China News Service, Guangzhou, March 6 (Wang Hualanwang) On March 5, the reporter learned from China Southern Power Grid that the company has basically built a guaranteed minimum power grid covering 66 cities in five provinces and regions, in order to cope with urban electricity consumption in extreme climates. Carry out the greatest degree of "finding".
The power supply area of China Southern Power Grid covers the five provinces of Guangdong, Guangxi, Yunnan, Guizhou, and Hainan, mostly in areas with high incidence of natural disasters such as typhoons, rain, snow and freezing.
The company started from the construction of power grids, power supply guarantees, and emergency response. It lasted four years and basically built 66 cities with minimum-guaranteed power grids, which will guarantee to the greatest extent the power consumption of key urban core areas and people's livelihoods under extreme weather and other disaster conditions.
The person in charge of the Planning Department of China Southern Power Grid said that when severe natural disasters, external damage and other extreme conditions are encountered, the guaranteed power grid is the lifeline of the city.
At present, the five southern provinces and regions have 147 guaranteed power sources with a total installed capacity of 77.19 million kilowatts, covering diversified energy guarantees such as hydropower, coal power, gas power, and pumped storage.
As a result, a comprehensive defense protection system with four lines of defense has been constructed: "large power grid liaison support, guaranteed power hierarchical and partitioned self-balancing, user-provided emergency power supply, and emergency mobile power supply". The comprehensive disaster resistance capability of China Southern Power Grid has been significantly enhanced.
In December 2020, the southern region was hit by cold waves in turn. The ice-coated lines of the Southern Power Grid hit an extreme value in recent years. Under the condition of "double rise" in load and power consumption, the power grid is operating safely and stably.
The relevant person in charge of China Southern Power Grid said that important users and the scope of guarantee will be updated on a rolling basis, and the construction of a guaranteed minimum power grid will continue to be promoted to enhance the power grid security capability under extreme conditions.
(Finish)