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NUC TWh
Low-Carbon Baseload · GLOBAL LEADERBOARD (2000-2025)
Nuclear Power Generation by Country
Zero-emission nuclear fission provides firm 24/7 baseload electricity across 30+ major economies, led by the United States, China, France, Russia, and South Korea. In 2025, global nuclear power generation reached 2,812.39 TWh (8.9% of world electricity), led by United States (27.9% of global output).
2025 World Output 2,812.4 TWh Global generation
Share of World Grid 8.9% Of 31,734 TWh total
5-Year Growth +6.2% 2020 to 2025 change
#1 Producing Nation United States 27.9% world share
Top-3 Country Share 59.2% Top 3 producers combined
2025 Global Nuclear Power Concentration Breakdown
Top 3 Nations = 59.2% of World Output
#1 United States: 27.9% (784.8 TWh)
#2 China: 17.3% (487.1 TWh)
#3 France: 13.9% (392.1 TWh)
Rest of World: 40.8%
NUC
Low-Carbon Baseload · 2000-2025 SERIES
Nuclear Power Generation - 2025 Country Share & Global Trajectory
2025 World Output: 2,812.39 TWh (8.9% of global electricity)
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Nuclear Power Generation by Country (2000-2025 TWh, Grid Share & World Share)
| Rank | Country | 2000 (TWh) | 2015 (TWh) | 2020 (TWh) | 2025 (TWh) | 5Y Change | % of National Grid | % of World NUC |
|---|---|---|---|---|---|---|---|---|
| #1 | United States | 753.9 | 797.2 | 789.9 | 784.78 | -0.6% | 17.4% | 27.9% |
| #2 | China | 16.7 | 171.4 | 366.2 | 487.06 | +33.0% | 4.6% | 17.3% |
| #3 | France | 415.2 | 437.4 | 353.8 | 392.07 | +10.8% | 68.8% | 13.9% |
| #4 | Russia | 130.7 | 195.5 | 215.9 | 218.65 | +1.3% | 18.3% | 7.8% |
| #5 | South Korea | 109 | 164.8 | 160.2 | 184.67 | +15.3% | 29.6% | 6.6% |
| #6 | Japan | 319.1 | 4.5 | 43.0 | 94.09 | +118.8% | 9.1% | 3.4% |
| #7 | Canada | 72.3 | 101.1 | 97.5 | 85.32 | -12.5% | 13.1% | 3.0% |
| #8 | Ukraine | 77.3 | 87.6 | 76.2 | 62.18 | -18.4% | 55.8% | 2.2% |
| #9 | Spain | 62.2 | 57.2 | 58.3 | 54.10 | -7.2% | 18.8% | 1.9% |
| #10 | India | 15.8 | 38.3 | 44.6 | 53.83 | +20.7% | 2.6% | 1.9% |
| #11 | Sweden | 57.3 | 56.4 | 49.2 | 46.67 | -5.1% | 27.4% | 1.7% |
| #12 | United Arab Emirates | 0.0 | 0.0 | 1.6 | 40.63 | +2392.6% | 22.9% | 1.4% |
| #13 | United Kingdom | 85.1 | 70.3 | 50.2 | 36.38 | -27.6% | 12.4% | 1.3% |
| #14 | Finland | 22.5 | 23.3 | 23.3 | 32.82 | +40.9% | 39.9% | 1.2% |
| #15 | Czech Republic | 13.6 | 26.8 | 30.0 | 31.94 | +6.3% | 42.3% | 1.1% |
| #16 | Pakistan | 0.4 | 4.3 | 10.1 | 25.43 | +152.3% | 14.4% | 0.9% |
| #17 | Belgium | 48.2 | 26.1 | 34.4 | 24.11 | -30.0% | 36.0% | 0.9% |
| #18 | Switzerland | 26.5 | 23.1 | 24.0 | 19.42 | -19.2% | 29.9% | 0.7% |
| #19 | Belarus | 0.0 | 0.0 | 0.3 | 16.97 | +4891.2% | 37.0% | 0.6% |
| #20 | Brazil | 6.1 | 14.7 | 14.1 | 15.87 | +13.0% | 2.1% | 0.6% |
| #21 | Argentina | 6.2 | 7.0 | 10.0 | 10.76 | +7.5% | 7.0% | 0.4% |
| #22 | South Africa | 13.0 | 12.2 | 9.9 | 10.21 | +3.1% | 4.2% | 0.4% |
| #23 | Romania | 5.5 | 11.6 | 11.5 | 10.20 | -11.1% | 20.5% | 0.4% |
| #24 | Mexico | 8.2 | 11.6 | 11.2 | 10.16 | -9.1% | 2.9% | 0.4% |
| #25 | Iran | - | 3.5 | 6.3 | 7.35 | +16.1% | 1.9% | 0.3% |
| #26 | Netherlands | 3.9 | 4.1 | 4.1 | 3.99 | -2.4% | 3.0% | 0.1% |
| #27 | Taiwan | 38.5 | 36.5 | 31.4 | 3.25 | -89.7% | 1.1% | 0.1% |
Global Nuclear Power Generation Historical Trajectory (2000-2025)
| Year | Global Generation (TWh) | Share of World Electricity (%) | Installed Capacity (GW) |
|---|---|---|---|
| 2025 | 2,812.39 TWh | 8.86% | 406.9 GW |
| 2024 | 2,778.83 TWh | 8.99% | 407.3 GW |
| 2023 | 2,700.78 TWh | 9.11% | 399.2 GW |
| 2022 | 2,639.93 TWh | 9.14% | 399.5 GW |
| 2021 | 2,760.96 TWh | 9.78% | 400.9 GW |
| 2020 | 2,648.77 TWh | 9.92% | 397.5 GW |
| 2019 | 2,754.08 TWh | 10.26% | 403.7 GW |
| 2018 | 2,658.7 TWh | 10.05% | 405.2 GW |
| 2017 | 2,594.23 TWh | 10.20% | 398.8 GW |
| 2016 | 2,571.05 TWh | 10.41% | 399.1 GW |
| 2015 | 2,532.93 TWh | 10.55% | 390.3 GW |
| 2014 | 2,498.73 TWh | 10.52% | 384.8 GW |
| 2013 | 2,448.52 TWh | 10.57% | 376.9 GW |
| 2012 | 2,432.22 TWh | 10.80% | 378.9 GW |
| 2011 | 2,610.34 TWh | 11.88% | 386.4 GW |
| 2010 | 2,725.91 TWh | 12.82% | 381.7 GW |
| 2009 | 2,656.76 TWh | 13.32% | 380 GW |
| 2008 | 2,694.72 TWh | 13.40% | 378.6 GW |
| 2007 | 2,703.49 TWh | 13.71% | 379.8 GW |
| 2006 | 2,761.59 TWh | 14.66% | 378.6 GW |
| 2005 | 2,726.97 TWh | 15.04% | 378 GW |
| 2004 | 2,719.41 TWh | 15.62% | 373.8 GW |
| 2003 | 2,601.05 TWh | 15.64% | 366.5 GW |
| 2002 | 2,654.78 TWh | 16.54% | 366.7 GW |
| 2001 | 2,613.17 TWh | 16.86% | 360.3 GW |
| 2000 | 2,540.46 TWh | 16.63% | 358.5 GW |