We?Kawasaki have proposed 'CO2 free H2 chain' using abundant brown coal of Australia as hydrogen source. We developed the basic design package and finished FEED (Front End Engineering Design) in 2014. There are not only hazards of process plant system, but also the characteristic hazards of hydrogen plant system. We considered and carried out HAZID (Hazard Identification) as the most appropriate approach for safety design in this stage. This paper describes the safety design and HAZID which we practiced for CO2-Free Hydrogen Supply Chain FEED.