So Eskom, the national power company, began cutting supplies to specific suburbs for hours at a time.

南非电力公司Eskom开始对特定郊区减少供电，一次仅供电几个小时。

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Eskom says that power exports are reduced when there is a shortage at home.

BBC: SA fumbles on through power chaos

They took the drastic measure after state power company Eskom said it could not guarantee supplies, raising fears of miners being trapped underground.

BBC: SA gold mines shut by power cuts

Power utility Eskom has indicated it has contingency plans, Steel said.

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