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The Future of EV Charging: The Magic of Plug and Charge Technology

Plug and charge technology is set to redefine the EV charging experience by making it more efficient, secure, and user-friendly to identify and pay for EV charging. As EV adoption continues to grow, businesses that embrace and invest in this technology will be well-positioned to capture new market opportunities and differentiate themselves from competitors. The future of EV charging is here, and it's time to plug into the benefits of plug and charge technology.


Vendor-neutral (multivendor) CPO backend systems, such as eMabler, play a crucial role in enabling smooth plug and charge experiences for EV drivers. These systems offer businesses the flexibility to select their preferred charging stations and security certificate providers while providing scalability and streamlined operations.

By supporting multiple vendors, these systems allow businesses to access the highest quality charging stations, ensuring availability and competitive pricing. This creates value for clients and fosters growth and innovation within the EV charging ecosystem.


Electric vehicles (EVs) have been revolutionizing the automotive industry, bringing a new level of sustainability and convenience to the market. One of the most exciting advancements in EV technology is the advent of plug and charge systems, which are poised to streamline the charging process, making it easier and more efficient than ever. In this blog, we'll explore the benefits of plug and charge technology, its impact on the EV market, and the opportunities it presents for businesses.

What is Plug and Charge Technology?

Plug and charge is an innovative feature designed to simplify the EV charging process. It eliminates the need for RFID cards, mobile apps, or other authentication methods typically required to initiate a charging session. Instead, the charging station and the vehicle communicate directly and securely, enabling seamless authorization and billing. All the driver needs to do is plug in the charger, and the rest is taken care of automatically.

The Benefits of Plug and Charge Technology

  1. User-friendly experience: One of the main advantages of plug and charge is the seamless and user-friendly experience it provides. By eliminating the need for additional authentication steps, drivers can save time and enjoy a hassle-free charging process.

  2. Enhanced security: Plug and charge technology relies on digital certificates and encryption, ensuring a secure connection between the vehicle and the charging station. This added layer of security helps protect both the user's personal data and the charging infrastructure.

  3. Faster adoption of EVs: Simplifying the charging process is a crucial factor in encouraging more people to switch to electric vehicles. By making EV charging as easy as filling up a traditional car with gasoline, plug and charge technology can help accelerate the widespread adoption of EVs.

  4. Increased efficiency for businesses: For businesses that offer EV charging, plug and charge technology can streamline operations and reduce administrative overhead. With a more automated process, there's less need for manual intervention, which can lead to increased efficiency and cost savings.

The Future of EV Charging: The Magic of Plug and Charge Technology

Opportunities for Businesses

The rapid growth of the EV market presents a unique opportunity for businesses to capitalize on the demand for convenient charging solutions. Plug and charge technology offers several ways for businesses to differentiate themselves and create value:

  1. Integration with loyalty programs: Businesses can use plug and charge technology to integrate EV charging with their existing loyalty programs. By offering rewards or discounts to customers who charge their vehicles at their facilities, businesses can drive customer retention and brand loyalty.

  2. Enhancing customer experience: By adopting plug and charge technology, businesses can demonstrate their commitment to customer satisfaction and innovation. A simplified charging process can help attract and retain customers who appreciate a hassle-free and efficient experience.

  3. Collaboration opportunities: As the EV charging infrastructure continues to expand, businesses can collaborate with other stakeholders to develop innovative charging solutions. For instance, retailers, utilities, and charging network providers can join forces to create convenient, integrated charging networks that leverage plug and charge technology.

Adding to the plug and charge technology discussion, let's dive deeper into the process of certificate exchange and the role of backend systems in enabling seamless and secure EV charging experiences.

Certificate Exchange Process

The core of the plug and charge technology lies in the secure communication between the EV and the charging station, which is facilitated through digital certificates. These certificates act as a secure form of identification, similar to a digital passport, for both the vehicle and the charging infrastructure. They are based on the ISO 15118 standard, an international protocol that governs the communication between EVs and charging stations.

When an EV is connected to a charging station, the vehicle and the station exchange their digital certificates, initiating a process called the "handshake." During this handshake, the charging station verifies the vehicle's certificate, while the vehicle authenticates the charging station's certificate. This mutual authentication ensures that the communication between the two parties is secure and that they are authorized to exchange data.

Role of Backend Systems

Once the handshake is successfully completed, the charging station sends the vehicle's certificate to a backend system, which is typically managed by the charging network operator. This backend system is responsible for handling user accounts, billing information, and charging session data. It communicates with the charging station to verify the vehicle owner's account, confirm available charging plans, and manage the billing process.

Upon account verification and confirmation of the charging plan, the backend system sends an authorization message to the charging station, allowing the charging session to begin. Throughout the session, the backend system continuously monitors the charging process and records relevant data, such as energy consumption, duration, and cost.

Once the charging session is complete, the backend system automatically processes the billing information and charges the user's account accordingly. It can also send session summaries and usage reports to users, helping them keep track of their charging history and expenses.


In summary, the certificate exchange process and backend systems work in tandem to create a secure and seamless plug and charge experience for EV users. By leveraging these technologies, businesses can offer efficient and user-friendly EV charging solutions, accelerating the widespread adoption of electric vehicles and creating new opportunities in the rapidly growing EV market.

The Future of EV Charging: The Magic of Plug and Charge Technology

A certificate authority (CA) like Hubject plays a crucial role in the plug and charge ecosystem by issuing and managing digital certificates for secure communication between electric vehicles and charging stations. The CA validates the identity of parties involved in the charging process, ensuring trust and secure data exchange. This process not only enhances the security of the plug and charge experience but also contributes to the development of a reliable and interconnected EV charging infrastructure.

While plug and charge technology has numerous benefits, there are also some potential risks associated with it.

Here are some of the possible risks of plug and charge technology:

Cybersecurity risks: As plug and charge technology relies on digital certificates and encryption to facilitate communication between the EV and the charging station, any security vulnerabilities in the digital certificates or encryption algorithms could compromise the security of the system and expose users to cyber threats.

  • Compatibility issues: Plug and charge technology is based on the ISO 15118 standard, which is still evolving. As a result, there may be compatibility issues between different charging station manufacturers and EV models. This could create challenges for EV drivers trying to find a compatible charging station or for businesses looking to invest in plug and charge infrastructure.

  • Lack of flexibility: While plug and charge technology offers a user-friendly and streamlined experience, it may also limit users' flexibility in terms of choosing their preferred charging station or payment method. Some users may prefer to use a mobile app or RFID card to initiate a charging session, and the lack of these options could be a barrier to adoption.

  • Single point of failure: As the charging session is initiated and managed automatically through the communication between the EV and the charging station, there is a risk of a single point of failure. If the handshake process or the backend system fails, it could result in a disruption of the charging session or an inability to charge the EV.

To mitigate these risks, it is essential to ensure that plug and charge systems are designed with robust cybersecurity measures, interoperability standards, and flexible payment options. Additionally, businesses should invest in redundancy and fail-safe mechanisms to minimize the impact of potential system failures.



Based in Helsinki, Finland. We believe that eMobility is the way forward, having worked in the industry for over a decade and we see a great boom in eMobility. We’ve also seen many platform providers develop closed ecosystems and realized that there’s a need for a more flexible solution that focuses on end-user experience.

That’s why we decided to build an open platform that lets you integrate your EV charging data into any existing systems, please contact us.


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