Research on Economic Optimal Dispatching of Microgrid Cluster Based on Improved Butterfly Optimization Algorithm

Table 5

Pollution discharge factors and costs.

Type	Governance cost/(CNY/kg)	Pollutant discharge factor/(g/kWh)
		PV	WT	DG	Grid	MT
CO2	0.21	0	0	651	890	750
SO2	14.85	0	0	0.218	1.92	0.041
NOx	62.53	0	0	6.23	1.65	0.26