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 …
The 1986 Chornobyl nuclear power plant accident
Jun 13, 2013 · On 26 April 1986, the Number Four reactor at the Chornobyl Nuclear Power Plant in what then was the Soviet Union during improper testing at low-power, resulted in loss of control that led to …
IAEA Concludes Long Term Operational Safety Review of South Africa’s ...
Feb 9, 2026 · An IAEA team of nuclear safety experts on Friday completed a review of continued safe operation of the SAFARI-1 Research Reactor in Pelindaba, South Africa.
Frequently Asked Chernobyl Questions - International Atomic Energy …
1. What caused the Chernobyl accident? On April 26, 1986, the Number Four RBMK reactor at the nuclear power plant at Chernobyl, Ukraine, went out of control during a test at low-power, leading to …
What are Research Reactors? How do they Contribute to Sustainable ...
More than one third of the nuclear reactors in operation around the world are used for research, educational purposes and the production of radioisotopes, rather than for power generation. Unlike …
Small Modular Reactors: Advances in SMR Developments 2024
Jul 7, 2024 · This publication aims to provide Member States with a concise overview of the latest developments regarding SMR technology worldwide. It explores SMRs under development, their …
Nuclear Power Reactors in the World | IAEA
Jul 23, 2025 · This is the 43rd edition of Reference Data Series No. 2, which presents the most recent reactor data available to the IAEA. It contains summarized information as of the end of 2022 on …
Nuclear Reactor Simulators for Education and Training
These simulators provide efficient hands-on learning of the physics and engineering designs of various reactor types. The simulators operate on personal computers and are provided for a broad audience …
What are Molten Salt Reactors (MSRs)? | IAEA
Mar 11, 2025 · Molten Salt Reactors (MSRs) are nuclear fission reactors in which either the fuel and/or the coolant is a molten salt. Molten salt is salt which liquifies at elevated temperatures and can store …
Nuclear Data Services | IAEA
Jan 15, 2020 · The IAEA provides fundamental nuclear data for energy and non-energy applications, as well as atomic data for fusion energy research. Reliable atomic and nuclear data are essential …