In this master thesis calculations of energy and electricity costs for three scenarios were made: if we have an internal combustion vehicle, if we have an electric vehicle and if we have a solar power plant and an electric vehicle. I focused on analyzing the feasibility study of investing in a solar power plant if we already have an electric vehicle.
Calculations have shown that the costs of replacing an internal combustion vehicle with an electric vehicle are reduced by more than 50 %. If we also purchase an appropriately dimensioned solar power plant we save up to 600 EUR per year, which pays for itself in just over 13 years and the net present value of the investment is over 860 EUR. Scenario analysis by cities shows well that the investment pays off more in cities with higher radiation. This does not mean that the investment does not pay off at places with less radiation, only the power of the solar power plant needs to be adjusted. Sensitivity analysis has shown that among the considered parameters, the final result is most influenced by radiation and the price of a solar power plant. Based on the results of the Monte Carlo simulation, we can conclude that the investment would always pays off.
We can conclude that regardless of the location of power plants and the characteristics of consumption and driving habits the solar power plant can be dimensioned in a way that the investment pays off economically. We will not earn much, but if we buy an electric vehicle and a solar power plant primarily for the purpose of decarbonisation, purchase is a good decision.
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