Live mix › Data › December 2024
South Africa's electricity mix in December 2024
In December 2024 South Africa's grid generated 18 040.9 GWh, of which coal supplied 78.3%. Demand averaged 23 749 MW and peaked at 28 684 MW on 4 December 2024.
Where the electricity came from
| Source | GWh | Share |
|---|---|---|
| Coal | 14 124.4 | 78.3% |
| Wind | 918.6 | 5.1% |
| Imports | 776.8 | 4.3% |
| Nuclear | 674.8 | 3.7% |
| Solar PV | 550.8 | 3.1% |
| Diesel peakers | 417.9 | 2.3% |
| Pumped storage | 338.1 | 1.9% |
| Concentrated solar | 159.2 | 0.9% |
| Hydro | 58.8 | 0.3% |
| Other renewables | 21.6 | 0.1% |
| Total supply | 18 040.9 | 100% |
Load shedding in December 2024
There was no load shedding in December 2024. Separately, contracted industrial customers on interruptible supply were curtailed by 5.4 GWh. That is demand management, not load shedding.
How this month compared
Carbon intensity averaged 832 grams of CO₂ per kilowatt-hour, against a world average of 458 g/kWh in 2025 and an Africa average of about 530 g/kWh. Renewables (wind, solar PV, CSP and other renewables reporting to Eskom) supplied 9.0% of generation.
Figures are calculated from Eskom's published hourly data. Rooftop solar sits behind the meter and is not included.