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Larsen & Toubro builds green hydrogen plant in India

Larsen & Toubro, a Mumbai-based engineering group, has commissioned 380 kW of an 800 kW green hydrogen plant for self-consumption at its Hazira manufacturing complex in Gujarat, India.

Image: Larsen & Toubro

From pv magazine India

Larsen & Toubro has commissioned 380 kW of an 800 kW green hydrogen plant at its AM Naik Heavy Engineering Complex in Hazira, in the Indian state of Gujarat.

The Indian multinational said the green hydrogen plant, that is spread across 3,000 square meters, will produce 45 kilograms of green hydrogen each day for self-consumption by its Hazira manufacturing complex. It said the operational 380 kW capacity uses an alkaline electrolysis process. The rest of the 420 kW capacity depends on PEM electrolysis technology.

The green hydrogen plant is made for an electrolyzer capacity of 800 kW comprising both alkaline (380 kW) and PEM (420 kW) technologies, said Larsen & Toubro. It’ll be powered by way of a rooftop solar plant of 990 kW peak DC capacity and a 500kWh battery energy storage system. The 420 kW PEM electrolyzer, alongside solar plant capacity augmentation to at least one 1.6 MW peak DC, will undoubtedly be section of future expansion.

Larsen & Toubro setup the green hydrogen generation plant and integrated it with the prevailing manufacturing facilities to utilize the high-purity green hydrogen (99.99%) and oxygen that’s produced. The manufacturing unit use a mixture of 15% hydrogen with gas as a fuel. Oxygen will supplement the prevailing usage in cutting and welding applications.

The plant design incorporates both active and passive safety systems to make sure safe operation and production. It’ll be operated through control systems with remote monitoring functionality, the business said. Furthermore, a data analytics platform created by Larsen & Toubro provides insight in to the performance of the electrolyzers and the entire plant.

Larsen & Toubro said it aims to play a substantial role in accelerating the ecosystem around green hydrogen, using its thrust in both EPC and build-own-operate models, in conjunction with the backward integration of manufacturing electrolyzers and grid battery energy storage systems.

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