Design of purchasing costs analysis system for grid companies

In order to master the structure of electric purchasing costs, plenty of purchasing data stored in the database of Power Market Operation System are analyzed, which distributed in all kinds of applications originally. Conventional stat method, factor analysis method and marginal analysis method are used to analyze and exploit historical data. On this basis, Web pages are designed to show analysis results with multi-dimensions, multi-caliber and multi-time accumulative type. According to flexible Combination of table, curve, pie chart and bar chart, pages will explain the structure of purchasing costs, the factors that affect the total cost and the average price and the marginal income of the transaction from different angles. All of these provide the conditions for the further optimizing purchasing costs of power grid companies.