Each part of ISO 15118 passes a set of stages, beginning with a New Work Item Proposal (NWIP or NP), until it is finally released as an international standard (IS). Have a look at the respective FAQ help articles for more information on each ISO 15118 document part and the general timeline for an ISO standardization process. 

The International Organization for Standardization (ISO) has published the first edition of ISO 15118-1 in April 2013. It's second edition is currently under development to entail use cases for bi-directional power transfer, wireless charging and wireless communication, and charging buses via pantographs, to name a few. The Draft International Standard (DIS) of the second edition is available online. The final International Standard (IS) is planned for November 2018.

ISO 15118-2 was first published in April 2014. The second edition is as well on its way to provide the necessary messages and data structures to implement the new use cases listed above. ISO is likely to publish the DIS stage by the end of the second quarter of 2018. The final international standard will probably be available roughly one year later (second quarter of 2019).

ISO 15118-3 has been published as IS in May 2015. Currently, the is no second version planned.

ISO 15118-4 and ISO 15118-5 have seen the light of day as IS in February 2018. They address the first edition of ISO 15118-2 and -3, respectively. As of today, there is no updated timeline for a second edition of part 4 and part 5.

ISO 15118-6 and ISO 15118-7 remain out of commission as they will be merged with the second edition of ISO 15118-1 and -2, respectively.

ISO 15118-8, the pendant of ISO 15118-3 for wireless communication, has been published as international standard in March 2018.

Last but not least, ISO 15118-9, the newest member of the ISO 15118 document family, is still in its early days and currently in the stage of a New Work Item Proposal.

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