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Energies 2018, 11(6), 1416; https://doi.org/10.3390/en11061416

Optimal Charging of Electric Vehicles with Trading on the Intraday Electricity Market

1
Department of Systems and Control, Graduate School of Engineering, Tokyo Institute of Technology, Tokyo 152-8552, Japan
2
Honda Research Institute Europe GmbH, Offenbach/Main 63073, Germany
*
Author to whom correspondence should be addressed.
Received: 19 April 2018 / Revised: 24 May 2018 / Accepted: 29 May 2018 / Published: 1 June 2018
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Abstract

Trading on the energy market is a possible way to reduce the electricity costs of charging electric vehicles at public charging stations. In many European countries, it is possible to trade electricity until shortly before the period of delivery on so called intraday electricity markets. In the present work, the potential for reducing the electricity costs by trading on the intraday market is investigated using the example of the German market. Based on simulations, the authors reveal that by optimizing the charging schedule together with the trading on the intraday electricity market, the costs can be reduced by around 8% compared to purchasing all the required energy from the energy supplier. By allowing the charging station operator to resell the energy to the intraday electricity market, an additional cost reduction of around 1% can be achieved. Besides the potential cost savings, the impacts of the trading unit and of the lead time of the intraday electricity market on the costs are investigated. The authors reveal that the achievable electricity costs can be strongly affected by the lead time, while the trading unit has only a minor effect on the costs. View Full-Text
Keywords: electric vehicles; intraday electricity market; linear programming; scheduling electric vehicles; intraday electricity market; linear programming; scheduling
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Naharudinsyah, I.; Limmer, S. Optimal Charging of Electric Vehicles with Trading on the Intraday Electricity Market. Energies 2018, 11, 1416.

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