This paper considers the issue related to the use of jet gas turbine engines for the generation of thermal and electrical energy, defined as a hybrid energy system powered by biogas. Revealing the main vulnerable points of the use and operation of these systems, it is proposed to use biogas obtained from agricultural, crop and livestock waste as fuel for gas turbine engines. Analyzing the work of gas turbine engines, it reveals not only the technological advantages of using biogas instead of fuel, but also reducing the cost of heat and electric energy obtained by obtaining a productive land biohumus. This will result, firstly, it is especially emphasized, the usefulness of the resulting ground humus as a waste material, when producing biogas as fuel, for the operation of a hybrid energy system operating on the basis of gas turbine engines. Secondly, during the operation of a hybrid power system, it is possible to simultaneously obtain thermal and electrical energy. Thirdly, the low cost of the heat and electric energy received. The following are other useful applications of such a power system. The resulting thermal energy is used for heating the greenhouse, and the electrical energy obtained from the operation of the hybrid power system can be used not only for lighting the premises, but can be used for the needs of the greenhouse. It is shown that the proposed hybrid power system consists of two technological structures. The first design is to obtain fuel in the form of biogas for the operation of gas turbine engines, the second design is the connection of the first design with gas turbine engines. A schematic diagram of the general design of the proposed hybrid power system and the principle of its operation is proposed. The difficulties encountered in the design and operation of such hybrid power systems are noted

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