The deep underground copper sector represents one of the most capital-intensive segments of the global mining industry, where ownership structure can determine decades of national wealth creation. In this context, the evolving Zambia stake in the Mingomba copper mine has become a focal point in discussions about resource nationalism, foreign investment, and the future of copper mining in Africa.
Unlike open-pit mining, underground shaft developments require billions in upfront capital, long development timelines, and highly specialised engineering. For resource-rich countries like Zambia, even small shifts in equity participation can translate into significant long-term fiscal outcomes.
Zambia’s Ownership Position in Mingomba Copper Project
Zambia currently holds a 20% equity stake in the Mingomba copper project through its state investment arm, ZCCM Investments Holdings (ZCCM-IH). The remaining 80% is controlled by US-based exploration and technology company KoBold Metals, following its acquisition of a majority interest in 2022.
The project—also known as the Konkola West deposit—is located in Zambia’s Copperbelt, one of the world’s most historically productive copper mining regions. The deposit is part of a high-grade stratiform geological system, known for consistent mineralisation and favourable underground mining conditions.
ZCCM-IH indicated plans to increase its stake to 25%, signaling Zambia’s intent to capture a larger share of future revenues. However, no formal negotiations have been confirmed, meaning the proposal remains at a political and strategic signaling stage rather than a finalized commercial agreement.
Mingomba Copper Mine: Scale, Investment, and Production Outlook
The Mingomba project stands out as one of the largest new underground copper developments in Africa, with key fundamentals including:
- Estimated capital investment: $2.3–$2.5 billion
- Target production: ~300,000 tonnes of copper concentrate annually
- Expected start of production: early 2030s
This level of capital intensity places Mingomba among the most expensive mining projects currently under development in sub-Saharan Africa.
Shaft-sinking marks a critical milestone in underground mining. It involves excavating deep vertical access points—sometimes exceeding 1,000 meters—to enable ore extraction, ventilation, and transport systems. Once this phase begins, a project transitions from exploration theory into physical construction.
The presence of Zambia’s president at the launch of shaft-sinking underscored the project’s national economic importance.
KoBold Metals and the Rise of AI in Copper Exploration
KoBold Metals brings a distinct approach to mining development, relying on artificial intelligence and large-scale geological datasets to identify hidden mineral deposits. The company integrates satellite imagery, geophysical data, and historical drilling records to predict high-probability copper deposits.
This data-driven exploration model aims to reduce risk and improve discovery efficiency in regions like the Copperbelt, where decades of mining data already exist. Backed by high-profile investors, KoBold’s approach reflects growing confidence in long-term copper demand, driven by electrification, renewable energy systems, and electric vehicles.
However, as a privately held company, KoBold operates with limited public disclosure, creating challenges for independent assessment of:
- Resource size and geological classification
- Feasibility studies and production assumptions
- Detailed financing structure for multi-billion-dollar development
This lack of transparency introduces uncertainty into external evaluations of the project’s timeline and economic viability.
Zambia’s Resource Strategy and the Push for Greater Ownership
Across Africa, governments are increasingly reassessing their participation in large mining projects. The Zambia stake in Mingomba copper mine reflects a broader trend of resource nationalism, where states seek a larger share of mineral revenues while still relying on foreign capital and expertise.
Zambia’s proposed increase to 25% ownership represents a balanced approach compared to more aggressive nationalization models seen elsewhere on the continent.
However, timing is critical. Announcing stake increases before formal negotiations begin may strengthen political messaging domestically but can introduce uncertainty for investors assessing regulatory stability.
Key challenges include:
- No formal negotiation framework yet established
- Dependency on operator agreement (KoBold Metals)
- Risk of delays during active shaft-sinking construction
- Potential financing complexity with future co-investors
- Exposure to cost inflation in deep underground mining projects
Copper Mining in Zambia: Economic Backbone and Global Demand Driver
Copper remains central to Zambia’s economy, accounting for roughly 17% of GDP. It is also a key source of foreign exchange, fiscal revenue, and employment.
Globally, copper demand is accelerating, driven by:
- Electric vehicle production (3–4x more copper per EV vs. combustion vehicles)
- Expansion of renewable energy infrastructure
- Grid modernization and energy storage systems
At the same time, global supply growth remains constrained due to declining ore grades and limited new mine development. Zambia’s Copperbelt region offers a strategic advantage, hosting some of the world’s highest-grade copper deposits. This positions projects like Mingomba as critical assets in the global energy transition.
Strategic Implications for Africa’s Copper Future
The outcome of negotiations surrounding the Mingomba copper project will likely serve as a benchmark for future mining agreements in Zambia and beyond.
It will test whether African producer nations can:
- Increase equity participation in major mining projects
- Maintain investor confidence and capital inflows
- Balance fiscal sovereignty with long-term industrial development
As global demand for copper and critical raw materials continues to rise, the ability of resource-rich countries to structure equitable partnerships will play a decisive role in shaping the next decade of mining investment.
