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The international standard ISO/IEC 15118, entitled "Road vehicles - Vehicle to grid communication interface", defines a digital IP-based communication interface between an electric vehicle (EV) and a charging station (named Electric Vehicle Supply Equipment - EVSE). It allows for a user-friendly "plug-and-charge" mechanism for authentication, authorisation, billing, and flexible load control based on a wide set of information exchanged between the EV and EVSE.
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