Hindustan Zinc Unveils ₹50,000-Crore Capex Plan for Next Five Years

Nikunj Parikh - Mumbai Bureau Jun 06, 2026 1,300 Views

Hindustan Zinc has announced an aggressive capital expenditure pipeline of up to ₹50,000 crore over the next five years. The strategy focuses on doubling its refined metal capacity to 2 million tonnes, expanding silver refining, and tripling core mineral reserves to secure its position as India's primary non-ferrous metals leader.

MUMBAI — Hindustan Zinc Limited (HZL) has announced an ambitious capital expenditure pipeline of ₹40,000 to ₹50,000 crore over the next five years. Presenting its strategic growth map for 2026 and beyond, the Vedanta Group subsidiary confirmed that the multi-billion-dollar investment will be used to double its refined metal capacity, ramp up total ore production, and expand its core metal reserve base threefold to protect its long-term market dominance.

The decision comes at a time when domestic infrastructure spending, industrial automation, and steel manufacturing are driving up demand for non-ferrous metals across India. As the supplier commanding a three-fourths share of the country’s primary zinc market, Hindustan Zinc's capital allocation represents one of the largest private sector investments in the domestic mining and metallurgy landscape in recent years.

Doubling Capacities and Building Infrastructure

A substantial portion of the newly announced capital expenditure pipeline has already been assigned to large-scale infrastructure projects. According to company regulatory filings, the HZL board has cleared nearly ₹17,000 crore for immediate growth programs. These primary assignments feature a brand new 250,000-tonne integrated zinc smelter located in Debari, Rajasthan, a state-of-the-art tailings reprocessing facility, and an aggressive, technology-led commercial exploration project.

Over the five-year investment horizon, Hindustan Zinc plans to boost its total refined metal capacity to 2 million tonnes per annum, up from its current operational level of 1.1 million tonnes. Concurrently, the firm intends to expand its high-margin silver refining capacity from 800 tonnes to 1,500 tonnes annually, cementing its position as a major global precious metals player.

Securing Mine Life and Financial Sustainability

To support these upgraded processing facilities, the company is intensifying underground exploration. The long-term exploration initiative aims to expand the company's confirmed mineral reserves to more than 50 million tonnes, up from the current level of 13 million tonnes. Management expects this structural addition to extend the active life of its mines to over 25 years.

Hindustan Zinc Five-Year Key Operational Projections
| Performance Metric | Current Operational Baseline | Projected Target Horizon (5 Years) |
|---|---|---|
| Refined Metal Capacity | 1.1 Million Tonnes | 2.0 Million Tonnes |
| Annual Silver Production | 800 Tonnes | 1,500 Tonnes |
| Targeted Core Reserves | 13 Million Tonnes | Over 50 Million Tonnes |
| Estimated Active Mine Life | ~10-12 Years | Over 25 Years |

Financially, Hindustan Zinc enters this intensive investment cycle from a position of liquidity. The company's financial reports show it generated a free cash flow of ₹13,337 crore in the previous fiscal year. For the current financial year alone, the company has guided for a growth capital expenditure of $500–600 million (approximately ₹4,763–5,715 crore), alongside an added $400–450 million in routine maintenance spending, pushing its immediate annual deployment beyond $1 billion.

Official Sources Section

The operational blueprints, investment guidelines, and production figures detailed in this news coverage are compiled from the Hindustan Zinc FY26 Integrated Annual Report submitted to the Indian stock exchanges, alongside corporate notifications filed with the Ministry of Corporate Affairs.

Quote Section

"While the global economic environment may remain tepid due to geopolitical uncertainties, the commodity markets are expected to offer upside potential driven by steady demand from key downstream industries. India, in particular, will benefit from continued infrastructure investment, rising steel demand, and expanding industrial activity."
— Arun Mishra, Chief Executive Officer of Hindustan Zinc, in the company’s annual briefing.

Why It Matters

For downstream businesses—such as steel galvanizers, battery manufacturers, and renewable energy infrastructure developers—this major expansion ensures a stable, domestic supply of high-grade zinc and lead, reducing reliance on volatile international metal imports. For public and institutional investors, the massive deployment of internal cash reserves into long-term infrastructure highlights Vedanta's strategy to prioritize industrial scaling over immediate high-dividend payouts.

Key Facts at a Glance

Massive Capital Pipeline: Hindustan Zinc plans to deploy up to ₹50,000 crore in capital expenditure over the next five years.
Capacity Targets: The primary goal is to nearly double refined metal production to 2 million tonnes and push silver processing to 1,500 tonnes.
Immediate Allocation: An initial investment of ₹17,000 crore has been authorized for an integrated smelter in Debari, Rajasthan, and exploration work.
Ownership Profile: Natural resources conglomerate Vedanta Limited maintains a 60.71% controlling stake, while the Government of India holds 27.92% residual equity.

FAQ Section

Q1: How will Hindustan Zinc fund this ₹50,000-crore capital expenditure plan?

The capital expenditure will be primarily funded through the company's strong internal accruals and cash generation. HZL recorded a free cash flow of ₹13,337 crore in the last fiscal year, providing a solid financial cushion without requiring heavy external debt.

Q2: Where will the new industrial facilities be built?

A key component of the near-term expansion is a 250,000-tonne integrated zinc smelter, which is being set up in Debari, Rajasthan. Engineering partners have been finalized, and initial site mobilization is underway.

Q3: Will this expansion impact Hindustan Zinc’s global ranking in silver production?

Yes. By nearly doubling its silver refining output from 800 tonnes to 1,500 tonnes, the company aims to move up the global leaderboard, where it already ranks as one of the top three largest silver producers worldwide.

Q4: What role does the Indian government play in Hindustan Zinc?

The Government of India is a major minority stakeholder, holding a 27.92% residual stake in the company, while the remaining majority control sits with Vedanta Limited.