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The Open Charge Point Protocol (OCPP) is an application protocol for communication between electric vehicles (EV) and charging stations and a central management system, also known as a charging station network, similar to cell phones and cell phone networks. 

Charging station owners, or hosts, are less vulnerable to individual system suppliers – if a charging station manufacturer ceased to exist, the host could switch to another OCPP-based network. Giving charging station customers choice and flexibility to use any network on any charge station would, through market forces, encourage charging station manufacturers and network providers to compete on price, service, product features, and innovation – all of which encourages demand by charge station owners. The end result is a significant benefit to EV drivers as the charging station infrastructure expands.

OCPP also makes it easier to create a large-scale, visible network that uses a range of different charging stations since there is a requirement for only one operating system. Proponents of OCPP also cite a reduction in development costs since software designed to provide additional functionality would only need to be developed once and not several times to fit with each individual operating system. Finally, OCPP will ease interoperability across the United States, and elsewhere, and minimize remedial work on systems.

EV Insights chooses OPEN systems over closed. We support OCPP believing that the ability to switch networks benefits hosts and avoids stranded assets.