The utility model provides an integrate many data resources's electric power supply and demand analytic system, includes: user terminal equipment, internal processing server and external transaction server, user terminal equipment include more than one, and the internal processing server includes: the WEB server of being connected through electric power information network and each user terminal equipment, be connected with the external transaction server through electric power information network, acquire the database server of storage analyzer data source from the external transaction server, be connected with WEB server and database server respectively through electric power information network, the electric power supply and demand analysis application server of many data resources s' electric power supply and demand analysis is integrated the analysis data source, the external transaction server is the data source server in analysis data source of the electric power supply and demand analysis that provides the many data resources of integration, the external transaction server includes at least one. The utility model discloses the system, simple structure, convenient and practical has improved and has integrated the reliability of many data resources's electric power supply and demand analysis and analysis result's security.