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Ney Braga Hydroelectric Plant
The Governor Ney Braga de Barros Hydroelectric Plant, formerly known as Segredo, is dam and hydroelectric power plant on the Iguazu River near Segredo in Paraná, Brazil. It is the fourth dam upstream of the Iguazu Falls and was constructed between 1987 and 1991 while being inaugurated in 1992.〔(【引用サイトリンク】url=http://www.scielo.br/img/revistas/bjb/v63n4/19182f1.gif )〕 The power station has a capacity and is supplied with water by a concrete face rock-fill embankment dam.
It is owned and operated by Copel who renamed it after Ney Braga de Barros, governor of Paraná between 1961–1965 and 1979–1982. It was the first hydroelectric project in Brazil's history to provide an Environmental Impact Assessment.〔(【引用サイトリンク】url=http://www.copel.com/hpcopel/english/nivel2.jsp?endereco=%2Fhpcopel%2Fenglish%2Fpagcopel2.nsf%2Fdocs%2F02B879C55BB3F0B7032574190050F379 )〕
==History==
Construction on the dam began in September 1987 with the diversion of the Iguazu River. The diversion tunnel was long and had a diameter of , it was completed in June 1988. Excavations for the dam's foundation began in September 1988 and was completed in December 1989. Construction was complete in 1992.〔(【引用サイトリンク】url=http://wikimapia.org/1008586/pt/Usina-Hidrel%C3%A9trica-Governador-Ney-Aminthas-de-Barros-Braga )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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