CIS (EI) vs United States: Primary energy use by source
CIS (EI)
1,521 terawatt-hours
in 2025
United States
2,425 terawatt-hours
in 2025
CIS (EI) rank
3rd
United States rank
3rd
Primary energy use by source over time
- CIS (EI)
- United States
How they compare
United States currently reports 2,425 terawatt-hours against 1,521 terawatt-hours in CIS (EI), a difference of 904 terawatt-hours.
That makes United States's figure about 1.6 times CIS (EI)'s.
The two have swapped places 1 time across 61 shared years of data; in 1965 it was CIS (EI) ahead.
CIS (EI) ranks 3rd and United States ranks 3rd of 3 groups.
Across the 7 decades both report, CIS (EI) averaged higher in 2 and United States in 5.
Head to head by decade
| Decade | CIS (EI) | United States | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 3,594 terawatt-hours | 3,360 terawatt-hours | 233.86 terawatt-hours | CIS (EI) |
| 1970s | 3,891 terawatt-hours | 3,635 terawatt-hours | 256.77 terawatt-hours | CIS (EI) |
| 1980s | 3,434 terawatt-hours | 4,741 terawatt-hours | 1,306 terawatt-hours | United States |
| 1990s | 1,930 terawatt-hours | 5,648 terawatt-hours | 3,717 terawatt-hours | United States |
| 2000s | 1,493 terawatt-hours | 6,160 terawatt-hours | 4,667 terawatt-hours | United States |
| 2010s | 1,494 terawatt-hours | 4,513 terawatt-hours | 3,018 terawatt-hours | United States |
| 2020s | 1,481 terawatt-hours | 2,525 terawatt-hours | 1,044 terawatt-hours | United States |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy use by source, CIS (EI) or United States?
- United States, at 2,425 terawatt-hours against 1,521 terawatt-hours in CIS (EI) as of 2025.
- What is the difference in primary energy use by source between CIS (EI) and United States?
- 904 terawatt-hours, with United States ahead.
- How many years of comparable data are there for CIS (EI) and United States?
- 61 years are reported by both, from 1965 to 2025.
- How do CIS (EI) and United States rank globally for primary energy use by source?
- CIS (EI) ranks 3rd and United States ranks 3rd 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 use 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 of total energy supply.