L&T to Build India's First Green Hydrogen Plant for IOC at Panipat

By siliconindia  |  Monday, 21 July 2025, 11:59:30 AM IST

L&T to Build India's First Green Hydrogen Plant for IOC at Panipat
  • Landmark Project: L&T will set up India’s first industrial-scale green hydrogen plant at IOC’s Panipat refinery, supplying 10,000 tonnes annually for 25 years.
  • Clean Energy Push: The plant will use renewable energy and L&T-made electrolysers to replace fossil-based hydrogen, supporting India's net-zero goals.
  • Delayed Tender Revived: After previous tender cancellations, L&T’s entry revives the project, marking a major step under the National Green Hydrogen Mission.
L&T Energy GreenTech (LTEG), a subsidiary of engineering giant Larsen & Toubro (L&T), will develop India’s first green hydrogen plant at Indian Oil Corporation’s (IOC) Panipat refinery in Haryana. As per a company filing on July 21, the project will be executed on a build-own-operate basis and marks a significant step in India’s transition towards clean energy under the National Green Hydrogen Mission.
The state-of-the-art plant will supply 10,000 tonnes of green hydrogen annually to IOC for a period of 25 years. The plant will run round-the-clock using renewable energy and will be commissioned by December 2027. Green hydrogen, produced by splitting water molecules using renewable energy, will replace fossil-derived hydrogen in IOC’s refining operations, thereby reducing carbon emissions and aligning with India’s net-zero targets.
High-pressure alkaline electrolysers used in the plant will be manufactured by L&T Electrolysers at its Hazira facility, showcasing L&T’s integrated capabilities from manufacturing to execution. This will also position LTEG as a leading player in India's emerging green hydrogen ecosystem, especially across sectors such as refineries and fertilisers.
Subramaniam Sarma, Deputy Managing Director & President, L&T, stated, “The project not only deepens our partnership with IOC but also reinforces our capability to deliver large-scale clean energy solutions”.
Previously, IOC had cancelled two tenders for the same project due to weak industry interest. The tender, originally floated in September 2024, saw its deadline extended twice till January 2025, before L&T finally came on board.
“This project reflects our end-to-end green energy capabilities from electrolyser manufacturing to execution and operation,” added Derek Shah, Head Green Manufacturing & Development, L&T. “We are confident of delivering a zero-emission plant that sets new industry benchmarks”.
On July 21, L&T shares recovered from early losses, while IOC shares traded flat in the broader market.

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