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The 45th edition of Reference Data Series No. 1 projects global energy, electricity and nuclear trends to 2050. Nuclear capacity estimates consider current reactors, licence renewals, shutdowns, uprates and planned builds. RDS-1 presents global and regional projections in low and high cases: the low case foresees a 50% rise in nuclear capacity to 561 GW(e) by 2050 (from 377 GW(e) in 2024), while the high case projects a 2.6-fold increase to 992 GW(e).

This document, prepared by the Environmental Radiological Monitoring Department of the Nuclear Security Council (CSN), following the reception of data from each annual campaign in the first quarter of the following year and its subsequent evaluation, serves as a key tool for protecting the population and the environment from the effects of ionising radiation. According to the report, the values recorded in 2023 remain within the normal ranges observed in previous years, with no increases identified that would pose a risk to public health or the environment.

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Published every year, the NEA Annual Report includes an overview of NEA's activities and publications produced during the year, as well as the latest developments in nuclear energy sector around the world. Available in English and in French, the report covers a wide spectrum of topics that provide governments and other relevant stakeholders with authoritative, reliable information and analyses on current and future nuclear technologies.

Uranium Resources, Production and Demand, known as the Red Book, is a biennial publication jointly produced by the Nuclear Energy Agency (NEA) and the International Atomic Energy Agency (IAEA) under the NEA/IAEA Uranium Group. First published in 1965, it has become the leading government-sponsored source of information on global uranium trends, with thirty editions released over its 60-year history. Uranium is the essential raw material for all nuclear fission reactors, making it crucial for producing low-carbon electricity, process heat, and hydrogen—key to reducing emissions and strengthening energy security. No form of nuclear fission power is possible without uranium.

This 30th edition includes contributions from 62 uranium-producing and consuming countries, some participating for the first time. It reviews global uranium market fundamentals and provides updated data on exploration, resources, production, and reactor-related requirements. The report also includes information on uranium production centres, new mine development plans, and projections for nuclear generating capacity and uranium demand through 2050.

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