Hindustan Zinc and Tata Steel Collaborate on Low-Carbon Zinc Initiative

Filed: March 23, 2026

Filing Summary

Hindustan Zinc Limited has announced a collaboration with Tata Steel to integrate EcoZen, a low-carbon zinc solution, into sustainable steel manufacturing. EcoZen, produced using renewable energy, offers a carbon footprint significantly lower than the industry average. This partnership aims to reduce emissions in the steel value chain and supports broader sustainability goals. Hindustan Zinc, a major player in the zinc and silver markets, continues to focus on sustainable practices and innovation. The collaboration underscores both companies’ commitment to climate-aligned procurement and decarbonization efforts.

Hindustan Zinc Limited has partnered with Tata Steel to expand the use of EcoZen, a low-carbon zinc solution, in sustainable steel manufacturing. This collaboration aims to integrate EcoZen into Tata Steel’s processes, reflecting a shared commitment to climate-aligned industrial practices. EcoZen is produced using renewable energy and has a verified carbon footprint of less than 1 tonne of CO₂ equivalent per tonne of zinc, which is approximately 75% lower than the global industry average.

The financial terms of the collaboration between Hindustan Zinc and Tata Steel have not been disclosed in the filing. However, the focus is on the strategic integration of EcoZen to reduce emissions in the steel value chain. By using EcoZen, downstream industries can lower their value-chain emissions, contributing to decarbonization goals. The initiative is part of a broader effort to embed climate considerations into core industrial processes and procurement strategies.

The scope of the collaboration includes the use of EcoZen in galvanizing steel, which is essential for protecting against corrosion and extending the service life of steel products. This is particularly relevant for sectors such as infrastructure, automotive, renewable energy, electronics, and energy storage. The adoption of EcoZen can help avoid approximately 400 kg of CO₂ emissions per tonne of steel galvanized, compared to conventional zinc. This provides a tangible pathway for customers to reduce Scope 3 emissions and enhance sustainability performance.

The collaboration builds on a long-standing strategic partnership between Hindustan Zinc and Tata Steel, which has spanned over two decades. The expanded engagement under the EcoZen initiative represents an evolution in this relationship, focusing on decarbonization, sustainable practices, and responsible sourcing. This partnership aims to support broader sustainability and climate commitments, including Scope 3 emissions reduction and climate-aligned procurement frameworks.

The timeline for the implementation of the EcoZen initiative has not been specified in the filing. However, the collaboration is positioned as a significant milestone in scaling up the adoption of low-carbon zinc and reinforcing greener supply chains across India’s industrial ecosystem. Both companies are committed to advancing India’s transition toward low-carbon, resilient industrial growth.

Tata Steel is a leading steel producer with a focus on sustainable practices and innovation in the steel industry. The company is committed to advancing green technologies and reducing emissions across its operations and supply chain.

Hindustan Zinc Limited, a Vedanta Group company, is the world’s largest integrated zinc producer and among the top five silver producers globally. The company supplies to over 40 countries and holds a significant market share in India’s primary zinc market. Hindustan Zinc is recognized for its operational excellence and leading ESG practices, with a commitment to achieving Net Zero emissions by 2050 or sooner.

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