India is accelerating toward global green hydrogen production with its recent USD 2.1 billion push to promote domestic electrolyzer manufacturers in India. About 1.5 GW of electrolyzer manufacturing capacity has been allocated to boost domestic electrolyzer manufacturing in India.

It is announced by SECI (Solar Energy Corporation of India) under the National Green Hydrogen Mission - SIGHT program (Strategic Interventions for Green Hydrogen Transition).

In this blog, we will cover the top 10 hydrogen electrolyzer manufacturing companies in India, including companies that received funds for electrolyzer manufacturing in India.

Listed Electrolyzer Manufacturers in India (2025)

Operational Electrolyzer Manufacturers in India

Ohmium Operations Private Limited

Ohmium Operations Private Limited (Ohmium) is a PEM-based (Proton-Exchange Membrane) electrolyzer company. It is headquartered in the US and has a hydrogen electrolyzer manufacturing plant in Bengaluru, India, with a 400 MW capacity. It is one of the renowned green hydrogen electrolyzer manufacturers in India.

The Ohmium PEM electrolyzers are compact and flexible and provide interlocking modular system design. This PEM electrolyzer technology is the very same used by NASA in aerospace applications. The other Ohmium electrolyzer features include: 

• Rapid Installation

• High efficiency 

• Safe and reliable 

PEM Electrolyser Gigafactory

Ohmium launched its new gigafactory in Doddaballapur near Bengaluru on 19th July 2024 with a capacity of 2 GW. Covering about 14,000 square meters, this plant will produce fully assembled and tested electrolyzer systems.

Announcement of Ohmium Gigafactory at Doddaballapura 

It functions on the Ohmium hyper-modular PEM-based electrolyzers. The electrolyzers produced here will be used to produce sustainable green hydrogen.

In 2024, Ohmium was awarded a contract to deploy a 137 MW capacity electrolyzer manufacturing plant by SECI with an incentive of INR 202.76 crores (USD 243 million).

On 26th April 2024, Ohmium announced a joint venture with Tata Projects to develop green hydrogen projects in India to increase capacity, improve efficiency, and expand the electrolyser market.

In June 2025, Ohmium signed MoU with Toyota Kirloskar Motor to explore green hydrogen project opportunities in India that will integrate Toyota's fuel cell modules with Ohmium's PEM electrolysers. In March 2025, Ohmium partnered with Res Integra to deploy a 4 MW green hydrogen project in Sicily using Ohmium's PEM electrolyser system.

On 1st June 2023, Ohmium and NTPC entered a partnership valid for two years until 2025. Under this agreement, Ohmium’s patented electrolyzers are expected to be deployed in up to 400 MW and help NTPC achieve 5 GW of renewable energy for green hydrogen and ammonia production.

Advait Energy Transitions Limited

Advait Energy Transitions Limited (formerly known as Advait Infratech Limited) is a renowned EPC company that manufactures and supplies critical components such as Stringing Tools, OPGW (Optical Ground Wire), OFC cables (Optical Fibre Cables), ACS (Aluminium Clad Steel), ERS (Emergency Restoration System), OPGW joint boxes for the power transmission and telecom industries.

Founded in 2009, this Ahmedabad-based company, an emerging player in India's renewable energy sector, is known to operate an existing 250 MW electrolyzer manufacturing and assembly plant in Kadhi, Gujarat. It was developed in three phases, and includes electrolyzer production, supported by advanced technology and extensive industry expertise.

Advait Infratech Limited has secured a contract for a manufacturing capacity of 200 MW for alkaline electrolyzers by Solar Energy Corporation of India (SECI) under the Strategic Interventions for Green Hydrogen Transition (SIGHT) Scheme - National Green Hydrogen Mission.

On 14th August 2024, Advait signed a technology licensing agreement with China’s Guofu Hydrogen Energy Equipment (Guofu Hydrogen). Under this agreement, GuoFu Hydrogen will provide Advait with critical technical documentation, know-how, and training for alkaline-based electrolyser technology.

Advait will use Guofu Hydrogen’s advanced technology to manufacture and assemble equipment for green hydrogen production in India.

The agreement was signed to manufacture 300 MW electrolyzers annually which is planned to further expand to a production capacity to 1,000 MW/year. This expansion will also include a wide array of products, including hydrogenation machine production and hydrogenation station integration.

In January 2025, Advait Energy transitions signed a MoU with Haryana City Gas Distribution (Bhiwadi) Ltd. to construct a 2,000 MTPA (Metric Tonnes Per Annum) Green Hydrogen Plant. The agreement also includes the supply of 15 MW electrolysers and the provision of operational and advisory services. The plant will be set up based on a turnkey basis.

L&T Electrolysers Ltd

Larsen & Toubro (L&T) is one of the leading technology-led construction companies in India. Along with construction and services, L&T provides sustainable solutions through L&T Electrolysers Ltd to meet future energy needs and commit to green hydrogen goals.

L&T Electrolysers Ltd is India's first Indian electrolyzer manufacturer with alkaline electrolyzer technology, meeting the domestic and international market needs of hydrogen generation.

McLyzer electrolyzers manufactured by L&T Electrolysers Ltd at the state-of-the-art electrolyzer manufacturing facility in Hazira, Gujarat. These electrolyzers are based on a licence from a leading electrolyzer technology company- McPhy Energy. 

McLyzer Electrolyser is an alkaline-based technology that provides flexibility & thermal stability. It delivers product excellence by operating in hot standby mode for extended durations and rapidly reaching full load within 30 seconds. 

In July 2025, L&T incorporated Panipat Green Hydrogen Private Limited, a wholly-owned subsidiary that will be dedicated for large-scale green hydrogen and clean ammonia projects in India. Likewise, in June 2025, L&T secured land in Kandla, Gujarat.

L&T's Green Hydrogen Plant at A M Naik Heavy Engineering Complex in Hazira, Gujarat

On 1st March 2024, L&T commissioned its first indigenously manufactured electrolyzer at the green hydrogen plant in Hazira, Gujarat. It features a rated power capacity of 1 MW which is expandable to 2 MW and can produce about 200 NM2/Hr of hydrogen. This electrolyzer has two stacks and an EPU ML-400 (Electrolyser Processing Unit).

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Upcoming Electrolyser Manufacturers in India

In line with Prime Minister Narendra Modi's announcement at COP26, the Ministry of New and Renewable Energy is working towards achieving 500 GW of non-fossil-based electricity generation capacity by 2030. SECI has conducted tenders for electrolyzer manufacturing in India.

SECI's Tender Allocations in 2024

SECI allocated 1.5 GW of electrolyzer manufacturing capacity to eight companies in its second electrolyzer manufacturing tender. This allocations ar eunder the Production Linked Incentive scheme (PLI) for electrolyzer manufacturing scheme. Below is the list of the major green hydrogen electrolzer manufacturers in India with allocated electrolyzer capacity.

Reliance New Energy Limited (RNEL)

Reliance New Energy Limited (formerly Reliance New Energy Solar Limited), a wholly-owned subsidiary of Reliance Industries Limited, is one of the major players in the green hydrogen industry. It is one of the key electrolyzer manufacturers committed to helping India lead the green energy sector.

Reliance Industries Chairman and Managing Director Mukesh D. Ambani announced a massive investment of INR 75,000 crores (USD 10 billion) to expand the green energy ecosystem in India. 

As a part of its mission to achieve net zero carbon emission by 2035, Reliance aims to produce 100 gigawatts of energy in India. 

In May 2024, Reliance signed a contract with Norway Nel ASA. Under this contract, RIL is granted the technology licensing grants to manufacture alkaline electrolyzers in India based on Nel’s technology in India.

In October 2021, RNESL and Denmark-based Stiesdal A/S signed a technology development and manufacturing agreement. Under this agreement, RNESL and Stiesdal A/S will develop and manufacture HydroGen Electrolyzers in India.

Dhirubhai Ambani Green Energy Giga Complex

The Dhirubhai Ambani Green Energy Complex is being developed in Jamnagar, Gujarat. It is expected to be the world’s largest renewable energy manufacturing facility. This includes five gigafactories covering:

• Fully integrated solar PV (photovoltaic) manufacturing complex, 

• An electrolyzer manufacturing facility,

• Basic raw and auxiliary materials manufacturing, 

• Advanced energy storage systems, 

• Power electronics and semiconductor development. 

It is one of the largest under-construction projects in India that is expected to be operational by 2026.

Hild Electric Private Limited

Hild Electric Private Limited is an Indian-based electrical engineering and contracting company. They are known to deliver renewable energy generation, water electrolysis and hydrogen generation and storage services.

In 2023, Hild Electric gained popularity after being awarded a contract by NTPC to manufacture and deploy 600 MW of alkaline electrolyzers.  

Waaree Energies

Waaree Energies is one of the largest solar panel manufacturers in India. They are known to manufacture solar panels, lithium-ion batteries, and solar inverters. Waaree Energies is one of the biggest solar panel manufacturers in India, with an installed capacity of 12 GW across various locations such as Chikhli, Gujarat, Nandigram and more. 

In the recent auction announced by SECI, Waaree Energies won an electrolyzer manufacturing capacity of 300 MW of the 1.1 GW based on any stack technology.

On 10th February 2025, Waaree Group announced ground breaking ceremony for its Electrolyser Manufacturing Facility in Valsad, Gujarat. This project will initially operate on a 300 MW production capacity in phase I. This plant is being built under the National Green Hydrogen Mission. The 300 MW capacity was allocated by SECI electrolyser auction in 2024. 

Matrix Gas and Renewables

Matrix Gas and Renewables is one of the emerging green hydrogen infrastructure and natural gas aggregation in India. It is a prominent player in distribution of natural gas across India through a network of pipelines and CNG stations.

Matrix Gas & Renewables and Gensol Engineering - an EPC company specializing in solar power, secured a significant contract for electrolyzer manufacturing under the government’s Production Linked Incentive (PLI) scheme.

Under this scheme, the joint venture of Matrix Gas & Gensol secured a contract to manufacture 63 MW electrolyzer capacity in India. In February 2025, Matrix Gas and Renewables Ltd announced plans to invest INR 500 crores to establish a 350 MW electrolyser manufacturing capacity plant in Sanand, Gujarat which will be funded by INR 400 crores Production-Linked Incentive (PLI) scheme from the government. The plant is expected to commence by July 2026.

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Adani New Industries

Adani New Industries Limited (ANIL) is spread across the business segments of supply chain product manufacturing, green hydrogen generation, and downstream products. Supply chain product manufacturing includes solar, wind turbine, generator, and electrolyzer manufacturing. 

Currently, ANIL has multiple tie-ups with electrolyzer technology providers Cavendish Renewable Technology (Australia) and Hydep (Italy). A 5 MW size alkaline electrolyzer pilot project is in progress; AEM electrolyzer and C-Cell electrolyzers re in the prototype stage. 

Adani New Industries has been awarded the contract to set up an electrolyzer manufacturing capacity of 198.5 MW/annum in India. This electrolyzer project falls under the Production Linked Incentive scheme (PLI) for electrolyzer manufacturing, with an execution period of 30 months from the date of the LoA.

Under this contract, Adani new Industries will establish an alkaline electrolyzer facility under the incentive of INR 293.78 crore (USD 352 million) allocated over a period of five years. In June 2025, Adani announced successful commission of India's first off-grid 5 MW green hydrogen pilot plant in Kutch, Gujarat.

India’s Green Hydrogen Market Outlook 2025: Targets, Trends & Progress

India is striving towards becoming a global leader in green hydrogen production and utilization with numerous green hydrogen projects in India under the National Green Hydrogen Mission. India positioned itself as a key player in hydrogen production, storage, and application across various sectors.

Currently as of 4th March 2025, India boasts 12,000 TPA of Green Hydrogen production and approved 3 GW of electrolyser manufacturing capacity per annum. Initiatives have also been taken to implement seven green hydrogen pilot projects in India across sectors like transportation, shipping, steel, and storage.  

In March 2025, 3 hydrogen-powered vehicles were flagged by Union Minister for New and Renewable Energy and Union Minister of Road Transport & Highways Shri Nitin Gadkari ji. These hydrogen powered vehicles will travel Faridabad – Delhi NCR and Ahmedabad – Surat – Vadodara routes.    

India's Green Hydrogen Targets 2030

The Union Minister for New and Renewable Energy, Shri Pralhad Joshi outlined that India has several ambitious targets for 2030 which include:

• Produce 5 million metric tons (MMT) of Green Hydrogen annually

• Install 60-100 GW of electrolyser capacity

• Install 125 GW of renewable energy capacity dedicated to hydrogen production

• Reduce 50 million metric tons of CO₂ emissions annually

• Save INR 1 lakh crore in imports

• Attract investments worth INR 8 lakh crore

Other Notable Electrolyzer Manufacturers in India

Conclusion

India is witnessing major deployment of large-scale green hydrogen projects backed by increased electrolyzer manufacturing in India. Several domestic companies such as Ohmium Operations Private Limited, Advait Infratech, and L&T electrolyzers are a few of the key players in this sector, contributing to the country's efforts to achieve energy independence and reduce carbon emissions.

FAQs

Who makes electrolyzers in India?

Ohmium Operations Private Limited, Advait Infratech Limited, and L&T currently own operational electrolyzer manufacturing plants in India.

What is the capacity of L&T electrolyzers?

L&T electrolyzer has a capacity of 1 MW in the Green Hydrogen Plant at A M Naik Heavy Engineering Complex in Hazira, Gujarat. This is expandable to upto 2 MW and can produce 200 Nm3/Hr of hydrogen.

Which 21 companies bid for electrolyser?

Hild Electric Private Limited, Ohmium Operations Private Limited, Reliance Electrolyser Manufacturing Limited, Waaree Energies are a few of the 21 companies that bid for electrolyzers.

What is the subsidy for Electrolyser manufacturing in India?

The subsidy for electrolyzer manufacturing in India is at a base rate of INR 4,440 per Kw of electrolyzer capacity sold for the first year and INR 3,700, INR 2,960, INR 2,220, and INR 1,480 for the consecutive years.

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