A 20 kW grid-tied solar power plant was installed in the village of Mala Vyska, Kirovohrad region, for self-consumption in a private house. The system includes a roof structure made of aluminum and a ground structure made of ferrous metal. 36 Trina Solar Vertex-TSM-DE21 570 W panels were installed. The system is powered by a Solis 20 kW THREE PHASE-SUN-20K-G04/G05 inverter (1 pc.). The system provides stable power supply and reduces electricity costs.