Integrated DEA Models and Grey System Theory to Evaluate Past-to-Future Performance: A Case of Indian Electricity Industry

Table 2

Financial results of electricity companies in March 2011 and March 2012.

DMUs	Inputs (Rs. millions)								Outputs (Rs. millions; except EPS)
	(I) Staff cost		(I) Energy purchase		(I) Other expenses		(I) Equity capital		(O) Net income		(O) Net profit		(O) Basic EPS
	2011	2012	2011	2012	2011	2012	2011	2012	2011	2012	2011	2012	2011	2012
DMU1	−6996.2	−906.8	−9167.4	−8927.4	−6801.4	−10543.7	123,007.4	123,007.4	42,252.5	56,546.9	32,919.9	37,904.2	1.76	2.25
DMU2	−27897.1	−30904.8	−353737.8	−416354.6	−68856.7	−60682.6	82,454.6	82,454.6	583,597.8	620,535.8	141,986.8	140,378.0	11.04	11.19
DMU3	−7458.9	−8429.7	−21993.9	−25725.4	−5914.9	−8099.8	46,297.3	46,297.3	83,887.0	100,353.3	55,630.3	65,595.2	6.19	7.03
DMU4	−1274.7	−1709.7	−32.6	−555.4	−369.0	−1109.0	9,874.6	9,874.6	82,569.1	103,375.9	83,276.3	101,716.6	26.03	28.53
DMU5	−847.2	−1111.5	−4442.1	−4460.0	−1169.0	−1373.7	41,366.3	41,366.3	18,126.7	19,275.0	13,145.7	14,422.7	2.21	2.58
DMU6	−297.7	−525.1	−7043.6	−22644.9	−3368.9	−9439.2	21,800.4	21,800.4	21,064.3	39,489.0	10,540.5	9,789.1	2.40	−1.35
DMU7	−4330.0	−4710.0	−20930.0	−23980.0	−6800.0	−9440.0	1,260.0	1,260.0	40,180.0	46,810.0	8,860.0	9,690.0	39.09	44.37
DMU8	−669.3	−809.0	−20780.5	−34602.8	−4057.1	−6382.4	16,400.5	16,400.5	38,619.3	50,164.2	14,304.6	9,510.2	5.40	1.43
DMU9	−109.9	−99.4	−81.3	−32.6	−97.7	−115.9	3,726.3	3,726.3	1,596.8	675.2	1,344.0	1,478.7	0.77	0.00
DMU10	−14007.9	−16982.0	−5109.3	−5585.3	−11640.9	−13032.0	16,777.1	16,777.1	39,490.8	48,668.5	18,436.2	20,552.8	7.74	8.41
DMU11	−7621.8	−7404.8	−69969.6	−137455.3	−9911.4	−10135.4	2,674.7	2,630.3	96,145.9	179,066.7	13,775.0	30,658.6	43.23	75.70
DMU12	−606.0	−386.6	−671.6	−277.9	−477.5	−941.4	28,051.3	28,051.3	363.8	661.2	2,960.1	3,712.7	1.06	1.11
DMU13	−3411.2	−5126.5	−43471.0	−54391.9	−11946.0	−13297.2	2,373.3	2,373.3	69,184.8	84,958.4	15,292.4	21,977.4	40.84	4.53
DMU14	−2731.2	−2415.9	−38233.6	−47099.8	−10628.2	−10781.5	4,724.5	4,724.5	68,345.6	79,178.2	17,677.2	19,899.4	22.56	26.19