Slovenia vs South Africa: Renewable energy
Slovenia
1.02 terawatt-hours
in 2025
South Africa
0.8523 terawatt-hours
in 2025
Slovenia rank
55th
South Africa rank
56th
Renewable energy over time
- Slovenia
- South Africa
How they compare
Slovenia currently reports 1.02 terawatt-hours against 0.8523 terawatt-hours in South Africa, a difference of 0.1677 terawatt-hours.
That makes Slovenia's figure about 1.2 times South Africa's.
The two have swapped places 1 time across 36 shared years of data; in 1990 it was South Africa ahead.
Slovenia ranks 55th and South Africa ranks 56th of 80 countries.
Across the 4 decades both report, Slovenia averaged higher in 1 and South Africa in 3.
Head to head by decade
| Decade | Slovenia | South Africa | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 0.0094 terawatt-hours | 0.1921 terawatt-hours | 0.1827 terawatt-hours | South Africa |
| 2000s | 0.3891 terawatt-hours | 1.31 terawatt-hours | 0.9193 terawatt-hours | South Africa |
| 2010s | 0.7978 terawatt-hours | 0.9984 terawatt-hours | 0.2006 terawatt-hours | South Africa |
| 2020s | 0.8725 terawatt-hours | 0.6031 terawatt-hours | 0.2694 terawatt-hours | Slovenia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher renewable energy, Slovenia or South Africa?
- Slovenia, at 1.02 terawatt-hours against 0.8523 terawatt-hours in South Africa as of 2025.
- What is the difference in renewable energy between Slovenia and South Africa?
- 0.1677 terawatt-hours, with Slovenia ahead.
- How many years of comparable data are there for Slovenia and South Africa?
- 36 years are reported by both, from 1990 to 2025.
- How do Slovenia and South Africa rank globally for renewable energy?
- Slovenia ranks 55th and South Africa ranks 56th of 80 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 Renewable 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.