US residential charging potential for electric vehicles

Elizabeth J. Traut, Tsu Wei Charlie Cherng, Chris Hendrickson, Jeremy J. Michalek

Research output: Contribution to journalArticlepeer-review

50 Scopus citations


We assess existing and potential charging infrastructure for plug-in vehicles in US households using data from the American Housing Survey and the Residential Energy Consumption Survey. We estimate that less than half of US vehicles have reliable access to a dedicated off-street parking space at an owned residence where charging infrastructure could be installed. Specifically, while approximately 79% households have off-street parking for at least some of their vehicles, only an estimated 56% of vehicles have a dedicated off-street parking space - and only 47% at an owned residence. Approximately 22% vehicles currently have access to a dedicated home parking space within reach of an outlet sufficient to recharge a small plug-in vehicle battery pack overnight. Access to faster charging, required for vehicles with longer electric range, will usually require infrastructure investment ranging from several hundred to several thousand dollars, depending on panel and construction requirements. We discuss sensitivity of results to uncertain factors and implications for the potential of mainstream penetration of plug-in vehicles.

Original languageEnglish (US)
Pages (from-to)139-145
Number of pages7
JournalTransportation Research Part D: Transport and Environment
StatePublished - Dec 2013

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Transportation
  • General Environmental Science


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