BHP eyes large-scale copper exploration in Zambia

BHP, the world's largest mining company by market capitalisation, is positioning itself for major copper exploration across Zambia, signalling renewed confidence in the Southern African nation's mineral wealth at a time when global demand for battery metals remains elevated. This strategic move comes as Zambia, Africa's second-largest copper producer after the Democratic Republic of Congo, seeks to stabilise its mining sector following years of debt distress and operational challenges.

## Why is BHP betting big on Zambian copper now?

Zambia holds approximately 1.7% of the world's proven copper reserves, yet production has stalled under underinvestment and energy constraints. BHP's entry reflects two critical market dynamics: first, the global energy transition requires 2.4 million tonnes of copper annually by 2030—double current supply; second, geopolitical diversification away from DRC concentration is driving majors to explore alternative sources. Zambia's established mining infrastructure, existing concessions, and government willingness to negotiate mining agreements create a lower-risk entry point than greenfield exploration in unstable regions.

The timing is strategic. Copper prices, trading near $9,500 per tonne, justify the capital intensity of large-scale underground mining. BHP's exploration investment—likely exceeding $1 billion over five years—targets both asset acquisition and new deposit delineation in the copper belt straddling the Zambian-DRC border.

## What are the economic implications for Zambia?

Direct investment at this scale addresses Zambia's critical foreign exchange shortfall. The nation exited its IMF-supported debt restructuring programme in 2023, but export diversification remains fragile. Copper typically accounts for 70-80% of export earnings. BHP's capex commitment would inject hard currency, create 5,000-8,000 direct and indirect jobs, and generate government royalties estimated at $150-300 million annually once production ramps post-2027.

However, Zambia must avoid repeating past mistakes. Historical copper contracts saw minimal technology transfer and limited downstream value creation. The government should negotiate skills development clauses, preferential sourcing of energy and supplies from Zambian providers, and locked-in tariff rates for grid power—critical since Zambian mines consume 20-30% of national electricity.

## What risks could derail the project?

Regulatory uncertainty poses the primary headwind. President Hakainde Hichilema's administration has signalled pro-investment mining reforms, but implementation lags. Power supply remains precarious; Zambia's grid deficit reaches 2,000 MW, potentially constraining production scaling. Additionally, if copper prices fall below $7,500 per tonne, marginal assets could become uneconomic, delaying timeline.

Currency volatility—the kwacha depreciated 18% against the dollar in 2024—raises input costs and project financing complexity. Social licence risks are also material; artisanal mining communities and environmental groups may resist large-scale industrial operations.

## When will production commence?

Exploration and feasibility phases typically require 4-6 years before first ore. If BHP moves quickly, pilot production could begin in 2028-2029, with full-scale operations (100,000+ tonnes annually) by 2031-2032.

This represents a watershed moment: successful execution would position Zambia as a critical copper supplier to the clean energy sector, reversing the nation's marginalisation in global supply chains.