Considering the cooling system with normal thermal energy storage, load distribution is shown in Fig. 7. In the period of power grid valley load, always from 0 o’clock to 8 o’clock at night, part of chilled water output by 4 chillers of 4220.4 kW (1200 RT) is stored in a tank, about 135.1 MWh (38,400 RTh). And from 9 o’clock to 11 o’clock, 14 o’clock to 15 o’clock, 19 o’clock to 20 o’clock, the storage system supplies cool energy for user without chiller operation, and by which, even 6682.2 kW (1900 RT) at 16 o’clock is supplied too,as shown in Fig. 8.