IEC 63119-1:2019

Overview

IEC 63119-1:2019 is an international standard published by the International Electrotechnical Commission (IEC) that establishes the foundational framework for information exchange in electric vehicle (EV) charging roaming services. This part 1 document defines the general requirements, terminology, system models, classification, communication protocols, and essential security mechanisms enabling interoperability and roaming among electric vehicle charge service providers (CSPs), charging station operators (CSOs), and clearing house platforms.

The standard specifically targets high-level communication involved in roaming interactions between different CSPs and between CSPs and CSOs via roaming endpoints. It does not cover the direct communication between charging stations and CSOs or between EVs and charging stations. As the basis for other parts of the IEC 63119 series, IEC 63119-1:2019 sets a cohesive, secure, and interoperable foundation critical to advancing EV charging roaming services worldwide.

Key Topics

• Terms and Definitions
  The standard provides comprehensive definitions essential for common understanding across stakeholders, including EV users, charge service providers (CSP), charging station operators (CSO), roaming endpoints, credentials, and service detail records.

• System Architecture and Models
  It outlines a general system model for EV charging roaming, detailing how charge service providers, charging station operators, and clearing houses interact through roaming endpoints and communication interfaces.

• Classification of Roaming Service Models
  IEC 63119-1 defines and classifies various roaming modes, enabling clear categorization of roaming scenarios to support diverse business models and interoperability requirements.

• Communication Protocol Stack
  The standard specifies network protocols and layered communication stacks ensuring robust, efficient, and standardized data exchange among involved parties.

• Security and Privacy Mechanisms
  Robust security requirements focus on authentication, authorization, data transfer security, and privacy protection tailored for the roaming ecosystem, ensuring trust and data protection in EV roaming services.

Applications

IEC 63119-1:2019 applies extensively in the EV charging ecosystem, enabling seamless roaming services that allow EV users to access multiple charging networks using a single credential and contract. Practical applications include:

• Interoperability Among Charge Service Providers
  Facilitates secure and standardized information exchange and billing among different CSPs, enabling EV users broader access to charging infrastructure.

• Integration with Charging Station Operators
  Standardizes communication and service provision between CSPs and CSOs, whether or not a clearing house platform is involved.

• Clearing House Platform Support
  Defines roles for mobility clearing houses that manage authorization, billing, and settlements between roaming partners.

• Enhanced User Experience
  Through standardized roaming endpoints and credential authentication, EV users benefit from convenient, secure, and widely accepted charging services.

• Security-Driven Roaming
  Protects stakeholders from data breaches and unauthorized access by enforcing stringent security standards within the roaming communication framework.

Related Standards

IEC 63119-1:2019 should be considered alongside other complementary IEC and ISO standards in the electric mobility space, including but not limited to:

• IEC 61851-1 - Electric vehicle conductive charging system fundamentals and definitions.
• IEC TS 62913-2-4 - Terms linked to e-mobility service providers and EV user interactions.
• RFC 5246 - Transport Layer Security (TLS) Protocol Version 1.2, referenced for securing data transfer.
• Other parts of IEC 63119 series - Cover detailed specifications for protocols, security enhancements, and implementation guidelines for EV charging roaming services.

By adhering to IEC 63119-1:2019, stakeholders contribute to a harmonized, secure, and scalable roaming environment that supports the global adoption of electric vehicles through interoperable charging infrastructure and services.