Investment Efficiency Assessment of Distribution Network for the High Proportion of Renewable Energy: A Hybrid Multiattribute Decision-Making Method

Table 1

Evaluation index system of distribution network investment efficiency for the high proportion of renewable energy.

	First-level index	Second-level index
Distribution network investment efficiency	Power supply guarantee capacityact (C1)	Average power outage time for urban and rural users (C11)
		Comprehensive voltage pass rate (C12)
		N − 1 pass rate (C13)
	Comprehensive carrying capacity (C2)	The average load rate of main transformers (C21)
		The average load rate of lines (C22)
		The comprehensive line loss rate (C23)
		The proportion of renewable energy (C24)
		The proportion of flexible adjustment resources (C25)
	Value creation capacity (C3)	The index of the proportion of electric energy (C31)
		The intelligent and standardized allocation rate of the distribution network (C32)
		The digital development index (C33)
		The technical level of the energy Internet (C34)