Zimbabwe Launches Africa's First Lithium Sulphate Plant, Signals Continent-Wide Resource Sovereignty Shift

By Mpho Tumelo Modise | Editor-in-Chief, EZA News

Zimbabwe has commissioned Africa’s first lithium sulphate processing plant, a $400 million facility built by Chinese-owned Prospect Lithium Zimbabwe at Goromonzi, approximately 30 kilometres east of Harare – and in doing so has delivered the most concrete proof yet that its raw mineral export ban is producing the value-addition investment it was designed to attract.

The plant, which became fully operational in May and was recently showcased by mines minister Polite Kambamura, processes lithium concentrate into lithium sulphate – a step along the value chain toward battery-grade materials and, eventually, toward the lithium batteries and solar panels that the Zimbabwean government has identified as its long-term manufacturing ambition. PLZ has also nearly completed a plant to refine lithium carbonate, the next processing stage in the sequence.

The geopolitical and economic significance of this development extends well beyond Zimbabwe. President Emmerson Mnangagwa, speaking at an industrialisation conference, framed the policy with deliberate directness: “We will no longer tolerate the raw exportation of our wealth. We would rather leave our valuable minerals underground than export them without processing them locally. The era of ‘horse and rider’ investment relationships is over.”

The “horse and rider” formulation is pointed. For decades, Africa’s relationship with its mineral wealth – and with the foreign capital that extracts it – has been characterised precisely by that dynamic: African nations provide the raw material, foreign capital provides the processing, and the value-added revenue accrues predominantly outside the continent. Zimbabwe’s lithium ban, which took effect in February before a full statutory prohibition comes into force in January 2027, is a direct challenge to that model. The fact that it has already attracted over $1 billion in value-adding investment since February suggests the model is more negotiable than mining industry lobbying typically implies.

Zimbabwe is Africa’s largest lithium producer. Most of its hundreds of thousands of tons of annual production had been destined for China – the world’s dominant manufacturer of electric vehicles and lithium batteries – in unprocessed form. The ban required mining firms to build local processing capacity or cease exports. PLZ’s Goromonzi plant is the first result of that pressure.

The broader implications for Africa are material. Zimbabwe’s policy is part of a wider continental pattern: fourteen African nations now have some form of critical minerals beneficiation requirement, and the African Union’s Critical Minerals Strategy explicitly endorses value-addition as a condition of responsible resource governance. The question of whether this model holds – whether African governments can maintain the political discipline required to enforce beneficiation requirements against significant external pressure – is one of the continent’s defining economic policy tests of this decade.