Learning Hub/Scenarios
Explanations use OCPI 2.2.1. Physical and billing-system events are authored examples.

Driver sees the rate in force at 16:40

Advanced
5 min
OCPI 2.1.1, 2.2.1 and 2.3.0
CPO publishes a time-of-day Tariff
Driver sees the rate in force at 16:40

At 16:40 the driver plugs in. Their app shows 0.35 per kWh, the rate that is in force right now. That is the number they will remember.

EMSP
USER
"The Open Charge Point Interface (OCPI) enables a scalable, automated EV roaming setup between Charge Point Operators and e-Mobility Service Providers."OCPI 2.2.1 specification · #introduction_introduction_and_background
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CDR bills each period at its own rate
Driver disputes the higher bill
Message FlowCCPOeeMSPsenderUUserreceiverStep 2 of 4