Japan vs Spain: Solar energy generation vs. capacity
Japan
110,787 terawatt-hours
in 2025
Spain
64,534 terawatt-hours
in 2025
Japan rank
4th
Spain rank
7th
Solar energy generation vs. capacity over time
- Japan
- Spain
How they compare
Japan currently reports 110,787 terawatt-hours against 64,534 terawatt-hours in Spain, a difference of 46,253 terawatt-hours.
That makes Japan's figure about 1.7 times Spain's.
The two have swapped places 3 times across 61 shared years of data; in 1965 it was Spain ahead.
Japan ranks 4th and Spain ranks 7th of 79 countries.
Across the 7 decades both report, Japan averaged higher in 4 and Spain in 1.
Head to head by decade
| Decade | Japan | Spain | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1980s | 0 terawatt-hours | 0.6061 terawatt-hours | 0.6061 terawatt-hours | Spain |
| 1990s | 61.56 terawatt-hours | 11.2 terawatt-hours | 50.36 terawatt-hours | Japan |
| 2000s | 1,534 terawatt-hours | 948.19 terawatt-hours | 585.97 terawatt-hours | Japan |
| 2010s | 31,312 terawatt-hours | 12,417 terawatt-hours | 18,896 terawatt-hours | Japan |
| 2020s | 92,473 terawatt-hours | 42,483 terawatt-hours | 49,989 terawatt-hours | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher solar energy generation vs. capacity, Japan or Spain?
- Japan, at 110,787 terawatt-hours against 64,534 terawatt-hours in Spain as of 2025.
- What is the difference in solar energy generation vs. capacity between Japan and Spain?
- 46,253 terawatt-hours, with Japan ahead.
- How many years of comparable data are there for Japan and Spain?
- 61 years are reported by both, from 1965 to 2025.
- How do Japan and Spain rank globally for solar energy generation vs. capacity?
- Japan ranks 4th and Spain ranks 7th of 79 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Solar energy generation vs. capacity. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Figures are based on gross generation and do not account for cross-border electricity supply.