Audi commits to EEBUS for car-grid communications

January 31, 2019 // By Christoph Hammerschmidt
Battery-driven vehicles will interact and communicate more strongly with the power grid in the future. For example, the optimal time for charging can be negotiated, and if required, the vehicle batteries can feed energy into the grid. Audi has tested how this can work at a plug festival organized by the EEBUS development community in Brussels.

In the future, the electric car will play an important role in the digital energy world as a power consumer. Experts believe that it also has great potential as a power storage device to drive the energy revolution forward and cushion peak loads caused by regenerative generation. Because cars are parked most of the day - this offers plenty of time for flexible charging. The new electricity consumers not only place an additional burden on the power grid, but are also potentially flexible storage facilities for the variable availability of solar and wind power. Within a building, electric cars can coordinate the respective energy requirements with household appliances, heat pumps and other consumers, thus avoiding overloads. However, this requires the networking of all major producers and consumers in order to intelligently control the electricity demand. This is exactly what the EEBUS initiative has set itself: seamless and cross-sector communication in the energy system of the future. Over 70 international companies working on the common language for energy management on the Internet of Things.

At the two-day "Plugfest E-Mobility" on January 28 and 29, EEBUS members will test their developments based on the open communication standard at the Audi plant in Brussels. In model tests, developers and engineers will test whether the photovoltaic system, charging infrastructure, electric car and heating can communicate with each other without interference. The devices are networked via a home energy management system (HEMS). All information is collected in this control centre so that all energy-relevant devices can exchange information about their power requirements. Following the Plugfest, the participating companies will adopt the EEBUS specifications for e-mobility.


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