Power monitoring system and method of displaying power system information

Disclosed are a power monitoring system and a method of displaying power system information. The method includes receiving new renewal energy power information from a new renewal energy unit; receiving at least one of battery power information and battery connection state information from a battery; generating a GUI (Graphical User Interface) based monitoring image based on the new renewal energy power information, the battery power information or the battery connection state information; and displaying the monitoring image.