## 1 Introduction  
The main objective of planning electricity distribution networks is to determine the necessary conditions from a topological, structural, and physical point of view [1]. This goal has become a major issue in recent years for distribution planning services due to various changes occurring in the electricity sector [2, 3]. The construction of new electrical facilities such as substations, transformer, and distribution lines depends on the available areas in the study area [4]. Determining the geographical location of electrical installations and identifying the elements of the electrical network constitute the great challenges that arise in the planning of the distribution network. Geographic Information Systems (GISs) are computational tools that allow georeferenced databases to be associated with digital maps to facilitate the visualization of the geographical characteristics of a study area [5]. GISs help render data analyses easier to handle and provide high capabilities in dealing with large spatial data [6]. GISs are composed by data analysis and optimization tools to solve problems in various fields of engineering [7]. Effective deployment of GIS in power distribution would go a long way in the power industry in terms of being efficient and financially viable in addition to enhancing the consumer's satisfaction due to uninterrupted quality power supply [8]. The spatial and network analysis tools available in the GIS have been used in various planning studies of the electricity distribution network around the world [9; 10; 11; 12]. Different GIS software could be used, whether commercial, such as ArcGIS, MapInfo Professional, or Global Mapper, or free, such as QGIS or GRASS GIS. In addition to the basic functionalities of GIS, the WebGIS technique often integrates additional functionality by using data from different sources. WebGIS, a combination of Web and GIS, has become a growing discipline since its beginning in 1993. In 1993, Xerox Corporation's research center in Palo Alto (Santa Clara, CA, USA) developed a Web-based map viewer, marking the origin of Web GIS. This experiment made it possible to retrieve interactive information from the Web, rather than providing access to purely static files [13]. GIS became a key Internet application that allowed the public to take advantage of the benefits of the Web [14]. The data management of the electricity network was previously conducted in Tunisia with a classic method, by using paper maps and plans; the idea of this work was to create an intelligent electricity network and, thus, allow making appropriate decisions and advances [15]. It consists of carrying out GIS applications for the analysis and management of the MV/LV electricity network of the national Tunisian electricity and gas company STEG in the region of Medjez El Bab located in the governorate of Beja (worthwest of Tunisia) and setting up a Web GIS application related to it. The electrical network is made up of pylons, transformer stations, and power lines. MV lines are generally of the overhead type (sometimes underground near urban sites), and among these MV lines, there are bypasses that supply LV substations serving to supply low voltage to customers of the network [16]. The steps that will be followed in this study consist of creating a very large-scale database to set up the MV/LV network, defining and correcting topology rules (duplicates, inclusions, etc. ), determining spatial relationships between objects, displaying the two MV/LV databases at several scales, and practicing several spatial and network analyses by enabling an intelligent study of the transport network and an efficient organization and coordination of vehicles and pedestrian technicians, and this will enable making the right decisions by developing strategic routing plans.