South Africa's electricity mix in June 2026
In June 2026 South Africa's grid generated 17 396.1 GWh, of which coal supplied 82.3%. Demand averaged 23 511 MW and peaked at 30 075 MW on 10 June 2026.
Total generated17 396.1GWh
Peak demand30 075MW
Renewables share7.0%
Carbon intensity861g/kWh
Unplanned outages10 417MW avg
Load shedding0GWh
Where the electricity came from
| Source | GWh | Share |
|---|---|---|
| Coal | 14 309.5 | 82.3% |
| Wind | 865.7 | 5.0% |
| Imports | 692.8 | 4.0% |
| Nuclear | 464.0 | 2.7% |
| Pumped storage | 360.6 | 2.1% |
| Solar PV | 294.8 | 1.7% |
| Hydro | 240.0 | 1.4% |
| Diesel peakers | 96.5 | 0.6% |
| Concentrated solar | 39.6 | 0.2% |
| Other renewables | 32.6 | 0.2% |
| Total supply | 17 396.1 | 100% |
Load shedding in June 2026
There was no load shedding in June 2026.
How this month compared
Carbon intensity averaged 861 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 7.0% of generation.
Figures are calculated from Eskom's published hourly data. Rooftop solar sits behind the meter and is not included.