The Itupararanga Dam is a Brazilian dam, located in the Sorocaba region of São Paulo state. It was built by Light S.A. in 1911. The plant started its operation on 25 March 1914. It forms a lake with more than 40 km and an area of 936 square kilometers with the main channel of 26 km and 192 km from shore.[] The estimated volume is 286 million m³. The plant, with an installed capacity of 55 MW and average annual production of 150 GWh, is used only by the industrial Votorantim Group, as Votorantim Cement Factory in St. Helena and the Companhia Brasileira de Alumínio - CBA, in Alumínio.
The dam is 415 m in length and has a height of 38 m. It was built over the Sorocaba River canyon in the São Francisco Ridge. The water reservoir supplies Ibiúna 100%, Sorocaba 74%, Votorantim 92% and São Roque 32% and other neighboring cities. It is used to irrigate hundreds of farms in the vicinity. It is a leading tourist attraction in the region.
