Electric Vehicle Charging Payments Glossary
Electric Vehicle Charging Payments Glossary

The U.S. Payments Forum Electric Vehicle Charging Glossary defines a common set of terms and standards that support clear understanding of electric vehicle (EV) charging payments across the industry. Focused on terminology relevant to payment approaches, this resource promotes consistency in how stakeholders communicate about this rapidly evolving area of commerce.

Browse the live glossary below or download the full version for easy reference and sharing.

All | A B C D E G H I J K L M O P R S T V
Idle Fee
A charge applied to a vehicle that remains plugged into a charger after it is fully charged. The fee encourages users to move their vehicle when charging is complete.
Internal Combustion Engine (ICE) Car
A vehicle with an internal combustion engine.
Interoperability
The capability of different electric vehicle charging networks and systems to work together seamlessly. Interoperability is achieved through standardized protocols like the Open Charge Point Protocol (OCPP) and Open Charge Point Interface (OPCI), which ensure that hardware and software from different vendors can communicate effectively.
ISO 15118
A standard that defines the communication protocol between electric vehicles and charging stations. The standard supports features like Plug & Charge, enabling secure, automated charging and payment processes without the need for physical cards or apps.

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