Iran vs Romania: Hydropower generation by region
Iran
11.96 terawatt-hours
in 2025
Romania
12.13 terawatt-hours
in 2025
Iran rank
36th
Romania rank
35th
Hydropower generation by region over time
- Iran
- Romania
How they compare
Romania currently reports 12.13 terawatt-hours against 11.96 terawatt-hours in Iran, a difference of 0.17 terawatt-hours.
The two have swapped places 11 times across 61 shared years of data; in 1965 it was Iran ahead.
Iran ranks 36th and Romania ranks 35th of 79 countries.
Across the 7 decades both report, Iran averaged higher in 2 and Romania in 5.
Head to head by decade
| Decade | Iran | Romania | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 2 terawatt-hours | 1.46 terawatt-hours | 0.5403 terawatt-hours | Iran |
| 1970s | 3.77 terawatt-hours | 7.94 terawatt-hours | 4.17 terawatt-hours | Romania |
| 1980s | 6.59 terawatt-hours | 12.18 terawatt-hours | 5.59 terawatt-hours | Romania |
| 1990s | 7.53 terawatt-hours | 15.06 terawatt-hours | 7.53 terawatt-hours | Romania |
| 2000s | 10.25 terawatt-hours | 16.28 terawatt-hours | 6.03 terawatt-hours | Romania |
| 2010s | 15.22 terawatt-hours | 16.24 terawatt-hours | 1.02 terawatt-hours | Romania |
| 2020s | 17.45 terawatt-hours | 15.21 terawatt-hours | 2.24 terawatt-hours | Iran |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher hydropower generation by region, Iran or Romania?
- Romania, at 12.13 terawatt-hours against 11.96 terawatt-hours in Iran as of 2025.
- What is the difference in hydropower generation by region between Iran and Romania?
- 0.17 terawatt-hours, with Romania ahead.
- How many years of comparable data are there for Iran and Romania?
- 61 years are reported by both, from 1965 to 2025.
- How do Iran and Romania rank globally for hydropower generation by region?
- Iran ranks 36th and Romania ranks 35th of 79 countries.
- 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.