ISO 15118-20:2022
Road vehicles - Vehicle to grid communication interface - Part 20: Network and application protocol requirements
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About This Item
ISO 15118-20:2022 defines network and application protocol requirements for road vehicles in a vehicle-to-grid communication interface. For engineering teams, integrators, and compliance reviewers, it provides a technical reference for how communication behavior should be structured when a vehicle interacts with external energy systems. As part of the ISO 15118 series, ISO 15118-20:2022 is relevant where documented evaluation, interoperability planning, and technical validation are needed across charging and grid-connected workflows.
What is ISO 15118-20:2022?
ISO 15118-20:2022 is the primary technical reference for the network and application protocol requirements in road vehicle vehicle-to-grid communication. Its scope is centered on how connected systems exchange information at the protocol level, which is important for developers, test laboratories, and conformity assessment teams working on communication-enabled charging infrastructure. In practice, it supports technical review, implementation planning, and verification activities where consistent protocol behavior is needed for interoperability and compliance preparation.
Applications of ISO 15118-20:2022
This document is typically used in electric vehicle charging ecosystems, vehicle communication interface design, and related testing workflows where network and application-layer behavior must be assessed against a defined reference. It may also support procurement review for charging equipment, software integration tasks, and laboratory evaluation of vehicle-to-grid functions. Organizations involved in engineering documentation, system validation, or regulatory preparation often use ISO 15118-20:2022 to align development and test activities with a common protocol framework.
Why is ISO 15118-20:2022 important?
ISO 15118-20:2022 matters because protocol consistency is essential for safety, interoperability, and reliable energy-system communication. When vehicles and charging or grid-connected systems exchange information, clear requirements help reduce integration risk and improve testing consistency across suppliers and platforms. The document is also useful for conformity assessment preparation, since it provides a structured basis for technical validation, quality workflows, and procurement decisions that depend on documented compliance reference material.
- Network and application protocol requirements for vehicle-to-grid communication interfaces
- Support for interoperability review and implementation planning in EV-related systems
- Useful for verification activities, laboratory evaluation, and technical validation
- Relevant to compliance workflows, procurement checks, and engineering documentation
- Publication Date: 2022-04-26
- Standard Status: Original
- Publisher: IEC
- Edition: 1
- This Version: ISO 15118-20:2022 (2022-04-26)
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