Annual percentage change in primary energy from nuclear in South Africa
South Africa: Annual percentage change in primary energy from nuclear was 30.9% in 2025. ◆ Volatile
Annual percentage change in primary energy from nuclear in South Africa, 1985–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in %.
Analysis
In 2025, annual percentage change in primary energy from nuclear in South Africa stood at 30.9%.
The figure is up 862.3% on the previous year and up 373.9% over ten years.
Over the whole period, annual percentage change in primary energy from nuclear in South Africa peaked at 70.1% in 1988 and was at its lowest, -29.9%, in 1987.
That places South Africa 1st out of 36 countries with data for 2025, putting it in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Annual percentage change in primary energy from nuclear in South Africa, year by year
| Year | % | Change |
|---|---|---|
| 1985 | 35.4% | — |
| 1986 | 65.6% | +85.3% |
| 1987 | -29.9% | -145.6% |
| 1988 | 70.1% | -334.3% |
| 1989 | 5.8% | -91.8% |
| 1990 | -23.9% | -513.4% |
| 1991 | 8.2% | -134.5% |
| 1992 | 1.6% | -80.9% |
| 1993 | -21.9% | -1489.9% |
| 1994 | 33.7% | -253.8% |
| 1995 | 16.5% | -50.9% |
| 1996 | 4.2% | -74.6% |
| 1997 | 7.4% | +76.6% |
| 1998 | 7.5% | +1.9% |
| 1999 | -5.6% | -174.5% |
| 2000 | 1.3% | -124.0% |
| 2001 | -17.6% | -1406.7% |
| 2002 | 11.9% | -167.4% |
| 2003 | 5.6% | -52.8% |
| 2004 | 5.5% | -1.1% |
| 2005 | -15.5% | -379.7% |
| 2006 | -11.2% | -27.7% |
| 2007 | 12.9% | -214.8% |
| 2008 | 14.9% | +15.8% |
| 2009 | -1.5% | -110.2% |
| 2010 | 5.6% | -469.8% |
| 2011 | -4.6% | -182.1% |
| 2012 | 0.5% | -111.0% |
| 2013 | 8.8% | +1631.2% |
| 2014 | -2.2% | -125.2% |
| 2015 | -11.3% | +410.3% |
| 2016 | 22.8% | -301.9% |
| 2017 | -5.5% | -124.3% |
| 2018 | -21.9% | +294.5% |
| 2019 | 28.8% | -231.8% |
| 2020 | -15.2% | -152.9% |
| 2021 | 5.6% | -136.8% |
| 2022 | -17.2% | -405.4% |
| 2023 | -19.3% | +12.7% |
| 2024 | -4.1% | -79.0% |
| 2025 | 30.9% | -862.3% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 29.4% | -29.9% | 70.1% | 5 |
| 1990s | 2.8% | -23.9% | 33.7% | 10 |
| 2000s | 0.6% | -17.6% | 14.9% | 10 |
| 2010s | 2.1% | -21.9% | 28.8% | 10 |
| 2020s | -3.2% | -19.3% | 30.9% | 6 |
Countries ranked near South Africa
- 2 USSR 29.1%
- 3 Netherlands 12.4% compare
- 4 Japan 10.8% compare
More energy & mining data for South Africa
- Fuel imports 17.7% (2025)
- Ores and metals imports 2.5% (2025)
- Ores and metals exports 30.3% (2025)
- Gas production 0.6284 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 9.82 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0.6284 terawatt-hours (2024)
- Gas production per person 9.82 kilowatt-hours per person (2024)
- Fossil fuel production by fuel, per capita 0 terawatt-hours per person (2024)
- Fossil fuel production by fuel, per unit of GDP 0 terawatt-hours per US$ of GDP (2024)
- Gas production, per capita 0 terawatt-hours per person (2024)
Frequently asked questions
- What is annual percentage change in primary energy from nuclear in South Africa?
- Annual percentage change in primary energy from nuclear in South Africa was 30.9% in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest annual percentage change in primary energy from nuclear recorded in South Africa?
- The highest recorded value was 70.1% in 1988.
- What is the lowest annual percentage change in primary energy from nuclear recorded in South Africa?
- The lowest recorded value was -29.9% in 1987.
- How does South Africa rank for annual percentage change in primary energy from nuclear?
- South Africa ranks 1st out of 36 countries with data for 2025.
- Is annual percentage change in primary energy from nuclear rising or falling in South Africa?
- Over the last ten years it is up 373.9%. The long-run trend across the full record is volatile.
- Where does this South Africa data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as part of Annual percentage change in primary energy from nuclear. Statizoid updates them automatically from the source API.
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About this data
Percentage change in total energy supply relative to the previous year.