L&T Energy GreenTech to set up India's largest green hydrogen plant at IOCL Panipat Refinery

Larsen & Toubro (L&T) on Monday said its arm L&T Energy GreenTech Ltd will set up India's largest green hydrogen plant at Indian Oil Corporation Ltd’s (IOCL) Panipat Refinery in Haryana.

L&T to set up India's largest green hydrogen plant

The plant will operate 24/7, utilising renewable energy, and supply 10,000 tonnes of green hydrogen per year to Indian Oil Corporation Ltd. (IOCL) for 25 years.

The green hydrogen plant will come about on a build-own-operate (BOO) basis.

As shared in a company press release, the plant will produce green hydrogen using high-pressure alkaline electrolysers manufactured at L&T Electrolysers Ltd’s facility in Hazira, Gujarat.

L&T Energy GreenTech Ltd (LTEG), a wholly-owned subsidiary of L&T, will set up India’s largest green hydrogen plant at Indian Oil Corporation Ltd’s (IOCL) Panipat Refinery in Haryana.

The plant, to be developed on a build-own-operate (BOO) basis, will supply 10,000 tonnes of… pic.twitter.com/1ozfcJhYvv

— Larsen & Toubro (@larsentoubro) July 21, 2025

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About L&T

Headquartered in Mumbai, Larsen & Toubro Limited is one of the largest and most prestigious companies in India's private sector. With over 80 years of a strong, customer-focused approach and a continuous quest for world-class quality, L&T has shown unrivalled capabilities across Technology, Engineering, Construction, and Manufacturing, and maintains leadership in all its major lines of business.

More details from the company

This will support the Centre's National Green Hydrogen Mission and IOCS's strategy to decarbonise its refining operations and contribute to the country's net-zero ambitions.

“The decision to set up India’s maiden green hydrogen plant validates our strategy to lead the nation’s energy transition. This long-term project not only deepens our partnership with IOCL but also reinforces our capability to deliver large-scale clean energy solutions,” L&T Deputy Managing Director & President Subramanian Sarma said.

"This project reflects our end-to-end green energy capabilities — from electrolyser manufacturing to execution and operation," Derek Shah, Head – Green Manufacturing & Development, L&T, added.

L&T Energy GreenTech Ltd (LTEG) is a wholly-owned subsidiary of Larsen & Toubro (L&T).

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