alcoa.com

Alcoa in Brazil
Hydroelectrics 
Barra Grande
The environment
Community
Main features
Estreito
Machadinho
Serra do Facão

Location
Located on the Pelotas River between Anita Garibaldi (SC) and Pinhal da Serra (RS).
Municipality on the right bank: Anita Garibaldi (SC).
Municipality on the left bank: Pinhal da Serra (RS).
Start of construction work: July, 2001.
Conclusion: May, 2006.

Reservoir
Total area: 95 km2.

Dam
Type of structure / material: junction dam, faced with concrete.
Height: 185 m.
Length: 665 m.
Base: 500 m. across.
Top: 11 m. across.

Socio-environmental actions
Families resettled and compensated: 1516.
Those compensated: 954.
Those resettled: 562.

Spillway
Type: surface.
Height: 21 m.
Width: 15 m.
Number of sluice gates: 6
Max. probable outflow: 23,840 m3 per sec.

Intake system
Length: 24.3 m.
Height: 52.3 m.
Number of individuals intake channels: 3.

Energy
Power output of the plant: 708 MW.
Guaranteed power: 380 MW.
Turbines: 3.
First turbine started generating: November, 2005.
Second turbine started generating: February, 2006.
Third turbine started generating: May, 2006.
Power per unit: 236 MW.

Municipalities coming under the area of influence of the power plant:

In Santa Catarina: Anita Garibaldi, Cerro Negro, Campo Belo do Sul, Capão Alto and Lages;

In Rio Grande do Sul: Pinhal da Serra, Esmeralda, Vacaria and Bom Jesus.

Copyright © 2012 Alcoa Inc.
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