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

Table 7

Indicator weight results.

Secondary	Weight of this layer	Third	Weight of this layer	Comprehensive weight
Economic benefits	0.46	New investment included in fixed assets ratio	0.321	0.148
		Asset utilization efficiency	0.538	0.247
		Unit asset pricing depreciation fee	0.141	0.065
Social benefit	0.201	Investment power growth ratio	0.451	0.091
		User reliability	0.549	0.110
Environmental benefits	0.201	CO2 emission reduction rate	0.672	0.135
		Proportion of clean energy power generation capacity	0.328	0.066
Technical benefits	0.139	Qualified rate of voltage	0.336	0.047
		Node voltage ratio	0.298	0.041
		Network coordination	0.366	0.051