Bulgaria vs South Africa: Annual change in primary energy from solar and wind
Bulgaria
1.24 terawatt-hours
in 2025
South Africa
1.34 terawatt-hours
in 2025
Bulgaria rank
36th
South Africa rank
34th
Annual change in primary energy from solar and wind over time
- Bulgaria
- South Africa
How they compare
South Africa currently reports 1.34 terawatt-hours against 1.24 terawatt-hours in Bulgaria, a difference of 0.1 terawatt-hours.
That makes South Africa's figure about 1.1 times Bulgaria's.
The two have swapped places 4 times across 60 shared years of data; in 1966 it was South Africa ahead.
Bulgaria ranks 36th and South Africa ranks 34th of 111 countries.
Across the 7 decades both report, Bulgaria averaged higher in 1 and South Africa in 2.
Head to head by decade
| Decade | Bulgaria | South Africa | 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 terawatt-hours | 0 terawatt-hours | — |
| 2000s | 0.024 terawatt-hours | 0.0053 terawatt-hours | 0.0187 terawatt-hours | Bulgaria |
| 2010s | 0.2494 terawatt-hours | 1.15 terawatt-hours | 0.8959 terawatt-hours | South Africa |
| 2020s | 0.8959 terawatt-hours | 3.06 terawatt-hours | 2.16 terawatt-hours | South Africa |
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 South Africa?
- South Africa, at 1.34 terawatt-hours against 1.24 terawatt-hours in Bulgaria as of 2025.
- What is the difference in annual change in primary energy from solar and wind between Bulgaria and South Africa?
- 0.1 terawatt-hours, with South Africa ahead.
- How many years of comparable data are there for Bulgaria and South Africa?
- 60 years are reported by both, from 1966 to 2025.
- How do Bulgaria and South Africa rank globally for annual change in primary energy from solar and wind?
- Bulgaria ranks 36th and South Africa ranks 34th 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.