
Small summary: The zinc sector is a classic commodity industry where profitability is driven by global LME prices, treatment charges, energy costs, ore grades, and currency—while long-cycle mining/smelting assets create high entry barriers. In India, the industry is highly concentrated: Hindustan Zinc Limited (HZL) is the dominant integrated primary producer with ~74% domestic primary zinc market share and meaningful exposure to lead and silver. FY26 was a peak profitability year for HZL, propelled by a sharp upcycle in silver prices, improved zinc prices in 2H, cost deflation, and better throughput/utilization. The next phase is defined by HZL’s board-approved growth capex (Debari expansion, tailings reprocessing, exploration) and a rapid renewable power transition targeted to materially reshape cost structure and ESG positioning by FY28.
Zinc is primarily a steel-linked metal: its largest use is galvanizing (corrosion protection). This creates a direct demand linkage to:
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