Hydropower generation by region in OECD (EI)
OECD (EI): Hydropower generation by region was 1,389 terawatt-hours in 2025. ▲ Rising
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
OECD (EI) recorded 1,389 terawatt-hours for hydropower generation by region in 2025.
Compared with earlier readings it 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.
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 economy & growth data for OECD (EI)
- Primary energy from hydropower 1,389 terawatt-hours (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 3 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.