In the last full week of load-shedding – between 7 June and 13 June – the average contribution of wind generation during peak evening usage stood at 525MW.
In the most recent week of 28 June to 4 July 2021, the figure was more than double that – at 1,272MW. The week before that, wind generation’s contribution averaged at 1,077MW during the evening peak.
Eskom currently has nearly 5,350MW of renewable generation capacity, including more than 2,700MW of installed capacity at independent power producer (IPP) solar plants and 2,600MW of wind generation from both its own Sere project and private sectors farms.
Of course, Cape Town had been using it’s local hydropower station to supplement power and thereby usually managed to be a level lower than the rest of the country for load-shedding.
See How Eskom avoided more load-shedding this winter
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This is why Eskom has been able to avoid load-shedding for almost a month, despite continued cold temperatures in the country.