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The High-Temperature Gas-Cooled Reactor (HTGR) is one of the six Generation IV advanced reactors identified by the Generation IV International Forum (GIF). It features inherent safety, the ability to refuel without shutting down, and high outlet steam temperature. Recently, the Huaneng Shidaowan High-Temperature Gas-Cooled Reactor Demonstration Project has been put into commercial operation. Systematically analyzing the cost composition of the demonstration project and identifying key factors affecting its cost are crucial for optimizing the construction costs of subsequent new units. This article systematically reviews the cost components of the HTGR and analyzes the factors influencing its cost. Design factors, equipment procurement costs, and construction schedule control are identified as significant factors affecting the cost of HTGR projects.

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Analysis of Influencing Factors and Optimization Strategies for the Project Cost of High-Temperature Gas-Cooled Reactors

  • 会议论文

  • 发表日期：

    2026年

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  • Bin Zhang,
  • Na An,
  • Wenxiao Chen,
  • Jianli Huang

摘要

The High-Temperature Gas-Cooled Reactor (HTGR) is one of the six Generation IV advanced reactors identified by the Generation IV International Forum (GIF). It features inherent safety, the ability to refuel without shutting down, and high outlet steam temperature. Recently, the Huaneng Shidaowan High-Temperature Gas-Cooled Reactor Demonstration Project has been put into commercial operation. Systematically analyzing the cost composition of the demonstration project and identifying key factors affecting its cost are crucial for optimizing the construction costs of subsequent new units. This article systematically reviews the cost components of the HTGR and analyzes the factors influencing its cost. Design factors, equipment procurement costs, and construction schedule control are identified as significant factors affecting the cost of HTGR projects.