Top Nuclear Power Production Worldwide, 2000–2023

This chart ranks the top countries worldwide based on nuclear power production from 2000 to 2023. In 2023, the United States leads by a wide margin, producing 774.9 TWh, followed by China and France with 434.7 TWh and 335.6 TWh, respectively. The chart shows how nuclear power output has varied over the years among the major producers, highlighting shifts in energy policy and production capacity across these nations.

TWh (terawatt-hours) is a unit of energy used to quantify large amounts of electricity generation or consumption. One TWh equals one trillion watts of power consumed over one hour.

2000

  • 1. United States : 753.9 TWh
  • 2. France : 415.2 TWh
  • 3. Japan : 319.1 TWh
  • 4. Germany : 169.6 TWh
  • 5. Russia : 130.7 TWh
  • 6. South Korea : 109 TWh
  • 7. United Kingdom : 85.1 TWh
  • 8. Ukraine : 77.3 TWh
  • 9. Canada : 72.3 TWh
  • 10. Spain : 62.2 TWh

2010

  • 1. United States : 807 TWh
  • 2. France : 428.5 TWh
  • 3. Japan : 292.4 TWh
  • 4. Russia : 170.4 TWh
  • 5. South Korea : 148.6 TWh
  • 6. Germany : 140.6 TWh
  • 7. Canada : 90 TWh
  • 8. Ukraine : 89.2 TWh
  • 9. China : 74.7 TWh
  • 10. United Kingdom : 62.1 TWh

2023

  • 1. United States : 774.9 TWh
  • 2. China : 434.7 TWh
  • 3. France : 335.6 TWh
  • 4. Russia : 217.4 TWh
  • 5. South Korea : 180.5 TWh
  • 6. Canada : 89 TWh
  • 7. Japan : 77.5 TWh
  • 8. Spain : 56.8 TWh
  • 9. Sweden : 48.4 TWh
  • 10. India : 48.2 TWh
  • 11. United Kingdom : 40.8 TWh

Global nuclear power production reflects the energy priorities of each nation, and the data from 2000 to 2023 highlights the leading producers and changes in nuclear output among them. As of 2023, the United States maintains a strong lead with 774.9 TWh, underscoring its significant infrastructure and investment in nuclear technology. This level of output indicates not only the capacity of the U.S. nuclear fleet but also consistent operational performance over the years.

China has risen significantly in recent years, now securing second place with 434.7 TWh. This rapid expansion mirrors China's efforts to diversify energy sources and reduce reliance on coal, aligning with its environmental goals. France, a traditional leader in nuclear power, ranks third, generating 335.6 TWh. Although it has faced challenges such as aging reactors and regulatory hurdles, nuclear remains a cornerstone of France's energy strategy, supplying the majority of its electricity.

Russia, South Korea, and Canada round out the top six. Russia’s nuclear energy sector (217.4 TWh) remains vital to its national grid and strategic exports, while South Korea (180.5 TWh) relies on nuclear for a substantial share of its domestic power. Japan, ranking seventh, illustrates the impacts of the Fukushima disaster, where production has resumed but remains lower than pre-2011 levels.

In Europe, Spain and Sweden remain steady contributors, while the United Kingdom shows moderate nuclear output. India, at the tenth position, showcases its commitment to nuclear as part of its growing energy mix to support economic growth. Each of these countries’ rankings reflects broader trends in global energy policy, where nuclear energy continues to be a significant, if sometimes contentious, part of the transition to low-carbon power sources.


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