Road vehicles - Vehicle to grid communication interface - Part 1: General information and use-case definition (ISO 15118-1:2019)

This document, as a basis for the other parts of the ISO 15118 series, specifies terms and definitions,
general requirements and use cases for conductive and wireless HLC between the EVCC and the SECC.
This document is applicable to HLC involved in conductive and wireless power transfer technologies in
the context of manual or automatic connection devices.
This document is also applicable to energy transfer either from EV supply equipment to charge the EV
battery or from EV battery to EV supply equipment in order to supply energy to home, to loads or to
the grid.
This document provides a general overview and a common understanding of aspects influencing
identification, association, charge or discharge control and optimisation, payment, load levelling,
cybersecurity and privacy. It offers an interoperable EV-EV supply equipment interface to all e-mobility
actors beyond SECC.
The ISO 15118 series does not specify the vehicle internal communication between battery and other
internal equipment (beside some dedicated message elements related to the energy transfer).
NOTE 1 Electric road vehicles specifically are vehicles in categories M (used for carriage of passengers) and
N (used for carriage of goods) (compare ECE/TR ANS/WP.29/78 ev.2). This does not prevent vehicles in other
categories from adopting the ISO 15118 series as well.
NOTE 2 This document is destined to orientate the message set of ISO 15118-2 and ISO 15118-201). The
absence of any particular use case in this document does not imply that it will not be put into practice, with the
required messages.
NOTE 3 This document, ISO 15118-2 and ISO 15118-20 are designed to work independent of data transfer
medium used. However, the ISO 15118 series is made for fitting the specified data link layers in the corresponding
documents in this series.

Straßenfahrzeuge - Kommunikationsschnittstelle zwischen Fahrzeug und Ladestation - Teil 1: Allgemeine Informationen und Festlegungen der Anwendungsfälle (ISO 15118-1:2019)

Véhicules routiers - Interface de communication entre véhicule et réseau électrique - Partie 1: Informations générales et définition de cas d'utilisation (ISO 15118-1:2019)

Le présent document, qui sert de base aux autres parties de l'ISO 15118, spécifie les termes et définitions, les exigences générales et les cas d'utilisation relatifs à la communication de haut niveau, par câble ou sans fil, entre le dispositif de contrôle de communication d'un véhicule électrique (EVCC) et le dispositif de contrôle de communication d'équipement d'alimentation (SECC).
Le présent document s'applique à la communication de haut niveau impliquée dans les technologies de transfert de puissance par câble et sans fil, dans le contexte de dispositifs de connexion manuelle ou automatique.
Le présent document s'applique également au transfert d'énergie de l'infrastructure de recharge au VE pour recharger la batterie du VE ou de la batterie du VE à l'infrastructure de recharge pour VE afin de fournir de l'énergie à une maison, à des charges ou au réseau électrique.
Le présent document donne un aperçu général et une compréhension commune des aspects ayant une incidence sur l'identification, l'association, le contrôle et l'optimisation de la charge ou de la décharge, le paiement, le nivellement de la charge, la cybersécurité et le respect de la vie privée. Il propose une interface VE-infrastructure de recharge pour VE interopérable à tous les acteurs de la mobilité électrique au-delà du SECC.
La série ISO 15118 ne spécifie pas la communication interne au véhicule entre la batterie et d'autres équipements internes (en dehors de quelques éléments de message relatifs au transfert d'énergie).
NOTE 1 Les véhicules routiers électriques sont spécifiquement des véhicules de catégories M (utilisés pour le transport de passagers) et N (utilisés pour le transport de marchandises) (voir l'ECE/TR ANS/WP.29/78 ev.2). Cela n'empêche pas l'adoption de l'ISO 15118 par des véhicules appartenant à d'autres catégories.
NOTE 2 Le présent document est destiné à orienter l'ensemble de messages de ISO 15118‑2 et de l'ISO 15118‑20[1]. L'absence de tout cas d'utilisation particulier dans le présent document n'implique pas qu'elle ne doit pas être mise en œuvre, avec les messages requis.
NOTE 3 Le présent document, l'ISO 15118‑2 et l'ISO 15118‑20 sont conçues pour être applicables indépendamment du support de transfert de données utilisé. Néanmoins, cette série ISO 15118 est élaborée pour s'adapter aux couches liaison de données spécifiées dans les documents correspondants de la série.
[1] En cours de préparation. Stade au moment de la publication: ISO/DIS 15118-20:2019.

Cestna vozila - Komunikacijski vmesnik med vozilom in omrežjem - 1. del: Splošne informacije in definicija primera uporabe (ISO 15118-1:2019)

Ta dokument kot podlaga za druge dele skupine standardov ISO 15118 določa izraze in definicije, splošne zahteve in primere uporabe za kabelsko in brezžično komunikacijo na visoki ravni (HLC) med komunikacijskim krmilnikom električnega vozila (EVCC) in komunikacijskim krmilnikom opreme za napajanje (SECC). Ta dokument se uporablja za komunikacijo na visoki ravni, ki je vključena v tehnologijah kabelskega in brezžičnega prenosa moči v okviru ročnih ali avtomatskih priključnih naprav.
Ta dokument se uporablja tudi za prenos energije od opreme za napajanje električnih vozil za polnjenje akumulatorja električnega vozila ali od akumulatorja električnega vozila do opreme za napajanje električnih vozil za prenos energije v dom, obremenitve ali v omrežje.
Ta dokument podaja splošen pregled in razumevanje vidikov, ki vplivajo na identifikacijo, povezavo, nadzor in optimizacijo polnjenja ali praznjenja, plačilo, uravnavanje obremenitve, kibernetsko varnost in zasebnost. Ponuja interoperabilni vmesnik opreme za napajanje EV-EV za vse akterje e-mobilnosti, ki presega komunikacijski krmilnik opreme za napajanje.
Skupina standardov ISO 15118 ne določa notranje komunikacije v vozilu med akumulatorjem in drugo notranjo opremo (razen nekaterih namenskih elementov sporočila v zvezi s prenosom energije).
OPOMBA 1: Električna cestna vozil so zlasti vozila v kategorijah M (uporabljajo se za prevoz potnikov) in N (uporabljajo se za prevoz blaga) (primerjaj ECE/TR ANS/WP.29/78 ev.2). To ne preprečuje, da bi tudi vozila v drugih kategorijah sprejela skupino standardov ISO 15118.
OPOMBA 2: Ta dokument je namenjen usmerjanju niza sporočil iz standardov ISO 15118-2 in ISO 15118-201. Odsotnost
katerega koli primera uporabe v tem dokumentu ne pomeni, da se ne bo izvajal v praksi z zahtevanimi sporočili.
OPOMBA 3: Ta dokument ter standarda ISO 15118-2 in ISO 15118-20 so zasnovani, da delujejo neodvisno od uporabljenega medija za prenos
podatkov. Vendar pa je skupina standardov ISO 15118 oblikovana za vstavljanje določenih podatkovnih povezovalnih plasti v ustrezne dokumente v tej skupini standardov.

General Information

Status
Published
Public Enquiry End Date
04-Mar-2018
Publication Date
21-May-2019
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
10-May-2019
Due Date
15-Jul-2019
Completion Date
22-May-2019

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SLOVENSKI STANDARD
SIST EN ISO 15118-1:2019
01-julij-2019
Nadomešča:
SIST EN ISO 15118-1:2015
Cestna vozila - Komunikacijski vmesnik med vozilom in omrežjem - 1. del: Splošne
informacije in definicija primera uporabe (ISO 15118-1:2019)

Road vehicles - Vehicle to grid communication interface - Part 1: General information

and use-case definition (ISO 15118-1:2019)

Straßenfahrzeuge - Kommunikationsschnittstelle zwischen Fahrzeug und Ladestation -

Teil 1: Allgemeine Informationen und Festlegungen der Anwendungsfälle (ISO 15118-

1:2019)

Véhicules routiers - Interface de communication entre véhicule et réseau électrique -

Partie 1: Informations générales et définition de cas d'utilisation (ISO 15118-1:2019)

Ta slovenski standard je istoveten z: EN ISO 15118-1:2019
ICS:
35.100.05 Večslojne uporabniške Multilayer applications
rešitve
43.040.15 Avtomobilska informatika. Car informatics. On board
Vgrajeni računalniški sistemi computer systems
SIST EN ISO 15118-1:2019 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 15118-1:2019
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SIST EN ISO 15118-1:2019
EN ISO 15118-1
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2019
EUROPÄISCHE NORM
ICS 43.120 Supersedes EN ISO 15118-1:2015
English Version
Road vehicles - Vehicle to grid communication interface -
Part 1: General information and use-case definition (ISO
15118-1:2019)

Véhicules routiers - Interface de communication entre Straßenfahrzeuge - Kommunikationsschnittstelle

véhicule et réseau électrique - Partie 1: Informations zwischen Fahrzeug und Ladestation - Teil 1:

générales et définition de cas d'utilisation (ISO 15118- Allgemeine Informationen und Festlegungen der

1:2019) Anwendungsfälle (ISO 15118-1:2019)
This European Standard was approved by CEN on 16 March 2019.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 15118-1:2019 E

worldwide for CEN national Members.
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SIST EN ISO 15118-1:2019
EN ISO 15118-1:2019 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 15118-1:2019
EN ISO 15118-1:2019 (E)
European foreword

This document (EN ISO 15118-1:2019) has been prepared by Technical Committee ISO/TC 22 "Road

vehicles" in collaboration with Technical Committee CEN/TC 301 “Road vehicles” the secretariat of

which is held by AFNOR.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by November 2019, and conflicting national standards

shall be withdrawn at the latest by November 2019.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 15118-1:2015.

This document has been prepared under a mandate given to CEN by the European Commission and the

European Free Trade Association.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
Endorsement notice

The text of ISO 15118-1:2019 has been approved by CEN as EN ISO 15118-1:2019 without any

modification.
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SIST EN ISO 15118-1:2019
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SIST EN ISO 15118-1:2019
INTERNATIONAL ISO
STANDARD 15118-1
Second edition
2019-04
Road vehicles — Vehicle to grid
communication interface —
Part 1:
General information and use-case
definition
Véhicules routiers — Interface de communication entre véhicule et
réseau électrique —
Partie 1: Informations générales et définition de cas d'utilisation
Reference number
ISO 15118-1:2019(E)
ISO 2019
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SIST EN ISO 15118-1:2019
ISO 15118-1:2019(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2019

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved
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SIST EN ISO 15118-1:2019
ISO 15118-1:2019(E)
Contents Page

Foreword ..........................................................................................................................................................................................................................................v

Introduction ................................................................................................................................................................................................................................vi

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 2

3.1 General terms ........................................................................................................................................................................................... 2

3.2 Control modes ......................................................................................................................................................................................13

3.3 Architecture channel .......................................................................................................................................................................13

3.4 Forward and reverse power transfer ................................................................................................................................13

3.5 Minimum and maximum energy request limits ......................................................................................................13

3.6 Source generator modes ..............................................................................................................................................................14

4 Abbreviated terms ...........................................................................................................................................................................................14

5 Requirements .......................................................................................................................................................................................................15

5.1 List of requirements ........................................................................................................................................................................15

5.2 General communication requirements ...........................................................................................................................15

5.3 User-specific requirements .......................................................................................................................................................16

5.3.1 Reliability, availability, error handling and error reporting ....................................................16

5.3.2 Private data protection ............................................................................................................................................17

5.3.3 Ease of use ..........................................................................................................................................................................17

5.4 OEM-specific requirements.......................................................................................................................................................17

5.5 Utility-specific requirements ...................................................................................................................................................18

5.5.1 Power limiting for grid control or local energy control ..............................................................18

5.5.2 Current and voltage limits for EV supply equipment protection ........................................19

5.5.3 Current and voltage limits for EV protection .......................................................................................19

5.5.4 Authorization of charging services ...............................................................................................................19

5.5.5 Authorization of energy transfer from the EV to the EV supply equipment .............20

5.5.6 Retrofitting .........................................................................................................................................................................20

5.6 Wireless communication requirements .........................................................................................................................20

5.6.1 General...................................................................................................................................................................................20

5.6.2 Communication infrastructure requirements .....................................................................................20

5.7 RPT description ...................................................................................................................................................................................21

5.7.1 General...................................................................................................................................................................................21

5.7.2 General information and requirements ....................................................................................................22

5.8 Traceability requirements ..........................................................................................................................................................22

6 Actors.............................................................................................................................................................................................................................23

7 Use case elements.............................................................................................................................................................................................24

7.1 General ........................................................................................................................................................................................................24

7.2 Task groups .............................................................................................................................................................................................25

7.3 Task groups description ...............................................................................................................................................................26

7.3.1 Start of communication process [A].............................................................................................................26

7.3.2 Plug-in and forced HLC ............................................................................................................................................28

7.3.3 WA1: discovery with reservation ...................................................................................................................29

7.3.4 Plug-in with concurrent IEC 61851-1 and HLC ..................................................................................29

7.3.5 WA2: discovery without reservation ...........................................................................................................30

7.4 Communication set-up [B] .........................................................................................................................................................31

7.4.1 EVCC/SECC conductive communication set-up .................................................................................31

7.4.2 WB1: EVCC/SECC wireless communication set-up ........................................................................32

7.5 Certificate handling [C] .................................................................................................................................................................32

7.5.1 Certificate update .........................................................................................................................................................32

7.5.2 Certificate installation ..............................................................................................................................................33

7.6 Identification and authorization [D] .................................................................................................................................35

7.6.1 Overview ..............................................................................................................................................................................35

© ISO 2019 – All rights reserved iii
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SIST EN ISO 15118-1:2019
ISO 15118-1:2019(E)
7.6.2 Authorization using contract certificates performed at the EV supply

equipment .................. ......................................................................................................................... ................................36

7.6.3 Authorization using contract certificates performed with the help of an SA ...........37

7.6.4 Authorization at the EV supply equipment using external credentials

performed at the EV supply equipment ....................................................................................................39

7.6.5 Authorization at the EV supply equipment using external credentials

performed with the help of an SA ..................................................................................................................40

7.6.6 WD1: Authentication with prior reservation .......................................................................................41

7.7 Pairing and fine positioning......................................................................................................................................................42

7.7.1 WP1: WPT fine positioning ..................................................................................................................................42

7.7.2 WP2: WPT fine positioning without communication support ..............................................42

7.7.3 WP3: Conductive energy transfer pairing ...............................................................................................43

7.7.4 WP4: WPT pairing .......................................................................................................................................................44

7.8 Target setting and energy transfer scheduling [E] ................................................................................................45

7.8.1 AC charging with load levelling based on HLC ....................................................................................45

7.8.2 WE1: WPT target setting and charge scheduling .............................................................................46

7.8.3 Optimized charging with scheduling from secondary actors ................................................46

7.8.4 DC charging with load levelling based on HLC .................. ..................................................................48

7.8.5 Resume to authorized charging schedule ...............................................................................................49

7.8.6 Reverse power transfer with load levelling based on HLC .......................................................50

7.8.7 Reverse power transfer on stand-alone operation .........................................................................51

7.8.8 Fast responding energy transfer services based on dynamic control mode .............52

7.8.9 Managed bidirectional power transfer into the grid and/or into the home .............54

7.9 Energy transfer controlling and re-scheduling [F] ...............................................................................................56

7.9.1 Energy transfer loop ..................................................................................................................................................56

7.9.2 Energy transfer loop with metering information exchange ....................................................57

7.9.3 WF1: WPT charging loop .......................................................................................................................................58

7.9.4 Energy transfer loop with interrupt from the SECC .......................................................................59

7.9.5 Energy transfer loop with interrupt from the EVCC or USER ................................................59

7.9.6 Energy transfer control based on dynamic control mode .........................................................60

7.10 Value-added services [G] .............................................................................................................................................................62

7.10.1 Value-added services.................................................................................................................................................62

7.10.2 WG1: ACD system status check ........................................................................................................................63

7.10.3 Energy transfer details ............................................................................................................................................64

7.11 End of energy transfer process [H].....................................................................................................................................64

7.11.1 General...................................................................................................................................................................................64

7.11.2 End of energy transfer process .........................................................................................................................65

7.12 WPT end of charge WH1..............................................................................................................................................................66

7.12.1 General...................................................................................................................................................................................66

7.12.2 WPT end of charge WH1 ........................................................................................................................................66

7.13 ACD connect/disconnect WI ....................................................................................................................................................68

7.13.1 ACD connect/disconnect WI ...............................................................................................................................68

Annex A (informative) Conductive charging infrastructure architecture ...................................................................69

Annex B (informative) Security ...............................................................................................................................................................................82

Annex C (informative) Examples of charging scenarios derived from the use case elements ...............88

Annex D (informative) Typical RPT system ............................................................................................................................................106

Annex E (normative) Requirement list .......................................................................................................................................................108

Bibliography .........................................................................................................................................................................................................................116

iv © ISO 2019 – All rights reserved
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SIST EN ISO 15118-1:2019
ISO 15118-1:2019(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see www .iso

.org/iso/foreword .html.

This document was prepared jointly by Technical Committee ISO/TC 22, Road vehicles, Subcommittee

SC 31, Data communication, and Technical Committee IEC/TC 69, Electric road vehicles and electric

industrial trucks. The draft was circulated for voting to the national bodies of both ISO and IEC.

This second edition cancels and replaces the first edition (ISO 15118-1:2013) which has been technically

revised. The main changes compared to the previous edition are as follows:

— new use cases and requirements for wireless communication, wireless power transfer, automatic

connection devices and bidirectional power transfer have been added; and

— as usage of private data and cyber security are becoming an important concern for users,

requirements for more traceability and data privacy have also been added.
A list of all parts in the ISO 15118 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/members .html.
© ISO 2019 – All rights reserved v
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SIST EN ISO 15118-1:2019
ISO 15118-1:2019(E)
Introduction

The pending energy crisis and the necessity to reduce greenhouse gas emissions have led vehicle

manufacturers to make a very significant effort to reduce the energy consumption of their vehicles.

They are presently developing vehicles partly or completely propelled by electric energy. Those vehicles

will reduce the dependency on oil, improve global energy efficiency and reduce the total CO emissions

for road transportation if the electricity is produced from renewable sources. To charge the batteries of

such vehicles, specific charging infrastructure is required.

Much of the standardisation work on dimensional and electrical specifications of the charging

infrastructure and the vehicle interface is already treated in the relevant ISO or IEC groups. However,

the question of the interoperability of information transfer between the vehicle, the local installation

and the grid is also of the upmost importance.

Such communication is beneficial for the optimisation of energy resources and energy production

systems as vehicles can charge or discharge at the most economic or most energy-efficient instants.

It is also required to develop efficient and convenient payment systems in order to cover the resulting

micro-payments. The necessary communication channel can serve in the future to contribute to the

stabilisation of the electrical grid as well as to support additional information services required to

operate electric vehicles efficiently.

The requirements of this document form the basic framework for all use cases descriptions and related

documents in the ISO 15118 series. This document is the result of a large consensus among all the actors

of the electro mobility and is a guideline for implementers of the ISO 15118 series.

vi © ISO 2019 – All rights reserved
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SIST EN ISO 15118-1:2019
INTERNATIONAL STANDARD ISO 15118-1:2019(E)
Road vehicles — Vehicle to grid communication
interface —
Part 1:
General information and use-case definition
1 Scope

This document, as a basis for the other parts of the ISO 15118 series, specifies terms and definitions,

general requirements and use cases for conductive and wireless HLC between the EVCC and the SECC.

This document is applicable to HLC involved in conductive and wireless power transfer technologies in

the context of manual or automatic connection devices.

This document is also applicable to energy transfer either from EV supply equipment to charge the EV

battery or from EV battery to EV supply equipment in order to supply energy to home, to loads or to

the grid.

This document provides a general overview and a common understanding of aspects influencing

identification, association, charge or discharge control and optimisation, payment, load levelling,

cybersecurity and privacy. It offers an interoperable EV-EV supply equipment interface to all e-mobility

actors beyond SECC.

The ISO 15118 series does not specify the vehicle internal communication between battery and other

internal equipment (beside some dedicated message elements related to the energy transfer).

NOTE 1 Electric road vehicles specifically are vehicles in categories M (used for carriage of passengers) and

N (used for carriage of goods) (compare ECE/TR ANS/WP.29/78 ev.2). This does not prevent vehi

...

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