Power rationing by Zesco has forced First Quantum Minerals to leave its greenfield Sentinel processing plant idle so as to redirect its electricity supply allocation to the Kansanshi copper mine and smelter. Kansanshi’s steady-state consumption level is around 153MW, but had been cut to 117MW by 25 July; Sentinel had been taking around 55MW, but Zesco cut that to 42MW. Power has also been cut by Zesco for Barrick Gold’s Lumwana open-pit copper mine
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