Hydropower generation by region in Sri Lanka
Sri Lanka: Hydropower generation by region was 7.95 terawatt-hours in 2025. ◆ Volatile
Hydropower generation by region in Sri Lanka, 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
Sri Lanka recorded 7.95 terawatt-hours for hydropower generation by region in 2025. That is the highest value across all 61 years on record.
Compared with earlier readings it is up 16.2% on the previous year and up 32.9% over ten years.
Over the whole period, hydropower generation by region in Sri Lanka peaked at 7.95 terawatt-hours in 2025 and was at its lowest, 0.365 terawatt-hours, in 1965.
That places Sri Lanka 39th out of 79 countries with data for 2025, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.4394 terawatt-hours | 0.365 terawatt-hours | 0.549 terawatt-hours | 5 |
| 1970s | 1.03 terawatt-hours | 0.6957 terawatt-hours | 1.46 terawatt-hours | 10 |
| 1980s | 2.06 terawatt-hours | 1.22 terawatt-hours | 2.8 terawatt-hours | 10 |
| 1990s | 3.64 terawatt-hours | 2.9 terawatt-hours | 4.51 terawatt-hours | 10 |
| 2000s | 3.54 terawatt-hours | 2.7 terawatt-hours | 4.64 terawatt-hours | 10 |
| 2010s | 5.05 terawatt-hours | 3.3 terawatt-hours | 6.93 terawatt-hours | 10 |
| 2020s | 6.58 terawatt-hours | 4.98 terawatt-hours | 7.95 terawatt-hours | 6 |
Countries ranked near Sri Lanka
More energy & mining data for Sri Lanka
- Fuel imports 21.5% (2024)
- Ores and metals imports 1.6% (2024)
- Ores and metals exports 0.6% (2024)
- Gas production 0 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 0 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0 terawatt-hours (2024)
- Gas production per person 0 kilowatt-hours per person (2024)
- Fuel exports 3.4% (2024)
- Electric power transmission and distribution losses 9.2% (2023)
- Share of dietary energy supply from carbohydrates vs gdp per capita 76.57 (2023)
Frequently asked questions
- What is hydropower generation by region in Sri Lanka?
- Hydropower generation by region in Sri Lanka was 7.95 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data.
- What is the highest hydropower generation by region recorded in Sri Lanka?
- The highest recorded value was 7.95 terawatt-hours in 2025.
- What is the lowest hydropower generation by region recorded in Sri Lanka?
- The lowest recorded value was 0.365 terawatt-hours in 1965.
- How does Sri Lanka rank for hydropower generation by region?
- Sri Lanka ranks 39th out of 79 countries with data for 2025.
- Is hydropower generation by region rising or falling in Sri Lanka?
- Over the last ten years it is up 32.9%. The long-run trend across the full record is volatile.
- Where does this Sri Lanka data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as part of Hydropower generation by region. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Figures are based on gross primary hydroelectric generation and do not account for cross-border electricity supply.