Application of ARIMA model in forecasting annual city electricity consumptions

This paper briefly presented the principles and methods of ARIMA(auto regression moving average)model and applied the model to the analysis and forcasting of electricity demand of Chendu city.Upon examination it is further proved that ARIMA has high prediction accuracy and provides ideal forecast effect.It's feasible to use ARIMA model to forecast electricity demand.The model provides reference for power system staff to forecast.