NEA publications and reports


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Five Years after the Fukushima Daiichi Accident: Nuclear Safety Improvements and Lessons Learnt

Countries around the world continue to implement safety improvements and corrective actions based on lessons learnt from the 11 March 2011 accident at the Fukushima Daiichi nuclear power plant. This report provides a high-level summary and update on these activities, and outlines further lessons learnt and challenges identified for future consideration. It focuses on actions taken by NEA committees and NEA member countries, and as such is complementary to reports produced by other international organisations.

Read the report | Executive summary | 要旨 (日本語)

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The Safety Culture of an Effective Nuclear Regulatory Body

The fundamental objective of all nuclear safety regulatory bodies is to ensure that activities related to the peaceful use of nuclear energy are carried out in a safe manner within their respective countries. In order to effectively achieve this objective, the nuclear regulatory body requires specific characteristics, one of which is a healthy safety culture. This regulatory guidance report describes five principles that support the safety culture of an effective nuclear regulatory body. These principles concern leadership for safety, individual responsibility and accountability, co-operation and open communication, a holistic approach, and continuous improvement, learning and self-assessment. Download the publication

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Implementation of Defence in Depth at Nuclear Power Plants

Defence in depth (DiD) is a concept that has been used for many years alongside tools to optimise nuclear safety in reactor design, assessment and regulation. The 2011 Fukushima Daiichi nuclear power plant accident provided unique insight into nuclear safety issues and raised questions about the tools used at nuclear power plants, including the effectiveness of the DiD concept, and whether DiD can be enhanced and its implementation improved. This report is intended primarily for nuclear regulatory bodies, although information included herein is expected to be of interest to licensees, nuclear industry organisations and the general public. Download the publication

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Nuclear Energy: Combating Climate Change

The global response to address climate change is a key policy challenge of the 21st century. Many governments around the world have agreed that action should be taken to achieve large cuts in greenhouse gas (GHG) emissions over the coming decades, to adapt to the impacts of climate change and to ensure the necessary financial and technical support for developing countries to take action. More information | Download the brochure

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Nuclear Energy Data – 2015

Nuclear Energy Data is the OECD Nuclear Energy Agency's annual compilation of statistics and country reports documenting nuclear power status in the OECD area. Information provided by member country governments includes statistics on installed generating capacity, total electricity produced by all sources and by nuclear power, nuclear energy policies and fuel cycle developments, as well as projected generating capacity and electricity production to 2035, where available. Total electricity generation at nuclear power plants and the share of electricity production from nuclear power plants increased slightly in 2014, by 1.4% and 0.3% respectively, despite Japan's nuclear fleet remaining offline throughout the year. More information | Download the publication

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Projected Costs of Generating Electricity – 2015 Edition

This joint report by the International Energy Agency (IEA) and the Nuclear Energy Agency (NEA) is the eighth in a series of studies on electricity generating costs. As policy makers work to ensure that the power supply is reliable, secure and affordable, while making it increasingly clean and sustainable in the context of the debate on climate change, it is becoming more crucial that they understand what determines the relative cost of electricity generation using fossil fuel, nuclear or renewable sources of energy. A wide range of fuels and technologies are presented in the report, including natural gas, coal, nuclear, hydro, solar, onshore and offshore wind, biomass and biogas, geothermal, and combined heat and power, drawing on a database from surveys of investment and operating costs that include a larger number of countries than previous editions.
Download the executive summary | Purchase the publication

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Nuclear New Build: Insights into Financing and Project Management

Nuclear new build has been progressing steadily since the year 2000, with the construction of 94 new reactors initiated and 56 completed reactors connected to the grid. Among these new reactors are some of the first generation III/III+ reactors of their kind. Drawing on a combination of conceptual analysis, expert opinion and seven in-depth case studies, this report provides policymakers and stakeholders with an overview of the principal challenges facing nuclear new build today, as well as ways to address and overcome them. Read the report

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Introduction of Thorium in the Nuclear Fuel Cycle

Since the beginning of the nuclear era, significant scientific attention has been given to thorium's potential as a nuclear fuel. Although the thorium fuel cycle has never been fully developed, the opportunities and challenges that might arise from the use of thorium in the nuclear fuel cycle are still being studied in many countries and in the context of diverse international programmes around the world. This report provides a scientific assessment of thorium's potential role in nuclear energy both in the short to longer term, addressing diverse options, potential drivers and current impediments to be considered if thorium fuel cycles are to be pursued. Read the report | Read the executive summary

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IEA/NEA Technology Roadmap: Nuclear Energy

The nuclear energy landscape has changed since the previous edition of the roadmap in 2010, with a number of events affecting its development: the Fukushima Daiichi accident, which heightened public concern over the safety of nuclear energy in many countries, and the subsequent safety reviews and development of new safety requirements to ensure even higher levels of safety for existing and future nuclear power plants; the shift towards Generation III reactors for nuclear new build; and the economic and financial crises that have both lowered energy demand and made the financing of capital-intensive infrastructure projects more challenging, especially in liberalised electricity markets. Read the report | Foldout

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Uranium 2014: Resources, Production and Demand

Uranium is the raw material used to fuel over 400 operational nuclear reactors around the world that produce large amounts of electricity and benefit from life cycle carbon emissions as low as renewable energy sources. Although a valuable commodity, declining market prices for uranium since the Fukushima Daiichi nuclear power plant accident in 2011, driven by uncertainties concerning the future of nuclear power, have led to the postponement of mine development plans in a number of countries and raised questions about continued uranium supply. This 25th edition of the "Red Book", a recognised world reference on uranium jointly prepared by the OECD Nuclear Energy Agency and the International Atomic Energy Agency, provides analyses and information from 45 producing and consuming countries in order to address these and other questions. Read the report | Executive summary 

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