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Resilience Analysis of Australian Electricity and Gas Transmission Networks

Author

Listed:
  • Shriram Ashok Kumar

    (Faculty of Engineering and IT, University of Technology Sydney, Sydney, NSW 2007, Australia)

  • Maliha Tasnim

    (Faculty of Engineering and IT, University of Technology Sydney, Sydney, NSW 2007, Australia)

  • Zohvin Singh Basnyat

    (Faculty of Engineering and IT, University of Technology Sydney, Sydney, NSW 2007, Australia)

  • Faezeh Karimi

    (Faculty of Engineering and IT, University of Technology Sydney, Sydney, NSW 2007, Australia)

  • Kaveh Khalilpour

    (Faculty of Engineering and IT, University of Technology Sydney, Sydney, NSW 2007, Australia)

Abstract

Given they are two critical infrastructure areas, the security of electricity and gas networks is highly important due to potential multifaceted social and economic impacts. Unexpected errors or sabotage can lead to blackouts, causing a significant loss for the public, businesses, and governments. Climate change and an increasing number of consequent natural disasters (e.g., bushfires and floods) are other emerging network resilience challenges. In this paper, we used network science to examine the topological resilience of national energy networks with two case studies of Australian gas and electricity networks. To measure the fragility and resilience of these energy networks, we assessed various topological features and theories of percolation. We found that both networks follow the degree distribution of power-law and the characteristics of a scale-free network. Then, using these models, we conducted node and edge removal experiments. The analysis identified the most critical nodes that can trigger cascading failure within the network upon a fault. The analysis results can be used by the network operators to improve network resilience through various mitigation strategies implemented on the identified critical nodes.

Suggested Citation

  • Shriram Ashok Kumar & Maliha Tasnim & Zohvin Singh Basnyat & Faezeh Karimi & Kaveh Khalilpour, 2022. "Resilience Analysis of Australian Electricity and Gas Transmission Networks," Sustainability, MDPI, vol. 14(6), pages 1-20, March.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:6:p:3273-:d:768496
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    References listed on IDEAS

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    2. Xu Li & Bin Lv & Binke Lang & Qixiang Chen, 2022. "Exploring the Cascading Failure in Taxi Transportation Networks," Sustainability, MDPI, vol. 14(20), pages 1-14, October.

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