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Charge for Less: An Analysis of Hourly Electricity Pricing for Electric Vehicles

Citizens Utility Board, Chicago, IL 60606, USA
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2019, 10(1), 6;
Received: 19 October 2018 / Revised: 7 January 2019 / Accepted: 9 January 2019 / Published: 17 January 2019
PDF [261 KB, uploaded 17 January 2019]


By motivating Electric Vehicle (EV) owners to charge their vehicles when power supply exceeds demand, dynamic pricing can improve system load shape and capacity utilization, reduce consumer costs, and cut pollution. We compare what perfectly rational EV drivers would pay to charge their vehicle on ComEd’s hourly pricing program with costs associated with the utility’s flat-rate energy price. We find that ComEd’s hourly pricing program would have saved EV owners significantly over its flat-rate tariff in both 2016 and 2017, with cost reductions from 52 percent to 59 percent. Using price signals to manage charging is almost certainly one of the best (and cheapest) strategies to implement in order to achieve the traditional regulatory goals of a safe, reliable, and affordable service while advancing system efficiency, enhancing environmental sustainability, and facilitating the integration of distributed energy resources. View Full-Text
Keywords: hourly pricing; charging; cost savings; dynamic pricing hourly pricing; charging; cost savings; dynamic pricing

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Zethmayr, J.; Kolata, D. Charge for Less: An Analysis of Hourly Electricity Pricing for Electric Vehicles. World Electr. Veh. J. 2019, 10, 6.

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World Electr. Veh. J. EISSN 2032-6653 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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