CIS (EI) vs Iran: Primary energy use
CIS (EI)
11,292 terawatt-hours
in 2025
Iran
3,688 terawatt-hours
in 2025
CIS (EI) rank
3rd
Iran rank
6th
Primary energy use over time
- CIS (EI)
- Iran
How they compare
CIS (EI) currently reports 11,292 terawatt-hours against 3,688 terawatt-hours in Iran, a difference of 7,604 terawatt-hours.
That makes CIS (EI)'s figure about 3.1 times Iran's.
Across all 61 years both countries report, CIS (EI) has been ahead every year.
CIS (EI) ranks 3rd and Iran ranks 6th of 3 groups.
CIS (EI) has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | CIS (EI) | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 7,495 terawatt-hours | 113.88 terawatt-hours | 7,381 terawatt-hours | CIS (EI) |
| 1970s | 10,740 terawatt-hours | 295.7 terawatt-hours | 10,444 terawatt-hours | CIS (EI) |
| 1980s | 12,968 terawatt-hours | 555.53 terawatt-hours | 12,413 terawatt-hours | CIS (EI) |
| 1990s | 9,922 terawatt-hours | 1,039 terawatt-hours | 8,883 terawatt-hours | CIS (EI) |
| 2000s | 9,010 terawatt-hours | 1,883 terawatt-hours | 7,127 terawatt-hours | CIS (EI) |
| 2010s | 10,026 terawatt-hours | 2,793 terawatt-hours | 7,233 terawatt-hours | CIS (EI) |
| 2020s | 10,880 terawatt-hours | 3,526 terawatt-hours | 7,354 terawatt-hours | CIS (EI) |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy use, CIS (EI) or Iran?
- CIS (EI), at 11,292 terawatt-hours against 3,688 terawatt-hours in Iran as of 2025.
- What is the difference in primary energy use between CIS (EI) and Iran?
- 7,604 terawatt-hours, with CIS (EI) ahead.
- How many years of comparable data are there for CIS (EI) and Iran?
- 61 years are reported by both, from 1965 to 2025.
- How do CIS (EI) and Iran rank globally for primary energy use?
- CIS (EI) ranks 3rd and Iran ranks 6th of 3 groups.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as Primary energy use. 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.