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 …
Nuclear Power Reactors in the World | IAEA
Sep 4, 2025 · This is the 44th 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 …
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, …
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 …
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 …
Research Reactor Database (RRDB) - International Atomic Energy …
The IAEA's Research Reactor Database (RRDB) is an authoritative database containing technical information on over 800 research reactors, including critical and sub-critical assemblies in 71 …
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 …
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 …
Frequently Asked Chernobyl Questions - International Atomic …
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, …
Thorium’s Long-Term Potential in Nuclear Energy
A top-down view of an experimental thorium-based nuclear reactor from the 1960s. (Photo: Oak Ridge National Laboratory, US Department of Energy) The sands of India are brimming with …