Parked electric vehicles can earn money supplying the power grid

Our ambitious efforts in replacing fossil fuels with renewable energy sources have created challenges for power grid operators in finding new ways to secure grid capacity and balance the demand for power.

Along with the upsurge in renewable energy sources, such as wind and solar, there has also been an increase in the manufacture of electric vehicles. However, with the electrification of the transportation sector, the world's power system, the electrical grid,' will need to prepare for a new and unprecedented demand for power and energy.One way technology is helping electrical grid operators to meet these challenges is in the creation of innovative systems that allow electric vehicles to communicate with the electrical grid, using vehicle-to-grid (V2G) technology.What is vehicle-to-grid? V2G is a system in which plug-in electric vehicles (PHEVs) and battery electric vehicles (BEVs), communicate with the power grid to sell demand response services by either returning electricity to the grid or by throttling their charging rate.

To utilize V2G technology, the electric vehicle (EV) must be "gridable," that is, BEVs and PHEVs with grid capacity. At any given time, 95 percent of cars are parked, so the batteries in EVs could be used to let electricity flow from the car to the electric distribution network and back.V2G project going on in EuropeTo that end, Rome, Italy-based Enel Energy, along with Nissan, Mitsubishi, and PSA Groupe, have been working together to pave the way for a roll-out of V2G. Projects have been initiated that will help in developing infrastructure that enables EVs to intelligently communicate with the grid to determine when charging, and ultimately discharging, can take place.The Parker Project, going on in Denmark is using a fleet of EVs to demonstrate the technology in a real-life setting. One aim of the project is to clear the path for V2G-integration with other OEMs as well as calculating the business case for several types of V2G, including Adaptive charging, overload protection, peak shaving, emergency backup and frequency balancing.“If you blindingly deploy in the market a massive number of electric cars without any visibility or control over the way they impact the electricity grid, you might create new problems,” said Francisco Carranza, director of energy services at Nissan Europe, in an interview with Bloomberg New Energy Finance.

 

Source : http://www.digitaljournal.com/tech-and-science/technology/parked-electric-vehicles-can-earn-money-supplying-the-power-grid/article/499902

SMART GRID Bulletin August 2017


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