QuaSy-Q3 is the name of a complex of three, relatively independent of the basic applications QuaSy-DSS, focused exclusively on solving problems in the electricity sector. Complex QuaSy-Q3 is designed to modeling the electrical substations and networks in accordance with modern requirements of the standard international energy commission CIM IEC. The results of modeling are used to organize the flows and of telemetry to ensure efficiency of systems SCADA EMS / DMS / OMS.