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 …
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 …
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 …
What is Nuclear Energy? The Science of Nuclear Power
Nov 11, 2025 · The heat warms the reactor’s cooling agent, typically water, to produce steam. The steam is then channelled to spin turbines, activating an electric generator to create low-carbon …
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 …
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 …
Five Reasons the Clean Energy Transition Needs Nuclear Power
Jan 27, 2026 · Energy demand continues to grow globally. Nuclear power complements renewables by supplying constant power, smoothing variability and reducing reliance on fossil fuel backup during …
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 …
IAEA Completes Integrated Safety Assessment Mission for Bolivia's First ...
Feb 19, 2025 · An International Atomic Energy Agency (IAEA) team of experts said that the Agency for Nuclear Energy of Bolivia (ABEN), operator of Bolivia's first nuclear research reactor (RB‑01) that is …