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This version is licensed for educational use and evaluation purposes only. It includes most of the available Simulator add-ons (Available Transfer Capability (ATC) , Optimal Power Flow (OPF), Security Constrained OPF (SCOPF), OPF Reserves, PV/QV Curve Tool, Transient Stability, Geomagnetically Induced Current (GIC)), and can handle small cases containing up to 13 buses. The full version of Simulator can handle systems with up to 250,000 buses.
PowerWorld Simulator runs on Microsoft Windows operating systems version 7/Server 2008R2 and newer (64-bit editions only). No other operating systems are supported.
This is a freeware program designed to make it easy to exchange power flow cases. You can view a solved power flow case graphically using animated one-lines. Some sample cases and oneline diagrams are available from Texas A&M.