Annual percentage change in primary energy from hydropower in South Africa
South Africa: Annual percentage change in primary energy from hydropower was 67.0% in 2025. ◆ Volatile
Annual percentage change in primary energy from hydropower in South Africa, 1966–2025
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 hydropower in South Africa stood at 67.0%.
That represents a change of up 245.6% on the previous year and up 213.0% over ten years.
Over the whole period, annual percentage change in primary energy from hydropower in South Africa peaked at 644.6% in 1972 and was at its lowest, -80.6%, in 1993.
South Africa ranks 1st of 68 countries on this measure, in the top 10%.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | -12.7% | -27.8% | -2.7% | 4 |
| 1970s | 107.3% | -40.0% | 644.6% | 10 |
| 1980s | 22.1% | -41.4% | 160.1% | 10 |
| 1990s | 60.5% | -80.6% | 635.6% | 10 |
| 2000s | 19.9% | -60.3% | 117.5% | 10 |
| 2010s | 10.3% | -66.8% | 168.1% | 10 |
| 2020s | 33.9% | -46.1% | 107.2% | 6 |
Countries ranked near South Africa
More reference data data for South Africa
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.5111 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 8.71 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 13.63 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.7468 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 13.63 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 1.71 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 1.49 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 41.1 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 63.65 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 4.07 (2050)
Frequently asked questions
- What is annual percentage change in primary energy from hydropower in South Africa?
- Annual percentage change in primary energy from hydropower in South Africa was 67.0% 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 hydropower recorded in South Africa?
- The highest recorded value was 644.6% in 1972.
- What is the lowest annual percentage change in primary energy from hydropower recorded in South Africa?
- The lowest recorded value was -80.6% in 1993.
- How does South Africa rank for annual percentage change in primary energy from hydropower?
- South Africa ranks 1st out of 68 countries with data for 2025.
- Is annual percentage change in primary energy from hydropower rising or falling in South Africa?
- Over the last ten years it is up 213.0%. 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 hydropower. Statizoid updates them automatically from the source API.
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CSV · JSON — 60 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Percentage change in total energy supply relative to the previous year.