World’s first electric car fleet supplying electricity to the grid

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The testing of new technology will enable a fleet of electric cars to supply power to the grid.


Electric vehicles must not only consume power, but also supply it. This is achieved by means of the new technology known as Vehicle to Grid—V2G—where the electric car battery is used to store electricity which is then channelled back into the system when the vehicle is hooked up to the electricity grid.

DTU is in charge of the Parker Project which is now connecting the world’s first fleet of electric Nissan cars to the grid so they can supply power. The Municipality of Frederiksberg (Copenhagen) is co-partnering the project and has recently purchased the ten electric vehicles for this very purpose.

The Parker Project
The Parker Project will examine whether series-produced electric vehicles as part of an operational fleet can supply energy and effect-based services to the Danish power grid. The organizations DTU, NUVVE, and INSERO are collaborating with a major car manufacturer (Nissan) and a Danish fleet owner (Frederiksberg Forsyning) in this pilot project.

Project period: 8/2016 – 8/2018

Read more about the Parker Project.
Source: Energy

The technology is receiving a lot of attention, as it has the potential to transform the electric car into an alternative power source that can support the grid with power as well as provide several services of a more technical nature.

“For example, electric cars can help to stabilize the grid more quickly if the power supply suddenly fails to match consumption. The electricity grid must maintain a constant balance between production and consumption in order to avoid power outages. In this context, electric vehicles can help ease overproduction of current by using some of the surplus to charge their batteries. Similarly, they can reduce a power shortfall either by ceasing charging, or by returning power to the grid. Electric vehicles can respond quickly to grid imbalances,” says Peter Bach Andersen, project manager of the Parker Project and researcher at DTU Electrical Engineering.

He predicts that in future we will see an increasing need to balance the power grid quickly.

“Electric cars can help to stabilize the grid more quickly if the power supply suddenly fails to match consumption. “

Peter Bach Andersen, DTU Electrical Engineering

“As more and more renewable energy such as wind and solar energy become integrated with the power grid, energy production will fluctuate more because we only produce wind power when the wind blows. We’ll therefore need resources such as electric cars to rapidly balance the grid, as they can quickly help to compensate for fluctuations. V2G also has tangible benefits for electric car owners, as DTU’s calculations show that there may be an annual economic gain of DKK 10,000 (€ 1,400) by selling services to the electricity system,” says Peter Bach Andersen.

Related reading: The car will be more than just a means of transport

Adapted from article by Lotte Krull, DTU Online News


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