Vedanta Resources, a global natural resources and technology conglomerate, has temporarily shut the Nchanga copper smelter at its Konkola Copper Mines (KCM) operation in Zambia for a 60-day maintenance and repair program, a move aimed at strengthening production capacity as the company pursues ambitious growth targets.

The planned shutdown forms part of Vedanta’s broader modernization strategy designed to increase annual copper production at KCM to 300,000 metric tons by 2030. The investment aligns with Zambia’s national objective of raising copper output to 3 million tons annually by 2031, positioning the southern African nation among the world’s leading copper producers.

Zambia’s Copper industry faces temporary processing constraints

The Nchanga maintenance comes as several major processing facilities across Zambia undergo scheduled upgrades. The shutdown means three of the country’s key smelting operations, including Mopani and Chambishi, will be offline for maintenance between June and September.

The temporary disruptions could tighten supplies of refined copper and sulphuric acid, a critical input used in copper and cobalt processing. Global sulphuric acid markets have already faced pressure from geopolitical disruptions affecting supply chains, adding another layer of complexity for mining operators.

Despite the shutdown, KCM said it will maintain acid supply to its Nchanga Tailings Leach Plant, which extracts copper from historic waste deposits. The company will rely on external purchases and its in-house acid plant, capable of producing 500 tons per day, to support operations during the maintenance period.

Vedanta doubles down on African Copper opportunity

Copper has emerged as one of the world’s most strategically important commodities, driven by demand from electric vehicles, renewable energy infrastructure, data centers and power transmission projects.

For Vedanta, the Nchanga upgrade underscores its commitment to expanding its African mining footprint. The London-headquartered natural resources group controls major assets across mining, energy and technology sectors and views Zambia as a cornerstone of its future copper growth strategy.

Founded by Indian billionaire Anil Agarwal in 1976, Vedanta has intensified investments in KCM since regaining operational control, betting that rising global demand for critical minerals will support long-term growth.

As Zambia races to unlock new mining investment and expand production, the modernization of key assets such as Nchanga is expected to play a pivotal role in the country’s emergence as a global copper powerhouse.