Based on Super-Efficiency DEA model, this paper measured business performance of 62 listed companies in electric power industry in 2016 through the software DEA-SOLVER. The results point out a rank and sift out 18 DEA effective companies, which also took a comparison of efficiency score between CCR model and Super-Efficiency DEA model and provided powerful evidence for enterprises to understand their industry position. Besides, this paper carried out projection analysis towards ineffective decision making units(DMU) from the perspective of no...