Brazil Nuclear Power: Generation, Share and Trend
Brazil generated 15.9 TWh of electricity from nuclear in 2025, 2.1% of its total, according to Ember. That made it the 22nd 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 April 2026; they are compiled from national sources and are not real time.
Key Facts
- Brazil generated 15.9 TWh of electricity from nuclear in 2025.
- Nuclear supplied 2.1% of Brazil's electricity in 2025.
- Brazil was the 22nd largest nuclear power producer in 2025 among the 32 countries with Ember data, comparing each country's latest year.
- Brazil's nuclear generation in 2025 was 13% higher than in 2020, when it was 14.1 TWh.
- Brazil's nuclear generation in 2025 was 8% higher than in 2015, when it was 14.7 TWh.
- Brazil's nuclear generation peaked at 16.1 TWh in 2019.
- Brazil's nuclear share in 2025 was below the world share of 8.9%.
- Brazil had 1.99 GW of nuclear generating capacity in 2025.
Key Figures, 2025
| Measure | Value | As of / source |
|---|---|---|
| Nuclear generation | 15.9 TWh | 2025 · Ember |
| Share of Brazil's electricity | 2.1% | 2025 · Ember |
| World share of nuclear | 8.9% | 2025 · Ember |
| Rank by nuclear generation (each country's latest year) | 22 of 32 | 2025 · Ember |
| Nuclear capacity | 1.99 GW | 2025 · Ember |
Nuclear Generation Year by Year
Ember annual statistics, 1985 to 2025Annual statistics through 2025, TWh
| Year | Nuclear |
|---|---|
| 1985 | 3.38 TWh |
| 1986 | 140 GWh |
| 1987 | 970 GWh |
| 1988 | 610 GWh |
| 1989 | 1.83 TWh |
| 1990 | 2.24 TWh |
| 1991 | 1.44 TWh |
| 1992 | 1.76 TWh |
| 1993 | 440 GWh |
| 1994 | 50.0 GWh |
| 1995 | 2.52 TWh |
| 1996 | 2.43 TWh |
| 1997 | 3.17 TWh |
| 1998 | 3.27 TWh |
| 1999 | 3.98 TWh |
| 2000 | 6.05 TWh |
| 2001 | 14.3 TWh |
| 2002 | 13.8 TWh |
| 2003 | 13.4 TWh |
| 2004 | 11.6 TWh |
| 2005 | 9.85 TWh |
| 2006 | 13.8 TWh |
| 2007 | 12.4 TWh |
| 2008 | 14.0 TWh |
| 2009 | 13.0 TWh |
| 2010 | 14.5 TWh |
| 2011 | 15.7 TWh |
| 2012 | 16.0 TWh |
| 2013 | 15.5 TWh |
| 2014 | 15.4 TWh |
| 2015 | 14.7 TWh |
| 2016 | 15.9 TWh |
| 2017 | 15.7 TWh |
| 2018 | 15.7 TWh |
| 2019 | 16.1 TWh |
| 2020 | 14.1 TWh |
| 2021 | 14.7 TWh |
| 2022 | 14.6 TWh |
| 2023 | 14.5 TWh |
| 2024 | 15.8 TWh |
| 2025 | 15.9 TWh |
Annual statistics through 2025, % of generation
| Year | Brazil | World |
|---|---|---|
| 1985 | 1.7% | n/a |
| 1986 | 0.1% | n/a |
| 1987 | 0.5% | n/a |
| 1988 | 0.3% | n/a |
| 1989 | 0.8% | n/a |
| 1990 | 1.0% | n/a |
| 1991 | 0.6% | n/a |
| 1992 | 0.7% | n/a |
| 1993 | 0.2% | n/a |
| 1994 | 0.0% | n/a |
| 1995 | 0.9% | n/a |
| 1996 | 0.8% | n/a |
| 1997 | 1.0% | n/a |
| 1998 | 1.0% | n/a |
| 1999 | 1.2% | n/a |
| 2000 | 1.7% | 16.6% |
| 2001 | 4.4% | 16.9% |
| 2002 | 4.0% | 16.5% |
| 2003 | 3.7% | 15.6% |
| 2004 | 3.0% | 15.6% |
| 2005 | 2.4% | 15.0% |
| 2006 | 3.3% | 14.7% |
| 2007 | 2.8% | 13.7% |
| 2008 | 3.0% | 13.4% |
| 2009 | 2.8% | 13.3% |
| 2010 | 2.8% | 12.8% |
| 2011 | 2.9% | 11.9% |
| 2012 | 2.9% | 10.8% |
| 2013 | 2.7% | 10.6% |
| 2014 | 2.6% | 10.5% |
| 2015 | 2.5% | 10.6% |
| 2016 | 2.7% | 10.4% |
| 2017 | 2.7% | 10.2% |
| 2018 | 2.6% | 10.1% |
| 2019 | 2.6% | 10.3% |
| 2020 | 2.2% | 9.9% |
| 2021 | 2.2% | 9.8% |
| 2022 | 2.2% | 9.1% |
| 2023 | 2.1% | 9.1% |
| 2024 | 2.1% | 9.0% |
| 2025 | 2.1% | 8.9% |
| Year | Generation | Share | World share | Capacity |
|---|---|---|---|---|
| 2025 | 15.9 TWh | 2.1% | 8.9% | 1.99 GW |
| 2024 | 15.8 TWh | 2.1% | 9.0% | 1.99 GW |
| 2023 | 14.5 TWh | 2.1% | 9.1% | 1.99 GW |
| 2022 | 14.6 TWh | 2.2% | 9.1% | 1.99 GW |
| 2021 | 14.7 TWh | 2.2% | 9.8% | 1.99 GW |
| 2020 | 14.1 TWh | 2.2% | 9.9% | 1.99 GW |
| 2019 | 16.1 TWh | 2.6% | 10.3% | 1.99 GW |
| 2018 | 15.7 TWh | 2.6% | 10.1% | 1.99 GW |
| 2017 | 15.7 TWh | 2.7% | 10.2% | 1.99 GW |
| 2016 | 15.9 TWh | 2.7% | 10.4% | 1.99 GW |
Full year by year history for Brazil
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 April 2026Monthly statistics through April 2026, TWh
| Month | Nuclear |
|---|---|
| 2024-05 | 1.26 TWh |
| 2024-06 | 1.44 TWh |
| 2024-07 | 1.49 TWh |
| 2024-08 | 1.49 TWh |
| 2024-09 | 1.43 TWh |
| 2024-10 | 1.48 TWh |
| 2024-11 | 690 GWh |
| 2024-12 | 770 GWh |
| 2025-01 | 1.36 TWh |
| 2025-02 | 1.33 TWh |
| 2025-03 | 1.44 TWh |
| 2025-04 | 1.03 TWh |
| 2025-05 | 1.01 TWh |
| 2025-06 | 980 GWh |
| 2025-07 | 1.30 TWh |
| 2025-08 | 1.50 TWh |
| 2025-09 | 1.45 TWh |
| 2025-10 | 1.49 TWh |
| 2025-11 | 1.45 TWh |
| 2025-12 | 1.48 TWh |
| 2026-01 | 780 GWh |
| 2026-02 | 310 GWh |
| 2026-03 | 930 GWh |
| 2026-04 | 1.40 TWh |
Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of April 2026. Monthly figures for Brazil can differ slightly from the annual totals.