GridPulse ZA

South Africa's electricity, hour by hour

Live mix › Data › July 2026

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.

Total generated17 849.0GWh
Peak demand29 962MW
Renewables share6.8%
Carbon intensity870g/kWh
Unplanned outages7 419MW avg
Load shedding0GWh

Where the electricity came from

Generation by source, July 2026
SourceGWhShare
Coal14 837.083.1%
Imports810.84.5%
Wind766.64.3%
Nuclear484.92.7%
Pumped storage354.02.0%
Solar PV318.91.8%
Concentrated solar107.70.6%
Diesel peakers85.90.5%
Hydro54.70.3%
Other renewables28.60.2%
Total supply17 849.0100%

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.

See the live mix on GridPulse ZA