200 kW photovoltaic plant to cover the own needs of a company for the production of metal profiles. The plant was built on a sheet metal roof of an enterprise in Sofia. Documentation for ERM West and the Municipality of Sofia was maintained by VVT Engineering. The project in all necessary parts was prepared by VVT Engineering. The plant consists of 370 Eurener Solar photovoltaic modules with a power of 540W with a 20-year product warranty and 4 ZCS Azzurro 50kW inverters with a 10-year warranty. The entire construction of the plant took 15 working days. After the construction of the photovoltaic plant, all necessary declarations and quality certificates were issued for the purpose of commissioning.