云南省水能资源极其丰富,理论储量10364万kW,占全国的15.3％,仅次于西藏和四川,居全国第三位。其中可开发的电站装机容量7117万kW,年发电量3940亿kW·h,均居全国第二位;相当于美国的56.2％,为日本三倍;如果按人均占有量计,云南仅次于西藏自治区,为全国第二。云南的水能资源主要集中在金沙江、澜沧江及怒江三大干流上;开发条件优越,适 Yunnan Province is extremely rich in hydropower resources with a theoretical reserve of 103.64 million kW, accounting for 15.3% of the national total, second only to Tibet and Sichuan, ranking the third in the country. Among them, the installed capacity of power plants is 71.17 million kW and the annual generating capacity is 394 billion kW · h, ranking the second in the country; equivalent to 56.2% in the United States and three times that in Japan; and Yunnan is second only to Japan in terms of per capita Tibet Autonomous Region, second in the country. Yunnan’s hydropower resources are mainly concentrated in the three main rivers of the Jinsha River, Lancang River and Nu River. The development conditions are favorable and suitable