Bulgaria vs South Africa: Hydropower generation by region
Bulgaria
2.78 terawatt-hours
in 2025
South Africa
1.79 terawatt-hours
in 2025
Bulgaria rank
52nd
South Africa rank
54th
Hydropower generation by region 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 hydropower generation by region, 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 hydropower generation by region 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 hydropower generation by region?
- 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) β 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.