Bulgaria vs Iceland: Primary energy from low-carbon energy
Bulgaria
64.86 terawatt-hours
in 2025
Iceland
69.81 terawatt-hours
in 2025
Bulgaria rank
42nd
Iceland rank
39th
Primary energy from low-carbon energy over time
- Bulgaria
- Iceland
How they compare
Iceland currently reports 69.81 terawatt-hours against 64.86 terawatt-hours in Bulgaria, a difference of 4.95 terawatt-hours.
That makes Iceland's figure about 1.1 times Bulgaria's.
The two have swapped places 1 time across 61 shared years of data; in 1965 it was Bulgaria ahead.
Bulgaria ranks 42nd and Iceland ranks 39th of 77 countries.
Across the 7 decades both report, Bulgaria averaged higher in 5 and Iceland in 2.
Head to head by decade
| Decade | Bulgaria | Iceland | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 1.84 terawatt-hours | 0.699 terawatt-hours | 1.14 terawatt-hours | Bulgaria |
| 1970s | 10.64 terawatt-hours | 2.35 terawatt-hours | 8.28 terawatt-hours | Bulgaria |
| 1980s | 39.09 terawatt-hours | 5.46 terawatt-hours | 33.64 terawatt-hours | Bulgaria |
| 1990s | 49.07 terawatt-hours | 8.9 terawatt-hours | 40.17 terawatt-hours | Bulgaria |
| 2000s | 56.36 terawatt-hours | 31.72 terawatt-hours | 24.64 terawatt-hours | Bulgaria |
| 2010s | 56.62 terawatt-hours | 65.41 terawatt-hours | 8.79 terawatt-hours | Iceland |
| 2020s | 65.23 terawatt-hours | 72.81 terawatt-hours | 7.58 terawatt-hours | Iceland |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from low-carbon energy, Bulgaria or Iceland?
- Iceland, at 69.81 terawatt-hours against 64.86 terawatt-hours in Bulgaria as of 2025.
- What is the difference in primary energy from low-carbon energy between Bulgaria and Iceland?
- 4.95 terawatt-hours, with Iceland ahead.
- How many years of comparable data are there for Bulgaria and Iceland?
- 61 years are reported by both, from 1965 to 2025.
- How do Bulgaria and Iceland rank globally for primary energy from low-carbon energy?
- Bulgaria ranks 42nd and Iceland ranks 39th of 77 countries.
- 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 from low-carbon energy. 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.