Electricity generation from nuclear in Japan
Japan: Electricity generation from nuclear was 94.09 terawatt-hours in 2025. ◆ Volatile
Latest (2025)
94.09 terawatt-hours
Change on year
up 10.8%
World rank
7th
of 209 countries
All-time high
325.97 terawatt-hours
in 1998
All-time low
0 terawatt-hours
in 2014
Years of data
61
1965–2025
Electricity generation from nuclear in Japan, 1965–2025
Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, electricity generation from nuclear in Japan stood at 94.09 terawatt-hours.
Compared with earlier readings it is up 10.8% on the previous year and up 1,981.6% over ten years.
Over the whole period, electricity generation from nuclear in Japan peaked at 325.97 terawatt-hours in 1998 and was at its lowest, 0 terawatt-hours, in 2014.
Japan ranks 7th of 209 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Electricity generation from nuclear in Japan, year by year
| Year | terawatt-hours | Change |
|---|---|---|
| 1965 | 0.025 terawatt-hours | — |
| 1966 | 0.584 terawatt-hours | +2236.0% |
| 1967 | 0.629 terawatt-hours | +7.7% |
| 1968 | 1.04 terawatt-hours | +66.0% |
| 1969 | 1.08 terawatt-hours | +3.6% |
| 1970 | 4.58 terawatt-hours | +323.4% |
| 1971 | 8.01 terawatt-hours | +74.9% |
| 1972 | 9.48 terawatt-hours | +18.4% |
| 1973 | 9.71 terawatt-hours | +2.4% |
| 1974 | 19.7 terawatt-hours | +102.9% |
| 1975 | 25.12 terawatt-hours | +27.5% |
| 1976 | 34.08 terawatt-hours | +35.6% |
| 1977 | 31.66 terawatt-hours | -7.1% |
| 1978 | 59.31 terawatt-hours | +87.3% |
| 1979 | 70.39 terawatt-hours | +18.7% |
| 1980 | 82.59 terawatt-hours | +17.3% |
| 1981 | 87.82 terawatt-hours | +6.3% |
| 1982 | 102.43 terawatt-hours | +16.6% |
| 1983 | 114.29 terawatt-hours | +11.6% |
| 1984 | 134.26 terawatt-hours | +17.5% |
| 1985 | 159.58 terawatt-hours | +18.9% |
| 1986 | 165.37 terawatt-hours | +3.6% |
| 1987 | 188.6 terawatt-hours | +14.1% |
| 1988 | 173.9 terawatt-hours | -7.8% |
| 1989 | 185.81 terawatt-hours | +6.9% |
| 1990 | 194.57 terawatt-hours | +4.7% |
| 1991 | 208.69 terawatt-hours | +7.3% |
| 1992 | 217.03 terawatt-hours | +4.0% |
| 1993 | 247.7 terawatt-hours | +14.1% |
| 1994 | 258.25 terawatt-hours | +4.3% |
| 1995 | 286.89 terawatt-hours | +11.1% |
| 1996 | 296.5 terawatt-hours | +3.4% |
| 1997 | 321.16 terawatt-hours | +8.3% |
| 1998 | 325.97 terawatt-hours | +1.5% |
| 1999 | 317.24 terawatt-hours | -2.7% |
| 2000 | 319.12 terawatt-hours | +0.6% |
| 2001 | 320.54 terawatt-hours | +0.4% |
| 2002 | 314.26 terawatt-hours | -2.0% |
| 2003 | 230.08 terawatt-hours | -26.8% |
| 2004 | 285.87 terawatt-hours | +24.2% |
| 2005 | 293.04 terawatt-hours | +2.5% |
| 2006 | 304.29 terawatt-hours | +3.8% |
| 2007 | 279.01 terawatt-hours | -8.3% |
| 2008 | 251.74 terawatt-hours | -9.8% |
| 2009 | 274.65 terawatt-hours | +9.1% |
| 2010 | 292.36 terawatt-hours | +6.4% |
| 2011 | 162.93 terawatt-hours | -44.3% |
| 2012 | 17.99 terawatt-hours | -89.0% |
| 2013 | 14.6 terawatt-hours | -18.8% |
| 2014 | 0 terawatt-hours | -100.0% |
| 2015 | 4.52 terawatt-hours | — |
| 2016 | 17.68 terawatt-hours | +291.2% |
| 2017 | 29.07 terawatt-hours | +64.4% |
| 2018 | 49.11 terawatt-hours | +68.9% |
| 2019 | 65.64 terawatt-hours | +33.7% |
| 2020 | 43 terawatt-hours | -34.5% |
| 2021 | 61.22 terawatt-hours | +42.4% |
| 2022 | 51.77 terawatt-hours | -15.4% |
| 2023 | 77.46 terawatt-hours | +49.6% |
| 2024 | 84.91 terawatt-hours | +9.6% |
| 2025 | 94.09 terawatt-hours | +10.8% |
Biggest year-on-year movements
Years where Electricity generation from nuclear in Japan changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 1966 | +2236.0% | 0.025 terawatt-hours | 0.584 terawatt-hours |
| 1970 | +323.4% | 1.08 terawatt-hours | 4.58 terawatt-hours |
| 2016 | +291.2% | 4.52 terawatt-hours | 17.68 terawatt-hours |
| 2014 | -100.0% | 14.6 terawatt-hours | 0 terawatt-hours |
| 2012 | -89.0% | 162.93 terawatt-hours | 17.99 terawatt-hours |
| 1974 | +102.9% | 9.71 terawatt-hours | 19.7 terawatt-hours |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.6728 terawatt-hours | 0.025 terawatt-hours | 1.08 terawatt-hours | 5 |
| 1970s | 27.2 terawatt-hours | 4.58 terawatt-hours | 70.39 terawatt-hours | 10 |
| 1980s | 139.47 terawatt-hours | 82.59 terawatt-hours | 188.6 terawatt-hours | 10 |
| 1990s | 267.4 terawatt-hours | 194.57 terawatt-hours | 325.97 terawatt-hours | 10 |
| 2000s | 287.26 terawatt-hours | 230.08 terawatt-hours | 320.54 terawatt-hours | 10 |
| 2010s | 65.39 terawatt-hours | 0 terawatt-hours | 292.36 terawatt-hours | 10 |
| 2020s | 68.74 terawatt-hours | 43 terawatt-hours | 94.09 terawatt-hours | 6 |
Countries ranked near Japan
More energy & mining data for Japan
- Fossil fuel consumption by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, annual growth rate -0.7535 % change on previous year (2025)
- Coal consumption, per capita 0 terawatt-hours per person (2025)
- Coal consumption, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Primary energy use, per capita 0 terawatt-hours per person (2025)
- Coal production, per capita 0 terawatt-hours per person (2025)
- Coal production, per unit of GDP 0 terawatt-hours per US$ of GDP (2025)
- Fossil fuel consumption by fuel, per capita 0 terawatt-hours per person (2025)
- Fuel imports 19.6% (2025)
Frequently asked questions
- What is electricity generation from nuclear in Japan?
- Electricity generation from nuclear in Japan was 94.09 terawatt-hours in 2025, according to Ember (2026) and other sources – with major processing by Our World in Data.
- What is the highest electricity generation from nuclear recorded in Japan?
- The highest recorded value was 325.97 terawatt-hours in 1998.
- What is the lowest electricity generation from nuclear recorded in Japan?
- The lowest recorded value was 0 terawatt-hours in 2014.
- How does Japan rank for electricity generation from nuclear?
- Japan ranks 7th out of 209 countries with data for 2025.
- Is electricity generation from nuclear rising or falling in Japan?
- Over the last ten years it is up 1,981.6%. The long-run trend across the full record is volatile.
- Where does this Japan data come from?
- The figures come from Ember (2026) and other sources – with major processing by Our World in Data, published as part of Electricity generation from nuclear. 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.