Solar energy generation vs. capacity in Japan
Japan: Solar energy generation vs. capacity was 110,787 terawatt-hours in 2025. β Volatile
Solar energy generation vs. capacity in Japan, 1965β2025
Source: Energy Institute - Statistical Review of World Energy (2026) β with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
The most recent figure for solar energy generation vs. capacity in Japan is 110,787 terawatt-hours, measured in 2025. That is the highest value across all 61 years on record.
That represents a change of up 14.5% on the previous year and up 220.7% over ten years.
Over the whole period, solar energy generation vs. capacity in Japan peaked at 110,787 terawatt-hours in 2025 and was at its lowest, 0 terawatt-hours, in 1965.
Japan ranks 4th of 79 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 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 5 |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | 10 |
| 1990s | 61.56 terawatt-hours | 1 terawatt-hours | 218.03 terawatt-hours | 10 |
| 2000s | 1,534 terawatt-hours | 344.06 terawatt-hours | 3,046 terawatt-hours | 10 |
| 2010s | 31,312 terawatt-hours | 3,981 terawatt-hours | 67,350 terawatt-hours | 10 |
| 2020s | 92,473 terawatt-hours | 75,664 terawatt-hours | 110,787 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)
- Fossil fuel production by fuel, per capita 0 terawatt-hours per person (2024)
- Fossil fuel production by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Gas production, per capita 0 terawatt-hours per person (2024)
Frequently asked questions
- What is solar energy generation vs. capacity in Japan?
- Solar energy generation vs. capacity in Japan was 110,787 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026) β with major processing by Our World in Data.
- What is the highest solar energy generation vs. capacity recorded in Japan?
- The highest recorded value was 110,787 terawatt-hours in 2025.
- What is the lowest solar energy generation vs. capacity recorded in Japan?
- The lowest recorded value was 0 terawatt-hours in 1965.
- How does Japan rank for solar energy generation vs. capacity?
- Japan ranks 4th out of 79 countries with data for 2025.
- Is solar energy generation vs. capacity rising or falling in Japan?
- Over the last ten years it is up 220.7%. 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) β with major processing by Our World in Data, published as part of Solar energy generation vs. capacity. Statizoid updates them automatically from the source API.
Download this data
CSV Β· JSON β 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Figures are based on gross generation and do not account for cross-border electricity supply.