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manufacturing facilities in India and operations worldwide, Ohmium has established itself as a global leader in green hydrogen solutions for the energy transition. The company’ s modular PEM electrolyzers are rugged and built for outdoor operations in temperatures ranging from-40 ° C to 55 ° C. They integrate seamlessly with renewable energy sources like solar and wind, providing flexibility and grid stability.

Leadership and Investment

Dr. Markus Tacke, who joined Ohmium as Chief Executive Officer in July 2025, brings over 22 years of experience from Siemens and a proven track record in renewable energy sector leadership. He explains the company’ s funding journey:“ We started as a small startup with limited funding. However, our most recent funding round came in 2023, when we secured $ 250 million from the TPG Rise Climate Fund. Our investors share our belief in the hydrogen economy and have been instrumental in launching our product and bringing it to industrial applications.”

Arne Ballantine, co-founder and former CEO, steered Ohmium through its formative years, developing a robust internal PEM supply chain scalable to gigawatt-level demand and with product deployment in three continents. Working alongside Arne Ballantine, Dr. Chock Karuppiah, Chief Science and Technology Officer, has been instrumental in building the technical foundation of the company’ s supply chain, bringing deep experience

▼ Ohmium team meticulously inspects PEM electrolyzer systems for quality assurance before shipping to customers worldwide

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