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  1. Nuclear power reactors, reactor types and technologies | IAEA

    8 hours ago · 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 …

  2. 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 …

  3. 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 …

  4. 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 …

  5. 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, …

  6. 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 …

  7. 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 …

  8. Operation and maintenance of nuclear power plants | IAEA

    Jul 7, 2023 · Well-managed nuclear power plants continually strive to improve their standards of operation and maintenance. Maintenance includes preventive and corrective measures that …

  9. 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 …

  10. Nuclear research reactors | IAEA

    Nov 11, 2024 · Research reactors are nuclear reactors used for research, development, education and training. They produce neutrons for use in industry, medicine, agriculture and …