Hydropower generation by region in Spain

Spain: Hydropower generation by region was 33.75 terawatt-hours in 2025. ▬ Flat

Latest (2025)
33.75 terawatt-hours
Change on year
down 1.9%
World rank
20th
of 79 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

01020304050196519952025

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 20th out of 79 countries with data for 2025, putting it in the top quarter.

Averages by decade

DecadeAverage LowestHighest 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

  1. 17 Austria 36.8 terawatt-hours compare
  2. 18 Malaysia 34.6 terawatt-hours compare
  3. 19 Peru 34 terawatt-hours compare
  4. 21 Switzerland 32.27 terawatt-hours compare
  5. 22 Indonesia 31.85 terawatt-hours compare
  6. 23 Mexico 29.28 terawatt-hours compare

See the full ranking of 82 places →

More economy & growth data for Spain

All data for Spain →

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 20th out of 79 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

Indicator
Hydropower generation by region
Unit
terawatt-hours
Source
Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
82 places, 4,425 data points, 1965–2025
Last refreshed

Figures are based on gross primary hydroelectric generation and do not account for cross-border electricity supply.