Series of special topics on battery swapping stations (1): Sensitivity analysis on cost splitting and operating benefits of battery swapping stations (with report)

Battery swapping is one of the important energy supplement methods for new energy vehicles. From the perspective of the government, battery swapping is an efficient way to replenish energy, and the development of battery swapping is conducive to promoting the growth of demand for new energy vehicles. The Ministry of Industry and Information Technology of my country encourages enterprises to develop battery-swap models according to applicable scenarios, and supports the pilot promotion of battery-swap models in Beijing, Hainan and other places. The cost of swapping station consists of investment cost and operating cost. The investment cost of swapping station includes land cost, equipment acquisition cost, construction cost, battery cost and other costs. In the vehicle-electricity non-separation mode, the investment in the swap station accounts for the largest proportion of the total investment in the swap station construction project, and passenger cars account for 53%. The largest proportion, passenger cars accounted for about 55%. The operating cost of the swap station mainly refers to the electricity purchase cost, labor cost and equipment maintenance cost incurred in the process of putting into use after the project is completed. Compared with the charging station, the centralized charging station has the advantage of power purchase cost. The revenue of battery swap stations mainly includes revenue from electricity sales services, battery rental services revenue and government subsidy revenue. We conduct a sensitivity analysis on the operating income of the passenger car and heavy truck swapping stations. We estimate that when the daily power exchange of a single passenger car swapping station is 1000/1500/2000/2500/3000kWh, under the vehicle-electricity non-separation mode, 10 years The internal rate of return for the period is -8.38%/2.05%/10.08%/17.05%/23.43%; in the vehicle-electricity separation mode, the internal rate of return for the 10-year period is -4.29%/4.47%/11.64%/18.01%/23.91 %. When the daily power exchange of a single heavy truck swap station is 3000/4500/6000/7500/9000kWh, the 10-year internal rate of return is -9.31%/1.18%/9.18%/16.08%/22.37 under the vehicle-electricity non-separation mode. %; under the vehicle-electricity separation mode, the 10-year internal rate of return is -5.98%/2.35%/9.12%/15.09%/20.58%, respectively.

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