Annual change in primary energy from hydropower in Vietnam
Vietnam: Annual change in primary energy from hydropower was 13.1 terawatt-hours in 2025. ◆ Volatile
Annual change in primary energy from hydropower in Vietnam, 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, annual change in primary energy from hydropower in Vietnam stood at 13.1 terawatt-hours.
That represents a change of up 61.7% on the previous year and up 316.9% over ten years.
Over the whole period, annual change in primary energy from hydropower in Vietnam peaked at 22 terawatt-hours in 2017 and was at its lowest, -16.96 terawatt-hours, in 2019.
Vietnam ranks 4th of 77 countries on this measure, in the top 10%.
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 | 0.05 terawatt-hours | 0.04 terawatt-hours | 0.06 terawatt-hours | 4 |
| 1970s | 0.046 terawatt-hours | -0.192 terawatt-hours | 0.2 terawatt-hours | 10 |
| 1980s | 0.2838 terawatt-hours | -0.337 terawatt-hours | 2.05 terawatt-hours | 10 |
| 1990s | 0.9936 terawatt-hours | -0.562 terawatt-hours | 2.68 terawatt-hours | 10 |
| 2000s | 1.62 terawatt-hours | -1.28 terawatt-hours | 3.99 terawatt-hours | 10 |
| 2010s | 3.61 terawatt-hours | -16.96 terawatt-hours | 22 terawatt-hours | 10 |
| 2020s | 5.95 terawatt-hours | -15.29 terawatt-hours | 17.24 terawatt-hours | 6 |
Countries ranked near Vietnam
More reference data data for Vietnam
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- Winter temperature anomalies 1.13 °C (2025)
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Frequently asked questions
- What is annual change in primary energy from hydropower in Vietnam?
- Annual change in primary energy from hydropower in Vietnam was 13.1 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest annual change in primary energy from hydropower recorded in Vietnam?
- The highest recorded value was 22 terawatt-hours in 2017.
- What is the lowest annual change in primary energy from hydropower recorded in Vietnam?
- The lowest recorded value was -16.96 terawatt-hours in 2019.
- How does Vietnam rank for annual change in primary energy from hydropower?
- Vietnam ranks 4th out of 77 countries with data for 2025.
- Is annual change in primary energy from hydropower rising or falling in Vietnam?
- Over the last ten years it is up 316.9%. The long-run trend across the full record is volatile.
- Where does this Vietnam data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as part of Annual change in primary energy from hydropower. Statizoid updates them automatically from the source API.
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About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.