main cities of gansu: dunhuang, jiayuguan, lanzhou, wuwei, xiahe, zhangye, tianshui, yumen, jinchang
the water resources in gansu are mainly distributed in nine river systems in the yellow, yangtze, and inland river drainage basins with an annual discharge of 61.4 billion cubic meters and a combined hydropower potential of 17.24 million kw. gansu places ninth among china’s provinces and autonomous regions in terms of hydropower potential. to date, 29 hydropower stations have been constructed in the province with an installed generating capacity of 30 million kw and an annual output of 23.565 billion kwh. the liujiaxia, yanguoxia, and bapanxia hydropower stations on the upper reaches of the yellow river and the bikou hydropower station on the bailong river have a total installed capacity of 212.5 kw. the proved reserves of coal are 8.92 billion tons, and those of petroleum, between 600 and 700 million tons. there is also a considerable potential for the development of wind and solar energies.