HyperCharger Grid

One of the most frequent questions we get about HyperCharging is if the grid can actually sustain such massive energy outputs from single sites. In this article I will try to clarify the technology and why it is actually beneficial to the grid.

HyperChargers can withdraw anything from 600kW to more than more than 3MW in large charging stations. As we have always clarified, HyperChargers are for highway/freeway charging and not for domestic use, and are intended to hook up directly to medium or high tension power lines.

In most areas globally, the grid has excess capacity – which means that it can easily handle fluctuations in power demand – as will be the case with HyperChargers. This works also on the inverse scenario, when renewable energy plants insert power in the grid. Most utility scale renewable energy plants, specifically wind and solar, have power outputs that go in the the multi-MW region. Their supply is not predictable, and the grids have adjusted to make for these demands. As such, most grids on a global level are ready to receive HyperChargers.

HyperChargers in fact are beneficial to the grid. As electric cars are becoming more popular, power supply in urban areas can become very unstable. A modern EV charger can draw power equivalent to that used by 3 to 5 houses – and if multiple chargers are present in the neighborhood, the local power grid might overload resulting in power cuts. Consider that in many parts of the USA a neighborhood circuit caters for 5 to 10 houses at a time, assuming that each house uses a peak of 2kW simultaneously. Some domestic EV chargers can withdraw 20kW on their own. I think you get the picture.

What we are doing with HyperCharger is that by providing a way to charge your EVs extremely rapidly and away from neighborhood power lines, the energy load is shifted to the medium and high-tension lines, which have enough excess capacity to cover the load. Though we still believe that domestic chargers will abound and will be for many a comfortable alternative, HyperCharging will help reduce the load from the neighborhood grid and as such help in a more stable power distribution.

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