This study explores the impact of light-duty electric vehicle (EV) charging patterns on California's utility-scale energy storage and charging infrastructure needs. Daytime charging reduces storage requirements as solar electricity can be used directly rather than being stored in a battery for EV charging after the sun sets, reducing storage costs by an order of a billion dollars. However, daytime charging will require new infrastructure. We estimate the needed infrastructure cost by comparing level-1 with level-2 charging. We find that by using level-2 chargers at today’s prices, the added infrastructure cost will be comparable with the cost savings from the reduced storage needs. Moreover, if a significant fraction of level-2 chargers is replaced with level-1 chargers, non-residential charging infrastructure costs will be reduced significantly, making daytime charging economically more attractive. The insights help develop future strategies and policies for charging infrastructure and energy storage systems.
Evaluation of net cost savings for daytime charging to support transportation electrification
2024-06-19
1807962 byte
Conference paper
Electronic Resource
English
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