Daimler starts selling Smart Electric with V2G comms and Smartphone app

RWE and Daimler have started the second phase of their joint large-scale project, “e-mobility Berlin”.

RWE is providing the area-wide intelligent electricity charging infrastructure for “e-mobility Berlin” with around 500 electricity charging stations and is also responsible for the operation, supply of green electricity and central system control of the infrastructure.

In the framework of the “e-mobility Berlin” project customers conclude a contract for automotive electricity with RWE. The personal contract code (ID) is called up only once via the internet by the vehicle with the signing process familiar from online banking and saved in the RWE co-contractor billing system.

When contact between the vehicle and the charging station has been established by the charging cable, the electronics on board the smart fortwo electric drive and the charging point enable all relevant information such as the identification data for the electricity contract to be exchanged with the electricity grid.

The charging process is only automatically activated when the personal ID is recognized. Among other things this enables a convenient, simple and – above all – secure billing at all times. Customers receive a single electricity bill from RWE regardless of where and from which charging station operator they get the electricity for their smart.

This has the advantage for customers that they do not need to actively gain access, for example with a PIN or a credit card. At the same time data protection is guaranteed in all processes through the encryption and anonymisation of customer data.

As a further function, drivers are able to monitor the status of the charging process and therefore the current range of their smart fortwo electric drive anywhere and at any time, for example via a smartphone such as an iPhone, a Blackberry or any PC with internet access.

Drivers are also able to pre-air-condition their smart fortwo electric drive as long as their vehicle is being charged at home or at a charging station.

The electronics of the vehicle also form the basis for future applications, such as active management of the charging process. As the electronics can retrieve the maximum available charging capacity as well as the corresponding electricity costs when the vehicle is hooked up, it can calculate in which period of time recharging would be the most cost-effective. If the electric smart is parked for a longer time, charging can be carried out at times with lower electricity network load, for example.

Source: Daimler.

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