South African mines grind to halt as floods worsen power crisis

JOHANNESBURG (Reuters) – Mines across South Africa are shutting down after flash flooding caused the largest power blackouts in more than a decade, threatening a key export sector in a further blow to the country’s already slowing economy.

Mine workers employed at Sibanye Gold’s Masimthembe shaft operate a drill in Westonaria, South Africa, April 3, 2017. REUTERS/Mike Hutchings/File Photo

Heavy rains across parts of South Africa have submerged whole neighbourhoods, leading to mass evacuations and aggravating problems at state-owned utility Eskom, which has been struggling to keep the lights on since 2008.

Harmony Gold, Impala Platinum, and Sibanye-Stillwater all said they had been forced to cut production since Monday owing to power shortages.

“There are very few underground mines that operated overnight and will be operating normally today,” said a spokesman for the Minerals Council, an industry body.

The mining industry contributed 350.8 billion rand ($23.85 billion) to the South African economy in 2018, according to the Minerals Council, around 7% of gross domestic product (GDP).

Eskom said on Tuesday it planned more load-shedding, a South African term for planned power cuts, having cut up to 6,000 megawatts (MW) from the national grid on Monday after flooding triggered failures at its Medupi coal fired plant.

President Cyril Ramaphosa cut short a state visit to Egypt in order to meet Eskom officials, local news agency EWN said on Tuesday. The presidency did not immediately respond to a request for comment.

“The ongoing load shedding is devastating for the country … causing our economy great harm and disrupting the lives of citizens,” Ramaphosa said in a statement earlier on Tuesday. “The energy challenges in this country will not be resolved overnight.”

Eskom’s chief operations officer Jan Oberholzer told the eNCA news channel that the crisis was “manageable” with 4,000 MW of Monday’s outages attributable to the flooding.

“The outlook for this week is to maintain load shedding because of the weather, because of the coal handling challenges that we’ve got,” he said.


Harmony Gold called off its underground shifts, saying they would resume as soon as Eskom could provide assurances the power supply would be more reliable, while Impala Platinum stopped production at its Rustenberg and Marula mines after it was left functioning at 20%-30% of normal power.

It later added that losses had already amounted to 120 million rand.

“We certainly can’t risk any attempt at production with this level of power,” a spokesman for the platinum miner said.

Anglo American said its operations had been affected but gave no further details. The company mines coal, diamonds, iron ore, and platinum in South Africa through its businesses De Beers, Kumba Iron Ore and Anglo American Platinum.

Sibanye-Stillwater shut all its deep-level mines on Monday but was aiming to send miners back underground for the afternoon shift on Tuesday at 1400 GMT.

A Gold Fields spokesman said the impact on its South Deep mine has been ‘limited’ so far, but prolonged power cuts at the current frequency would present challenges.

Petra Diamonds Ltd said on Monday it was in the process of halting operations at its Cullinan, Finsch and Koffiefontein mines in South Africa after Eskom asked the miner to reduce its electricity load.

($1 = 14.7075 rand)

Writing and additional reporting by Tim Cocks in Johannesburg. Editing by Kirsten Donovan

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