Congo-Kinshasa: Glencore's Closure of Congolese Cobalt Mine 'Could Backfire'

A satellite image of the Mutanda mine in Mutanda in the Katanga Province of the Democratic Republic of the Congo, near Kolwezi.

Plummeting cobalt prices have been blamed for the closure of the giant Mutanda mine, but other factors are at play. Owner Glencore is struggling to get the DRC's new president to overturn a 50% super-profits tax.

Cobalt -- a byproduct of copper and nickel in mining activities -- is an essential component in electric car and mobile phone batteries. The metal was supposed to help Glencore, the world's largest miner, to ride the electro-mobility and smartphone boom.

But a sudden 40% collapse in cobalt prices prompted the British-Swiss multinational to announce earlier this month the temporary closure of its massive Mutanda mine in the Democratic Republic of Congo.

Mutanda, which alone produced a fifth of global cobalt supplies last year is expected to be placed in "care and maintenance" mode at the end of the year. But it could eventually restart production when the price of cobalt recovers.

Even so, the fate of its 7,000-strong workforce hangs in the balance.

Long-running dispute

Even more punishing is a 50% super-profits tax, which kicks in when profits exceed 25% of those forecast in the mine's original feasibility study. Glencore complained that the prices were set several years ago when cobalt was worth much less than today.

"There is no doubt that this super-profits tax would make a mine unprofitable," Ellis told DW, adding that the DRC government last year also removed a mechanism that gave mining companies a decade to plan for any new regulatory regime.

Ellis said Glencore lost patience with the Congo's deadlocked politics after Tshisekedi took four months to announce a new prime minister as he sparred with Kabila's Common Front for Congo (FCC) party, which continues to hold an absolute majority in parliament.

The price of cobalt surged between 2016 and 2018 after the auto industry declared the combustion engine era over and the age of electromobility upon us.

The change of strategy prompted producing nations, including Australia, Canada, Russia and Zambia to ramp up cobalt output to meet demand. But supply quickly overtook demand, forcing prices to a three-year low last month.

The price peaked at $43 a pound in March 2018, but by July had collapsed to $11.80.

World's largest cobalt miner

Although cobalt isn't a huge part of Glencore's business, the company is still the largest miner of the metal. It says it paid $626 million in taxes from Mutanda last year, more than a tenth of the DRC's total budget.

Despite its huge contribution to government coffers, the extraction halt at Mutanda could backfire, Ellis told DW.

After all, this is not Glencore's first Congolese mine closure. Last year, it halted extraction at the Kamoto mine after finding high levels of uranium in the ore, a move skeptics criticized as more political than safety-based. The decision prompted an export ban in a dispute over duties that cost Glencore hundreds of millions.

"The mining sector in the DRC is still run by the Kabila old guard. He still holds the keys to the war chest," Ellis said.

As Kabila thinks that Glencore has too much influence in politics and economics, she said the mining ministriy, which is under the leadership of Kabila's FCC, could target the firm's other operations in the DRC in order to force its hand.

"A further encroachment by the government against Glencore's other interests is a very real possibility," she warned.

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