Primary energy from hydropower in Japan

Japan: Primary energy from hydropower was 74.25 terawatt-hours in 2025. ▬ Flat

Latest (2025)
74.25 terawatt-hours
Change on year
down 6.6%
World rank
10th
of 80 countries
All-time high
94.42 terawatt-hours
in 1991
All-time low
64.46 terawatt-hours
in 1994
Years of data
61
1965–2025

Primary energy from hydropower in Japan, 1965–2025

020406080100196519952025

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 10th out of 80 countries with data for 2025, putting it in the top quarter.

Primary energy from hydropower in Japan, year by year

Annual values for Primary energy from hydropower in Japan, 1965 to 2025.
Year terawatt-hours Change
1965 76.07 terawatt-hours
1966 79.35 terawatt-hours +4.3%
1967 68.55 terawatt-hours -13.6%
1968 73.45 terawatt-hours +7.1%
1969 75.35 terawatt-hours +2.6%
1970 75.4 terawatt-hours +0.1%
1971 84.2 terawatt-hours +11.7%
1972 85.1 terawatt-hours +1.1%
1973 66.78 terawatt-hours -21.5%
1974 82.68 terawatt-hours +23.8%
1975 83.41 terawatt-hours +0.9%
1976 83.59 terawatt-hours +0.2%
1977 72.97 terawatt-hours -12.7%
1978 70.05 terawatt-hours -4.0%
1979 80.74 terawatt-hours +15.3%
1980 88.29 terawatt-hours +9.3%
1981 87.59 terawatt-hours -0.8%
1982 81.61 terawatt-hours -6.8%
1983 84.27 terawatt-hours +3.3%
1984 71.62 terawatt-hours -15.0%
1985 82.87 terawatt-hours +15.7%
1986 80.82 terawatt-hours -2.5%
1987 74.79 terawatt-hours -7.5%
1988 90.29 terawatt-hours +20.7%
1989 91.74 terawatt-hours +1.6%
1990 86.89 terawatt-hours -5.3%
1991 94.42 terawatt-hours +8.7%
1992 80.05 terawatt-hours -15.2%
1993 92.58 terawatt-hours +15.7%
1994 64.46 terawatt-hours -30.4%
1995 78.79 terawatt-hours +22.2%
1996 77.17 terawatt-hours -2.1%
1997 86.44 terawatt-hours +12.0%
1998 89.08 terawatt-hours +3.1%
1999 83.79 terawatt-hours -5.9%
2000 84.47 terawatt-hours +0.8%
2001 81.54 terawatt-hours -3.5%
2002 80.6 terawatt-hours -1.1%
2003 92.47 terawatt-hours +14.7%
2004 91.67 terawatt-hours -0.9%
2005 77.56 terawatt-hours -15.4%
2006 88.81 terawatt-hours +14.5%
2007 74.51 terawatt-hours -16.1%
2008 75.16 terawatt-hours +0.9%
2009 70.47 terawatt-hours -6.3%
2010 88.5 terawatt-hours +25.6%
2011 82.49 terawatt-hours -6.8%
2012 77.1 terawatt-hours -6.5%
2013 79.33 terawatt-hours +2.9%
2014 81.71 terawatt-hours +3.0%
2015 85.77 terawatt-hours +5.0%
2016 79.43 terawatt-hours -7.4%
2017 79.24 terawatt-hours -0.2%
2018 81 terawatt-hours +2.2%
2019 73.92 terawatt-hours -8.7%
2020 78.33 terawatt-hours +6.0%
2021 79.63 terawatt-hours +1.7%
2022 74.87 terawatt-hours -6.0%
2023 74.53 terawatt-hours -0.5%
2024 79.48 terawatt-hours +6.6%
2025 74.25 terawatt-hours -6.6%

Japan compared with similar countries

  • Japan's 74.25 terawatt-hours is above the median for high income countries, which is 3.45 terawatt-hours, 21.5× the median. (47 countries reporting)
  • Japan's 74.25 terawatt-hours is above the median for East Asia & Pacific, which is 18.9 terawatt-hours, 3.9× the median. (12 countries reporting)

Averages by decade

DecadeAverage LowestHighest 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

  1. 7 India 178.2 terawatt-hours compare
  2. 8 Norway 145.15 terawatt-hours compare
  3. 9 Vietnam 101.83 terawatt-hours compare
  4. 11 Venezuela 72.64 terawatt-hours compare
  5. 12 Sweden 68.34 terawatt-hours compare
  6. 13 Colombia 68.11 terawatt-hours compare

See the full ranking of 82 places →

More energy & mining data for Japan

All data for Japan →

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 10th out of 80 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.

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Primary energy from hydropower in Japan. Statizoid, drawing on Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Retrieved 23 September 2026, from https://energy.statizoid.com/stat/primary-energy-hydro/japan/

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About this data

Indicator
Primary energy from hydropower
Unit
terawatt-hours
Source
Energy Institute – Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
82 places, 4,686 data points, 1965–2025
Last refreshed

Measured in terawatt-hours of total energy supply.