Your Complete Guide to the Open Charge Point Protocol (OCPP)

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You might come across terms like “Open Charge Point Protocol” or “OCPP.” But what does OCPP stand for? And how does it benefit you?

What is OCPP protocol?

The Open Charge Point Protocol (OCPP) is an open-source, standardized communication protocol that facilitates communication between Electric vehicle supply equipment (EVSE) and their central management systems (CMS).

OCPP protocol defines a set of rules and messages that enable interoperability between different brands and types of charging stations and backend systems. It has become the global benchmark for interoperability throughout the EV charging industry.

Open Charge Point Protocol (OCPP)

What is the latest OCPP protocol?

OCPP 2.0.1 is the latest version of the Open Charge Point Protocol. OCPP 2.0.1 was released in 2018 and introduced several enhancements and improvements over previous versions, including increased security features, improved interoperability, and support for new functionalities such as smart charging and dynamic tariff management.

The OCPP 1.6 version, as an application protocol, has also been improved to meet current industry standards and is therefore still in use as people slowly adopt OCPP 2.0.1.

It’s worth noting that the OCPP software continues to evolve, with ongoing development and updates to address emerging needs and technologies in the electric vehicle charging industry.

How does the OCPP protocol work?

OCPP system operates on a client-server architecture, where the charging station acts as the client, and the back-end management system functions as the server. The communication between the charging station and the server occurs through predefined messages and commands defined by the OCPP system.


When a charging station is connected to a power source and a vehicle, it initiates a connection to the back-end system. This connection can be established through various communication channels, such as Ethernet, Wi-Fi, or cellular networks, depending on the supported connectivity options.

Once the connection is established, the charging station sends status updates, metering information, and operational data to the server. It can report details such as charging session start and end times, energy consumption, charging rates, and any detected faults or errors. The back-end system can then process and analyze this data for billing, monitoring, and operational purposes.

Conversely, the back-end system can send control commands to the charging station, such as starting or stopping a charging session, adjusting the charging rate, or configuring specific parameters. These commands are transmitted over the established connection and executed by the charging station accordingly.

OCPP software also includes mechanisms for security, authentication, and encryption to ensure the integrity and privacy of the communication between the charging station and the back-end system.

Who uses OCPP protocol?

OCPP protocol is widely used by various stakeholders in the electric vehicle (EV) charging industry. Some of the key users of OCPP software include:

Charging Station Manufacturers

Companies that manufacture EV charging stations like EVB implement OCPP systems in their products to enable communication with central management systems and ensure interoperability with other components of EV charging networks.

Charging Network Operators

Operators of EV charging networks utilize OCPP software to manage and monitor their charging stations efficiently. OCPP software allows them to remotely initiate and terminate charging sessions, monitor charging status, and collect data for billing and reporting purposes.

Be An EV Charge Point Operator with EVB

Software Developers

Developers of EV charging management software and platforms leverage OCPP software to ensure compatibility with a wide range of charging stations and backend systems.

Which charging station company has OCPP chargers?

EVB BCP-P and BCPC-P series of AC chargers have earned a reputation for our OCPP-compliant electric vehicle charging software.

AC EV Charger with Cable 1
Dual Socket EV Charger 7

These two OCPP EV chargers are designed to be intelligent, reliable, convenient, and efficient. They provide users with seamless charging experiences, offering control through smart applications and various connectivity options.

Charge point operators and utility providers can optimize the performance and efficiency of their electric vehicle charging infrastructure through EVB’s cloud platform.

Additionally, if you are located in New South Wales, we are pleased to inform you that these chargers have been certified under the New South Wales government subsidy policy. Users who invest in and install these chargers can benefit from subsidies provided by the New South Wales government.

Learn more about our OCPP smart charging solutions today and join our innovative network to drive the development of the electric vehicle charging industry!

Explore EVB OCPP Charging Solutions Now

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