Xiaonanhai Dam total of 338 freshwater fish species have been identified on the Yangtze. 189 live in the area — currently a preservation — and many of those are found in no other river basin in China. An official study by the Yangtze River Commission in 2003 concluded that the Xiaonanhai dam could not be recommended due to its "unremarkable economic returns". According to "Chongqing Daily", project cost per-kilowatt is triple that compared with other projects along the Yangtze: with total investment estimated at ¥32 billion, the project will cost ¥16,000 per-kilowatt of capacity, whereas the Three Gorges dam, Xiluodu Dam and
Grand Inga Dam Grand Inga Dam The Grand Inga Dam is a proposed hydroelectric dam on the Congo River at Inga Falls in the Democratic Republic of the Congo. The proposed dam is the fourth and largest of the Inga dams, from Inga-I, from Inga-II, and from the proposed Inga-III. The dam has an expected generating capacity of , with 52 turbines each with a capacity of . This is close to twice the capacity of the Three Gorges Dam, which is currently known as the largest energy-generating body ever built. Inga Falls on the Congo River is a group of rapids (or