Hydropower generation by region in OECD (EI)
OECD (EI): Hydropower generation by region was 1,389 terawatt-hours in 2025. ▲ Rising
Latest (2025)
1,389 terawatt-hours
Change on year
down 3.7%
Rank
1st
of 2 groups
All-time high
1,495 terawatt-hours
in 2020
All-time low
718.24 terawatt-hours
in 1965
Years of data
61
1965–2025
Hydropower generation by region in OECD (EI), 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 OECD (EI) stood at 1,389 terawatt-hours.
The figure is down 3.7% on the previous year and down 3.0% over ten years.
Over the whole period, hydropower generation by region in OECD (EI) peaked at 1,495 terawatt-hours in 2020 and was at its lowest, 718.24 terawatt-hours, in 1965.
The long-run direction has been consistently rising across the 61 years of available data.
Hydropower generation by region in OECD (EI), year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 718.24 terawatt-hours | — |
| 1966 | 759.4 terawatt-hours | +5.7% |
| 1967 | 779.61 terawatt-hours | +2.7% |
| 1968 | 801.34 terawatt-hours | +2.8% |
| 1969 | 839.02 terawatt-hours | +4.7% |
| 1970 | 863.16 terawatt-hours | +2.9% |
| 1971 | 899.34 terawatt-hours | +4.2% |
| 1972 | 938.44 terawatt-hours | +4.3% |
| 1973 | 940.64 terawatt-hours | +0.2% |
| 1974 | 1,031 terawatt-hours | +9.6% |
| 1975 | 1,033 terawatt-hours | +0.1% |
| 1976 | 996.22 terawatt-hours | -3.5% |
| 1977 | 1,003 terawatt-hours | +0.7% |
| 1978 | 1,075 terawatt-hours | +7.2% |
| 1979 | 1,121 terawatt-hours | +4.3% |
| 1980 | 1,114 terawatt-hours | -0.6% |
| 1981 | 1,131 terawatt-hours | +1.5% |
| 1982 | 1,162 terawatt-hours | +2.7% |
| 1983 | 1,213 terawatt-hours | +4.4% |
| 1984 | 1,216 terawatt-hours | +0.3% |
| 1985 | 1,215 terawatt-hours | -0.1% |
| 1986 | 1,209 terawatt-hours | -0.5% |
| 1987 | 1,211 terawatt-hours | +0.2% |
| 1988 | 1,226 terawatt-hours | +1.2% |
| 1989 | 1,194 terawatt-hours | -2.6% |
| 1990 | 1,233 terawatt-hours | +3.2% |
| 1991 | 1,247 terawatt-hours | +1.2% |
| 1992 | 1,234 terawatt-hours | -1.0% |
| 1993 | 1,311 terawatt-hours | +6.2% |
| 1994 | 1,268 terawatt-hours | -3.3% |
| 1995 | 1,355 terawatt-hours | +6.9% |
| 1996 | 1,392 terawatt-hours | +2.7% |
| 1997 | 1,417 terawatt-hours | +1.8% |
| 1998 | 1,383 terawatt-hours | -2.4% |
| 1999 | 1,397 terawatt-hours | +1.0% |
| 2000 | 1,401 terawatt-hours | +0.3% |
| 2001 | 1,299 terawatt-hours | -7.3% |
| 2002 | 1,323 terawatt-hours | +1.8% |
| 2003 | 1,299 terawatt-hours | -1.8% |
| 2004 | 1,330 terawatt-hours | +2.4% |
| 2005 | 1,342 terawatt-hours | +0.9% |
| 2006 | 1,365 terawatt-hours | +1.8% |
| 2007 | 1,330 terawatt-hours | -2.6% |
| 2008 | 1,386 terawatt-hours | +4.2% |
| 2009 | 1,369 terawatt-hours | -1.2% |
| 2010 | 1,409 terawatt-hours | +2.9% |
| 2011 | 1,445 terawatt-hours | +2.6% |
| 2012 | 1,450 terawatt-hours | +0.3% |
| 2013 | 1,467 terawatt-hours | +1.2% |
| 2014 | 1,445 terawatt-hours | -1.5% |
| 2015 | 1,432 terawatt-hours | -0.9% |
| 2016 | 1,461 terawatt-hours | +2.0% |
| 2017 | 1,457 terawatt-hours | -0.3% |
| 2018 | 1,490 terawatt-hours | +2.3% |
| 2019 | 1,456 terawatt-hours | -2.3% |
| 2020 | 1,495 terawatt-hours | +2.7% |
| 2021 | 1,449 terawatt-hours | -3.0% |
| 2022 | 1,394 terawatt-hours | -3.8% |
| 2023 | 1,389 terawatt-hours | -0.4% |
| 2024 | 1,442 terawatt-hours | +3.8% |
| 2025 | 1,389 terawatt-hours | -3.7% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 779.52 terawatt-hours | 718.24 terawatt-hours | 839.02 terawatt-hours | 5 |
| 1970s | 990.11 terawatt-hours | 863.16 terawatt-hours | 1,121 terawatt-hours | 10 |
| 1980s | 1,189 terawatt-hours | 1,114 terawatt-hours | 1,226 terawatt-hours | 10 |
| 1990s | 1,324 terawatt-hours | 1,233 terawatt-hours | 1,417 terawatt-hours | 10 |
| 2000s | 1,344 terawatt-hours | 1,299 terawatt-hours | 1,401 terawatt-hours | 10 |
| 2010s | 1,451 terawatt-hours | 1,409 terawatt-hours | 1,490 terawatt-hours | 10 |
| 2020s | 1,426 terawatt-hours | 1,389 terawatt-hours | 1,495 terawatt-hours | 6 |
Countries ranked near OECD (EI)
More energy & mining data for OECD (EI)
- Primary energy use, annual growth rate 0.7889 % change on previous year (2025)
- Fossil fuel production by fuel 16,830 terawatt-hours (2025)
- Gas production 16,830 terawatt-hours (2025)
- Primary energy use, annual growth rate 0.7889 % change on previous year (2025)
- Fossil fuel consumption, annual growth rate 0.6864 % change on previous year (2025)
- Annual change in primary energy use, annual growth rate -12.51 % change on previous year (2025)
- Oil consumption, annual growth rate 0.0378 % change on previous year (2025)
- Primary energy use, annual growth rate 0.7889 % change on previous year (2025)
- Share of electricity generation from fossil fuels 47.5% (2025)
- Coal consumption, annual growth rate 0.8368 % change on previous year (2025)
Frequently asked questions
- What is hydropower generation by region in OECD (EI)?
- Hydropower generation by region in OECD (EI) was 1,389 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 OECD (EI)?
- The highest recorded value was 1,495 terawatt-hours in 2020.
- What is the lowest hydropower generation by region recorded in OECD (EI)?
- The lowest recorded value was 718.24 terawatt-hours in 1965.
- How does OECD (EI) rank for hydropower generation by region?
- OECD (EI) ranks 1st out of 2 groups with data for 2025.
- Is hydropower generation by region rising or falling in OECD (EI)?
- Over the last ten years it is down 3.0%. The long-run trend across the full record is rising.
- Where does this OECD (EI) 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.