Built 2026-09-19 (19 September 2026)

Argentina Nuclear Power: Generation, Share and Trend

Argentina generated 10.8 TWh of electricity from nuclear in 2025, 7.0% of its total, according to Ember. That made it the 24th 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

  • Argentina generated 10.8 TWh of electricity from nuclear in 2025.
  • Nuclear supplied 7.0% of Argentina's electricity in 2025.
  • Argentina was the 24th largest nuclear power producer in 2025 among the 32 countries with Ember data, comparing each country's latest year.
  • Argentina's nuclear generation in 2025 was 7% higher than in 2020, when it was 10.0 TWh.
  • Argentina's nuclear generation in 2025 was 53% higher than in 2015, when it was 7.04 TWh.
  • 2025 was Argentina's highest year for nuclear generation in Ember's records, which start in 1985.
  • Argentina's nuclear share in 2025 was below the world share of 8.9%.
  • Argentina had 1.75 GW of nuclear generating capacity in 2025.

Key Figures, 2025

MeasureValueAs of / source
Nuclear generation10.8 TWh2025 · Ember
Share of Argentina's electricity7.0%2025 · Ember
World share of nuclear8.9%2025 · Ember
Rank by nuclear generation (each country's latest year)24 of 322025 · Ember
Nuclear capacity1.75 GW2025 · Ember

Nuclear Generation Year by Year

Ember annual statistics, 1985 to 2025
Argentina nuclear electricity generation, 1985 to 2025 Argentina's electricity generation from nuclear each year from 1985 to 2025, in TWh. It was 10.8 TWh in 2025. 0 3 6 9 12 198519901995200020052010201520202025
Argentina's electricity generation from nuclear each year from 1985 to 2025, in TWh. It was 10.8 TWh in 2025.
Annual statistics through 2025, TWh
Argentina nuclear electricity generation, 1985 to 2025
YearNuclear
19855.77 TWh
19865.71 TWh
19876.47 TWh
19885.80 TWh
19895.04 TWh
19907.28 TWh
19917.76 TWh
19927.08 TWh
19937.75 TWh
19948.23 TWh
19957.07 TWh
19967.46 TWh
19977.96 TWh
19987.45 TWh
19997.11 TWh
20006.18 TWh
20017.06 TWh
20025.82 TWh
20037.57 TWh
20047.87 TWh
20056.87 TWh
20067.72 TWh
20077.25 TWh
20087.39 TWh
20098.18 TWh
20107.21 TWh
20116.40 TWh
20126.40 TWh
20136.21 TWh
20145.51 TWh
20157.04 TWh
20168.28 TWh
20176.09 TWh
20186.87 TWh
20198.44 TWh
202010.0 TWh
202110.2 TWh
20227.47 TWh
20238.96 TWh
202410.5 TWh
202510.8 TWh
Share of Argentina's electricity from nuclear and the world share, 1985 to 2025 The share of Argentina's electricity generated from nuclear, 1985 to 2025, compared with the world share. In 2025 it was 7.0%, against 8.9% worldwide. 0 5 10 15 20 198519901995200020052010201520202025
The share of Argentina's electricity generated from nuclear, 1985 to 2025, compared with the world share. In 2025 it was 7.0%, against 8.9% worldwide.
Annual statistics through 2025, % of generation
Share of Argentina's electricity from nuclear and the world share, 1985 to 2025
YearArgentinaWorld
198512.7%n/a
198611.7%n/a
198712.4%n/a
198811.1%n/a
19899.9%n/a
199014.3%n/a
199114.4%n/a
199212.6%n/a
199312.5%n/a
199412.5%n/a
199510.5%n/a
199610.7%n/a
199711.0%n/a
199810.0%n/a
19998.8%n/a
20006.9%16.6%
20017.8%16.9%
20026.9%16.5%
20038.2%15.6%
20047.9%15.6%
20056.5%15.0%
20066.8%14.7%
20076.4%13.7%
20086.1%13.4%
20096.7%13.3%
20105.7%12.8%
20114.9%11.9%
20124.7%10.8%
20134.5%10.6%
20144.0%10.5%
20154.8%10.6%
20165.6%10.4%
20174.2%10.2%
20184.7%10.1%
20196.1%10.3%
20206.9%9.9%
20216.6%9.8%
20225.1%9.1%
20236.0%9.1%
20246.9%9.0%
20257.0%8.9%
YearGenerationShareWorld shareCapacity
2025 10.8 TWh 7.0% 8.9% 1.75 GW
2024 10.5 TWh 6.9% 9.0% 1.75 GW
2023 8.96 TWh 6.0% 9.1% 1.75 GW
2022 7.47 TWh 5.1% 9.1% 1.75 GW
2021 10.2 TWh 6.6% 9.8% 1.75 GW
2020 10.0 TWh 6.9% 9.9% 1.75 GW
2019 8.44 TWh 6.1% 10.3% 1.75 GW
2018 6.87 TWh 4.7% 10.1% 1.75 GW
2017 6.09 TWh 4.2% 10.2% 1.75 GW
2016 8.28 TWh 5.6% 10.4% 1.75 GW

Full year by year history for Argentina

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 2026
Argentina monthly nuclear electricity generation, August 2024 to July 2026 Argentina generated 970 GWh of electricity from nuclear in July 2026, against 890 GWh in July 2025. 0.00 0.25 0.50 0.75 1.00 2024-082025-022025-082026-02
Argentina generated 970 GWh of electricity from nuclear in July 2026, against 890 GWh in July 2025.
Monthly statistics through July 2026, TWh
Argentina monthly nuclear electricity generation, August 2024 to July 2026
MonthNuclear
2024-08720 GWh
2024-09480 GWh
2024-10390 GWh
2024-11400 GWh
2024-12680 GWh
2025-01880 GWh
2025-02790 GWh
2025-03910 GWh
2025-04900 GWh
2025-05930 GWh
2025-06840 GWh
2025-07890 GWh
2025-08940 GWh
2025-09910 GWh
2025-10930 GWh
2025-11910 GWh
2025-12920 GWh
2026-01930 GWh
2026-02830 GWh
2026-03590 GWh
2026-04430 GWh
2026-05780 GWh
2026-06890 GWh
2026-07970 GWh

Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of July 2026. Monthly figures for Argentina can differ slightly from the annual totals.