Teles Pires Dam

The Teles Pires Dam is a run-of-the-river hydroelectric dam on the Teles Pires River, 330 km (205 mi) upstream of the confluence with the Tapajós river, on the border of the Brazilian states of Mato Grosso and Pará. The 80-metre (260 ft) dam impounds a 150-square-kilometre (58 sq mi) reservoir (55 square kilometres (21 sq mi) original riverbed and 95 square kilometres (37 sq mi) inundated area), 84% in Mato Grosso state (Paranaíta district) and 16% in Para state (Jacareacanga district).[2]

Teles Pires Dam
Location of the Teles Pires Dam in Brazil
Official nameUsina Hidrelétrica Teles Pires
LocationParanaíta, Mato Grosso and Pará, Brazil
Coordinates9°20′26″S 56°46′37″W
Construction beganJuly 2011
Opening dateSeptember 2016[1]
Construction costUS$1.62 billion (R$ 3.3 billion)
Owner(s)Agência Nacional de Energia Elétrica ANEEL
Operator(s)Agência Nacional de Energia Elétrica ANEEL
Dam and spillways
Type of damGravity, composite
ImpoundsTeles Pires
Height80 m (262 ft)
Length860 m (2,822 ft)
Spillway typeGate-controlled
Spillway capacity13,704 m3/s (483,952 cu ft/s)
Reservoir
Total capacity0.99722 km3 (997,220,000 m3)
Surface area151 km2 (58 sq mi)
Maximum water depth6.6 m (22 ft) (average)
Normal elevation220 m (722 ft)
Power Station
Operator(s)ANEEL
Hydraulic head54.57 m (179 ft)
Turbines5 x 364 MW (488,000 hp) vertical Francis turbines
Installed capacity1,820 MW (2,440,000 hp)
Website
www.neoenergia.com/section/noticias_interna_en.asp?news=10054
River flow 2261 m3/s average

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 six dams on the Teles Pires river—the 53-megawatt (71,000 hp) Magessi Dam, 430-megawatt (580,000 hp) Sinop Dam, 342-megawatt (459,000 hp) Colider Dam, 1,820-megawatt (2,440,000 hp) Teles Pires Dam, and 746-megawatt (1,000,000 hp) Sao Manoel Dam—and the 230-megawatt (310,000 hp) Foz do Apiacas Dam on the Apiacas river. Smaller upstream dams are still in the planning stages.[3]

Design

The Teles Pires Dam is a gravity dam constructed of composite materials layered on a roller-compacted concrete core, located on the Teles Pires river 330 kilometres (210 mi) upstream of the confluence with the Tapajos river, on the border between the Brazilian states of Mato Grosso and Para.[4]

Impacts

Brazilian law requires water impoundments to undergo an approval process to ensure that each project meets environmental, social, political, and safety criteria.

Social

The most frequent objection is that the dam builders failed to adequately consult with indigenous peoples, as required by law. The Brazilian government indigenous protection foundation FUNAI predicts that there may be un-contacted indigenous populations in the region that will be affected by the dam.[5] On March 30, 2012, a judge suspended construction of the Teles Pires Dam to preserve a waterfall that is considered sacred by an indigenous tribe.[6]

Environmental

The Teles Pires Dam does not impound a large reservoir because it is a run-of-the-river project. The dam also feature significant environmental remediation efforts. As a consequence, there has not been strong environmental opposition to the implementation of the Teles Pires Dam.[7] On 17 March 2015 an agreement was made to compensate the public for the irreversible negative environmental impacts of the project through payment of R$500,000 for use by the Sucunduri State Park.[8]

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See also

References
  1. Iberdola: Iberdola commissions Teles Pires hydroelectric power plant in Brazil
  2. "Hidreletrica Teles Pires Mato Grosso – Brasil" (in Portuguese). Neoenergia. Archived from the original on 30 May 2014. Retrieved 24 August 2012.
  3. "Hidrovia Tajpos/Teles Pires" (PDF) (in Portuguese). Archived from the original (PDF) on 11 March 2013. Retrieved 24 August 2012.
  4. "Hidreletrica Teles Pires Mato Grosso – Brasil" (in Portuguese). Neoenergia. Archived from the original on 30 May 2014. Retrieved 24 August 2012.
  5. "UHE Teles Pires: Projecto Basico Ambiental (IBAMA)" (PDF) (in Portuguese). IBAMA. Retrieved 24 August 2012.
  6. "Judge Suspends Dam in the Amazon". International Rivers. Retrieved 24 August 2012.
  7. "Environmental Impact Statement (RIMA): Hidreletrica Teles Pires" (PDF) (in Portuguese). Neoenergia. Retrieved 24 August 2012.
  8. "Historico Juridico", PES do Sucunduri (in Portuguese), ISA: Instituto Socioambiental, retrieved 2016-07-10
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