Outline of safety regulations and administrations for commercial nuclear power plants in Japan

Outline of safety regulations and administrations for the commercial nuclear power plants in Japan is briefly described. The strict measures for safety assurance are always taken based on the principle of defense-in-depth. In the actual procedures of regulatory control, the examinations and inspections shall be performed at each individual step in the stage of applications, and also in the stage of constructions. Thus, those regulatory examinations and inspections shall be performed in detail and carefully, and at the most suitable time; resulting in an effective regulatory control by the Ministry of International Trade and Industry