CIS (EI) vs Japan: Primary energy from solar
CIS (EI)
15.22 terawatt-hours
in 2025
Japan
110.79 terawatt-hours
in 2025
CIS (EI) rank
2nd
Japan rank
4th
Primary energy from solar over time
- CIS (EI)
- Japan
How they compare
Japan currently reports 110.79 terawatt-hours against 15.22 terawatt-hours in CIS (EI), a difference of 95.57 terawatt-hours.
That makes Japan's figure about 7.3 times CIS (EI)'s.
Across all 61 years both countries report, Japan has been ahead every year.
CIS (EI) ranks 2nd and Japan ranks 4th of 3 groups.
Japan has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | CIS (EI) | Japan | 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 terawatt-hours | 0 terawatt-hours | — |
| 1990s | 0 terawatt-hours | 0.0616 terawatt-hours | 0.0616 terawatt-hours | Japan |
| 2000s | 0 terawatt-hours | 1.53 terawatt-hours | 1.53 terawatt-hours | Japan |
| 2010s | 0.468 terawatt-hours | 31.31 terawatt-hours | 30.84 terawatt-hours | Japan |
| 2020s | 7.59 terawatt-hours | 92.47 terawatt-hours | 84.88 terawatt-hours | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from solar, CIS (EI) or Japan?
- Japan, at 110.79 terawatt-hours against 15.22 terawatt-hours in CIS (EI) as of 2025.
- What is the difference in primary energy from solar between CIS (EI) and Japan?
- 95.57 terawatt-hours, with Japan ahead.
- How many years of comparable data are there for CIS (EI) and Japan?
- 61 years are reported by both, from 1965 to 2025.
- How do CIS (EI) and Japan rank globally for primary energy from solar?
- CIS (EI) ranks 2nd and Japan ranks 4th of 3 groups.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as Primary energy from solar. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours of total energy supply.