SA's gold industry has been dying slowly for years. Platinum may be next.

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A miner handles a piece of raw platinum ore.
A miner handles a piece of raw platinum ore.
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  • South Africa's platinum industry has cut spending over the past decade on mines responsible for 75% of global platinum supply.
  • Producers are delaying decisions to invest in new mines just as the country battles its the largest economic contraction since the Great Depression. 
  • The windfall from surging palladium prices - another platinum-group metal produced at South African mines - hasn’t been enough to justify large capital expenditure projects.


South Africa’s gold industry has been dying slowly for years. As the coronavirus undercuts the already fragile case for investment, its platinum mines may be next.

Beset by power and water shortages, alongside whipsawing government policies, South African producers have cut spending over the past decade on mines responsible for 75% of global platinum supply. The virus is accelerating that trend, damping demand for the catalytic converters that are the largest users of the metal, while stimulus packages push automakers to speed a shift to electric vehicles.

A series of mega open-cast projects risk being shelved - depriving a recession-hit economy of essential investment - but the toughest blow may land on the so-called western limb, the traditional heartland of the nation’s platinum belt.

"The western limb region has been the bedrock of South African platinum and that is in decline," said Mandi Dungwa, an analyst at Kagiso Asset Management Ltd. "It is the end of an investment cycle in those type of mines."

Shunning capital spending leaves one of South Africa’s biggest export industries in limbo, just as the demise of the nation’s gold mines enters its final phase. With about 170 000 people employed in platinum mining, the timing is bad for President Cyril Ramaphosa as he battles the biggest economic contraction since World War II.

Output from South Africa’s 130-year-old gold industry slumped over the past three decades as the geological challenges of operating the world’s deepest mines pushed up costs. The platinum deposits discovered by Hans Merensky in the 1920s contain about three-quarters of the world’s known resources, but were only exploited in the 1950s with a surge in demand from carmakers using the metal to cut exhaust pollution.

"The sun is definitely starting to set over some of the conventional, deep, high-grade, western limb areas," said Johan Theron, a spokesman for Impala Platinum Holdings Ltd. "It’s exactly like gold: there is more gold, but it’s deeper and requires more capex and prospects of making a return are slim."

Platinum output peaked in 2006, and the lack of investment in deep-level western limb shafts will result in a further sharp contraction in production over the next 10 years.

The windfall from surging palladium prices - another platinum-group metal produced at South African mines - refilled the coffers of local producers over the past 18 months but hasn’t been enough to justify large capital expenditure projects. That’s delaying the construction of the next generation of mines on the northern limb of the platinum belt, and hastening reserve depletion.

Delaying Investment 

In June, Implats balked at investing about R12 billion on building a new mine at Waterberg on the northern limb of the platinum belt. The outlook doesn’t support such spending over the next decade, said spokesman Theron.

Anglo American Platinum has delayed a decision until the second half of next year on whether to spend as much as $1.5 billion (R26.5 billion at current exchange rates) on expanding output at its key Mogalakwena mine.

Vancouver-based Ivanhoe Mines said it’s still evaluating finance for its new Platreef project, which could require about $1.5 billion of investment.

Still, notwithstanding the investment hiatus, the platinum sector remains in better shape than South Africa’s gold industry. Even without further spending, some deep-level mines have a 30-year lifespan, according to James Wellsted, a spokesman for Sibanye Stillwater, the world’s No. 1 platinum miner.

Still, investment decisions are complicated because of an uncertain regulatory and policy environment, among other challenges, Wellsted said.

With the pandemic creating doubts over future demand, the development of new, lower-cost mines has been put on hold.

"With Covid-19, all the companies went into cash preservation mode," said Arnold Van Graan, an analyst at Nedbank. "Over the next decade, there could be a big step change down in PGM production, if the industry does not invest."

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