Simpow 11.0 is available as a free download on our software library. This program is a product of Solvina AB. Simpow lies within Education Tools, more precisely Science Tools.
From the developer:
Simpow ® is a highly integrated software for simulation of power systems. It covers a wide field of network applications focusing mainly on dynamic simulation in time domain and analysis in frequency domain.
You may want to check out more software, such as LoadRunner, Panel or Lasergene, which might be related to Simpow.