Energy security is a crucial component of national economic stability and growth. Given current technological limitations, improving management strategies is essential for safeguarding energy resources. Digital technologies play a pivotal role in enhancing management efficiency, thus contributing to energy security. As a key element of modernization, smart cities leverage digital solutions to drive urban development and have the potential to catalyze an energy revolution. Nevertheless, the relationship between energy security and smart cities remains underexplored, creating gaps in policy-making and implementation. This study, leveraging the smart city pilot policies enacted in 2012, 2013, and 2015, utilizes a sample of 229 prefecture-level cities covering the period from 2010 to 2020. Employing the Propensity Score Matched Difference-in-Differences (PSM-DID) model, the research assesses smart city policies’ impact on energy resilience. The results show that smart city policies significantly enhance energy resilience through three separate pathways: optimizing resource allocation, upgrading industrial structure, and promoting technological progress. Notably, smart city polices have more beneficial effects on the city characterized by low fiscal expenditure, being populous, resource-based, having high human capital, and being located in eastern region. This study aids in the improvement and promotion of smart city policies, thereby enhancing energy resilience and achieving sustainable urban development.
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