How charging stations can keep the electricity grid in balance

Posted on 22 Jul 2021

Charging cars at a charging station causes fluctuations in the electricity grid. The Flemish company Enervalis from Houthalen-Helchteren, together with NewMotion, a subsidiary of Shell, has linked 20,000 charging posts of high-voltage manager TenneT into a kind of virtual power plant to stabilise the grid. But the technology could also be interesting for discharging bi-directional passenger cars, called vehicle-to-grid.
 

Predicting grid fluctuations

For a network operator of charging stations, it is interesting to know when which driver will use which charging station to charge the battery. These charging sessions cause fluctuations on the network. As a network operator, it is important to anticipate this. With Enervalis' self-calculating algorithm, it is possible to work with these predictions to keep the grid stable in order to control batteries, heat pumps, solar panels and wind turbines.

 

Bidirectional cars

Enervalis goes a step further and thinks about how discharging cars at charging stations, especially in cities, can be an answer to absorb temporary peaks. That is why Enervalis is also a partner in ROBUST, "the world's first research project into the large-scale deployment of bidirectional (vehicle-to-grid) passenger cars, in combination with batteries, smart-charging coaches and other energy assets". 


Source: https://solarmagazine.nl/nieuws-zonne-energie/i24700/enervalis-claimt-primeur-virtual-power-plant-van-laadpalen-elektrische-auto-s-en-zonnepanelen 

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