The improvement effect of new energy infrastructure construction on urban energy mismatch: A case study of ultra-high voltage projects
Taking the construction of ultra-high voltage projects (UHVP) as a quasi-natural experiment, this paper investigates the impact of new energy infrastructure development on urban energy mismatch using panel data of Chinese prefecture-level cities from 2006 to 2023. The study finds that UHVP construction has significantly mitigated urban energy mismatch. Mechanism analysis shows that it reduces mismatch through three paths: reducing the spatial flow cost of energy, promoting industrial agglomeration, and strengthening regional coordinated development. In terms of spatial spillover, the mitigation effect has significant spatial spillover characteristics, with a spillover boundary of about 300 kilometers. Heterogeneity analysis reveals that the mitigation effect is mainly reflected in cities in the eastern and central regions and those with concentrated energy mismatch types; in the western region, due to the lack of industrial lock-in and cross-regional compensation mechanisms, UHVP construction has instead exacerbated the mismatch problem in areas with insufficient energy. Based on this, it is proposed to accurately optimize the spatial layout of UHVP, innovate cross-regional institutional design, strengthen regional empowerment, and promote the coordinated development of UHV project construction and regional energy allocation optimization in a classified manner.
HAO Xiang-ju , HE Ai-ping . The improvement effect of new energy infrastructure construction on urban energy mismatch: A case study of ultra-high voltage projects[J]. Urban Problems, 2026 , 368(3) : 59 -71 . DOI: 10.13239/j.bjsshkxy.cswt.260305
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