Connected VehicleElectric Vehicle

TenneT, The Mobility House and Nissan work together on V2G project

The transmission system operator TenneT, the energy service provider The Mobility House and the automotive manufacturer Nissan have started a joint project to investigate the ways in which electric cars can contribute towards solving the problem of security of supply.

In addition, the project will develop and evaluate suggestions for regulatory guidelines for vehicle-to-grid.

The increase of renewable energies and e-mobility is creating a challenge for security of supply is the key is to coordinate power generation and power consumption and, at the same time, ensure the stability of the power grid.

In the project, TenneT, The Mobility House and Nissan are making use of the potential of the batteries in electric vehicles for storing locally produced electricity and to feed it back into the grid to stabilise the grid.

Due to the increasing decentralized infeed of renewable energy sources, transmission bottlenecks are becoming increasingly common in the power grid. To prevent such bottlenecks, TenneT interferes in the production of conventional power stations and renewables (redispatch, grid reserve, wind power curtailment) and thus ensures that electricity transport remains within the limits and capabilities of the grid.

During the project phase, Nissan electric vehicles are being used as mobile energy storage systems in the TenneT control area in Northern and Southern Germany to directly reduce local overloads in the power supply or power demand. After a successful implementation of the project, Nissan e-vehicles could be used for this purpose right across Germany.

The load and energy management software developed by The Mobility House enables automated control of the vehicle charging and discharging process. The key prerequisite for this is the capability for bidirectional charging; i.e. the e-vehicle has the ability not only to draw energy from the grid but also to feed energy back into the grid as required. The result is that e-vehicles can directly provide grid-stabilising energy supplies.

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