What Is Plug-and-Charge Technology?

Plug-and-charge technology is an innovative feature in electric vehicle (EV) charging that allows a seamless, automated charging experience. With plug-and-charge, drivers simply connect their EV to a compatible charging station, and the charging process begins automatically—no need for swipe cards, apps, or PINs. This technology uses secure, encrypted communication between the EV and the charger to handle authentication, authorization, and payment instantly, making charging as simple and intuitive as possible.

The plug-and-charge process is part of the ISO 15118 standard, a set of international guidelines that establishes how EVs communicate with charging stations. Many major EV manufacturers and charging providers are now adopting plug-and-charge to improve convenience and enhance security for EV drivers.

How Does Plug-and-Charge Technology Work?

The plug-and-charge process is powered by secure data exchange between the EV and the charging station. Here’s a step-by-step look at how it works:

  1. Vehicle and Charging Station Communication: Once the EV is plugged in, the vehicle and charging station establish a secure connection, allowing them to communicate over an encrypted channel.
  2. Automatic Authentication: The vehicle sends its unique identification data to the charging station, which is linked to a user account and payment method. This eliminates the need for physical cards or apps to verify the driver’s identity.
  3. Authorization and Payment: Once the vehicle’s ID is confirmed, the charging session is authorized, and payment is automatically processed based on the user’s pre-saved payment details.
  4. Initiating Charging: After authorization, the charger begins supplying power to the EV. When charging is complete, the connection ends, and a receipt is sent to the driver via their app or email.

With plug-and-charge, the entire process takes just seconds to begin, making charging as simple as refueling a traditional gas vehicle.