CIS (EI) vs Japan: Electricity production by source
CIS (EI)
293.32 terawatt-hours
in 2025
Japan
330.08 terawatt-hours
in 2025
CIS (EI) rank
2nd
Japan rank
4th
Electricity production by source over time
- CIS (EI)
- Japan
How they compare
Japan currently reports 330.08 terawatt-hours against 293.32 terawatt-hours in CIS (EI), a difference of 36.76 terawatt-hours.
That makes Japan's figure about 1.1 times CIS (EI)'s.
The two have swapped places 1 time across 41 shared years of data; in 1985 it was CIS (EI) ahead.
CIS (EI) ranks 2nd and Japan ranks 4th of 2 groups.
Across the 5 decades both report, CIS (EI) averaged higher in 2 and Japan in 3.
Head to head by decade
| Decade | CIS (EI) | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 220.68 terawatt-hours | 106.9 terawatt-hours | 113.77 terawatt-hours | CIS (EI) |
| 1990s | 212.57 terawatt-hours | 161.29 terawatt-hours | 51.28 terawatt-hours | CIS (EI) |
| 2000s | 223.66 terawatt-hours | 293.76 terawatt-hours | 70.11 terawatt-hours | Japan |
| 2010s | 242.01 terawatt-hours | 341.75 terawatt-hours | 99.74 terawatt-hours | Japan |
| 2020s | 281.81 terawatt-hours | 337.27 terawatt-hours | 55.46 terawatt-hours | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher electricity production by source, CIS (EI) or Japan?
- Japan, at 330.08 terawatt-hours against 293.32 terawatt-hours in CIS (EI) as of 2025.
- What is the difference in electricity production by source between CIS (EI) and Japan?
- 36.76 terawatt-hours, with Japan ahead.
- How many years of comparable data are there for CIS (EI) and Japan?
- 41 years are reported by both, from 1985 to 2025.
- How do CIS (EI) and Japan rank globally for electricity production by source?
- CIS (EI) ranks 2nd and Japan ranks 4th of 2 groups.
- Where does this data come from?
- Ember (2026) and other sources – with major processing by Our World in Data, published as Electricity production by source. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours.