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Hungary's MOL Group has launched operations at Central and Eastern Europe’s largest green hydrogen plant, located within its refinery in Százhalombatta. The facility, equipped with 10 megawatts (MW) of capacity, utilizes electrolyser technology supplied by the American company Plug Power. It is designed to produce 1,600 tons of carbon-neutral green hydrogen annually.

Before production commenced, various preparatory steps were undertaken, including pressure testing, inspecting the process control system, integrating the electrolyser cells, and commissioning the water treatment system. The green hydrogen generated by the plant will be predominantly used in MOL’s fuel production, contributing to a significant reduction in the company’s carbon emissions. The plant is expected to decrease the Danube Refinery’s annual carbon dioxide emissions by 25,000 tons, which is equivalent to the emissions produced by around 5,400 cars.

MOL Group has expressed intentions to extend the use of green hydrogen beyond fuel production, with plans to incorporate it into the transportation sector. The project is viewed as part of the company’s broader strategy toward a sustainable green transition. Following the success of the Százhalombatta facility, MOL plans to establish additional green hydrogen plants in Bratislava and Rijeka, with the latter expected to be operational by 2026.

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The plant represents a 22-million-euro investment aimed at significantly reducing MOL’s environmental footprint. It will gradually replace natural gas-based hydrogen production, which currently contributes to a sixth of the company’s emissions.