The document profiles the 10 largest hydroelectric power plants in the world by installed capacity. The Three Gorges Dam in China is the largest with 22,500 MW capacity. The Itaipu Dam on the Brazil-Paraguay border has 14,000 MW capacity and is the second largest. The third largest is the Guri Dam in Venezuela with 10,200 MW capacity. The document provides brief details on the location, installed capacity, construction details and annual power output of each of the top 10 hydroelectric plants.