The task of the thesis is to describe the characteristics of grounding systems of industrial plants. The first chapter of the thesis describes the grounding system. The methods of grounding the neutral point are resistive grounding, inductive grounding, resonant grounding and solid grounding. The selection of the neutral point of the system, grounding at points other than the neutral point of the system and the location of the grounding point of the system are described. The second chapter describes the grounding of equipment, where the basic objectives, the influence of electric shock, thermal influence, the basic concept and the difference of grounding equipment by type of use are mentioned. The third chapter deals with static and lightning rod grounding. The causes of static electricity, the possibilities of creating static charge and the conditions under which this occurs are described. The section on measurement and detection of static electricity lists and describes the instruments used. Static control methods such as grounding and bonding, humidity control, ionization, conductive footwear are listed. Lightning rod grounding describes the occurrence of lightning, the need for protection and equipment, factors that need to be taken into account when determining the size of lightning protection, and the terms for good protection. The fourth chapter describes grounding systems in distribution networks. Here are covered: designs of grounding conductors such as surface (horizontal, radial, ring, mesh), deep, foundation grounding conductors and the design of grounding systems, specific earth resistance and that soil resistance depends on the type, humidity, temperature: touch voltage, the highest permanent permissible touch voltage for alternating and direct current and step voltage. Finally, an example of grounding an industrial complex and an example of grounding a smaller facility are given.