Engineer Souza Dias Dam

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Engineer Souza Dias Dam
Engineer Souza Dias Dam is located in Brazil
Engineer Souza Dias Dam
Location of Engineer Souza Dias Dam in Brazil
Official name Engineer Souza Dias Hydroelectric Power Plant
Location Três Lagoas, MS, Brazil
Coordinates 20°46′40″S 51°37′45″W / 20.77778°S 51.62917°W / -20.77778; -51.62917Coordinates: 20°46′40″S 51°37′45″W / 20.77778°S 51.62917°W / -20.77778; -51.62917
Opening date 1968
Owner(s) CESP
Dam and spillways
Type of dam Embankment, concrete portion
Impounds Paraná River
Height 53 m (174 ft)
Length 5,495 m (18,028 ft)
Spillway type Service, gate-controlled
Spillway capacity 44,696 m3/s (1,578,400 cu ft/s)
Creates Engineer Souza Dias Reservoir
Total capacity 3.353 km3 (2,718,000 acre·ft)
Catchment area 470,000 km2 (180,000 sq mi)
Surface area 330 km2 (130 sq mi)
Power station
Commission date 1969–1974
Type Conventional
Turbines 14 x Kaplan turbines
Installed capacity 1,551.2 MW (2,080,200 hp)

The Engineer Souza Dias Dam, formerly known as the Jupiá Dam is an embankment dam on the Paraná River near Três Lagoas in Mato Grosso do Sul, Brazil. It was constructed for hydroelectric power production, flood control and navigation. Studies on the dam and power plant began in 1951 which recommended the dam along with the Ilha Solteira Dam.[1] The dam was inaugurated in 1968 and its generators were commissioned between 1969 and 1974.[2]

Dam and reservoir[edit]

The Souza Dias Dam is a 53-metre (174 ft) high and 5,495-metre (18,028 ft) long combination concrete gravity and embankment dam.[3][4] The concrete power plant, navigation lock and spillway section of the dam measures 1,040 metres (3,410 ft) long while the earth-fill embankments flanking the concrete section measure 2,070 metres (6,790 ft) long on the right and 2,385 metres (7,825 ft) long on the left. The reservoir created by the dam has a 3.353 cubic kilometres (2,718,000 acre·ft) capacity of which 900,000,000 cubic metres (730,000 acre·ft) is active or "useful" storage. The reservoir has a catchment area of 470,000 square kilometres (180,000 sq mi) and surface area of 330 square kilometres (130 sq mi). The dam's spillway contains 37 floodgates, each with a 1,208 cubic metres per second (42,700 cu ft/s) discharge capacity for a total discharge of 44,696 cubic metres per second (1,578,400 cu ft/s). The average long-term flow at the dam is 6,350 cubic metres per second (224,000 cu ft/s) and the record maximum flow was 28,943 cubic metres per second (1,022,100 cu ft/s) which was reached on October 2, 1983.[4]

The dam's navigation lock is 210 metres (690 ft) long, 17 metres (56 ft) wide and affords transportation on the Paraná and Tietê Rivers.[5] It was inaugurated January 1998.[6]

Power station[edit]

The dam's power station contains 14 x 110.8 megawatts (148,600 hp) generators that are powered by Kaplan turbines for a total installed capacity of 1,551.2 megawatts (2,080,200 hp).[4] In addition, the power station contains two 5 megawatts (6,700 hp) service generators for powering the dam's facilities itself.[2] Together, dam's generators are designed to discharge 6,440 cubic metres per second (227,000 cu ft/s) of water, bringing the total discharge capability of the dam to 50,130 cubic metres per second (1,770,000 cu ft/s) at a reservoir elevation of 280.5 metres (920 ft) above sea level.[4]

See also[edit]


  1. ^ "From the pages of foreign journals". Springer. p. 565. Archived from the original on 26 August 2011. Retrieved 19 September 2010. 
  2. ^ a b "Hydroelectric Plants in Brazil - São Paulo". IndustCards. Retrieved 19 September 2010. 
  4. ^ a b c d "Home »Data Characteristic - UHE Jupiá". CESP. Retrieved 19 September 2010. 
  5. ^ "Summary Information of Sluice Jupiá - SP" (in Portuguese). Brazil Ministry of Transport. Archived from the original on 11 January 2010. Retrieved 19 September 2010. 
  6. ^ "Ahrana HISTORY HISTORY" (in Portuguese). Ahrana. Retrieved 19 September 2010.