Mapping the Depths: A Stocktake of Underground Power Distribution in United States
arxiv(2024)
摘要
A resilient energy infrastructure is crucial for addressing increasing
extreme weather and climate risks. The undergrounding of the power system is
one approach to building such resiliency. In this study, we introduce Grid
Underground Distribution Statistics (GUDS) for the US, the first nationwide
comprehensive assessment of underground electricity distribution at a high
spatial granularity. In analyzing this dataset, we find regional differences in
underground distribution rates, with generally higher rates for east and west
coasts and in northern states, and lower rates in the central US. We also
observe relationships between underground rates and factors such as household
income levels, degree of urbanization, and vulnerability to natural hazards.
Notably, regions with higher electricity rates are not associated with greater
proportions of underground distribution, highlighting potential equity issues
in infrastructure distribution. By presenting this granular information and
insights on underground distribution, our study offers valuable guidance for
informing planning and decision-making by policymakers, Independent System
Operators, utilities, and end-users.
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