AngloGold says power cut to cost it 20 000 oz of production
Gold miner AngloGold Ashanti warned last week that the fire at a substation in the West Wits region, which cut power to its TauTona and Mponeng operations last week, would result in its first-quarter production being about 20 000 oz lower.
State-owned power utility Eskom reported that a fire at a substation had resulted in supply being cut off to the Klerksdorp and Carletonville areas.
All main power supply to the TauTona and Mponeng operations were interrupted between March 13 and 15.
While emergency procedures enabled the safe and prompt evacuation of all underground work areas, continued disruption of power to the mines, owing to the unplanned interruption of the main Eskom electricity supply, halted all but essential water pumping services on the two operations.
“There was insufficient power to run ventilation and cooling plants, hoisting infrastructure or metallurgical plants and other associated production activities,” AngloGold Ashanti stated.
Eskom had partially restored power until the transformer could be repaired.
TauTona resumed underground mining activities on March 15, while the Mponeng operation resumed most of its operations on Monday; however, certain project and hoisting activities did not resume to enable the gold miner to operate within current electricity supply constraints.
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