Audi has announced that it is testing out bidirectional charging technology for electric cars, this would incorporate the electric car into the domestic power grid and could provide additional power to the grid when not in use.
What this would do is make electric vehicles a storage unit for energy to be drawn on by the grid or the owners house when needed, for example when a vehicle was parked overnight or not in use.
The idea is as simple as it is genius: The high-voltage battery of the electric car not only is charged via the wall box at home but can also supply energy back to the house as a decentralized storage medium. If the customer has a photovoltaic system, the electric car serves as a temporary storage medium for the domestically generated eco-electricity. When the sun is no longer shining, the vehicle can supply the stored electricity back to the house. Bidirectional charging at home – also known as Vehicle to Home (V2H) – has great potential to reduce the home owner’s electricity costs and increase network stability. As a further expansion stage in combination with a home storage unit, it is possible to achieve near complete energy independence and increased security of supply in the event of a blackout. “Using the battery of electric vehicles to contribute to climate protection while lowering electricity costs at the same time is a vision that we have found fascinating since the very beginning. And we have found an ideal partner in Audi,” explains Ulrich Reiner, project manager at Hager Group.
You can find out more details about Audi’s plans for bidirectional charging technology for electric vehicles over at their website at the link below.