What does the power system (such as China Southern Power Grid) mainly do?

Power companies are divided into three levels: provincial company level, city (region) level and county level. The provincial company level is mainly responsible for management functions, and the city (region) level is mainly responsible for urban power supply, power engineering, maintenance, construction and power management. The county level is mainly responsible for the power supply, power engineering, maintenance, construction and power management of the county. According to the nature of the power company's work, the management categories are as follows: 1, finance 2, enterprise management, including human resources 3, production technology 4, safety management 5, power grid construction 6, logistics according to the technical nature: 1, substation operation: responsible for daily patrol, inspection, maintenance and switching operation of high-voltage substations 2, transmission operation: responsible for daily patrol and inspection of high-voltage transmission lines. Charge. 5. Metering management: responsible for the installation, debugging and calibration of electric meters. 6. Dispatching management: responsible for power grid dispatching, preparation and implementation of maintenance plan. 7. Communication management: responsible for the communication equipment of all units in the power grid, including telephone, switch and intranet management. 8. Maintenance: responsible for the maintenance, debugging and installation of high-voltage equipment in the power grid. 9. Rural power management: responsible for the supply, overhaul and maintenance of rural power facilities.