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Critical Minerals

Critical Minerals in East Africa: Copper, Cobalt, Coltan and Graphite Explained

28 Mar 2026· by Rift Valley Resources Research Desk
Critical Minerals in East Africa: Copper, Cobalt, Coltan and Graphite Explained

Why East and Central Africa matter to the energy transition, from copper and cobalt supply chains to coltan, graphite and responsible sourcing.

Critical minerals are the raw materials behind electrification, grid expansion, battery storage, data infrastructure and advanced manufacturing. Across East and Central Africa, copper, cobalt, coltan and graphite form a strategic resource base with global relevance. Copper is essential for transmission networks, electric motors and renewable energy systems. Cobalt supports high-performance battery chemistries, while coltan provides tantalum used in electronics and aerospace components. Natural graphite is a major anode material for lithium-ion batteries and has growing strategic value as supply chains diversify. The opportunity is not simply extraction. Buyers increasingly require traceability, human-rights controls, environmental management and evidence that host communities benefit from mining. This shifts advantage toward operators with transparent procurement, formalized artisanal transition pathways, audited logistics and credible ESG reporting. East Africa's role in the critical-minerals economy will grow as infrastructure improves and downstream markets seek dependable, responsibly sourced supply. Companies that combine geological access with governance discipline are best placed to create durable value.
critical mineralscoppercobaltcoltangraphiteenergy transition