Web site to determine wheeling charges in the Mexican system

To allow the transparency in the application of the wheeling methodology in the Mexican electrical system, reduce service costs, and grant a better service to the users, the Energy Regulatory Commission of the Ministry of Energy of Mexico (CRE) requested the technical services of the Electric Research Institute of Mexico (Institute de Investigaciones Electricas IIE) to develop a Web site for wheeling charges. This Internet-based wheeling charge calculation tool is used to quote transmission services in voltages levels of 69 kV to 400 kV, applying the actual methodology approved by CRE, in conjunction with the Ministry of Finance and Public Credit of Mexico. The model established in the Web site allows potential investors to study different options for a possible service and select the most convenient one for them, without having to deal directly with the service suppliers, reducing time, costs and improving efficiency. This article presents the technical and functional aspects of the design and implementation of the Web site for wheeling charges, as well as a general description of its usage.