SMRTR Science & EngineeringAug 12, 2025Interesting Engineering

World’s largest hydrogen closed-loop power system under construction in China

SMRTR summary

China is building a 30MW pure hydrogen turbine in Ordos as part of the world's largest hydrogen closed-loop power system. This project integrates wind, solar, hydrogen storage, electrolysis, and green ammonia with 500MW wind capacity. The facility includes 240MW of electrolysers producing 4.3 tonnes of hydrogen hourly. This "electricity-hydrogen-electricity" cycle aims to stabilize renewable energy supply by storing excess power as hydrogen, supporting China's carbon neutrality goals.

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