Management Index Systems and Energy Efficiency Diagnosis Model for Power Plant: Cases in China

Table 15

The results of DEA diagnosis.

DMU			Technical efficiency		Returns to scale	DEA effectiveness
(A)	1	1	Valid	1	Constant	Valid
(B)	0.9542	0.9238	Invalid	0.9681	Increasing	Invalid
(C)	0.8567	0.8328	Invalid	0.9721	Increasing	Invalid