Smart interlock system software for managing utility operations; smart key and its communication adaptor, namely, handheld device to display operation order and open locks for utility operation; micro-consumption network devices, namely, router and network coordinator that provides low power consumption network within the substation; electric locks and installation fittings; remote-controlled circuit control and interlock device for remote-controlled equipment, namely, feeder breaker; high voltage presence indication and interlock device, namely, voltage detector; ground wire management and interlock system, namely, ground wire management system host, ground wire cabinet and ground wire connectors; key supervisor management system, namely, an electronic device that manages the use of regular metal keys and master keys and automatically records usage history; power system clearance lockout devices, namely, valves and switches for substation; secondary device interlock device, namely, electronic lock for use for substation; SCADA system software; video monitoring system software; communication management unit, namely, a wireless embedded transmitter and receiver for data; power system relay protection device, namely, voltage surge protector; power system measure and control device used to detect status of substation equipment, namely, an electric sensor to monitor the state of a feeder breaker or disconnect switch; power equipment patrol system software; patrol system hand-held device and its adaptor, namely, RFID tags and readers; patrol point identification card, namely, RFID cards; security system software; electric security locks