工(gong)程(cheng)概況:向(xiang)家壩水電(dian)(dian)站位于云南(nan)省(sheng)(sheng)昭通市(shi)水富市(shi)與四川(chuan)省(sheng)(sheng)宜賓市(shi)敘州區交(jiao)界(jie)的金沙江下游河段上,距水富城區僅(jin)1500米(mi)(mi)(mi),是金沙江水電(dian)(dian)基地最后一級(ji)水電(dian)(dian)站,電(dian)(dian)站攔河大壩為混(hun)凝(ning)土重力壩,壩頂高程(cheng)384米(mi)(mi)(mi),最大壩高162米(mi)(mi)(mi),壩頂長度909.26米(mi)(mi)(mi)。