Eng Sérgio Motta Dam
The Engineer Sérgio Motta Dam, formerly known as the Porto Primavera Dam, is an embankment dam on the Paraná River near Rosana in São Paulo, Brazil. It was constructed between 1980 and 1999 for hydroelectric power production, flood control and navigation. An estimated 11 million tropical trees were submerged. Technical The dam is named for Sergio Roberto Vieira da Motta, a prominent industrial engineer in São Paulo. At in length, it is the longest dam in Brazil. The tall dam creates a reservoir with a capacity and surface area of . The dam supports hydroelectric power plant on its southern end with an installed capacity of . The power plant contains 14 x Kaplan turbine generators. Although there are no plans to install them, the power plant has room to accommodate an additional four generators. The dam also supports a long and wide navigation lock on its southern end with the ability to transport 27 million tons a year. History Construction on the dam began in 1980 and the first filling of the reservoir to above sea level was complete by 1998. It was inaugurated in 1999 with the first three generators commissioned in March. In 2000, five more generators