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Probabilistic Safety Assessment Benchmarks of Multi-unit, Multi-reactor Sites

Final Report of a Coordinated Research Project


English IAEA-TECDOC-2044 ¦ 978-92-0-108324-1

144 pages ¦ 107 figures ¦ € 30.00 ¦ Date published: 2024

Download PDF (10.27 MB)


The Coordinated Research Project on Probabilistic Safety Assessment Benchmarks for Multiunit Multi Reactor Sites (2018-2022) brought together the experts from the IAEA Member States with mainly water-cooled reactor technologies to utilize, test and further develop their current or planned probabilistic safety assessments methods and assumptions by conducting and comparing results of meaningful multiunit multi reactor type probabilistic safety assessment (MUPSA) benchmark exercises. The objective was to share national expertise and participate in shared benchmark calculations. These calculations involved the development of MUPSA, based on single unit probabilistic safety assessments available in Member States. This publication is intended for nuclear engineers, researchers, code developers, experimentalists in nuclear energy fields, reactor vendors and developers, university professors and students, regulatory experts, and nuclear power plant planners.

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Probabilistic Safety Assessment Benchmarks, Multi-Unit, Multi-Reactor Sites, Coordinated Research Project, CRP, Member States, Water-Cooled Reactor Technologies, Nuclear Power Plants, Safety Measures, Risk Assessment, Nuclear Industry, International Cooperation, Benchmark Specifications, Level 1, Level 2, Interface, Multiunit Multi Reactor Type Probabilistic Safety Assessment, MUPSA, Benchmark Exercises, MUPSA Results, Lessons Learned, Countries, Site and Plant Information, Shared Systems, Analysis Scope and Safety Goal, Methodology, Modelling Techniques, Identification and Screening, Multiunit Initiating Events, General Aspects, Fuel in the Reactor Core, Refuelling Pool, Risk Metrics, Safety Goals, Modelling Approach, Probabilistic Safety Assessments Methods, Assumptions, National Expertise, Shared Benchmark Calculations, Single Unit Probabilistic Safety Assessments, Nuclear Engineers, Researchers, Code Developers, Reactor Vendors, Students, Nuclear Power Plant Planners

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