CIS (EI) vs United States: Hydropower generation by region
CIS (EI)
258.2 terawatt-hours
in 2025
United States
244.14 terawatt-hours
in 2025
CIS (EI) rank
2nd
United States rank
4th
Hydropower generation by region over time
- CIS (EI)
- United States
How they compare
CIS (EI) currently reports 258.2 terawatt-hours against 244.14 terawatt-hours in United States, a difference of 14.06 terawatt-hours.
That makes CIS (EI)'s figure about 1.1 times United States's.
The two have swapped places 5 times across 61 shared years of data; in 1965 it was United States ahead.
CIS (EI) ranks 2nd and United States ranks 4th of 3 groups.
Across the 7 decades both report, CIS (EI) averaged higher in 1 and United States in 6.
Head to head by decade
| Decade | CIS (EI) | United States | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 96.21 terawatt-hours | 222.06 terawatt-hours | 125.85 terawatt-hours | United States |
| 1970s | 137.82 terawatt-hours | 278.41 terawatt-hours | 140.59 terawatt-hours | United States |
| 1980s | 191.91 terawatt-hours | 287.3 terawatt-hours | 95.39 terawatt-hours | United States |
| 1990s | 210.61 terawatt-hours | 302.31 terawatt-hours | 91.7 terawatt-hours | United States |
| 2000s | 216.35 terawatt-hours | 259.13 terawatt-hours | 42.78 terawatt-hours | United States |
| 2010s | 227.76 terawatt-hours | 275.17 terawatt-hours | 47.41 terawatt-hours | United States |
| 2020s | 259.41 terawatt-hours | 251.34 terawatt-hours | 8.08 terawatt-hours | CIS (EI) |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher hydropower generation by region, CIS (EI) or United States?
- CIS (EI), at 258.2 terawatt-hours against 244.14 terawatt-hours in United States as of 2025.
- What is the difference in hydropower generation by region between CIS (EI) and United States?
- 14.06 terawatt-hours, with CIS (EI) 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 hydropower generation by region?
- CIS (EI) ranks 2nd and United States ranks 4th of 3 groups.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026) – with major processing by Our World in Data, published as Hydropower generation by region. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Figures are based on gross primary hydroelectric generation and do not account for cross-border electricity supply.