Solar Only mode aligns the overall charge rate to the amount of solar we predict your solar panels will produce, and with compatible hardware in place, we can even match the amount of power being exported to the grid. This allows customers to entirely self-consume their solar power. If there is not enough solar power being produced, then charging is paused until there is. This gives users the ability to charge with zero-cost, zero-carbon electricity.
To enable users to charge with only the solar power they are generating, we vary the charge rate of the vehicle to match the power produced. We can do this in two different ways;
1. Users with a hardware-based solution have a CT Clamp installed around their meter inlet. This lets the charger see the amount of power being imported or exported to the grid. This means that household load is taken into account as we are looking at the total power going into or out of the house.
2. Users without any hardware installed can use our software-based solution. We use a solar irradiance forecast which provides an estimation of the solar power produced by a solar array.
Using this information the charger can vary the amount of power available for the vehicle and so ensure that minimal energy is imported or exported. Both of these solutions will allow users to have zero cost, zero carbon charging - however, a hardware solution will typically be more accurate.
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