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Preliminary Analyses of the V2G Technology Role – Case Study Croatia

Increase in electricity demand, need to fulfill the so called “20- 20-20” requirements, as well as the relatively adequate legislative framework, resulted in an increase of the renewable energy sources (RES) integration in the Croatian power system, especially observed during the last decade. However, due to the intermittent RES characteristics higher RES share results in generation-demand balancing problems. Incorporation of vehicle to grid (V2G) technology would enable electricity storage and system balancing leading to even higher penetration of RES into the power system, and possibly resulting in the reduction of oil derivates usage in transportation sector. In this paper, preliminary analysis of the V2G technology role in the case of Croatia was conducted. Potential introduction of 9000 electric vehicles, with the total of 90 MW, into the Croatian power system has been tested using GAMS modeling system. Results of the analysis indicate that the V2G technology would reduce the peak power during the periods of the highest demand, while increasing the technical minimum and reducing the required storage capacity in order to maintain quality of supply.

renewable energy resources (RES); electric vehicle; vehicle-to-grid; V2G technology; smart grid

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