Luiz Barreto Dam

The Luiz Carlos Barreto de Carvalho Dam, formerly known as Estreito, is an embankment dam on the Grande River near Fronteira in São Paulo, Brazil. The dam serves an associated hydroelectric power plant with a installed capacity.
Background.
Owned and maintained by Eletrobrás Furnas, they completed studies for the dam in 1962. Construction began in 1963 and was complete in March 1969 when the first generator went online. The dam and power plant were also inaugurated that year. Because of the Furnas Dam upstream, the water level in the reservoir is operated at similar levels year round. Furnas is currently planning to renovate and modernize the dam and power plant.
Specifications.
The Luiz Barreto Dam is a long and high earth-fill embankment dam. The total structural volume of materials for the dam is . The dam's spillway contains six floodgates that are wide and high each. In total, the spillway has a discharge capacity.
Reservoir.
The reservoir created by the dam has a surface area of and capacity of with on 10% of the capacity () serving as live (active or "useful") storage. The normal reservoir level is above sea level and the maximum is .
Luiz Barreto Hydroelectric Power Plant.
Luiz Barreto Hydroelectric Power Plant power house is wide and long and contains six generators that are powered by Francis turbines.