In February 2025, OCA has published the application note “Signed meter values in OCPP”
You can download the application note below. Do you want to learn more about this topic? Watch the OCA webinar “Eichrecht and OCPP” on YouTube. It was held by guest speakers Robert Schlabbach and Patrick Rademakers.
Signed meter values and Eichrecht
Support for sending signed meter values is needed in order to comply with German Eichrecht. The application note outlines the standardized method for sharing signed meter values between a Charging Station (CS) and a Charging Station Management System (CSMS). The purpose of which is to provide consumers a way of validating the validity of chargeable measurand(s) (Wh, Time, etc), in compliance with applicable laws or regulations in different jurisdictions.