South Africa's electricity mix in July 2026
In July 2026 South Africa's grid generated 17 849.0 GWh, of which coal supplied 83.1%. Demand averaged 23 368 MW and peaked at 29 962 MW on 14 July 2026.
Where the electricity came from
| Source | GWh | Share |
|---|---|---|
| Coal | 14 837.0 | 83.1% |
| Imports | 810.8 | 4.5% |
| Wind | 766.6 | 4.3% |
| Nuclear | 484.9 | 2.7% |
| Pumped storage | 354.0 | 2.0% |
| Solar PV | 318.9 | 1.8% |
| Concentrated solar | 107.7 | 0.6% |
| Diesel peakers | 85.9 | 0.5% |
| Hydro | 54.7 | 0.3% |
| Other renewables | 28.6 | 0.2% |
| Total supply | 17 849.0 | 100% |
Load shedding in July 2026
There was no load shedding in July 2026. Separately, contracted industrial customers on interruptible supply were curtailed by 0.9 GWh. That is demand management, not load shedding.
How this month compared
Carbon intensity averaged 870 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 6.8% of generation.
Figures are calculated from Eskom's published hourly data. Rooftop solar sits behind the meter and is not included.