The Três Irmãos Dam is an

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 ...

with gravity sections on the

Tietê River The Tietê River ( ) is a Brazilian river in the state of São Paulo. The first known use of the name Tietê was on a map published in 1748 by d’Anville. The name means "truthful river", or "truthful waters”, in Tupi. The Tietê River i ...

Pereira Barreto Pereira Barreto is a municipality in the state of São Paulo in Brazil. The population is 25,677 (2020 est.) in an area of 974 km². The elevation is 347 meters. History The municipality was created by state law in 1938. Demographics Me ...

São Paulo São Paulo (; ; Portuguese for 'Paul the Apostle, Saint Paul') is the capital of the São Paulo (state), state of São Paulo, as well as the List of cities in Brazil by population, most populous city in Brazil, the List of largest cities in the ...

state in Brazil. The dam is about upstream of the river's confluence with the

Paraná River The Paraná River ( ; ; ) is a river in south-central South America, running through Brazil, Paraguay, and Argentina for some ."Parana River". Encyclopædia Britannica. Encyclopædia Britannica Online. Encyclopædia Britannica Inc., 2012. Web. ...

. It supports the largest

hydroelectric Hydroelectricity, or hydroelectric power, is Electricity generation, electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other Renewable energ ...

power station on the river with an installed capacity of . The dam was completed in 1991 and the five

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 pro ...

-generators were commissioned between November 1993 and January 1999. It is owned and operated by Companhia Energética de São Paulo (CESP). The dam also provides for

navigation Navigation is a field of study that focuses on the process of monitoring and controlling the motion, movement of a craft or vehicle from one place to another.Bowditch, 2003:799. The field of navigation includes four general categories: land navig ...

with two ship locks.

References

External links

{{DEFAULTSORT:Tres Irmaos Dam Dams completed in 1991 Dams in São Paulo (state) Embankment dams Hydroelectric power stations in Brazil Locks of Brazil 1991 establishments in Brazil