The Salto Santiago Hydroelectric Power Plant 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 Santiago in Paraná, Brazil. It is the third dam upstream of the Iguazu Falls and was completed in 1979. The power station has a 1,420 MW capacity and is supplied with water by a 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

Tractebel Energia ENGIE Brasil formerly Tractebel Energia is a major Brazilian utility company, headquartered in Florianópolis, Santa Catarina. It is one of the largest private electricity producers in Brazil. Its 11 plants, six of them hydroelectric and the re ...

Salto Santiago Dam

The Salto Santiago Dam is high, long and is of rock-fill embankment type, comprising in concrete structure. The dam's spillways contains nine wide and wide radial gates and has a maximum capacity of . The reservoir formed behind the dam contains of total storage with a surface area of and a catchment area of . The average flow of the river through the dam is and the reservoir has a normal operating level of .

Power plant

The power plant at the southern end of the dam contains four hydroelectric generators powered by

Francis turbine The Francis turbine is a type of water turbine. It is an inward-flow reaction turbine that combines radial and axial flow concepts. Francis turbines are the most common water turbine in use today, and can achieve over 95% efficiency. The proces ...

s. Each turbine has a rated discharge of and is fed by a diameter steel penstock which provides a gross

hydraulic head Hydraulic head or piezometric head is a specific measurement of liquid pressure above a vertical datum., 410 pages. See pp. 43–44., 650 pages. See p. 22. It is usually measured as a liquid surface elevation, expressed in units of length, ...

of . The remaining two penstocks are intended for future generators with a plant expansion. The first generator was commissioned on December 31, 1980, with another in 1981, two in 1982 the last of which was commissioned on September 16, 1982.

References

{{Iguazu River dams Energy infrastructure completed in 1980 Energy infrastructure completed in 1981 Energy infrastructure completed in 1982 Hydroelectric power stations in Paraná (state) 1980 establishments in Brazil Dams in Paraná (state) Dams on the Iguazu River Dams completed in 1980 Rock-filled dams

Salto Santiago Dam

Power plant

See also

References