Bulgaria vs Romania: Primary energy from nuclear
Bulgaria
46.47 terawatt-hours
in 2025
Romania
33.37 terawatt-hours
in 2025
Bulgaria rank
23rd
Romania rank
24th
Primary energy from nuclear over time
- Bulgaria
- Romania
How they compare
Bulgaria currently reports 46.47 terawatt-hours against 33.37 terawatt-hours in Romania, a difference of 13.1 terawatt-hours.
That makes Bulgaria's figure about 1.4 times Romania's.
The two have swapped places 1 time across 61 shared years of data; in 1965 it was Romania ahead.
Bulgaria ranks 23rd and Romania ranks 24th of 213 countries.
Bulgaria has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Bulgaria | Romania | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 0 terawatt-hours | 0 terawatt-hours | 0 terawatt-hours | — |
| 1970s | 8.01 terawatt-hours | 0 terawatt-hours | 8.01 terawatt-hours | Bulgaria |
| 1980s | 36.16 terawatt-hours | 0 terawatt-hours | 36.16 terawatt-hours | Bulgaria |
| 1990s | 46.82 terawatt-hours | 5.24 terawatt-hours | 41.58 terawatt-hours | Bulgaria |
| 2000s | 53.29 terawatt-hours | 20.83 terawatt-hours | 32.46 terawatt-hours | Bulgaria |
| 2010s | 47.51 terawatt-hours | 34.92 terawatt-hours | 12.59 terawatt-hours | Bulgaria |
| 2020s | 48.91 terawatt-hours | 33.82 terawatt-hours | 15.1 terawatt-hours | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from nuclear, Bulgaria or Romania?
- Bulgaria, at 46.47 terawatt-hours against 33.37 terawatt-hours in Romania as of 2025.
- What is the difference in primary energy from nuclear between Bulgaria and Romania?
- 13.1 terawatt-hours, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and Romania?
- 61 years are reported by both, from 1965 to 2025.
- How do Bulgaria and Romania rank globally for primary energy from nuclear?
- Bulgaria ranks 23rd and Romania ranks 24th of 213 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 nuclear. 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.