Electricity generation from nuclear in South Africa

South Africa: Electricity generation from nuclear was 10.21 terawatt-hours in 2025. β—† Volatile

Latest (2025)
10.21 terawatt-hours
Change on year
up 30.9%
Rank
25th
of 208 groups
All-time high
15.03 terawatt-hours
in 2016
All-time low
0 terawatt-hours
in 1965
Years of data
61
1965–2025

Electricity generation from nuclear in South Africa, 1965–2025

051015196519952025

Source: Ember (2026) and other sources – with major processing by Our World in Data. Measured in terawatt-hours.

Analysis

South Africa recorded 10.21 terawatt-hours for electricity generation from nuclear in 2025.

The figure is up 30.9% on the previous year and down 16.6% over ten years.

Over the whole period, electricity generation from nuclear in South Africa peaked at 15.03 terawatt-hours in 2016 and was at its lowest, 0 terawatt-hours, in 1965.

That places South Africa 25th out of 208 groups with data for 2025, putting it in the top quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Averages by decade

DecadeAverage LowestHighest Years
1960s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours 5
1970s 0 terawatt-hours 0 terawatt-hours 0 terawatt-hours 10
1980s 4.58 terawatt-hours 0 terawatt-hours 11.1 terawatt-hours 10
1990s 10.6 terawatt-hours 7.25 terawatt-hours 13.6 terawatt-hours 10
2000s 12.02 terawatt-hours 10.03 terawatt-hours 13.37 terawatt-hours 10
2010s 13.36 terawatt-hours 11.58 terawatt-hours 15.03 terawatt-hours 10
2020s 9.74 terawatt-hours 7.8 terawatt-hours 12.35 terawatt-hours 6

Countries ranked near South Africa

  1. 22 Brazil 15.87 terawatt-hours compare
  2. 23 Bulgaria 14.85 terawatt-hours compare
  3. 24 Argentina 10.76 terawatt-hours compare
  4. 26 Romania 10.2 terawatt-hours compare
  5. 27 Mexico 10.16 terawatt-hours compare
  6. 28 Iran 7.35 terawatt-hours compare

See the full ranking of 211 places β†’

More energy & mining data for South Africa

All data for South Africa β†’

Frequently asked questions

What is electricity generation from nuclear in South Africa?
Electricity generation from nuclear in South Africa was 10.21 terawatt-hours in 2025, according to Ember (2026) and other sources – with major processing by Our World in Data.
What is the highest electricity generation from nuclear recorded in South Africa?
The highest recorded value was 15.03 terawatt-hours in 2016.
What is the lowest electricity generation from nuclear recorded in South Africa?
The lowest recorded value was 0 terawatt-hours in 1965.
How does South Africa rank for electricity generation from nuclear?
South Africa ranks 25th out of 208 groups with data for 2025.
Is electricity generation from nuclear rising or falling in South Africa?
Over the last ten years it is down 16.6%. The long-run trend across the full record is volatile.
Where does this South Africa data come from?
The figures come from Ember (2026) and other sources – with major processing by Our World in Data, published as part of Electricity generation from nuclear. Statizoid updates them automatically from the source API.

Download this data

CSV Β· JSON β€” 61 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Electricity generation from nuclear
Unit
terawatt-hours
Source
Ember (2026) and other sources – with major processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
211 places, 8,460 data points, 1920–2025
Last refreshed

Measured in terawatt-hours.