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This paper proposes a novel design of battery energy storage systems accompanying wind farms in which the stored energy can be used for both stationary (e.g., arbitrage and reserve) and mobile (electric transportation) applications. While previous studies have been focused on stationary applications, this work envisions a future in which transportation is mostly electrically powered. Electric vehicles get refueled at charging stations that operate on batteries delivered by electric trucks from the wind farm energy storage systems. Based on the real-world scenario of the Chapman Ranch wind farm and related data from ERCOT, a battery dispatch model is developed and applied to cases with and without electric vehicle charging stations. The techno-economic analysis indicates that by combining the stationary and mobile applications, the energy storage system improves its profitability index or investment …