Sri Lanka vs Thailand: Annual change in primary energy from hydropower
Sri Lanka
1.11 terawatt-hours
in 2025
Thailand
1.22 terawatt-hours
in 2025
Sri Lanka rank
17th
Thailand rank
16th
Annual change in primary energy from hydropower over time
- Sri Lanka
- Thailand
How they compare
Thailand currently reports 1.22 terawatt-hours against 1.11 terawatt-hours in Sri Lanka, a difference of 0.11 terawatt-hours.
That makes Thailand's figure about 1.1 times Sri Lanka's.
The two have swapped places 30 times across 60 shared years of data; in 1966 it was Thailand ahead.
Sri Lanka ranks 17th and Thailand ranks 16th of 80 countries.
Across the 7 decades both report, Sri Lanka averaged higher in 3 and Thailand in 4.
Head to head by decade
| Decade | Sri Lanka | Thailand | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0.046 terawatt-hours | 0.0513 terawatt-hours | 0.0053 terawatt-hours | Thailand |
| 1970s | 0.0913 terawatt-hours | 0.2217 terawatt-hours | 0.1304 terawatt-hours | Thailand |
| 1980s | 0.1339 terawatt-hours | 0.2249 terawatt-hours | 0.091 terawatt-hours | Thailand |
| 1990s | 0.1376 terawatt-hours | -0.2103 terawatt-hours | 0.3479 terawatt-hours | Sri Lanka |
| 2000s | -0.0286 terawatt-hours | 0.3556 terawatt-hours | 0.3842 terawatt-hours | Thailand |
| 2010s | 0.0921 terawatt-hours | -0.052 terawatt-hours | 0.1441 terawatt-hours | Sri Lanka |
| 2020s | 0.5224 terawatt-hours | 0.2312 terawatt-hours | 0.2913 terawatt-hours | Sri Lanka |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from hydropower, Sri Lanka or Thailand?
- Thailand, at 1.22 terawatt-hours against 1.11 terawatt-hours in Sri Lanka as of 2025.
- What is the difference in annual change in primary energy from hydropower between Sri Lanka and Thailand?
- 0.11 terawatt-hours, with Thailand ahead.
- How many years of comparable data are there for Sri Lanka and Thailand?
- 60 years are reported by both, from 1966 to 2025.
- How do Sri Lanka and Thailand rank globally for annual change in primary energy from hydropower?
- Sri Lanka ranks 17th and Thailand ranks 16th of 80 countries.
- Where does this data come from?
- Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Annual change in primary energy from hydropower. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.