The demand for electric cars is soaring worldwide, putting pressure on electrical grid operators to find ways to balance the demand.
Electricity grids around the world are constantly working to synchronize charge and discharge cycles to regulate current frequency and keep the grid working.
A trial project in Denmark is testing how vehicle-to-grid connections could help to meet peak demand and make the electricity infrastructure more stable.
The trial is being carried out by the Japanese automobile manufacturer Nissan and the Italian energy company Enel SpA. The goal of the project is to demonstrate how the batteries of electric cars could help ease demand on the electrical grid by sending electricity back into the system.
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According to Nissan Europe energy services director Francisco Carranza, by hooking their vehiclesto a two-way grid connection to feed excess power to the grid, owners of electric cars have been able to rake in around $1,530 annually.
The excess power drawn from vehicles will ensure that the electrical grid can produce power at a consistent rate despite peaks and drops in demand.