The Hydrogen Stream: Greenzo Energy unveils 1 MW alkaline electrolyzer stack

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India’s Greenzo Energy has launched its 1 MW alkaline electrolyzer stack, the “Un Wheel,” a 100% indigenous green hydrogen production technology designed specifically to operate optimally under Indian environmental conditions.

 “The ‘Un Wheel’ has been engineered entirely by Indian scientists and engineers to function reliably across diverse Indian climates.  It can function effectively  across a wide temperature range from -20°C to 60°C. With a lifespan of 20 years, the electrolyzer stack delivers hydrogen at a 30 bar pressure, eliminating the need for additional compressors,” stated Greenzo Energy.

The stack incorporates advanced monitoring and control features for several essential parameters that ensure both efficient and safe hydrogen production. These include pure water quality for enhanced performance and longevity, optimized pressure levels for safety and efficiency, and stable purification pressure to maintain high hydrogen purity. It also monitors lye temperature to ensure efficient electrolytic reactions and controls circulation and dew point to maintain hydrogen purity and process stability.

Sandeep Agarwal, founder and managing director of Greenzo Energy, said “We are utilizing indigenous alkaline water electrolysis technology that combines non-noble metals for cost-efficient and lower energy consumption. Our design prioritizes scalable, safe deployment with advanced electrode materials to boost efficiency and reduce degradation and we’ve also developed a unique electrolyte composition for improved performance and durability with waste heat recovery that enhances energy efficiency. Now commercially available, this stack is designed to meet the urgent needs of industries like heavy manufacturing, transportation, and power in transitioning towards clean energy.”

Agarwal said their current order book stands at INR 1,400 crore. He expects the new stack to significantly increase their revenue potential. “We are looking forward to building key partnerships with private and public sectors to drive green hydrogen deployment on a national scale,” he added.

The Un Wheel meets the highest international standards, with ISO 9001:2015, ISO 45001:2018, and ISO 14001:2015 certifications.

TE H2, a venture between TotalEnergies and EREN Group, has signed a preliminary contract with Morocco to reserve land for the Chbika hydrogen project in the Guelmim-Oued Noun region near the Atlantic coast. This agreement allows TE H2, along with Danish companies Copenhagen Infrastructure Partners (CIP) and A.P. Møller Capital, to launch pre-front end engineering design (pre-FEED) studies. The project aims to build 1 GW of onshore solar and wind capacity to produce 200,000 tons of green ammonia per year for the European market through the electrolysis of desalinated seawater.

European Energy has inaugurated its green hydrogen plant near Esbjerg, Denmark, marking the Danish company’s first venture into large-scale hydrogen production using renewable energy. Søborg-based European Energy said it completed construction in June 2024 and plans to add two additional electrolyzers, with the next expected to be installed in 2025. When all three electrolyzers are operational, the plant will have a total capacity of 12 MW and an expected annual production of 1,500 metric tons of hydrogen.

NEL has opened an extended and automated proton exchange membrane (PEM) facility in Wallingford, Connecticut. The Norwegian original equipment manufacturer said the new facility will produce 10 times more PEM electrolyzers at 30% less cost than at its old factory. Expected to begin production in early 2025, the facility will boost NEL’s annual capacity to produce PEM electrolyzers from 50 MW to 500 MW.

Hyundai Engineering and Construction has signed a memorandum of understanding (MoU) with the South Australian government at its headquarters in Seoul. The company said that the MoU will pave the way for collaboration in renewables, hydrogen, housing, and infrastructure with the Australian state.

Sonatrach and Sonelgaz have signed an agreement with Germany’s VNG, Italy’s Snam and Seacorridor, and Austria’s Verbund Green Hydrogen to assess the viability and profitability of an integrated green hydrogen production project in Algeria. The partners aims to supply the European market via the SoutH2 Corridor.

Helen has selected Sweden’s Afry to conduct a comprehensive feasibility study for large-scale hydrogen production in Helsinki, Finland. The Finnish energy company aims to determine the conditions under which green hydrogen production at the site would be viable.

 

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