Maruti Suzuki Commissions Its First Green Hydrogen Plant At Manesar

Maruti Suzuki India on Thursday commissioned its first green hydrogen plant at its Manesar manufacturing facility in Haryana, marking a small but symbolically significant step in the country's largest carmaker's push toward cleaner production.

How The Plant Works

The facility centres on a 300 kW green hydrogen electrolyser that uses demineralised water and renewable electricity to split water into hydrogen and oxygen. The hydrogen produced is stored in a dedicated buffer vessel and can either be used immediately or compressed and kept in storage for later use, when it is blended with natural gas used in the plant's manufacturing processes.

One of the plant's more practical benefits is that it helps Maruti Suzuki make fuller use of the solar power capacity already installed at Manesar. On weekends and holidays, when factory floors are largely idle and electricity demand drops, solar generation at the site would otherwise go underutilised. Routing that surplus power into hydrogen production gives the company a way to store and later deploy energy that would otherwise be wasted, effectively turning solar output into a more flexible industrial fuel.

Part Of A Larger Decarbonisation Push

Maruti Suzuki has set a target of cutting its manufacturing carbon footprint from the current 615,000 tonnes to 266,000 tonnes by financial year 2030-31, a reduction of more than 55 per cent. The company has described the Manesar unit as a learning platform rather than an end state: lessons from operating the electrolyser at scale are expected to inform a wider rollout of green hydrogen infrastructure across its other manufacturing sites in Haryana and its newer Gujarat plant.

Automakers globally have experimented with green hydrogen both as a potential fuel for vehicles and, increasingly, as an industrial input to decarbonise energy-intensive manufacturing processes such as paint shops and metal treatment, which are difficult to electrify directly. Maruti Suzuki's approach leans toward the latter, using hydrogen to displace a portion of the natural gas load in its own factories rather than betting on hydrogen-powered cars for the Indian market in the near term.

Why It Matters For India's Largest Carmaker

The move comes as Maruti Suzuki, along with the rest of India's auto industry, faces growing pressure from both regulators and global investors to show credible progress on emissions even as its core business remains overwhelmingly centred on petrol and CNG vehicles. Green hydrogen projects of this kind are unlikely to move the needle on the company's overall energy mix in the short term, given the plant's modest 300 kW capacity, but they signal an intent to build in-house expertise ahead of any future scale-up.

For a company whose manufacturing footprint spans multiple states and produces well over a million vehicles a year, even incremental steps like the Manesar electrolyser matter as proof points, both for regulators tracking India's broader industrial decarbonisation goals and for a company that will eventually need to make much larger capital calls on cleaner energy infrastructure.

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