Impact of the coronavirus pandemic on electric vehicle workplace charging

The University of California, San Diego, has responded to the growth of Electric Vehicle (EV) ownership by continually adding charging stations all around campus over the past five years. In March 2020, the coronavirus pandemic caused a massive decline in EV charging as shelter-in-place orders were...

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Bibliographic Details
Published in:Journal of renewable and sustainable energy 2021-03, Vol.13 (2)
Main Authors: McClone, Graham, Kleissl, Jan, Washom, Byron, Silwal, Sushil
Format: Article
Language:English
Subjects:
Coronaviruses
COVID-19
Direct current
Electric power systems
Electric vehicle charging
Electric vehicles
Energy distribution
Energy recovery
Health care facilities
Pandemics
Shutdowns
Stations
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Summary:The University of California, San Diego, has responded to the growth of Electric Vehicle (EV) ownership by continually adding charging stations all around campus over the past five years. In March 2020, the coronavirus pandemic caused a massive decline in EV charging as shelter-in-place orders were issued and the campus closed except for the medical centers. Overall, EV charging energy demand decreased by over 73%. But the decrease was uneven as direct current fast charger (DCFC) stations and the charging stations at the university's medical centers took on a larger percentage of the total campus load. Charging energy provided at the nonmedical stations decreased by 84%, while it decreased 50% at medical stations and 67% at DCFC stations. DCFC showed the strongest recovery in charging energy during the shutdown. The distribution of charging energy during the day and the charging duration did not change during the shutdown, while the plug-in duration increased. Implications for decarbonizing the transportation and electrical power systems are discussed.
ISSN:1941-7012
1941-7012
DOI:10.1063/5.0038641