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Colíder Dam

Coordinates: 10°59′6.60″S 55°46′30.39″W / 10.9851667°S 55.7751083°W / -10.9851667; -55.7751083
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Colíder Dam
Colíder Dam is located in Brazil
Colíder Dam
Location of the Colíder Dam in Brazil
Official nameUsina Hidrelétrica Colíder
LocationColíder, Mato Grosso, Brazil
Coordinates10°59′6.60″S 55°46′30.39″W / 10.9851667°S 55.7751083°W / -10.9851667; -55.7751083
PurposePower
StatusOperational
Construction began15 May 2011
Opening date2019
Construction costUS$1 billion
Operator(s)Copel
Dam and spillways
Type of damEmbankment, concrete gravity composite
ImpoundsTeles Pires river
Height40 m (131 ft)
Length1,526 m (5,007 ft)
Dam volume4,961,000 m3 (175,196,062 cu ft) (concrete & earth)
Spillway typeOverflow, 1 controlled gates
Spillway capacity20,000 m3/s (706,293 cu ft/s)
Reservoir
Surface area182.8 km2 (71 sq mi)
Power Station
Operator(s)Companhia Paranaense de Energia - COPEL
Commission date21 December 2019
TypeRun-of-the-river
Hydraulic head15.10 m (50 ft)
Turbines3 x 102.3 MW bulb turbines
Installed capacity306.9 MW (max)
Website
http://www.copel.com/uhecolider/

The Colíder Dam is a rock-fill dam with an asphalt-concrete core, built from 2011 to 2019 on the Teles Pires river. It is located about 40 km (25 mi) southeast of Colíder in the state of Mato Grosso, Brazil. The dam's hydroelectric power stations have 3 turbines each 102.3 MW, resulting in a total installed capacity of 306.9 MW. Construction on the run-of-the-river type station was initiated in May 2011, and the last unit started operating in December 2019.[1][2]

The dam is part of a planned six power plant "Hidrovia Tapajos/Teles Pires" project to create a navigable waterway connecting the interior of Brazil to the Atlantic Ocean. The waterway will consist of five dams on the Teles Pires river: 53 megawatts (71,000 hp) Magessi Dam, 402 megawatts (539,000 hp) Sinop Dam, 300 megawatts (400,000 hp) Colíder Dam, 1,820 megawatts (2,440,000 hp) Teles Pires Dam, 736 megawatts (987,000 hp) Sao Manoel Dam) and the 230 megawatts (310,000 hp) Foz do Apiacas Dam on the Apiacas river.

The Colíder Dam, Sinop Dam and Teles Pires Dam are built,[3] while the smaller upstream dams are still in the planning stages by 2019.[4]

Design

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The Colíder Dam will be a combination embankment dam with concrete sections for the power stations and spillway. The length of the entire dam will be 1,560 m (5,118 ft). The dam will utilize 4.7 million cubic meters of earth and 260 thousand cubic meters of concrete, and will impound a reservoir with a surface area of 182.8 square kilometers. The power plant is being constructed by the Brazilian utility Companhia Paranaense de Energia (Copel).

Environmental Impacts

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To reduce emissions of methane, a powerful greenhouse gas, 82 square kilometers of vegetation were cleared before the reservoir was filled.[5]

See also

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References

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  1. ^ "Copel on track for 2015 Colíder hydro startup". BN Americas. 20 January 2014. Retrieved 31 December 2014.
  2. ^ "Usina Colíder opera com capacidade total". 23 December 2019.
  3. ^ "Brazil's Sinop Dam flouts environmental legislation (Commentary)". 1 March 2019. Archived from the original on 2 March 2019.
  4. ^ "Hidrovia Tajpos/Teles Pires" (PDF) (in Portuguese). Archived from the original (PDF) on 11 March 2013. Retrieved 24 August 2012.
  5. ^ "Equipes concentram esforços para limpeza do reservatório" (in Portuguese). Retrieved 30 December 2014.