Czechia vs South Africa: Annual change in primary energy from nuclear
Czechia
7.18 terawatt-hours
in 2025
South Africa
7.68 terawatt-hours
in 2025
Czechia rank
8th
South Africa rank
7th
Annual change in primary energy from nuclear over time
- Czechia
- South Africa
How they compare
South Africa currently reports 7.68 terawatt-hours against 7.18 terawatt-hours in Czechia, a difference of 0.5 terawatt-hours.
That makes South Africa's figure about 1.1 times Czechia's.
The two have swapped places 20 times across 60 shared years of data; in 1966 it was South Africa ahead.
Czechia ranks 8th and South Africa ranks 7th of 219 countries.
Across the 7 decades both report, Czechia averaged higher in 4 and South Africa in 1.
Head to head by decade
| Decade | Czechia | 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 | 3.76 terawatt-hours | 3.36 terawatt-hours | 0.3997 terawatt-hours | Czechia |
| 1990s | 0.2845 terawatt-hours | 0.5267 terawatt-hours | 0.2421 terawatt-hours | South Africa |
| 2000s | 4.2 terawatt-hours | -0.0094 terawatt-hours | 4.21 terawatt-hours | Czechia |
| 2010s | 0.9207 terawatt-hours | 0.4481 terawatt-hours | 0.4726 terawatt-hours | Czechia |
| 2020s | 0.9194 terawatt-hours | -1.79 terawatt-hours | 2.71 terawatt-hours | Czechia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual change in primary energy from nuclear, Czechia or South Africa?
- South Africa, at 7.68 terawatt-hours against 7.18 terawatt-hours in Czechia as of 2025.
- What is the difference in annual change in primary energy from nuclear between Czechia and South Africa?
- 0.5 terawatt-hours, with South Africa ahead.
- How many years of comparable data are there for Czechia and South Africa?
- 60 years are reported by both, from 1966 to 2025.
- How do Czechia and South Africa rank globally for annual change in primary energy from nuclear?
- Czechia ranks 8th and South Africa ranks 7th of 219 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 Annual change in primary energy from nuclear. 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.