Optimizing Electric Truck Routing and Charging with Soft Time Windows Using Vehicle-to-Grid Technology

Table 1

ET charging cost by KEPCO as of 1st of July 2022 (unit: KRW/kWh).

Month	Jun, Jul, Aug		Mar, Apr, May, Sep, Oct		Jan, Feb, Nov, Dec
	Time	Cost	Time	Cost	Time	Cost
Light demand	23: 00∼09: 00	63.0	23: 00∼09: 00	53.4	23: 00∼09: 00	72.6
Medium demand	09: 00∼10: 00	103.1	09: 00∼10: 00	64.2	09: 00∼10: 00	91.6
	12: 00∼13: 00		12: 00∼13: 00		12: 00∼17: 00
	17: 00∼23: 00		17: 00∼23: 00		20: 00∼22: 00
Maximum demand	10: 00∼12: 00	124.4	10: 00∼12: 00	68.1	10: 00∼12: 00	105.6
	13: 00∼17: 00		13: 00∼17: 00		17: 00∼20: 00
					22: 00∼23: 00