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The nuclear industry's transition to risk-informed regulation and operation in the United States

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  • Kadak, Andrew C.
  • Matsuo, Toshihiro

Abstract

This paper summarizes a study of the transition of the United States nuclear industry from a prescriptive regulatory structure to a more risk informed approach to operations and regulations. The transition occurred over a 20yr period in which gradual changes were made in the fundamental regulations and to the approach to nuclear safety and operations. While the number of actual regulatory changes were few, they are continuing. The utilities that embraced risk informed operations made dramatic changes in the way they approached operations and outage management. Those utilities that used risk in operations showed dramatic improvement in safety based on Institute of Nuclear Power Operations (INPO) performance indicators. It was also shown that the use of risk did not negatively affect safety performance of the plants compared to standard prescriptive approaches. This was despite having greater flexibility in compliance to regulatory standards and the use of the newly instituted risk-informed reactor oversight process.

Suggested Citation

  • Kadak, Andrew C. & Matsuo, Toshihiro, 2007. "The nuclear industry's transition to risk-informed regulation and operation in the United States," Reliability Engineering and System Safety, Elsevier, vol. 92(5), pages 609-618.
    • Handle: RePEc:eee:reensy:v:92:y:2007:i:5:p:609-618
    DOI: 10.1016/j.ress.2006.02.004
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    Cited by:

    1. Teng, Kuei-Yung & Thekdi, Shital A. & Lambert, James H., 2012. "Identification and evaluation of priorities in the business process of a risk or safety organization," Reliability Engineering and System Safety, Elsevier, vol. 99(C), pages 74-86.
    2. Quentin Perrier, 2017. "The French Nuclear Bet," Working Papers 2017.18, Fondazione Eni Enrico Mattei.
    3. Lina Escobar Rangel & François Lévêque, 2012. "How did Fukushima-Daiichi core meltdown change the probability of nuclear accidents?," Working Papers hal-00740684, HAL.
    4. Jiang, R. & Chen, Zhigao, 2020. "A standard-based approach for multi-criteria performance evaluation of engineered systems," Reliability Engineering and System Safety, Elsevier, vol. 202(C).
    5. Quentin Perrier, 2017. "The French nuclear bet," CIRED Working Papers halshs-01487296, HAL.

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