China Nuclear Power: Generation, Share and Trend
China generated 485 TWh of electricity from nuclear in 2025, 4.6% of its total, according to Ember. That made it the second largest nuclear power producer in 2025 of the 32 countries with Ember data, comparing each country's latest year. Nuclear supplied 8.9% of the world's electricity in 2025. These are annual statistics for 2025, with monthly figures through July 2026; they are compiled from national sources and are not real time.
Key Facts
- China generated 485 TWh of electricity from nuclear in 2025.
- Nuclear supplied 4.6% of China's electricity in 2025.
- China was the second largest nuclear power producer in 2025 among the 32 countries with Ember data, comparing each country's latest year.
- China's nuclear generation in 2025 was 33% higher than in 2020, when it was 366 TWh.
- China's nuclear generation in 2025 was 183% higher than in 2015, when it was 171 TWh.
- 2025 was China's highest year for nuclear generation in Ember's records, which start in 1985.
- China's nuclear share in 2025 was below the world share of 8.9%.
- China had 62.5 GW of nuclear generating capacity in 2025.
Key Figures, 2025
| Measure | Value | As of / source |
|---|---|---|
| Nuclear generation | 485 TWh | 2025 · Ember |
| Share of China's electricity | 4.6% | 2025 · Ember |
| World share of nuclear | 8.9% | 2025 · Ember |
| Rank by nuclear generation (each country's latest year) | 2 of 32 | 2025 · Ember |
| Nuclear capacity | 62.5 GW | 2025 · Ember |
Nuclear Generation Year by Year
Ember annual statistics, 1985 to 2025Annual statistics through 2025, TWh
| Year | Nuclear |
|---|---|
| 1985 | 0 TWh |
| 1986 | 0 TWh |
| 1987 | 0 TWh |
| 1988 | 0 TWh |
| 1989 | 0 TWh |
| 1990 | 0 TWh |
| 1991 | 0 TWh |
| 1992 | 0 TWh |
| 1993 | 1.60 TWh |
| 1994 | 14.8 TWh |
| 1995 | 12.8 TWh |
| 1996 | 14.3 TWh |
| 1997 | 14.4 TWh |
| 1998 | 14.1 TWh |
| 1999 | 15.0 TWh |
| 2000 | 16.7 TWh |
| 2001 | 17.5 TWh |
| 2002 | 25.1 TWh |
| 2003 | 43.3 TWh |
| 2004 | 50.5 TWh |
| 2005 | 53.1 TWh |
| 2006 | 54.8 TWh |
| 2007 | 62.1 TWh |
| 2008 | 68.4 TWh |
| 2009 | 70.1 TWh |
| 2010 | 74.7 TWh |
| 2011 | 87.2 TWh |
| 2012 | 98.3 TWh |
| 2013 | 112 TWh |
| 2014 | 133 TWh |
| 2015 | 171 TWh |
| 2016 | 213 TWh |
| 2017 | 248 TWh |
| 2018 | 295 TWh |
| 2019 | 349 TWh |
| 2020 | 366 TWh |
| 2021 | 408 TWh |
| 2022 | 418 TWh |
| 2023 | 435 TWh |
| 2024 | 451 TWh |
| 2025 | 485 TWh |
Annual statistics through 2025, % of generation
| Year | China | World |
|---|---|---|
| 1985 | 0.0% | n/a |
| 1986 | 0.0% | n/a |
| 1987 | 0.0% | n/a |
| 1988 | 0.0% | n/a |
| 1989 | 0.0% | n/a |
| 1990 | 0.0% | n/a |
| 1991 | 0.0% | n/a |
| 1992 | 0.0% | n/a |
| 1993 | 0.2% | n/a |
| 1994 | 1.6% | n/a |
| 1995 | 1.3% | n/a |
| 1996 | 1.3% | n/a |
| 1997 | 1.3% | n/a |
| 1998 | 1.2% | n/a |
| 1999 | 1.2% | n/a |
| 2000 | 1.2% | 16.6% |
| 2001 | 1.2% | 16.9% |
| 2002 | 1.5% | 16.5% |
| 2003 | 2.3% | 15.6% |
| 2004 | 2.3% | 15.6% |
| 2005 | 2.1% | 15.0% |
| 2006 | 1.9% | 14.7% |
| 2007 | 1.9% | 13.7% |
| 2008 | 2.0% | 13.4% |
| 2009 | 1.9% | 13.3% |
| 2010 | 1.8% | 12.8% |
| 2011 | 1.9% | 11.9% |
| 2012 | 2.0% | 10.8% |
| 2013 | 2.1% | 10.6% |
| 2014 | 2.3% | 10.5% |
| 2015 | 3.0% | 10.6% |
| 2016 | 3.5% | 10.4% |
| 2017 | 3.8% | 10.2% |
| 2018 | 4.1% | 10.1% |
| 2019 | 4.7% | 10.3% |
| 2020 | 4.7% | 9.9% |
| 2021 | 4.8% | 9.8% |
| 2022 | 4.8% | 9.1% |
| 2023 | 4.6% | 9.1% |
| 2024 | 4.5% | 9.0% |
| 2025 | 4.6% | 8.9% |
| Year | Generation | Share | World share | Capacity |
|---|---|---|---|---|
| 2025 | 485 TWh | 4.6% | 8.9% | 62.5 GW |
| 2024 | 451 TWh | 4.5% | 9.0% | 60.8 GW |
| 2023 | 435 TWh | 4.6% | 9.1% | 56.9 GW |
| 2022 | 418 TWh | 4.8% | 9.1% | 55.5 GW |
| 2021 | 408 TWh | 4.8% | 9.8% | 53.3 GW |
| 2020 | 366 TWh | 4.7% | 9.9% | 49.9 GW |
| 2019 | 349 TWh | 4.7% | 10.3% | 48.7 GW |
| 2018 | 295 TWh | 4.1% | 10.1% | 44.7 GW |
| 2017 | 248 TWh | 3.8% | 10.2% | 35.8 GW |
| 2016 | 213 TWh | 3.5% | 10.4% | 33.6 GW |
Full year by year history for China
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of 2025. World shares are Ember's World totals; ranks compare each country's latest year, which can differ between countries.
Nuclear Generation Month by Month
Ember monthly statistics through July 2026Monthly statistics through July 2026, TWh
| Month | Nuclear |
|---|---|
| 2024-08 | 40.3 TWh |
| 2024-09 | 35.6 TWh |
| 2024-10 | 37.1 TWh |
| 2024-11 | 38.0 TWh |
| 2024-12 | 43.3 TWh |
| 2025-01 | 37.3 TWh |
| 2025-02 | 37.2 TWh |
| 2025-03 | 42.8 TWh |
| 2025-04 | 41.1 TWh |
| 2025-05 | 38.4 TWh |
| 2025-06 | 39.4 TWh |
| 2025-07 | 43.0 TWh |
| 2025-08 | 42.6 TWh |
| 2025-09 | 36.2 TWh |
| 2025-10 | 38.7 TWh |
| 2025-11 | 39.8 TWh |
| 2025-12 | 44.6 TWh |
| 2026-01 | 38.6 TWh |
| 2026-02 | 36.5 TWh |
| 2026-03 | 37.7 TWh |
| 2026-04 | 37.5 TWh |
| 2026-05 | 40.3 TWh |
| 2026-06 | 42.7 TWh |
| 2026-07 | 45.8 TWh |
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of July 2026. Monthly figures for China can differ slightly from the annual totals.