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一、中型水电资源及开发现状根据1981年水力资源普查及其他成果统计,四川省已查勘规划有中型水电站(装机2.5万～25万kW)梯级的河流有65条,电站227座,可开发装机容量1490万kW,年发电量851亿kW·h。至1988年底止,四川省已建成投产的中型水电站计有狮子滩、下硐、大洪河、磨房沟二级、映秀湾、渔子溪一级、渔子溪二级、南桠河三级和草坡等九座,总装机容量75.55万kW,设计年发电量41.46亿kW·h。这九座电站,除南桠河三级和磨房沟二级分布在大渡河支流和雅砻江支流外,其余七座分布在盆地边缘的岷江上游和长江支流龙溪河、大洪河上。
I. Medium-sized Hydropower Resources and Status of Development Based on the 1981 survey of hydraulic resources and other achievements, Sichuan Province has surveyed 65 rivers of planned medium-sized hydropower stations (25,000 to 250,000 kW installed) and 227 power stations to develop installed capacity Capacity of 14.9 million kW, annual generating capacity of 85.1 billion kW · h. By the end of 1988, the medium-sized hydropower stations that have been completed and put into operation in Sichuan Province included Lizitan, Xiaodong, Dahonghe, Mogougou, Yingxiuwan, Yuzizi, Yuzizi, Nanxunhe III And grass slope nine, with a total installed capacity of 755,500 kW, designed annual generating capacity of 4.146 billion kW · h. The nine power stations, with the exception of the Nanduhe River and Mogou Ditch, are distributed on the tributaries of the Dadu River and the Yarlung River tributaries. The remaining seven are distributed on the upper reaches of the Minjiang River and the Longxi and Dahong Rivers, the tributaries of the Yangtze River.