Zhangjiakou Power Plant is a wholly-owned power plant of Datang International Power Generation Co., Ltd. located in the southeast of Zhangjiakou City. 1988 plant, all completed and put into operation in September 2001, installed a total of eight domestic 300,000 kilowatts thermal power generating units, through 220 kV and 500 kV lines to Beijing power supply, is an important power supply support point for the capital Beijing and Beijing-Tianjin-Tang main network of important hub substations, enjoy It is an important power supply support point for Beijing and an important hub substation on the main network of Beijing-Tianjin-Tang, and enjoys the name of "the capital Beijing power supply base camp".