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) – 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 5th of 80 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Annual change in primary energy from hydropower in Vietnam, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 0.05 terawatt-hours | — |
| 1967 | 0.04 terawatt-hours | -20.0% |
| 1968 | 0.05 terawatt-hours | +25.0% |
| 1969 | 0.06 terawatt-hours | +20.0% |
| 1970 | 0.06 terawatt-hours | -0.0% |
| 1971 | 0.014 terawatt-hours | -76.7% |
| 1972 | -0.192 terawatt-hours | -1471.4% |
| 1973 | -0.002 terawatt-hours | -99.0% |
| 1974 | 0 terawatt-hours | -100.0% |
| 1975 | 0.08 terawatt-hours | — |
| 1976 | 0.057 terawatt-hours | -28.7% |
| 1977 | 0.043 terawatt-hours | -24.6% |
| 1978 | 0.2 terawatt-hours | +365.1% |
| 1979 | 0.2 terawatt-hours | +0.0% |
| 1980 | 0.488 terawatt-hours | +144.0% |
| 1981 | 0.019 terawatt-hours | -96.1% |
| 1982 | 0.053 terawatt-hours | +178.9% |
| 1983 | -0.337 terawatt-hours | -735.8% |
| 1984 | 0.376 terawatt-hours | -211.6% |
| 1985 | -0.122 terawatt-hours | -132.4% |
| 1986 | -0.07 terawatt-hours | -42.6% |
| 1987 | -0.023 terawatt-hours | -67.1% |
| 1988 | 0.407 terawatt-hours | -1869.6% |
| 1989 | 2.05 terawatt-hours | +402.9% |
| 1990 | 1.53 terawatt-hours | -25.2% |
| 1991 | 0.948 terawatt-hours | -38.1% |
| 1992 | 0.911 terawatt-hours | -3.9% |
| 1993 | 0.737 terawatt-hours | -19.1% |
| 1994 | 1.28 terawatt-hours | +73.4% |
| 1995 | 1.34 terawatt-hours | +4.8% |
| 1996 | 1.43 terawatt-hours | +6.5% |
| 1997 | -0.351 terawatt-hours | -124.6% |
| 1998 | -0.562 terawatt-hours | +60.1% |
| 1999 | 2.68 terawatt-hours | -576.7% |
| 2000 | 0.777 terawatt-hours | -71.0% |
| 2001 | 3.66 terawatt-hours | +370.9% |
| 2002 | -0.012 terawatt-hours | -100.3% |
| 2003 | 0.788 terawatt-hours | -6667.2% |
| 2004 | -1.17 terawatt-hours | -248.2% |
| 2005 | -1.28 terawatt-hours | +9.8% |
| 2006 | 3.18 terawatt-hours | -347.5% |
| 2007 | 2.73 terawatt-hours | -14.2% |
| 2008 | 3.55 terawatt-hours | +30.1% |
| 2009 | 3.99 terawatt-hours | +12.6% |
| 2010 | -1.45 terawatt-hours | -136.4% |
| 2011 | 12.55 terawatt-hours | -964.0% |
| 2012 | 12.23 terawatt-hours | -2.6% |
| 2013 | 4.51 terawatt-hours | -63.1% |
| 2014 | 4.35 terawatt-hours | -3.7% |
| 2015 | -6.04 terawatt-hours | -239.0% |
| 2016 | 7.82 terawatt-hours | -229.4% |
| 2017 | 22 terawatt-hours | +181.4% |
| 2018 | -2.86 terawatt-hours | -113.0% |
| 2019 | -16.96 terawatt-hours | +493.4% |
| 2020 | 6.75 terawatt-hours | -139.8% |
| 2021 | 5.81 terawatt-hours | -14.0% |
| 2022 | 17.24 terawatt-hours | +196.9% |
| 2023 | -15.29 terawatt-hours | -188.7% |
| 2024 | 8.1 terawatt-hours | -153.0% |
| 2025 | 13.1 terawatt-hours | +61.7% |
Vietnam compared with similar countries
- Vietnam's 13.1 terawatt-hours is above the median for upper middle income countries, which is 0.3957 terawatt-hours, 33.1× the median. (24 countries reporting)
- Vietnam's 13.1 terawatt-hours is above the median for East Asia & Pacific, which is 0.6909 terawatt-hours, 19.0× the median. (12 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy from hydropower in Vietnam changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2003 | +6667.2% | -0.012 terawatt-hours | 0.788 terawatt-hours |
| 1988 | +1869.6% | -0.023 terawatt-hours | 0.407 terawatt-hours |
| 1972 | -1471.4% | 0.014 terawatt-hours | -0.192 terawatt-hours |
| 2011 | +964.0% | -1.45 terawatt-hours | 12.55 terawatt-hours |
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
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 3.68 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 4.24 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 16.73 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 1.89 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 16.73 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 12.35 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 18.98 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 23.56 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 93.83 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 10.27 (2050)
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) – 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 5th out of 80 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) – 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.