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The Infrastructure Cost for Depot Charging of Battery Electric Trucks

Author

Listed:
  • Wang, Guihua
  • Miller, Marshall
  • Fulton, Lewis

Abstract

Electric vehicle (EV) depot charging increases the feasibility for fleet operators to convert fleets from internal combustion engine vehicles to zero-emission vehicles (ZEVs). This study considers two example cases: a fleet of medium-duty delivery trucks and a fleet of heavy-duty short-haul trucks. In both cases, trucks are charged at a depot by direct current (DC) fast chargers (50 kW, 150 kW, or 350 kW), and we estimate charging infrastructure cost as a function of the EV fleet size. Results indicate that per-vehicle infrastructure cost will decrease substantially as the fleet size increases, though infrastructure cost is very sensitive to charger utilization rates. The higher the charger utilization, the lower the infrastructure cost will be, as the depot will need fewer chargers installed given a certain number of vehicles being charged. Therefore, one cost reduction strategy is to improve daily utilization rates to reduce the charger count demand and eventually reduce the infrastructure cost (the capital cost). Finally, results show that the annualized infrastructure cost is dwarfed by the annual cost of the electricity dispensed to the EV fleet.

Suggested Citation

  • Wang, Guihua & Miller, Marshall & Fulton, Lewis, 2023. "The Infrastructure Cost for Depot Charging of Battery Electric Trucks," Institute of Transportation Studies, Working Paper Series qt1p49662g, Institute of Transportation Studies, UC Davis.
    • Handle: RePEc:cdl:itsdav:qt1p49662g
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    References listed on IDEAS

    as
    1. Burke, Andrew & Miller, Marshall & Sinha, Anish & Fulton, Lewis, 2022. "Evaluation of the Economics of Battery-Electric and Fuel Cell Trucks and Buses: Methods, Issues, and Results," Institute of Transportation Studies, Working Paper Series qt1g89p8dn, Institute of Transportation Studies, UC Davis.
    2. Brennan Borlaug & Matteo Muratori & Madeline Gilleran & David Woody & William Muston & Thomas Canada & Andrew Ingram & Hal Gresham & Charlie McQueen, 2021. "Heavy-duty truck electrification and the impacts of depot charging on electricity distribution systems," Nature Energy, Nature, vol. 6(6), pages 673-682, June.
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    More about this item

    Keywords

    Engineering; Social and Behavioral Sciences; electric vehicle; fleet charging; infrastructure cost; direct current fast charger; delivery truck; heavy-duty truck;
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