Bulgaria vs South Africa: Primary energy from hydropower
Bulgaria
2.78 terawatt-hours
in 2025
South Africa
1.79 terawatt-hours
in 2025
Bulgaria rank
52nd
South Africa rank
54th
Primary energy from hydropower over time
- Bulgaria
- South Africa
How they compare
Bulgaria currently reports 2.78 terawatt-hours against 1.79 terawatt-hours in South Africa, a difference of 0.99 terawatt-hours.
That makes Bulgaria's figure about 1.6 times South Africa's.
The two have swapped places 8 times across 61 shared years of data; in 1965 it was Bulgaria ahead.
Bulgaria ranks 52nd and South Africa ranks 54th of 80 countries.
Bulgaria has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Bulgaria | South Africa | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 1.84 terawatt-hours | 0.0288 terawatt-hours | 1.81 terawatt-hours | Bulgaria |
| 1970s | 2.62 terawatt-hours | 1.11 terawatt-hours | 1.51 terawatt-hours | Bulgaria |
| 1980s | 2.94 terawatt-hours | 1.46 terawatt-hours | 1.48 terawatt-hours | Bulgaria |
| 1990s | 2.25 terawatt-hours | 1.12 terawatt-hours | 1.12 terawatt-hours | Bulgaria |
| 2000s | 3.01 terawatt-hours | 1.65 terawatt-hours | 1.36 terawatt-hours | Bulgaria |
| 2010s | 4.02 terawatt-hours | 1.2 terawatt-hours | 2.81 terawatt-hours | Bulgaria |
| 2020s | 3.35 terawatt-hours | 1.72 terawatt-hours | 1.63 terawatt-hours | Bulgaria |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary energy from hydropower, Bulgaria or South Africa?
- Bulgaria, at 2.78 terawatt-hours against 1.79 terawatt-hours in South Africa as of 2025.
- What is the difference in primary energy from hydropower between Bulgaria and South Africa?
- 0.99 terawatt-hours, with Bulgaria ahead.
- How many years of comparable data are there for Bulgaria and South Africa?
- 61 years are reported by both, from 1965 to 2025.
- How do Bulgaria and South Africa rank globally for primary energy from hydropower?
- Bulgaria ranks 52nd and South Africa ranks 54th of 80 countries.
- Where does this data come from?
- Energy Institute - Statistical Review of World Energy (2026); Smil (2017) β with major processing by Our World in Data, published as Primary energy from hydropower. 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.