Tucuruí reservoir
| Tucuruí reservoir | |||||
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| Coordinates | 3 ° 51 ′ 0 ″ S , 49 ° 41 ′ 0 ″ W | ||||
| Data on the structure | |||||
| Construction time: | 1975-1984 | ||||
| Height above foundation level : | 106 m | ||||
| Height of the structure crown: | 78 | ||||
| Building volume: | 85.2 million m³ | ||||
| Power plant output: | 8370 MW | ||||
| Data on the reservoir | |||||
| Water surface | 2,875 km² | ||||
| Storage space | 45,800 million m³ | ||||
The 2,875 km² Tucuruí reservoir (Reprêsa Tucuruí) is located in the Brazilian state of Pará .
Its main tributary is the Rio Tocantins near Marabá , whose confluence lies on the southern bank of the reservoir ; its outlet and the dam are in the north near Tucuruí . The dam , built in 1984, is 106 m high and has a structural volume of 85.2 million cubic meters. Other data indicate a volume of only 43 or 55 million m³.
Near Tucuruí, Brazil’s second largest hydropower plant with a capacity of 8,370 MW was built on the Rio Tocantins. The dam was built as a gravity dam . In the first stage, a nacelle with 12 generators (350 MW each) and 2 auxiliary generators with 22.5 MW were installed by the end of 1992. From June 1998, in a second phase until April 2007, another nacelle with an additional 11 generators (375 MW each) was built.
It delivers around 21,000 GWh of electricity annually and supplies large parts of the states of Pará and Maranhão . The aluminum industry in these two states consumes a large part of the electricity produced here .
The area was not cleared before the Tucuruí reservoir , which has a maximum storage volume of 45.8 billion m³ , was flooded . As a result, the existing biomass decomposes under water, causing methane gas to escape.
See also
- List of the largest reservoirs on earth
- List of dams in the world
- List of the largest hydroelectric plants in the world
