This article presents BIM tactics, implemented in the modeling of 3D objects for high and extra high voltage electrical substations, useful to reduce the time involved in making a change, as well as to evaluate various scenarios and their implications by providing 3D and 2D information that feeds decision making. It is based on three fundamental substation design processes that have a high impact on the projects, such as the creation of a digital twin from existing information in the field, modeling a surface for setting out the earthwork construction plan, and creating reusable parametric "families" (groups of object types), non-native in Revit® software, such as drains, trenches, ducts and reinforcement in foundations, all this applying modeling process design to determine the path that allows the greatest optimization of the resources; finally the project presents a link between all the objects that are part of the BIM3D model.