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Built 2026-09-19 (19 September 2026)

Sri Lanka Hydro Power: Generation, Share and Trend

Sri Lanka generated 6.46 TWh of electricity from hydro in 2025, 37.6% of its total, according to Ember. That made it the 61st largest hydro power producer in 2025 of the 153 countries with Ember data, comparing each country's latest year. Hydro supplied 14.0% of the world's electricity in 2025. These are annual statistics for 2025, with monthly figures through June 2024; they are compiled from national sources and are not real time.

Key Facts

  • Sri Lanka generated 6.46 TWh of electricity from hydro in 2025.
  • Hydro supplied 37.6% of Sri Lanka's electricity in 2025.
  • Sri Lanka was the 61st largest hydro power producer in 2025 among the 153 countries with Ember data, comparing each country's latest year.
  • Sri Lanka's hydro generation in 2025 was 30% higher than in 2020, when it was 4.98 TWh.
  • Sri Lanka's hydro generation in 2025 was 8% higher than in 2015, when it was 6.00 TWh.
  • Sri Lanka's hydro generation peaked at 7.23 TWh in 2021.
  • Sri Lanka's hydro share in 2025 was above the world share of 14.0%.
  • Sri Lanka had 1.97 GW of hydro generating capacity in 2025.

Key Figures, 2025

MeasureValueAs of / source
Hydro generation6.46 TWh2025 · Ember
Share of Sri Lanka's electricity37.6%2025 · Ember
World share of hydro14.0%2025 · Ember
Rank by hydro generation (each country's latest year)61 of 1532025 · Ember
Hydro capacity1.97 GW2025 · Ember

Hydro Generation Year by Year

Ember annual statistics, 2000 to 2025
Sri Lanka hydro electricity generation, 2000 to 2025 Sri Lanka's electricity generation from hydro each year from 2000 to 2025, in GWh. It was 6.46 TWh in 2025. 0 2,000 4,000 6,000 8,000 200020052010201520202025
Sri Lanka's electricity generation from hydro each year from 2000 to 2025, in GWh. It was 6.46 TWh in 2025.
Annual statistics through 2025, GWh
Sri Lanka hydro electricity generation, 2000 to 2025
YearHydro
20003.21 TWh
20013.12 TWh
20022.70 TWh
20033.32 TWh
20042.97 TWh
20053.46 TWh
20064.64 TWh
20073.96 TWh
20084.14 TWh
20093.89 TWh
20105.64 TWh
20114.63 TWh
20123.30 TWh
20136.93 TWh
20144.56 TWh
20156.00 TWh
20164.25 TWh
20174.03 TWh
20186.41 TWh
20194.82 TWh
20204.98 TWh
20217.23 TWh
20226.77 TWh
20235.98 TWh
20246.98 TWh
20256.46 TWh
Share of Sri Lanka's electricity from hydro and the world share, 2000 to 2025 The share of Sri Lanka's electricity generated from hydro, 2000 to 2025, compared with the world share. In 2025 it was 37.6%, against 14.0% worldwide. 0 15 30 45 60 200020052010201520202025
The share of Sri Lanka's electricity generated from hydro, 2000 to 2025, compared with the world share. In 2025 it was 37.6%, against 14.0% worldwide.
Annual statistics through 2025, % of generation
Share of Sri Lanka's electricity from hydro and the world share, 2000 to 2025
YearSri LankaWorld
200047.3%17.2%
200146.8%16.5%
200238.9%16.3%
200343.5%15.7%
200436.7%16.1%
200539.2%16.1%
200649.2%16.0%
200740.1%15.5%
200841.7%16.1%
200939.3%16.3%
201052.6%16.1%
201140.1%15.9%
201228.0%16.3%
201357.9%16.4%
201436.6%16.3%
201545.4%16.2%
201629.7%16.3%
201727.1%16.0%
201839.9%15.8%
201928.9%15.8%
202030.2%16.3%
202141.3%15.2%
202240.4%15.0%
202336.5%14.3%
202440.8%14.4%
202537.6%14.0%
YearGenerationShareWorld shareCapacity
2025 6.46 TWh 37.6% 14.0% 1.97 GW
2024 6.98 TWh 40.8% 14.4% 1.97 GW
2023 5.98 TWh 36.5% 14.3% 1.85 GW
2022 6.77 TWh 40.4% 15.0% 1.83 GW
2021 7.23 TWh 41.3% 15.2% 1.80 GW
2020 4.98 TWh 30.2% 16.3% 1.80 GW
2019 4.82 TWh 28.9% 15.8% 1.81 GW
2018 6.41 TWh 39.9% 15.8% 1.80 GW
2017 4.03 TWh 27.1% 16.0% 1.75 GW
2016 4.25 TWh 29.7% 16.3% 1.73 GW

Full year by year history for Sri Lanka

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.

Hydro Generation Month by Month

Ember monthly statistics through June 2024
Sri Lanka monthly hydro electricity generation, July 2022 to June 2024 Sri Lanka generated 470 GWh of electricity from hydro in June 2024, against 260 GWh in June 2023. 0.00 0.20 0.40 0.60 0.80 2022-072023-012023-072024-01
Sri Lanka generated 470 GWh of electricity from hydro in June 2024, against 260 GWh in June 2023.
Monthly statistics through June 2024, TWh
Sri Lanka monthly hydro electricity generation, July 2022 to June 2024
MonthHydro
2022-07450 GWh
2022-08630 GWh
2022-09570 GWh
2022-10630 GWh
2022-11650 GWh
2022-12390 GWh
2023-01330 GWh
2023-02270 GWh
2023-03320 GWh
2023-04280 GWh
2023-05280 GWh
2023-06260 GWh
2023-07310 GWh
2023-08250 GWh
2023-09270 GWh
2023-10550 GWh
2023-11720 GWh
2023-12760 GWh
2024-01630 GWh
2024-02310 GWh
2024-03320 GWh
2024-04380 GWh
2024-05400 GWh
2024-06470 GWh

Source: Ember (ember-energy.org), licensed under CC BY 4.0. Data as of June 2024. Monthly figures for Sri Lanka can differ slightly from the annual totals.