Research on the Method of Forecasting Annual Electricity Sales Based on Co-Integration Theory

摘要

Annual sales forecast have the great significance for the power company to detemine the growth point of the sales market in advance and maintam the market share.Based on the analysis of many external factors,such as economy,energy and industry,this paper establishes a multivariate modeling prediction method based on co-integration theory,and carries out an empirical study on the forecast of electricity sales in Henan Province in 2020.The example shows that the prediction method is reasonable and feasible to avoid false regression and has a high fitting effect,which can effectively improve the forecast accuracy of medium and long term sales.