New Delhi, July 21 -- L&T Energy GreenTech Ltd (LTEG), a wholly-owned subsidiary of Larsen & Toubro (L&T), will set up what it claims to be India's first 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 green hydrogen annually to IOCL for 25 years, supporting government of India's National Green Hydrogen Mission, the company said in a stock exchange filing Monday.

The plant, once commissioned, will operate round the clock using renewable energy, aligning with IOCL's broader strategy to decarbonise its refining operations and contribute to India's net-zero ambitions.

It will produce the green hydrog...