Annual change in primary energy from hydropower in Portugal
Portugal: Annual change in primary energy from hydropower was -0.022 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
-0.022 terawatt-hours
Change on year
down 100.8%
World rank
40th
of 80 countries
All-time high
8.11 terawatt-hours
in 2013
All-time low
-9.83 terawatt-hours
in 2017
Years of data
60
1966–2025
Annual change in primary energy from hydropower in Portugal, 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 Portugal stood at -0.022 terawatt-hours.
Compared with earlier readings it is down 100.8% on the previous year and up 99.7% over ten years.
Over the whole period, annual change in primary energy from hydropower in Portugal peaked at 8.11 terawatt-hours in 2013 and was at its lowest, -9.83 terawatt-hours, in 2017.
Portugal ranks 40th of 80 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Annual change in primary energy from hydropower in Portugal, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1966 | 1.3 terawatt-hours | — |
| 1967 | 0.205 terawatt-hours | -84.2% |
| 1968 | -0.293 terawatt-hours | -242.9% |
| 1969 | 1.12 terawatt-hours | -483.3% |
| 1970 | -0.507 terawatt-hours | -145.1% |
| 1971 | 0.366 terawatt-hours | -172.2% |
| 1972 | 0.916 terawatt-hours | +150.3% |
| 1973 | 0.239 terawatt-hours | -73.9% |
| 1974 | 0.503 terawatt-hours | +110.5% |
| 1975 | -1.42 terawatt-hours | -381.9% |
| 1976 | -1.62 terawatt-hours | +14.5% |
| 1977 | 5.18 terawatt-hours | -419.1% |
| 1978 | 0.845 terawatt-hours | -83.7% |
| 1979 | 0.402 terawatt-hours | -52.4% |
| 1980 | -3.2 terawatt-hours | -895.5% |
| 1981 | -3 terawatt-hours | -6.3% |
| 1982 | 1.9 terawatt-hours | -163.5% |
| 1983 | 1.1 terawatt-hours | -41.9% |
| 1984 | 1.74 terawatt-hours | +57.4% |
| 1985 | 0.928 terawatt-hours | -46.6% |
| 1986 | -2.18 terawatt-hours | -334.8% |
| 1987 | 0.639 terawatt-hours | -129.3% |
| 1988 | 3.08 terawatt-hours | +382.0% |
| 1989 | -6.41 terawatt-hours | -308.2% |
| 1990 | 3.34 terawatt-hours | -152.0% |
| 1991 | -0.114 terawatt-hours | -103.4% |
| 1992 | -4.4 terawatt-hours | +3757.1% |
| 1993 | 3.89 terawatt-hours | -188.5% |
| 1994 | 2.12 terawatt-hours | -45.5% |
| 1995 | -2.31 terawatt-hours | -209.2% |
| 1996 | 6.42 terawatt-hours | -377.2% |
| 1997 | -1.66 terawatt-hours | -125.8% |
| 1998 | -0.122 terawatt-hours | -92.6% |
| 1999 | -5.7 terawatt-hours | +4569.6% |
| 2000 | 4.04 terawatt-hours | -170.9% |
| 2001 | 2.71 terawatt-hours | -32.8% |
| 2002 | -6.23 terawatt-hours | -330.0% |
| 2003 | 7.92 terawatt-hours | -227.1% |
| 2004 | -5.85 terawatt-hours | -173.9% |
| 2005 | -5.14 terawatt-hours | -12.2% |
| 2006 | 6.19 terawatt-hours | -220.4% |
| 2007 | -0.892 terawatt-hours | -114.4% |
| 2008 | -3.23 terawatt-hours | +261.9% |
| 2009 | 1.49 terawatt-hours | -146.0% |
| 2010 | 7.86 terawatt-hours | +429.1% |
| 2011 | -4.61 terawatt-hours | -158.7% |
| 2012 | -5.91 terawatt-hours | +28.2% |
| 2013 | 8.11 terawatt-hours | -237.1% |
| 2014 | 1.84 terawatt-hours | -77.3% |
| 2015 | -6.91 terawatt-hours | -475.7% |
| 2016 | 7.06 terawatt-hours | -202.2% |
| 2017 | -9.83 terawatt-hours | -239.1% |
| 2018 | 6.5 terawatt-hours | -166.1% |
| 2019 | -3.58 terawatt-hours | -155.0% |
| 2020 | 3.26 terawatt-hours | -191.3% |
| 2021 | -0.175 terawatt-hours | -105.4% |
| 2022 | -5.36 terawatt-hours | +2962.0% |
| 2023 | 5.49 terawatt-hours | -202.5% |
| 2024 | 2.85 terawatt-hours | -48.0% |
| 2025 | -0.022 terawatt-hours | -100.8% |
Portugal compared with similar countries
- Portugal's -0.022 terawatt-hours is above the median for high income countries, which is -0.1136 terawatt-hours, 19% of the median. (47 countries reporting)
- Portugal's -0.022 terawatt-hours is above the median for Europe & Central Asia, which is -0.2504 terawatt-hours, 9% of the median. (39 countries reporting)
Biggest year-on-year movements
Years where Annual change in primary energy from hydropower in Portugal 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 |
|---|---|---|---|
| 1999 | -4569.6% | -0.122 terawatt-hours | -5.7 terawatt-hours |
| 1992 | -3757.1% | -0.114 terawatt-hours | -4.4 terawatt-hours |
| 2022 | -2962.0% | -0.175 terawatt-hours | -5.36 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.584 terawatt-hours | -0.293 terawatt-hours | 1.3 terawatt-hours | 4 |
| 1970s | 0.4902 terawatt-hours | -1.62 terawatt-hours | 5.18 terawatt-hours | 10 |
| 1980s | -0.5394 terawatt-hours | -6.41 terawatt-hours | 3.08 terawatt-hours | 10 |
| 1990s | 0.1467 terawatt-hours | -5.7 terawatt-hours | 6.42 terawatt-hours | 10 |
| 2000s | 0.0999 terawatt-hours | -6.23 terawatt-hours | 7.92 terawatt-hours | 10 |
| 2010s | 0.0533 terawatt-hours | -9.83 terawatt-hours | 8.11 terawatt-hours | 10 |
| 2020s | 1.01 terawatt-hours | -5.36 terawatt-hours | 5.49 terawatt-hours | 6 |
Countries ranked near Portugal
More reference data data for Portugal
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.5144 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.4372 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 1.51 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0472 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 1.51 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 1.72 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 1.02 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 1.81 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 6.9 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.2572 (2050)
Frequently asked questions
- What is annual change in primary energy from hydropower in Portugal?
- Annual change in primary energy from hydropower in Portugal was -0.022 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 Portugal?
- The highest recorded value was 8.11 terawatt-hours in 2013.
- What is the lowest annual change in primary energy from hydropower recorded in Portugal?
- The lowest recorded value was -9.83 terawatt-hours in 2017.
- How does Portugal rank for annual change in primary energy from hydropower?
- Portugal ranks 40th out of 80 countries with data for 2025.
- Is annual change in primary energy from hydropower rising or falling in Portugal?
- Over the last ten years it is up 99.7%. The long-run trend across the full record is volatile.
- Where does this Portugal 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.
Download this data
CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.