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  1. 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 …

  2. 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 …

  3. IAEA Releases Nuclear Power Data and Operating Experience for …

    Aug 20, 2024 · Nuclear power continued to generate almost 10 percent of the world’s electricity and a quarter of all low carbon electricity last year, according to the data, which are featured in …

  4. What are Small Modular Reactors (SMRs)? | IAEA

    Sep 13, 2023 · Small modular reactors (SMRs) are advanced nuclear reactors that have a power capacity of up to 300 MW (e) per unit, which is about one-third of the generating capacity of …

  5. 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 …

  6. Thorium’s Long-Term Potential in Nuclear Energy: New IAEA Analysis

    Mar 13, 2023 · This, however, could change if there was a higher demand for thorium and its application in nuclear power.” Equally expensive are research, development and testing of …

  7. IAEA Outlook for Nuclear Power Increases for Fourth Straight Year ...

    Sep 16, 2024 · The International Atomic Energy Agency (IAEA) has revised up its annual projections for the expansion of nuclear power for a fourth successive year. World nuclear …

  8. 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 …

  9. What is Uranium? | IAEA

    Aug 16, 2023 · The nuclear fuel cycle is an industrial process involving various activities to produce electricity from uranium in nuclear power reactors. Exploration for uranium is followed …

  10. Small modular reactors (SMR) | IAEA

    Jul 7, 2024 · Small and medium-sized or modular reactors are an option to fulfil the need for flexible power generation for a wider range of users and applications. Small modular reactors, …