Translation. Region: Russian Federation –
Source: International Atomic Energy Agency –
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2. There are 416 power units in operation worldwide.
PRIS continuously collects various data on power units, and this information is updated regularly. As of November 19, 2025, the total capacity of all 416 operating power units worldwide was 376.3 GW(e). In 2024, there were 421 operating power units, with a total generating capacity of 377.0 GW(e), generating approximately 2,617.3 TWh of electricity—enough to provide low-carbon energy for hundreds of millions of homes.
The United States remains the world's largest producer of nuclear energy, with 94 nuclear power units (96,952 MW(e)) in operation. In 2024, they generated approximately 781.9 TWh of electricity.
China is rapidly expanding its nuclear power plant fleet, with 57 units (55.3 GW(e)) in operation and another 29 (29.6 GW(e)) under construction. In 2024, Chinese nuclear power plants generated over 417.5 TWh of electricity.
Nuclear energy also plays a significant role in the electricity generation mix of European countries. France leads the way with 57 nuclear power units (63.0 GW(e)), which generated approximately 67.3% of the country's total electricity in 2024—the highest share in the world.
Other European countries with a high share of nuclear electricity generation include Slovakia (60.6%), Hungary (47.1%) and Finland (39.1%).
Please note: This information is raw content obtained directly from the source. It represents an accurate account of the source's assertions and does not necessarily reflect the position of MIL-OSI or its clients.