STL Collaborates with Hygenco to Commission Green Hydrogen Plant for Optical Fibre Manufacturing
Sterlite Technologies Ltd. (STL) has partnered with Hygenco to commission Maharashtra’s first green hydrogen and oxygen plant for optical fibre manufacturing, making STL one of the world’s first to use 100 percent green hydrogen in glass preform production and advancing its goal to achieve Net Zero by 2030.
July 18, 2025. By Mrinmoy Dey
This green hydrogen facility will enable STL to become one of the world’s first optical fibre manufacturers to deploy 100 percent green hydrogen in its production processes and support its goal to achieve Net Zero by 2030. Hygenco will build, own and operate the facility, ensuring a reliable and commercially viable supply for 20 years.
Speaking on the successful commissioning of the green hydrogen plant, Rahul Puri, CEO – Optical Networking Business, STL, said, “By leveraging 100 percent green hydrogen for its glass preform manufacturing, STL is setting a new global benchmark for decarbonisation in the optical fibre industry. Our collaboration with Hygenco exemplifies our commitment towards sustainability and operational excellence. We are proud to lead the way in integrating green hydrogen into large-scale manufacturing and look forward to continuing our efforts to build a greener, more resilient future for India and the world.”
Amit Bansal, CEO, Hygenco Green Energies, said, “Green Hydrogen has the potential to be a game-changer in India's journey towards sustainability. Our long-term engagement with STL represents a bold step forward in decarbonising industrial processes. We are proud to enable STL to lead the global optical fibre industry into a new era of green manufacturing.”
STL’s semiconductor-grade Glass Preform manufacturing facility in Chhatrapati Sambhaji Nagar is an Industry 4.0-enabled plant. It focuses on producing Glass Preforms, essential for creating high-quality optical fibres. Hydrogen and oxygen play a vital role in the optical fibre manufacturing process, serving as fuel in blast furnaces to convert silica particles into glass, stated the company.
Through a strategic Green Hydrogen collaboration with Hygenco, STL aims to reduce carbon emissions by about 30 percent annually. The plant now features advanced autonomous energy management systems, real-time monitoring, and automated control technologies, enhancing safety and operational efficiency.
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