The hydrogen energy is the important item for the reduction of global warming gas emission in rder to accomplish the aggressive level target of Japan. At Port-Island, Kobe, Hyogo, the world first demonstration project of hydrogen co-generation system was performed by Obayashi Corporation and Kawasaki Heavy Industry Corporation. This project has started on 2015, designed and constructed from 2016 to 2017 and demonstrated on 2018. The hydrogen fuel was supplied as a liquefied hydrogen and stored in the insulated tank reducing the evaporation loss. The flexible fuel gas turbine generator was developed using cutting edge multi-fuel burner, which can use the flexible ratio of the hydrogen and natural gas as a fuel. The heat and electricity from this project was supplied to the surrounding public facilities with control and management by the integrated energy management system for the optimized operation from the point of view of economy and environmental contribution. Additionally, the biaxial steam supply piping network was developed and applied for the heating system. This demonstration project is supported by the national authority, New Energy Development Organization and cooperated with Kobe city, Kansai Electric Power Company, Iwatani Corporation, Kanden Energy Solution Company and Osaka University.
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