When South Africa’s State-owned utility announced record power cuts on Monday afternoon, Impala Platinum Holdings had two hours to hoist thousands of workers from 1 km deep shafts. The deepening crisis at debt-ridden Eskom Holdings shut down South Africa’s key mining industry for 24 hours, hitting gold and platinum producers that had been enjoying a renaissance on the back of higher metal prices. The rolling blackouts threaten to tip South Africa’s economy into recession and hobble miners already impacted by community protests and xenophobic violence.