Three technicians are examining four units, photo from Xinhua, September 23.

A Tibetan local citizen visits the newly built Lhasa River Zhi Kong hydroelectric power station with his children, photo from Xinhua, September 23.

The Zhi Kong hydroelectric power station is located somewhere between the middle and lower reaches of Lhasa River, photo from Xinhua, September 23.

The outdoor view of Zhi Kong hydroelectric power station, which is located somewhere between the middle and lower reaches of Lhasa River, photo from Xinhua, September 23.

The dam of Zhi Kong hydroelectric power station, photo from Xinhua, September 23.

The key project of 10th "Five-year-plan", Lhasa River Zhi Kong hydroelectric power station was put into operation on September 23. With the investment of 1.37 billion yuan, this power station features 100,000 kwh installation capacity and 225 million cubic meters water content. It can generate 407 million kwh power annually, which will be an important part of Tibet's power supply.