Electricity generation from nuclear in Japan
Japan: Electricity generation from nuclear was 94.09 terawatt-hours in 2025. ◆ Volatile
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 6th of 208 countries on this measure, in the top 10%.
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 | 0.6728 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
- 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 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 6th out of 208 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.