The document discusses several large hydroelectric power plants around the world. It provides details on three major hydroelectric plants: 1) The Itaipu Dam on the Brazil/Paraguay border which has an annual production of over 90 billion kWh and is one of the largest hydroelectric plants in the world. 2) The Three Gorges Dam in China which is the largest hydroelectric dam ever built and has an installed capacity of over 22 GW. 3) The Grand Coulee Dam in the US which has an installed capacity of over 6.8 GW and is the largest power producing facility in the country.