OpenDSS-G (fomer DSSim-PC) is a new step in the evolution of simulation tools for planning and operations based in OpenDSS. This interface has adopted the functionalities of OpenDSS for making easier to the user to use the advance features of the platform. This version includes the parallel processing features included in OpenDSS. The interface is faster and by using graphical objects and forms the user can describe the power system, configure the processor utilization and many more advance features.