Hydropower generation by region (Energy Institute) in Spain
Spain: Hydropower generation by region (Energy Institute) was 33.75 terawatt-hours in 2025. ▬ Flat
Latest (2025)
33.75 terawatt-hours
Change on year
down 1.9%
World rank
21st
of 80 countries
All-time high
46.4 terawatt-hours
in 1979
All-time low
17.59 terawatt-hours
in 2022
Years of data
61
1965–2025
Hydropower generation by region in Spain, 1965–2025
Source: Energy Institute – Statistical Review of World Energy (2026) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, hydropower generation by region in Spain stood at 33.75 terawatt-hours.
That represents a change of down 1.9% on the previous year and up 19.9% over ten years.
Over the whole period, hydropower generation by region in Spain peaked at 46.4 terawatt-hours in 1979 and was at its lowest, 17.59 terawatt-hours, in 2022.
That places Spain 21st out of 80 countries with data for 2025, putting it in the middle of the range.
Hydropower generation by region (Energy Institute) in Spain, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 19.69 terawatt-hours | — |
| 1966 | 27.26 terawatt-hours | +38.5% |
| 1967 | 22.66 terawatt-hours | -16.9% |
| 1968 | 24.39 terawatt-hours | +7.6% |
| 1969 | 30.6 terawatt-hours | +25.5% |
| 1970 | 27.77 terawatt-hours | -9.3% |
| 1971 | 31.82 terawatt-hours | +14.6% |
| 1972 | 35.47 terawatt-hours | +11.5% |
| 1973 | 28.91 terawatt-hours | -18.5% |
| 1974 | 30.57 terawatt-hours | +5.7% |
| 1975 | 26.07 terawatt-hours | -14.7% |
| 1976 | 20.93 terawatt-hours | -19.7% |
| 1977 | 39.63 terawatt-hours | +89.3% |
| 1978 | 40.25 terawatt-hours | +1.6% |
| 1979 | 46.4 terawatt-hours | +15.3% |
| 1980 | 29.55 terawatt-hours | -36.3% |
| 1981 | 21.94 terawatt-hours | -25.7% |
| 1982 | 26.33 terawatt-hours | +20.0% |
| 1983 | 27.05 terawatt-hours | +2.7% |
| 1984 | 31.48 terawatt-hours | +16.4% |
| 1985 | 31.29 terawatt-hours | -0.6% |
| 1986 | 26.49 terawatt-hours | -15.3% |
| 1987 | 27.38 terawatt-hours | +3.4% |
| 1988 | 35.25 terawatt-hours | +28.7% |
| 1989 | 19.35 terawatt-hours | -45.1% |
| 1990 | 25.41 terawatt-hours | +31.3% |
| 1991 | 27.28 terawatt-hours | +7.4% |
| 1992 | 18.92 terawatt-hours | -30.7% |
| 1993 | 24.38 terawatt-hours | +28.8% |
| 1994 | 28.18 terawatt-hours | +15.6% |
| 1995 | 23.11 terawatt-hours | -18.0% |
| 1996 | 39.8 terawatt-hours | +72.2% |
| 1997 | 34.78 terawatt-hours | -12.6% |
| 1998 | 34.01 terawatt-hours | -2.2% |
| 1999 | 22.86 terawatt-hours | -32.8% |
| 2000 | 29.57 terawatt-hours | +29.3% |
| 2001 | 41.03 terawatt-hours | +38.7% |
| 2002 | 22.92 terawatt-hours | -44.1% |
| 2003 | 41.05 terawatt-hours | +79.1% |
| 2004 | 31.68 terawatt-hours | -22.8% |
| 2005 | 17.87 terawatt-hours | -43.6% |
| 2006 | 25.89 terawatt-hours | +44.9% |
| 2007 | 27.23 terawatt-hours | +5.2% |
| 2008 | 23.53 terawatt-hours | -13.6% |
| 2009 | 26.35 terawatt-hours | +12.0% |
| 2010 | 42.04 terawatt-hours | +59.5% |
| 2011 | 30.6 terawatt-hours | -27.2% |
| 2012 | 20.55 terawatt-hours | -32.9% |
| 2013 | 36.78 terawatt-hours | +79.0% |
| 2014 | 39.17 terawatt-hours | +6.5% |
| 2015 | 28.14 terawatt-hours | -28.2% |
| 2016 | 36.39 terawatt-hours | +29.3% |
| 2017 | 18.32 terawatt-hours | -49.6% |
| 2018 | 34.33 terawatt-hours | +87.4% |
| 2019 | 22.49 terawatt-hours | -34.5% |
| 2020 | 30.51 terawatt-hours | +35.7% |
| 2021 | 29.63 terawatt-hours | -2.9% |
| 2022 | 17.59 terawatt-hours | -40.6% |
| 2023 | 25 terawatt-hours | +42.1% |
| 2024 | 34.41 terawatt-hours | +37.7% |
| 2025 | 33.75 terawatt-hours | -1.9% |
Spain compared with similar countries
- Spain's 33.75 terawatt-hours is above the median for high income countries, which is 3.45 terawatt-hours, 9.8× the median. (47 countries reporting)
- Spain's 33.75 terawatt-hours is above the median for Europe & Central Asia, which is 3.99 terawatt-hours, 8.5× the median. (39 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 24.92 terawatt-hours | 19.69 terawatt-hours | 30.6 terawatt-hours | 5 |
| 1970s | 32.78 terawatt-hours | 20.93 terawatt-hours | 46.4 terawatt-hours | 10 |
| 1980s | 27.61 terawatt-hours | 19.35 terawatt-hours | 35.25 terawatt-hours | 10 |
| 1990s | 27.87 terawatt-hours | 18.92 terawatt-hours | 39.8 terawatt-hours | 10 |
| 2000s | 28.71 terawatt-hours | 17.87 terawatt-hours | 41.05 terawatt-hours | 10 |
| 2010s | 30.88 terawatt-hours | 18.32 terawatt-hours | 42.04 terawatt-hours | 10 |
| 2020s | 28.48 terawatt-hours | 17.59 terawatt-hours | 34.41 terawatt-hours | 6 |
Countries ranked near Spain
More economy & growth data for Spain
- Real gdp growth, annual growth rate -19.94 % change on previous year (2025)
- Africa's Development Dynamics (AfDD) Table 04 - Annual real GDP 1.77 Percent per annum (2029)
- Africa's Development Dynamics (AfDD) Table 02 - Annual real GDP 1.62 Percent per annum (2029)
- SDRs holdings, US dollar, annual growth rate -9.14 % change on previous year (2025)
- SDRs holdings, US dollar, per unit of GDP 0.0077 units per US$ of GDP (2025)
- SDRs holdings, US dollar, per capita 298.15 units per person (2025)
- SDRs holdings, SDR, annual growth rate -13.48 % change on previous year (2025)
- SDRs holdings, SDR, per unit of GDP 0.0056 units per US$ of GDP (2025)
- SDRs holdings, SDR, per capita 217.71 units per person (2025)
- IMF holdings of currency, US dollar, annual growth rate 2.3 % change on previous year (2025)
Frequently asked questions
- What is hydropower generation by region in Spain?
- Hydropower generation by region in Spain was 33.75 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 Spain?
- The highest recorded value was 46.4 terawatt-hours in 1979.
- What is the lowest hydropower generation by region recorded in Spain?
- The lowest recorded value was 17.59 terawatt-hours in 2022.
- How does Spain rank for hydropower generation by region?
- Spain ranks 21st out of 80 countries with data for 2025.
- Is hydropower generation by region rising or falling in Spain?
- Over the last ten years it is up 19.9%. The long-run trend across the full record is flat.
- Where does this Spain 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.