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  Division Description
Policy Planning and Coordination Division
This Division ensures that the entire JNES organization maintains the right course and coordinates all projects carried on by all its sections. The Technology and Information General Office conducts the planning of safety studies and international collaborative studies, distribution of information on safety regulation of nuclear installations to the government and others concerned, and publishes and disseminates nuclear safety information to both domestic and overseas organizations.
 1. Collecting and Compiling Nuclear Safety Information
The Division collects information on failures and problems that have occurred in Japan, the US, Europe and Asia, information on operational status, and on regulatory status in other nations by using its international networks. The Division also develops databases to maintain the information collected.
The Division performs statistical analysis and evaluation of data with concern to the facilities utilization rates, reactor interruption counts and frequency, and radiation doses. More than 970,000 pieces of information have been collected from domestic and foreign regulatory agencies.
Reflection on operations experience (Clearing house)
Reflection on operations experience (Clearing house)
 2. Safety Studies Planning, Supplying Information and Proposals to the Government
- Planning of safety research and enhanced utilization of the results
The Division analyzes and evaluates nuclear safety information and regulatory trends, in order to extract challenges to ensure further safety of nuclear installations, to solve problems and to plan the required (safety) studies necessary for proposals to the government.
Further, the Division pursues the implementation of safety study results for services related to inspection and examination, nuclear emergency preparedness, and other codes and standards.
- Clearing House
The Division screens the information collected from domestic and overseas nuclear installations in order to sort out problems, extracts critical cases, and analyzes and evaluates details that should be reflected in domestic practice. The Division then presents the results to the government, and examines the details to determine the necessity of further safety ensuring measures. These activities correspond to the functions collectively referred to as the "clearing house," increasingly introduced in the United States and Europe. Additionally, the Division supports technically the assessment conducted by the government based on the International Nuclear Event Scale (INES).
International Nuclear Event Scale
International Nuclear Event Scale
*Universal Scale to indicate the significance of an incident
 3. Publication and Distribution of Safety Study Results and Nuclear Safety Information
- Publication of safety study results
JNES publishes an annual report concisely summarizing results of activities for each year with emphasis placed on safety study results for each subject. The annual report is disclosed to the public on the JNES website and distributed to the municipality where the nuclear installations are located and other relevant organizations in Japan.
- Publication and distribution of nuclear safety information
JNES publishes the nuclear safety information that has been collected, analyzed and evaluated through its Annual Report on Operation Management and on the JNES website. Further, in collaboration with the office of International programs, the Division shares information on accidents and operational status in Japan with relevant overseas organizations through participation in international conferences of the International Atomic Energy Agency (IAEA), Organization for Economic Co-operation and Development/Nuclear Energy Agency (OECD/NEA) as well as JNES web pages.
Issuance of Annual Report on Japan Nuclear Energy Safety Organization
Issuance of Annual Report on Japan Nuclear Energy Safety Organization
Issuance of Annual Report on Operation and Management
Issuance of Annual Report on Operation and Management
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About JNES
Division Description
Policy Planning and Coordination Division
Inspection Affairs Division
Nuclear Emergency Preparedness and Response Division
Nuclear Energy System Safety Division
Radioactive Waste Management and Transport Safety Division
Seismic Safety Division
Nuclear Fuel Cycle Facility Inspection Office
Fukui Office/Public Relations Office/Nuclear Security Support Office
Office of International Programs
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