GreenFlux has developed a solution to retrieve this data from charge stations and share it via roaming networks – a technical description is available here: Eichrecht – Signed Meter Values
This approach works for all manufacturers but may require some integration work, depending on the OCPP implementation. Please contact Technical Integrations ( chargepoints@greenflux.com) for further assistance.
Hardware models with a built-in display for drivers to check meter values do not need to exchange signed data via roaming networks