Live mix › Data › September 2026
South Africa's electricity mix in September 2026
In September 2026 South Africa's grid generated 10 444.8 GWh, of which coal supplied 79.8%. Demand averaged 22 344 MW and peaked at 28 892 MW on 7 September 2026.
Total generated10 444.8GWh
Peak demand28 892MW
Renewables share9.9%
Carbon intensity836g/kWh
Unplanned outages–MW avg
Load shedding0GWh
Where the electricity came from
| Source | GWh | Share |
|---|---|---|
| Coal | 8 332.2 | 79.8% |
| Wind | 777.3 | 7.4% |
| Imports | 410.0 | 3.9% |
| Nuclear | 297.9 | 2.9% |
| Pumped storage | 194.9 | 1.9% |
| Solar PV | 185.4 | 1.8% |
| Hydro | 104.3 | 1.0% |
| Diesel peakers | 72.0 | 0.7% |
| Concentrated solar | 50.3 | 0.5% |
| Other renewables | 20.4 | 0.2% |
| Total supply | 10 444.8 | 100% |
Load shedding in September 2026
There was no load shedding in September 2026.
How this month compared
Carbon intensity averaged 836 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 9.9% of generation.
Figures are calculated from Eskom's published hourly data. Rooftop solar sits behind the meter and is not included.