Weijun Energy Storage Power Station in Baotou City, North China’s Inner Mongolia Autonomous Region, recently reached a remarkable milestone — its 500-kilovolt collector substation was put into operation.
A panoramic view of the 500-kilovolt collector substation at the Weijun Energy Storage Power Station in Baotou. [Photo/sasac.gov.cn]
The substation, built by China Energy Engineering Group Co., Ltd., is China's highest-voltage energy storage collector substation. It is equipped with two 750-megavolt-amperes transformers, one 500-kV outgoing line and five 220-kV outgoing lines. It aggregates power from five 220-kV energy storage stations, with the total storage capacity reaching 1.5 GW/9 GWh.
Once operational, it can transmit up to 9 GWh of green electricity in a single dispatch cycle and regulate the transmission of approximately 2.7 billion kWh of electricity annually. It will help address renewable energy integration challenges in the northern Baotou region, significantly enhance the renewable energy absorption capacity of the West Inner Mongolia power grid and expand green electricity usage in the region.
(Executive editor: Zuo Shihan)
