ISO 15118-1:2019

ISO 15118-1:2019 defines the general information and use case framework for the road vehicles vehicle-to-grid communication interface. It is a key reference for organizations evaluating how charging systems, vehicles, and grid-connected energy workflows are expected to communicate at a high level. For engineering teams, procurement specialists, and compliance reviewers, the document helps establish a common technical basis for documented evaluation, technical review, and conformity assessment planning around vehicle-grid interaction.

Purpose of ISO 15118-1:2019

The purpose of ISO 15118-1:2019 is to describe the overall communication interface concept and the use cases that shape vehicle-to-grid interaction in road vehicle applications. As the first part of the series, it provides the general context needed before implementing or testing more detailed requirements in related documents. It is especially useful when teams need to align engineering documentation, identify relevant operational scenarios, and support early technical validation for charging and energy exchange systems.

Compliance applications of ISO 15118-1:2019

ISO 15118-1:2019 is relevant where organizations are preparing compliance workflows for electric vehicle charging infrastructure, grid-interactive systems, or related laboratory evaluation programs. It can support specification review, system-level planning, and risk management activities when assessing how vehicles and external energy systems are expected to communicate. The document is also useful for procurement teams and test laboratories that need a shared compliance reference during product evaluation, interoperability analysis, or regulatory preparation.

Benefits of ISO 15118-1:2019

Using ISO 15118-1:2019 helps teams establish a clearer technical baseline for vehicle-to-grid communication projects. That can improve operational consistency across engineering, testing, and conformity assessment preparation, while reducing uncertainty in early-stage implementation work. It also supports better coordination between suppliers and internal reviewers when comparing technical proposals, defining verification activities, or planning quality assurance steps. For organizations working with connected mobility and energy systems, the standard contributes to more structured validation and lower integration risk.

• General framework for vehicle-to-grid communication use cases
• Support for engineering documentation and technical assessment
• Useful reference for compliance workflows and laboratory evaluation
• Helps align procurement review with system interoperability goals