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Start hereEV charging fundamentals eMobility and EV basicsCharging technologyCharging hardware Charging infrastructure Load management

ProtocolsOCPP in depth OCPI and roaming Plug & ChargeEnergyEnergy and grid integration Bidirectional charging Battery storage

Market and rulesPayments and billing Business models Regulations and complianceFleets and trucksFleet charging Truck charging

Tariff dimension

What an OCPI tariff prices: energy, time while charging, parking time or a flat fee.

Explained in

OCPI and roaming · Stop 05How do tariffs travel?Energy, charging time, parking time and flat fees: the four dimensions an OCPI tariff can price, computed for one session, and what the driver finally pays.

OCPIOpen Charge Point Interface: an open protocol for roaming between operators and e-mobility service providers.