What is Nuclear Energy? The Science of Nuclear Power
Nov 11, 2025 · What is nuclear fission? Nuclear fission is a reaction where the nucleus of an atom splits into two or more smaller nuclei, while releasing energy. For instance, when hit by a neutron, the …
Nuclear power reactors, reactor types and technologies | IAEA
Nov 7, 2025 · Nuclear power reactors produce energy by initiating and controlling a sustained nuclear chain reaction. Currently, over 400 such reactors in 32 countries provide about 10 per cent of the …
Nuclear power plant life cycle | IAEA
Apr 4, 2025 · A nuclear power plant must be managed in a safe and efficient manner throughout its entire life cycle, from design through decommissioning, with the overall goal of providing reliable and …
Safety of Nuclear Power Plants: Design | IAEA
Jul 7, 2025 · It will be useful for organizations involved in design, manufacture, construction, modification, maintenance, operation and decommissioning of nuclear power plants, as well as for …
Nuclear power and climate change | IAEA
Sep 8, 2016 · Nuclear power is a low-carbon source of energy. In 2018, nuclear power produced about 10 percent of the world’s electricity. Together with the expanding renewable energy sources and fuel …
Format and Content of the Safety Analysis Report for Nuclear Power …
The revision reflects feedback experience from the Fukushima Daiichi accident and the subsequent stress tests performed. It also describes good practices and experience from the use of safety …
Power Reactor Information System (PRIS) | IAEA
The Power Reactor Information System (PRIS), developed and maintained by the IAEA for over five decades, is a comprehensive database focusing on nuclear power plants worldwide. PRIS contains …
Operating Experience with Nuclear Power Stations in Member States …
Sep 8, 2025 · This report contains the 56th edition of the IAEA’s series of annual reports on operating experience with nuclear power plants in Member States. It is a direct output from the IAEA’s Power …
What are Small Modular Reactors (SMRs)? | IAEA
Sep 13, 2023 · Small modular reactors (SMRs) are advanced nuclear reactors that produce up to 300 MW (e) of low-carbon electricity, which is about one-third of the generating capacity of traditional …
Safety Classification of Structures, Systems and Components in Nuclear ...
This Safety Guide is intended primarily for use by organizations involved in the design of nuclear power plants, as well as by regulatory bodies and their technical support organizations.