Analytic Tools for Locating, Sizing, and Evaluating Electric Vehicle Charging Stations
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2023-06-01
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Abstract:The Washington State Legislature directed the Department of Transportation to develop analytic tools “to enable coordinated, effective, efficient, and timely deployment of charging and refueling infrastructure necessary to support statewide and local transportation electrification efforts that result in emissions reductions” consistent with state goals. This report reviews the available analytic tools for planning electric vehicle (EV) charging infrastructure and makes recommendations on how to meet legislative requirements for mapping and forecasting zero-emission vehicles and recharging equipment. The report presents an approach for generating a ten-year forecast of EV adoption at the census tract level and presents the results of that method. The report also describes an approach to simulating EV charging at public stations that estimates the plug count and power levels needed to meet charging demand with low wait times and the corresponding electric energy and capacity required to serve the charging demand. The report concludes with opportunities for additional research and development to create practical analytic tools that would assist planners and policymakers in making decisions about EV charging investments.
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