To continuously improve the safety of Japan's nuclear power plant that were restarted after the Fukushima Daiichi Accident, Mitsubishi Heavy Industries Ltd. (MHI) has been continuously working on the voluntary improvement of the safety of nuclear reactor facilities together with electric power companies. MHI has been performing Probabilistic Risk Assessment and Stress Test for nuclear reactor facilities, deriving measures to further improve safety while developing technologies for new facilities to realize these measures. This report introduces examples of these efforts. MHI will continue to make a unified effort together with the electric power companies to continuously improve the safety of nuclear reactor facilities.
