As wildfires increasingly threaten energy infrastructure, natural gas networks have become particularly vulnerable to damage from extreme heat and direct exposure to fire. These disruptions can lead to significant supply interruptions, safety threats, and costly repairs. In addition to these challenges, there is growing interest in incorporating alternative fuels, such as hydrogen, into the gas infrastructure to enhance sustainability. This paper examines the potential of hydrogen integration, focusing on its environmental benefits, such as reducing greenhouse gas emissions and improving energy efficiency. It also assesses the technical feasibility of blending hydrogen with natural gas, including the infrastructure adjustments necessary for effective implementation. Despite the potential advantages, the integration of hydrogen-blended gas systems presents challenges, including concerns over material compatibility, leakage, and safety. Therefore, the concept of a new hydrogen resilience framework is presented. This framework aims to address potential risks and evaluate the resilience of hydrogen infrastructures. Ultimately, the paper offers relevant insights into the future of the gas infrastructure outlining a path for research and policy development to ensure safety and resilience.

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Resilience Assessment Framework of Hydrogen Energy Infrastructures

  • Gian Paolo Cimellaro,
  • Alessandro Cardoni,
  • Julia Demarchi Maciel

摘要

As wildfires increasingly threaten energy infrastructure, natural gas networks have become particularly vulnerable to damage from extreme heat and direct exposure to fire. These disruptions can lead to significant supply interruptions, safety threats, and costly repairs. In addition to these challenges, there is growing interest in incorporating alternative fuels, such as hydrogen, into the gas infrastructure to enhance sustainability. This paper examines the potential of hydrogen integration, focusing on its environmental benefits, such as reducing greenhouse gas emissions and improving energy efficiency. It also assesses the technical feasibility of blending hydrogen with natural gas, including the infrastructure adjustments necessary for effective implementation. Despite the potential advantages, the integration of hydrogen-blended gas systems presents challenges, including concerns over material compatibility, leakage, and safety. Therefore, the concept of a new hydrogen resilience framework is presented. This framework aims to address potential risks and evaluate the resilience of hydrogen infrastructures. Ultimately, the paper offers relevant insights into the future of the gas infrastructure outlining a path for research and policy development to ensure safety and resilience.