Primary energy from hydropower in Japan
Japan: Primary energy from hydropower was 74.25 terawatt-hours in 2025. ▬ Flat
Primary energy from hydropower in Japan, 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for primary energy from hydropower in Japan is 74.25 terawatt-hours, measured in 2025.
That represents a change of down 6.6% on the previous year and down 13.4% over ten years.
Over the whole period, primary energy from hydropower in Japan peaked at 94.42 terawatt-hours in 1991 and was at its lowest, 64.46 terawatt-hours, in 1994.
That places Japan 9th out of 77 countries with data for 2025, putting it in the top quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 74.55 terawatt-hours | 68.55 terawatt-hours | 79.35 terawatt-hours | 5 |
| 1970s | 78.49 terawatt-hours | 66.78 terawatt-hours | 85.1 terawatt-hours | 10 |
| 1980s | 83.39 terawatt-hours | 71.62 terawatt-hours | 91.74 terawatt-hours | 10 |
| 1990s | 83.37 terawatt-hours | 64.46 terawatt-hours | 94.42 terawatt-hours | 10 |
| 2000s | 81.73 terawatt-hours | 70.47 terawatt-hours | 92.47 terawatt-hours | 10 |
| 2010s | 80.85 terawatt-hours | 73.92 terawatt-hours | 88.5 terawatt-hours | 10 |
| 2020s | 76.85 terawatt-hours | 74.25 terawatt-hours | 79.63 terawatt-hours | 6 |
Countries ranked near Japan
More energy & mining data for Japan
- Fuel imports 19.6% (2025)
- Ores and metals imports 7.0% (2025)
- Ores and metals exports 3.6% (2025)
- Gas production 22.04 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 178.13 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 22.04 terawatt-hours (2024)
- Gas production per person 178.13 kilowatt-hours per person (2024)
- Fuel exports 1.2% (2025)
- Electric power transmission and distribution losses 4.9% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 55.1% (2022)
Frequently asked questions
- What is primary energy from hydropower in Japan?
- Primary energy from hydropower in Japan was 74.25 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest primary energy from hydropower recorded in Japan?
- The highest recorded value was 94.42 terawatt-hours in 1991.
- What is the lowest primary energy from hydropower recorded in Japan?
- The lowest recorded value was 64.46 terawatt-hours in 1994.
- How does Japan rank for primary energy from hydropower?
- Japan ranks 9th out of 77 countries with data for 2025.
- Is primary energy from hydropower rising or falling in Japan?
- Over the last ten years it is down 13.4%. The long-run trend across the full record is flat.
- Where does this Japan data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as part of Primary energy from hydropower. 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
Measured in terawatt-hours of total energy supply.