Two Chinese mining companies have withdrawn from the competitive bidding process to develop Kenya’s Mrima Hill critical minerals reserve, shifting the balance in favour of Western consortia vying for control of the site.
The pullout leaves five international contenders in the running, including three consortiums linked to United States investors, according to details on the procurement process published by Business Insider Africa. The remaining bids are under technical and financial evaluation by Kenyan authorities as Nairobi attempts to commercialise one of East Africa’s largest unexploited deposits of rare earth elements and niobium.
Located in Kwale County on Kenya’s south coast, Mrima Hill has long been recognised as an asset of exceptional strategic value. Previous geological assessments suggested the deposit holds commercial concentrations of niobium, a metal vital for strengthening industrial steel and manufacturing aerospace components, alongside high-grade rare earths required in permanent magnets, electric vehicles and renewable energy hardware.
The sudden retreat of the Chinese bidders comes during an intensifying global race between Washington and Beijing to secure upstream supplies of minerals crucial to national security and advanced technology supply chains. While Chinese firms dominate global rare earth refining and processing, Western governments have actively encouraged their domestic companies to back mining operations overseas to diversify supply lines away from East Asia.
Kenyan mining officials have prioritised transparent tendering following years of legal disputes and regulatory moratoriums that previously halted development at the site. The Kenyan government revoked an earlier licence held by Cortec Mining Kenya more than a decade ago, leading to protracted international arbitration before the state successfully reasserted full sovereignty over the resource.
Kenya Pushes for Local Value Addition in Critical Minerals
Kenya’s Ministry of Mining, Blue Economy and Maritime Affairs has established strict qualifying conditions for the remaining bidders. Chief among these requirements is a binding commitment to build domestic processing capacity rather than exporting raw ore, aligning with Nairobi’s broader industrial policy to capture higher value within the country.
The five remaining bidders must demonstrate both technical expertise in handling naturally occurring radioactive materials often associated with niobium deposits and the financial muscle required to construct multi-million-dollar extraction infrastructure. Bidders are also being evaluated on their environmental protection plans and community benefit agreements for Kwale County residents.
The high capital requirements of processing rare earths have historically presented significant hurdles for emerging producers. Unlike bulk commodities such as copper or iron ore, rare earth extraction requires complex metallurgical separation techniques to isolate individual elements like neodymium and praseodymium from host rock.
American interest in Mrima Hill mirrors broader commercial diplomacy efforts from Washington to forge mineral security partnerships across the continent. US-backed mineral initiatives in Central and Southern Africa have accelerated over the past three years, with development finance institutions deploying capital to support infrastructure linked to critical mineral corridors.
For Kenya, concluding the Mrima Hill tender is a critical step in revitalising a mining sector that has historically contributed less than 1 percent to gross domestic product. Government planners target expanding mining’s economic footprint through regulatory reforms, digitised cadastral mapping and competitive concessions for strategic minerals.
The evaluation committee is expected to complete its assessment of the technical submissions before opening financial bids, with the final award scheduled to determine the consortium responsible for conducting detailed feasibility studies and bringing the mine into commercial production.
Explore more Business stories and analysis from Business Elites Africa.
