Development and investigation of a sun-based tariff model for charging electric vehicles
The purpose of this bachelor thesis is to create an easily understood tariff model suitable for electric vehicle (EV) charging stations connected to solar panels and the power grid, i.e. the sun-based model. The tariff model should give incentives to maximise the self-consumption of the station, i.e. to increase the direct use of the photovoltaic (PV) produced energy. This is done through encouraging the customer to charge at daytime and with low power output.
The presented results show how different types of EVs are affected with the suggested sun-based model, i.e. what their energy price and their price per 10 km becomes. The sensitivity analysis consists of a change in the installed PV capacity. The results show that the proposed model provides advantages for solar-charging, since the best price is offered to the customers who charge in the desired manner. The price is unaffected with the different solar panel sizes, but the profits of the station owners increase with the size. One particular challenge noticed in the model however is that the profit for the station owner increases with lower degrees of self-consumption, which needs to be rectified in future studies prior real-life implementation.
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