In the future, electric cars will become active participants in a decentralized energy system. To achieve this, we are making all charging and discharging processes traceable down to the specific facility.
Together with corporate partners and startups, we developed a distributed ledger-based billing infrastructure for electric vehicle charging at the Digital Hub Mobility. We use hardware-secured digital identities and a blockchain infrastructure for this purpose. This enables cross-system, unique, and tamper-proof accounting of charging processes, including the labeling of locally generated solar power. This facilitates the integration of e-mobility into the electricity market and simplifies sustainability reporting for fleet managers.
In the decentralized energy system of the future, millions of electric cars will become active market participants. For this to happen, the price, electricity origin, and CO2 intensity of all charging and discharging processes must be made unambiguous and traceable.
We used hardware-secured digital identities and a blockchain infrastructure to make billing-relevant metrics from charging processes verifiable for all stakeholders. This also includes the tamper-proof proof of origin for locally generated solar power.
In order to incentivize and verify charging with solar power, we have integrated the power origin and CO2 intensity into the driver front-end and the back-end of the charging infrastructure. This facilitates CO2 accounting for the fleet manager.
Our distributed-ledger based audit infrastructure in combination with the SAP E-Mobility Solution provides the opportunity to account for trading the locally generated electricity between building and electric vehicles with respect to price and CO2-emissions. The necessary tamper-proof connection of the physical and digital world is based on Infineon's Secure Elements public-key infrastructure. In combination with the open source stack of Energy Web and bloxmove, the stakeholders involved are equipped with decentralized identities. All billing-relevant key figures of the charging processes, including the tamper-proof proof of origin of the electricity, are recorded on the Energy Web Chain. In order to incentivize drivers to use the green electricity offer, this is displayed in the app of the charge point operator ChargeX and made traceable in the charging diary of the app from TRONITY, including CO2 balancing for all past charging processes.
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This project is part of our citizen mobility format, which aims at companies and startups in the mobility sector. Given the changes in the mobility industry, cross-company and cross-sector partnerships are becoming increasingly important. However, for many of our customers, establishing such partnerships is time-consuming, complex to manage, and difficult to keep on track for success.
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Elena Schelling
Consultant Innovation & Business Creation
Dr. Johanna Bronisch
Head of Energy Innovation
