L&T Electrolysers Ltd. is a global OEM leading the clean energy transformation through advanced pressurised alkaline electrolyser technology. Backed by L&T’s engineering, manufacturing and construction expertise, we deliver high-performance, reliable, and scalable solutions that enable efficient Green Hydrogen production for industries worldwide.
Our world-class manufacturing facility is designed to produce pressurised alkaline electrolysers based on next-generation European technology. Built to international quality and performance standards, our systems combine exceptional durability, operational flexibility, and thermal stability. Designed for seamless integration with renewable energy sources, they deliver fast response, high availability, and consistent hydrogen output supporting scalable, reliable, and commercially viable hydrogen projects worldwide.
Aligned with the Make in India and Aatmanirbhar Bharat initiatives, we have achieved over 80% indigenisation, supported by a robust network of qualified Indian suppliers. Every electrolyser reflects global standards of quality, safety, and performance — built locally, trusted globally.
With end-to-end control over the value chain, from design and stack manufacturing to testing and deployment, L&T Electrolysers assures competitiveness, supply chain resilience, and world-class service support.
L&T Electrolysers Ltd. — Powering the global hydrogen economy with innovation and reliability.
Our Green Hydrogen journey takes a decisive step forward with India’s first Alkaline Electrolyser Giga-Factory. Anchored in the Government of India’s National Green Hydrogen Mission, this world-class facility marks a major milestone in India’s transition from energy import dependence to technology leadership.


Our scalable and modular electrolysers offer highly adaptable solutions tailored to the evolving needs of industrial processes, mobility, and Power-to-X applications, enabling efficient and future-ready green hydrogen deployment across diverse use cases.
| Power Class | 1 MW | 2 MW | 4 MW | 8 MW | 16 MW |
| System Design Life (Mechanical) | + 20 Years | ||||
| H2 Flow Rate | 200 Nm³/hr | 400 Nm³/hr | 800 Nm³/hr | 1,600 Nm³/hr | 3,200 Nm³/hr |
| H2 Purity | > 99.999% after HPS | ||||
| O2 Purity | 99% at Electrolyser Outlet | ||||
| H2 & O2 Delivery Pressure | ~ 26 – 28 bar (g) | ||||
| Stack DC Energy Consumption | 4.2 – 4.5 kWh/Nm³ | ||||
| Operating Range | 20 – 100% | ||||
| Reaction Time | < 30 / 60 s from hot stand-by to 100% | ||||
| Ramp-Up / Down | > 5%/s | 20%/s | ||||