The Governor Ney Braga de Barros Hydroelectric Plant, formerly known as Segredo, is a dam and

hydroelectric Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies one sixth of the world's electricity, almost 4500 TWh in 2020, which is more than all other renewable sources combined and ...

power plant on the

Iguazu River __NOTOC__ The Iguazu River ( pt, Rio Iguaçu, br , es, Río Iguazú} ), also called Rio Iguassu, is a river in Brazil and Argentina. It is an important tributary of the Paraná River. The Iguazu River is long, with a drainage basin of . Cou ...

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. The power station has a capacity and is supplied with water by a concrete face rock-fill

embankment dam An embankment dam is a large artificial dam. It is typically created by the placement and compaction of a complex semi-plastic mound of various compositions of soil or rock. It has a semi-pervious waterproof natural covering for its surface and ...

. 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 Environmental Impact assessment (EIA) is the assessment of the environmental consequences of a plan, policy, program, or actual projects prior to the decision to move forward with the proposed action. In this context, the term "environmental imp ...

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.

Ney Braga de Barros Dam

The Ney Braga de Barros Dam is high, long and is of concrete face, rock-fill design. Water from the Jordão River, 2 km southwest of the dam, is diverted through a long and diameter tunnel and into the Ney Braga de Barros Reservoir. The Jordão River is dammed upstream of its mouth with the Iguazu River with a

roller-compacted concrete Roller-compacted concrete (RCC) or rolled concrete (rollcrete) is a special blend of concrete that has essentially the same ingredients as conventional concrete but in different ratios, and increasingly with partial substitution of fly ash for Po ...

dam. The water from the diverted river increases the reservoir inflows by 10%. The power station contains 4 x generators.

External links

References

{{Iguazu River dams Energy infrastructure completed in 1992 Hydroelectric power stations in Paraná (state) Dams in Paraná (state) Dams on the Iguazu River Concrete-face rock-fill dams Dams completed in 1992

History

Ney Braga de Barros Dam

See also

External links

References