Forecasting Electrical Energy Consumption of Equipment Maintenance Using Neural Network and Particle Swarm Optimization

Table 2

The summarization of the historical datasets on electrical energy consumption of equipment maintenance, where 𝑁_𝐸 is the number of equipment repaired and 𝐸_𝐶 is the total electrical energy consumption (in thousand kWh).

Year	Tuples	Org1		Org2		Org3		Org4		Org5		Org6		Org7
		𝑁𝐸	𝐸𝐶	𝑁𝐸	𝐸𝐶	𝑁𝐸	𝐸𝐶	𝑁𝐸	𝐸𝐶	𝑁𝐸	𝐸𝐶	𝑁𝐸	𝐸𝐶	𝑁𝐸	𝐸𝐶
1999	12	48	39.2	65	50.5	52	39.9	37	33.6	28	25.0
2000	15	50	43.6	60	49.3	55	48.7	58	60.4	55	52.4
2001	15	54	58.2	64	60.3	56	57.1	56	61.0	58	60.0
2002	17	57	66.7	63	68.2	55	62.2	58	70.2	57	67.5	38	50.3
2003	18	61	72.8	66	81.6	59	68.9	60	77.8	58	72.3	36	52.5	21	26.9
2004	21	66	91.0	68	88.3	58	70.3	61	85.0	68	92.6	60	82.2	55	72.1
2005	20	72	113	68	95.8	62	81.7	65	102	70	107	68	98.0	59	83.5
2006	21	74	118	72	106	69	105	68	113	69	115	72	121	61	102
2007	21	75	123	78	137	65	116	73	130	75	136	78	148	63	103
2008	18			89	161	78	145	75	150	82	153	92	169	80	136
2009	21	72	132	79	151	72	138	78	156	76	148	82	160	65	116
2010	21	80	158	82	159	70	139	76	153	76	155	81	155	66	118
2011	21	83	169	80	160	72	145	75	149	80	171	80	151	67	133