Electricity Consumption Prediction for Xinjiang Electric Energy Replacement

Table 3

Comparison of prediction accuracy between single forecasting model and combined forecasting model for power load forecasting.

Index	Single prediction method			Simple combination forecasting method				IOWHA optimal weighted combination forecasting method
	GM	MLR	BP	GM; MLR	GM; BP	MLR; BP	GM; MLR; BP	GM; MLR	GM; BP	MLR; BP	GM; MLR; BP
RMSE	123.32	14.67	60.66	55.17	66.43	28.82	39.51	6.58	49.06	13.79	3.00
MAPE (%)	6.82	0.60	3.54	3.12	3.04	1.72	1.83	0.29	2.14	0.59	0.13
MSPE (%)	3.37	0.36	1.66	1.53	1.63	0.83	0.97	0.16	1.15	0.35	0.08