What are the specific work contents of State Grid?

Power control center: responsible for the professional management of power control, dispatching plan, operation mode, hydropower and new energy, relay protection, dispatching automation, power communication, etc. within the jurisdiction; Participate in the formulation of secondary system planning.

Power supply company: responsible for the life power supply services of the party, government, government agencies, industrial and agricultural production, major merchants and residents, and responsible for the operation and maintenance of the power grid in the whole region.

Training center: a professional organization responsible for the training of employees of the company, which mainly carries out training and skill appraisal in power technology, business management, information technology and power qualification, and undertakes the maintenance of the company's long-distance training system and the organization of various competitions.

Electric power hospital: the medical center and health management center of power grid company.

Power transmission and transformation company: it is a diversified economic entity mainly engaged in the construction of high-voltage and ultra-high-voltage power transmission and transformation projects, integrating design, construction, installation, debugging, ultra-high-voltage operation and maintenance, processing and large-scale transportation.

Substation maintenance center: it is mainly responsible for the maintenance and overhaul of primary and secondary equipment in each substation, the calibration of relay protection and automatic devices, high voltage and instrument tests, oil service tests, etc. , and undertake the maintenance of low voltage and auxiliary equipment.

Dispatching Communication Center: mainly responsible for the company's production, maintenance and scheduling, the operation and maintenance of various communication lines and equipment, and the management of information network system.

DC Transportation Inspection Center: mainly responsible for the operation, maintenance and management of the company's converter stations.

As an efficient energy transmission channel and optimal allocation platform, State Grid is a key link in the sustainable development of energy and electricity, plays an important pivotal role in the modern energy supply system, and is related to national energy security.

Since 20 10, the scale of national power grid has nearly doubled, which has ensured the demand for energy and electricity for economic and social development. In 20 17, the electricity consumption of the whole society in the company's operating area was 5.0 trillion kwh, with a maximum power load of 830 million kilowatts and an installed capacity of1380,000 kilowatts. By the end of 20 17, the length of transmission lines at10 (66) kV and above was 987,000 kilometers, and the transformation capacity was 4.33 billion volt-amperes.

China State Grid Corporation-Basic Information