PSS/E is a software tool used for electrical transmission planning, it is the standard Siemens offering serving this market and is currently in use in 123 Countries. Since its introduction in 1976, the Power System Simulator for Engineering tool has become the most comprehensive, technically advanced, and widely used commercial program of its type. It is widely recognized as the most fully featured, time-tested and best performing commercial program available.
PSS/E is an integrated, interactive program for simulating, analyzing, and optimizing power system performance. It makes available to the user the most advanced and proven methods in many technical areas, including: