Bulgaria vs Iran: Annual change in primary energy from solar and wind
Bulgaria
1.24 terawatt-hours
in 2025
Iran
1.24 terawatt-hours
in 2025
Bulgaria rank
36th
Iran rank
37th
Annual change in primary energy from solar and wind over time
- Bulgaria
- Iran
How they compare
Bulgaria currently reports 1.24 terawatt-hours against 1.24 terawatt-hours in Iran, a difference of 0 terawatt-hours.
The two have swapped places 7 times across 60 shared years of data; in 1966 it was Iran ahead.
Bulgaria ranks 36th and Iran ranks 37th of 111 countries.
Across the 7 decades both report, Bulgaria averaged higher in 3 and Iran in 1.
Head to head by decade
| Decade | Bulgaria | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1970s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1980s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1990s | 0 terawatt-hours | 0.0035 terawatt-hours | 0.0035 terawatt-hours | Iran |
| 2000s | 0.024 terawatt-hours | 0.0192 terawatt-hours | 0.0049 terawatt-hours | Bulgaria |
| 2010s | 0.2494 terawatt-hours | 0.1006 terawatt-hours | 0.1488 terawatt-hours | Bulgaria |
| 2020s | 0.8959 terawatt-hours | 0.3571 terawatt-hours | 0.5388 terawatt-hours | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from solar and wind, Bulgaria or Iran?
- Bulgaria, at 1.24 terawatt-hours against 1.24 terawatt-hours in Iran as of 2025.
- What is the difference in annual change in primary energy from solar and wind between Bulgaria and Iran?
- 0 terawatt-hours, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Iran?
- 60 years are reported by both, from 1966 to 2025.
- How do Bulgaria and Iran rank globally for annual change in primary energy from solar and wind?
- Bulgaria ranks 36th and Iran ranks 37th of 111 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 Annual change in primary energy from solar and wind. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Change in total energy supply relative to the previous year, measured in terawatt-hours.