SPSA) is a systematic method for examining and evaluating the risk from earthquake-initiated accidents. The significant advances in the area of SPSA since the...

Experimental facilities in nuclear energy are key to addressing safety issues. The recent loss of some critical infrastructure, from facilities to industry expertise, has therefore become a concern f...

The existing nuclear fleet remains the largest low-carbon source of electricity generation in OECD countries. In 2021 the average nuclear power plant had already been operating for 31 years and some ...

NEA News is the professional journal of the Nuclear Energy Agency (NEA). It features articles on the latest nuclear energy issues concerning the economic and technical aspects of nuclear energy, nucl...

Despite the ongoing COVID-19 pandemic 2020 was a very active and impactful year at the NEA. The Agency quickly adjusted to the situation, switched to virtual methods of interaction, and continued to ...

L’année 2020 a été marquée par une forte activité et des résultats importants pour l’AEN, en dépit de la pandémie de Covid-19. L’Agence s’est rapidement adaptée à une situation pourtant inédite et a ...

The world’s nuclear power reactors are ageing, with the majority approaching the end of their planned operational lifetimes in the coming years. The adequacy of funding for decommissioning and radioa...

As the Fukushima Daiichi nuclear power plant (NPP) accident illustrates, many challenges have to be faced in maintaining safety over the long term in a damaged NPP following a severe accident. These ...

Small Modular Reactors (SMRs) are gaining recognition among policymakers and industry players as a promising nuclear technology. SMRs can be defined as nuclear reactors with a power output between 10...

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...

Nuclear Energy Data is the Nuclear Energy Agency’s annual compilation of statistics and country reports documenting nuclear power status in NEA member countries and in the OECD area. Information prov...

The decisions made about protective actions of people and the environment in situations involving exposure to ionising radiation have tended to be driven by subjective judgements about the health ris...

A wealth of technical information exists on nuclear fuel cycle options – combinations of nuclear fuel types, reactor types, used or spent nuclear fuel (SNF) treatments, and disposal schemes – and mos...

Uranium is the raw material used to produce fuel for long-lived nuclear power facilities, necessary for the generation of significant amounts of low-carbon electricity and other uses, such as heat an...

This joint report by the International Energy Agency (IEA) and the Nuclear Energy Agency (NEA) is the ninth in a series of studies on electricity generating costs. As countries work towards ensuring ...

The diversity in classification schemes across countries has restricted the possibility of comparing waste inventories and led to difficulties in interpreting waste management practices, both nationa...

The quality of the isotopic composition of plutonium fuel degrades as the number of recycles increases in thermal reactors, requiring an increase in the total loading necessary in mixed plutonium-ura...

A joint NEA-EC workshop entitled “Engineered Barrier Systems: Design Requirements and Constraints” was organised in Turku, Finland on 26-29 August 2003 and hosted by Posiva Oy. The main objectives of...

This volume is the 14^th in the OECD Nuclear Energy Agency (NEA) Chemical Thermodynamics series. It is the second update of the critical reviews published, successively, in 1992 as Chemical Thermodyna...

NEA News is the professional journal of the Nuclear Energy Agency (NEA). It features articles on the latest nuclear energy issues concerning the economic and technical aspects of nuclear energy, nucl...

Many countries are dealing with challenges stemming from nuclear and radiological legacy sites. In particular, managing these sites in an open and transparent fashion while taking into account the vi...

Worldwide consensus exists within the international community that geological repositories can provide the necessary long-term safety and security to isolate long-lived radioactive waste from the hum...

This report examines the predisposal phase of radioactive waste management programmes in NEA member countries for all types of waste from high-level to intermediate- and low-level waste, and spent fu...

Thermodynamic data are important for the modelling of the chemical processes in the engineering part on nuclear waste repository systems (the "near-field" region), and also to describe the effect of ...

by Wolfgang Hummel (Chairman), Giorgio Anderegg, Ignasi Puigdomenech, Linfeng Rao and Osamu Tochiyama

This volume is part of the series on Chemical Thermodynamics, published under the aegis of the OE...

by Paul L. Brown (Chairman), Enzo Curti and Bernd Grambow with the collaboration of Christian Ekberg

This volume is part of the series Chemical Thermodynamics, published under the aegis of the OECD N...

by Åke Olin (Chairman), Bengt Noläng, Lars-Olof Öhman, Evgeniy Osadchii and Erik Rosén

This volume is part of the series Chemical Thermodynamics, published under the aegis of the OECD Nuclear Energy ...

by Heinz Gamsjäger (Chairman), Jerzy Bugajski, Tamas Gajda, Robert Lemire and Wolfgang Preis

This volume is part of the series Chemical Thermodynamics, published under the aegis of the OECD Nuclear E...

by Robert Guillaumont (Chairman), Thomas Fanghänel, Jean Fuger, Ingmar Grenthe, Volker Neck, Donald A. Palmer and Malcolm H. Rand

This is Volume 5 in the Chemical Thermodynamics series. It is the upd...

by Joseph A. Rard (Chairman), Malcolm H. Rand, Giorgio Anderegg and Hans Wanner

This volume is part of the series Chemical Thermodynamics, published under the aegis of the OECD Nuclear Energy Agency....

Table of Simple Integral Neutron Cross-Section Data from JEF-1, ENDF/B-V, ENDL-82, JENDL-2, KEDAK-4 and RCN-3; NEA Data Bank (July 1985).