A charging network connects physical equipment, software, payment and customer-support workflows. Open communication protocols can make these components easier to integrate, but naming a protocol is only the beginning of the work.
Standards create a shared language
The Open Charge Point Protocol (OCPP) defines standardized communication between charge points and central systems. The Open Charge Alliance currently lists OCPP 2.1 alongside OCPP 2.0.1 and OCPP 1.6. Version choice and supported features should be checked against the actual equipment and platform requirements.
Compatibility has to be proven in context
Two products can reference the same protocol version and still differ in supported functions, configuration, security setup, firmware behavior, and implementation quality. Confirm the exact charger and central-system versions, supported profiles, certificates, and the end-to-end scenarios required at each site.
Connect technology to operating responsibility
Partners also need to define who monitors availability, handles faults, coordinates updates, and supports drivers. Integration tests should exercise the complete journey and the recovery paths that matter to the operator, not just a successful connection in a lab.
Current K Power project materials refer to OCPP 2.0.1 in the platform plan. That is a planning reference, not a statement that a particular charger, software stack, or deployment has been certified or accepted. Those details must be verified for the final combination.