Annual change in primary energy from hydropower in Japan
Japan: Annual change in primary energy from hydropower was -5.23 terawatt-hours in 2025. ◆ Volatile
Annual change in primary energy from hydropower in Japan, 1966–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, annual change in primary energy from hydropower in Japan stood at -5.23 terawatt-hours.
Compared with earlier readings it is down 205.6% on the previous year and down 228.9% over ten years.
Over the whole period, annual change in primary energy from hydropower in Japan peaked at 18.04 terawatt-hours in 2010 and was at its lowest, -28.12 terawatt-hours, in 1994.
Japan ranks 67th of 77 countries on this measure, in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | -0.18 terawatt-hours | -10.8 terawatt-hours | 4.9 terawatt-hours | 4 |
| 1970s | 0.5393 terawatt-hours | -18.32 terawatt-hours | 15.9 terawatt-hours | 10 |
| 1980s | 1.1 terawatt-hours | -12.66 terawatt-hours | 15.5 terawatt-hours | 10 |
| 1990s | -0.7949 terawatt-hours | -28.12 terawatt-hours | 14.33 terawatt-hours | 10 |
| 2000s | -1.33 terawatt-hours | -14.3 terawatt-hours | 11.87 terawatt-hours | 10 |
| 2010s | 0.3453 terawatt-hours | -7.08 terawatt-hours | 18.04 terawatt-hours | 10 |
| 2020s | 0.0556 terawatt-hours | -5.23 terawatt-hours | 4.95 terawatt-hours | 6 |
Countries ranked near Japan
More reference data data for Japan
- Spring temperature anomalies 1.24 °C (2026)
- Summer temperature anomalies 0.1053 °C (2026)
- Temperature anomalies by month -0.7172 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 1.9 °C (2025)
- Winter temperature anomalies 0.5865 °C (2025)
- Consumer price index 118.04 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is annual change in primary energy from hydropower in Japan?
- Annual change in primary energy from hydropower in Japan was -5.23 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 annual change in primary energy from hydropower recorded in Japan?
- The highest recorded value was 18.04 terawatt-hours in 2010.
- What is the lowest annual change in primary energy from hydropower recorded in Japan?
- The lowest recorded value was -28.12 terawatt-hours in 1994.
- How does Japan rank for annual change in primary energy from hydropower?
- Japan ranks 67th out of 77 countries with data for 2025.
- Is annual change in primary energy from hydropower rising or falling in Japan?
- Over the last ten years it is down 228.9%. The long-run trend across the full record is volatile.
- 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 Annual change in primary energy from hydropower. Statizoid updates them automatically from the source API.
Download this data
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About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.