Power utility Eskom on Wednesday called on consumers to switch off geysers, pool pumps and all non-e.
On the field at Greyville horse track, the news of the day was the loss of the hot favourite Jackson.
Instead, the main race was won by Pomodoro, to give jockey Pierre 'Striker' Strydom his third victory in the big race, the organisers said. Second was outsider Smanjemanje. Chesalon finished next best, giving its rider Jeff Lloyd third place in the big race for an amazing ninth time.