Finding gaps in the national electric vehicle charging station coverage of the United States

Lily Hanig (), Catherine Ledna, Destenie Nock, Corey D. Harper, Arthur Yip, Eric Wood and C. Anna Spurlock
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Lily Hanig: Carnegie Mellon University
Catherine Ledna: National Renewable Energy Laboratory
Destenie Nock: Carnegie Mellon University
Corey D. Harper: Carnegie Mellon University
Arthur Yip: National Renewable Energy Laboratory
Eric Wood: National Renewable Energy Laboratory
C. Anna Spurlock: Lawrence Berkeley National Laboratory

Nature Communications, 2025, vol. 16, issue 1, 1-13

Abstract: Abstract The United States federal government has invested $7.5 billion into charging infrastructure, including the National Electric Vehicle Infrastructure Program, to build fast charging stations along designated highways for long-distance car travel. We develop a consecutive coverage metric to compute the percent of United States roads (traffic-weighted) that are consecutively accessible within 500 miles of each county. We answer (1) what the state of consecutive coverage is in each county and (2) what the increase in coverage is when designated highways receive fast chargers. In 2023, 10% of counties had at least 75% minimum viable coverage. We find that if all designated highways receive fast-charging stations, 94% of United States counties will reach at least 75% fast charger coverage. However, the remaining counties are rural. This demonstrates that federal funding for fast chargers will help connect most—but not all—counties to the national network of continuously accessible charging stations.

Date: 2025
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DOI: 10.1038/s41467-024-55696-8

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