CIS (EI) vs Iran: Fossil fuel production by fuel
CIS (EI)
7,984 terawatt-hours
in 2025
Iran
2,648 terawatt-hours
in 2025
CIS (EI) rank
2nd
Iran rank
4th
Fossil fuel production by fuel over time
- CIS (EI)
- Iran
How they compare
CIS (EI) currently reports 7,984 terawatt-hours against 2,648 terawatt-hours in Iran, a difference of 5,336 terawatt-hours.
That makes CIS (EI)'s figure about 3.0 times Iran's.
Across all 56 years both countries report, CIS (EI) has been ahead every year.
CIS (EI) ranks 2nd and Iran ranks 4th of 2 groups.
CIS (EI) has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | CIS (EI) | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 2,713 terawatt-hours | 107.93 terawatt-hours | 2,605 terawatt-hours | CIS (EI) |
| 1980s | 5,570 terawatt-hours | 91.27 terawatt-hours | 5,479 terawatt-hours | CIS (EI) |
| 1990s | 6,571 terawatt-hours | 333.75 terawatt-hours | 6,237 terawatt-hours | CIS (EI) |
| 2000s | 7,030 terawatt-hours | 941.72 terawatt-hours | 6,089 terawatt-hours | CIS (EI) |
| 2010s | 7,822 terawatt-hours | 1,830 terawatt-hours | 5,992 terawatt-hours | CIS (EI) |
| 2020s | 8,153 terawatt-hours | 2,522 terawatt-hours | 5,631 terawatt-hours | CIS (EI) |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher fossil fuel production by fuel, CIS (EI) or Iran?
- CIS (EI), at 7,984 terawatt-hours against 2,648 terawatt-hours in Iran as of 2025.
- What is the difference in fossil fuel production by fuel between CIS (EI) and Iran?
- 5,336 terawatt-hours, with CIS (EI) ahead.
- How many years of comparable data are there for CIS (EI) and Iran?
- 56 years are reported by both, from 1970 to 2025.
- How do CIS (EI) and Iran rank globally for fossil fuel production by fuel?
- CIS (EI) ranks 2nd and Iran ranks 4th of 2 groups.
- Where does this data come from?
- Energy Institute – Statistical Review of World Energy (2026); Etemad & Luciani (1991); U.S. Energy Information Administration (2026) – with major processing by Our World in Data, published as Fossil fuel production by fuel. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Measured in terawatt-hours. Excludes gas flared or recycled. Includes natural gas produced for Gas-to-Liquids transformation.