Research on Utility Evaluation of Grid Investment considering Risk Preference of Decision-Makers

Table 5

Index system optimization results.

Second layer	Third layer	A	B	C	D	E	F
Economic benefits	New investment included in fixed assets ratio	0.500	0.000	1.000	0.773	0.636	0.409
	Asset utilization efficiency	0.700	0.000	0.800	0.400	1.000	0.400
	Unit asset pricing depreciation fee	0.600	1.000	0.400	0.200	0.000	0.800
Social benefit	Investment power growth ratio	1.000	0.143	0.000	0.571	0.429	0.071
	User reliability	0.000	0.750	1.000	0.875	0.500	0.125
Environmental benefits	CO2 emission reduction rate	0.000	0.222	0.667	1.000	0.444	0.333
	Proportion of clean energy power generation capacity	0.167	1.000	0.500	0.667	0.667	0.000
Technical benefits	Qualified rate of voltage	0.000	0.833	0.417	0.917	1.000	0.833
	Node voltage ratio	0.778	0.250	0.000	1.000	0.278	0.639
	Network coordination	0.667	0.364	1.000	0.303	0.424	0.000