As an EV charging station operator and you’ve installed EV chargers sourced from multiple suppliers, have you ever wondered whether you could manage them all through one CSMS backend? Or, as an EV driver, when you use your mobile APP to locate a charger, start charging, and pay your bill, have you ever wondered what makes it possible for EV charging stations run by different operators’ APP to work together seamlessly?
The answer lies in a technical standard called Open Charge Point Protocol (OCPP) . While it may sound complex, it directly affects the convenience, freedom of choice, and costs of your EV charging experience.
OCPP acts as the universal "language" of the EV charging world, enabling seamless communication between chargers and central management systems, regardless of brands. For example, It enables a charger produced by Company A to "communicate" with the sofware management system developed by Company B.
What Exactly Is OCPP?
The Open Charge Point Protocol (OCPP) is a standardized communication protocol that allows electric vehicle charging stations to "talk" to a central management system. Think of it as:
The “Common language” : OCPP acts as a common standard for EV charger communication, enabling chargers from different manufacturers can communicate, share information, and work together seamlessly.
The foundation of smart charging : allowing remote management, monitoring, and control of charging sessions.
In contrast to exclusive protocols, its interoperability is crucial to the development of scalable, adaptable and future-proof EV charging systems. Supported by the Open Charge Alliance (OCA), OCPP guarantees that all involved—from operators to EV drivers—can rely on interoperable, trustworthy and secure charging.
A Short History of OCPP
OCPP is originated in 2009 by the Dutch E-Laad foundation - now being part of OCA(The Open Charge Alliance). The original goal was to prevent vendor lock-in and to promote an open market for EV charging infrastructure.
OCPP 1.5 (2012):
The first widely used version, providing basic features such as remote start/stop, heartbeat monitoring, and meter value reporting.
OCPP 1.6 (2015):
Some key improvements are Smart Charging, enhanced security, Firmware Management and error handling. This version achieved global adoption.
OCPP 2.0 (2018/2020):
It is a new version for the e-mobility. It included enhanced security framework, advanced smart charging capabilities, secure device management as well as transaction management and support for new use cases such as Plug-and-Charge or ISO 15118 communication.
OCPP 2.0.1 (2020):
Latest stable version with additional tweaking and clarification of the 2.0 version. It is current standard for today and future charging networks.
The development of OCPP illustrates the increasing complexity and needs of the EV ecosystem—from basic remote control to higher security and interoperability.Each version has built on the previous one, making charging networks more secure, efficient, and user-friendly.
Why OCPP Matters
For EV Charging Operators:
Interoperability: You can use hardware and software components from a variety of suppliers.
Cost saving: No more expensive proprietary system, bulk purchasing.
Smart Charging: Enables load balancing, peak shaving, and integration with renewable energy system, like solar panel.
Remote Management: Monitor, control and diagnose all of your charging stations centrally to simplify management with less on-site maintenance.
Smooth User Experience: Provides features like booking, billing and automatic authentication over networks.
Data Exchange: Supports consistent and dependable communication for monitoring, reporting and compliance.
Scalability: Grow your network with ease as the demand increases.
For EV Drivers:
For EV drivers With OCPP comes a more reliable and improved superior charging experience. It results in the same type of charging for all networks and being able to start up and stop a session, as well as accurate charges with transparent prices. The protocol also provides enhanced functions, such as reservation systems and seamless integration with roaming platforms, while its smart charging capabilities optimize for both cost efficiency and grid stability. In addition, OCPP future proofs your charging infrastructure by supporting emerging technologies such as vehicle-to-grid (V2G), plug and charge and integration with renewable energy system.
Follow this guide to start your EV charging business with OCPP
As a charging station manufacturer that has independently developed OCPP and obtained OCA certification, our full range of products holds OCPP certification. Building upon years of dedicated R&D experience and validated through deployment across more than 80 countries worldwide, we deliver proven solutions grounded in real-world applications.Our platform not only provides the fundamental implementation of OCPP functionalities but also delivers customized solutions, translating customers' personalized requirements into turnkey solutions. We have already offered clients a variety of tailored services, including local payment systems integration and customized mobile applications. Speak with an expert to unlock greater value from this robust protocol, optimize your EV charging operations, and grow your business.
