Optimal Economic Modelling of Hybrid Combined Cooling, Heating, and Energy Storage System Based on Gravitational Search Algorithm-Random Forest Regression

Table 2

Energy storage unit parameters.

Self-consumption of energy storage	Charging and discharging	Self-consumption	Maximum input power (kW)	Maximum output power (kW)	Minimum state	Maximum state	Initial cost (kW.h)	Capacity (kW.h)	Maintenance cost ($/kW.h)
Electric energy storage	0.99	0.001	37.5	37.5	0.2	0.8	30	150	0.0018
Thermal energy storage	0.89	0.01	25	25	0	0.9	10	100	0.0016
Cold energy storage	0.90	0.01	25	25	0	0.9	10	100	0.0015