Battery Storage Integration in EV Fast Charging Station for Increasing its Revenues and Reducing the Grid Impact
M. Stecca (TU Delft - DC systems, Energy conversion & Storage)
W.W.M. Vermeer (TU Delft - DC systems, Energy conversion & Storage)
Thiago B. Soeiro (TU Delft - DC systems, Energy conversion & Storage)
Laura Ramirez Elizondo (TU Delft - DC systems, Energy conversion & Storage)
P. Bauer (TU Delft - DC systems, Energy conversion & Storage)
Peter Palensky (TU Delft - Intelligent Electrical Power Grids)
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Abstract
This paper discusses the design and optimization of electric vehicles’ fast-charging stations with on-site photovoltaic energy production and a battery energy storage system. Three scenarios, varying the number of chargers, distance from the main grid, and on-site photovoltaic generation potential, are investigated. Such scenarios are benchmarked in investment, operating costs, and grid connection requirements. The addition of a battery storage system is also evaluated to reduce the operating cost and, therefore, boost the system’s economic parameters, such as the net present value, and increase the grid independence.The analysis shows that the addition of the battery system can be effective in both performance metrics, the reduction of the grid connection, which can be reduced up to 80% by the addition of a large size battery, and the increase of the net present value, which can be even doubled with respect to the case when the battery storage system is not installed.