The world's largest generator of renewable clean energy

Itaipu in numbers
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Reservoir
Water volume at the usual maximum level: 29 billion m³
Extension: 170 km
Usual maximum level (quota): 220 m
Area in the usual maximum level: 1.350 km²

Spillway
Maximum outflow: 62.2 thousand m³/s
Maximum release capability: 162.200 m³/s
Length: 483 m
Gates: 14 units
Gate size: 21 m/high and 20 m/wide

Dam
Height: 196 m
Total length: 7,919 m

River Basin
Area: 820.000 km²
Average annual rainfall: 1,650 mm
Average affluent outflow: 11,663 m³/s

Generating units
Power: 700 MW
Voltage: 18 kV
Frequency: 50 to 60 Hz
Drop: 118.4 m
Rated outflow: 690 m³/s
Weight: 6,600 t

Power House
Length: 968 m
Width: 99 m
Maximum height: 112 m

Penstocks

Quantity: 20
Length: 142 m
Inside diameter: 10.5 m
Rated release: 690 m³/s

Turbines
Outflow: 700 m³ of water/s

Excavations
Volume of soil excavated: 23.6 million m³

Materials
Volume of concrete used: 12.7 million m³