Using the data from Polskie Sieci Energetyczne (PSE), the application presents planned and instantaneous power flows on commercial cross-sections.The data used comes entirely from the website www.pse.pl.The application is in no way related to the Polish Power Grid (PSE) but only uses publicly available data provided by the above entity.The application was created only for educational and informational purposes.The graphics (map) also come from the pse.pl website.