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Assessing and enhancing transmission system resilience is vital for ensuring an uninterruptible electricity supply during extreme events. Identification of key considerations and suitable metrics or methods can be considered as an essential step in developing more effective frameworks for transmission system resilience evaluation and enhancement. In order to facilitate this, we analyze five factors considered in transmission system resilience namely, the performance of the transmission system, impacts of transmission system outages on consumer wellness, electrical utility's expenditures on damage recovery and resilience enhancement, dependencies between infrastructure systems, and criticality of loads. Further, we examine metrics and methods utilized in existing transmission system resilience studies to incorporate these factors. By identifying existing challenges and providing useful suggestions for future directions, our study contributes to the advancement of transmission system resilience assessment and enhancement frameworks, strategies and decisions.
Abeygunawardane et al. (2024) studied this question.