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Open AccessCommunication

Advancing E-Roaming in Europe: Towards a Single “Language” for the European Charging Infrastructure

NKL—The Netherlands Knowledge Platform for Public Charging Infrastructure, Vondellaan, 162 3521 GH Utrecht, The Netherlands
eMobility Consulting, Vekenoord, 41 4824 LN Breda, The Netherlands
School of Innovation Sciences, Eindhoven University of Technology, PO Box 513, 5600 MB Eindhoven, The Netherlands
Author to whom correspondence should be addressed.
A Preliminary Version of This Article Was Presented at the EVS30 Symposium, Stuttgart, Germany, 9–11 October 2017.
World Electr. Veh. J. 2018, 9(4), 50;
Received: 13 May 2018 / Revised: 27 November 2018 / Accepted: 5 December 2018 / Published: 7 December 2018
The E.U. market for electric vehicles (EVs) is growing significantly, but the absence of widely adopted protocols and interoperability standards for charging hinders the development of cross-border EV travel (“e-roaming”). In this paper, we present our vision on what should be the basic functionalities of e-roaming. Furthermore, we describe the best practices of 6 years of e-roaming in the Netherlands, and analyze what can be learned from other sectors that were successful in introducing roaming mechanisms in the past. We translate these into proposed next steps, such as the need for piloting e-roaming on a European level using open standards, such as Open Charge Point Interface (OCPI). We conclude with a proposal for a comparative study of protocols to pave the way for future convergence, and, thus, facilitate a European market for EV products and services. View Full-Text
Keywords: electric vehicle charging; roaming protocol; peer-to-peer; harmonization electric vehicle charging; roaming protocol; peer-to-peer; harmonization
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Ferwerda, R.; Bayings, M.; Van der Kam, M.; Bekkers, R. Advancing E-Roaming in Europe: Towards a Single “Language” for the European Charging Infrastructure. World Electr. Veh. J. 2018, 9, 50.

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