Global and regional probabilities of major nuclear reactor accidents

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Global and regional probabilities of major nuclear reactor accidents. / Engler, John Oliver.
In: Journal of Environmental Management, Vol. 269, 110780, 01.09.2020.

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@article{46aacb6845184f8d83a25158d1724702,
title = "Global and regional probabilities of major nuclear reactor accidents",
abstract = "The continued and extended use of nuclear power is often considered and discussed as a viable energy policy option to meet energy demands while also meeting national CO2 emission reduction goals. A central issue in energy policy for sustainability is the question of nuclear reactor safety. However, studies on nuclear reactor safety often run up against the problem of estimating the probability of a major accident from patchy and limited empirical data. Here, we describe a simple probabilistic model of catastrophic nuclear reactor accidents based on a set of four assumptions. The model treats the accident probability in each of n reactors as a variable and returns the probability of a major accident in the reactor fleet. We find that, at 99.5% reactor safety, the probability of another Chernobyl- or Fukushima-sized event is 49% for the global fleet, and that safety would have to be 99.96% in order to bring that probability below 5%. We discuss our findings in light of the debate on energy policy for sustainability.",
keywords = "Energy research, Sustainable energy, Nuclear energy, Economics of nuclear energy, Sustainability Science, Risk assessment, Bernoulli distribution",
author = "Engler, {John Oliver}",
year = "2020",
month = sep,
day = "1",
doi = "10.1016/j.jenvman.2020.110780",
language = "English",
volume = "269",
journal = "Journal of Environmental Management",
issn = "0301-4797",
publisher = "Elsevier B.V.",

}

RIS

TY - JOUR

T1 - Global and regional probabilities of major nuclear reactor accidents

AU - Engler, John Oliver

PY - 2020/9/1

Y1 - 2020/9/1

N2 - The continued and extended use of nuclear power is often considered and discussed as a viable energy policy option to meet energy demands while also meeting national CO2 emission reduction goals. A central issue in energy policy for sustainability is the question of nuclear reactor safety. However, studies on nuclear reactor safety often run up against the problem of estimating the probability of a major accident from patchy and limited empirical data. Here, we describe a simple probabilistic model of catastrophic nuclear reactor accidents based on a set of four assumptions. The model treats the accident probability in each of n reactors as a variable and returns the probability of a major accident in the reactor fleet. We find that, at 99.5% reactor safety, the probability of another Chernobyl- or Fukushima-sized event is 49% for the global fleet, and that safety would have to be 99.96% in order to bring that probability below 5%. We discuss our findings in light of the debate on energy policy for sustainability.

AB - The continued and extended use of nuclear power is often considered and discussed as a viable energy policy option to meet energy demands while also meeting national CO2 emission reduction goals. A central issue in energy policy for sustainability is the question of nuclear reactor safety. However, studies on nuclear reactor safety often run up against the problem of estimating the probability of a major accident from patchy and limited empirical data. Here, we describe a simple probabilistic model of catastrophic nuclear reactor accidents based on a set of four assumptions. The model treats the accident probability in each of n reactors as a variable and returns the probability of a major accident in the reactor fleet. We find that, at 99.5% reactor safety, the probability of another Chernobyl- or Fukushima-sized event is 49% for the global fleet, and that safety would have to be 99.96% in order to bring that probability below 5%. We discuss our findings in light of the debate on energy policy for sustainability.

KW - Energy research

KW - Sustainable energy

KW - Nuclear energy

KW - Economics of nuclear energy

KW - Sustainability Science

KW - Risk assessment

KW - Bernoulli distribution

UR - http://www.scopus.com/inward/record.url?scp=85084809825&partnerID=8YFLogxK

U2 - 10.1016/j.jenvman.2020.110780

DO - 10.1016/j.jenvman.2020.110780

M3 - Journal articles

C2 - 32560997

AN - SCOPUS:85084809825

VL - 269

JO - Journal of Environmental Management

JF - Journal of Environmental Management

SN - 0301-4797

M1 - 110780

ER -