The Ilha Solteira Dam is hydro-electric power plant in Brazil. The Ilha Solteira Dam is an embankment dam on the Parana River near Ilha Solteira in São Paulo, Brazil. It was constructed between 1967 and 1973 for hydroelectric power production, flood control and navigation.

The dam supports hydroelectric power plant with an installed capacity of 3,444 MW. The power plant contains 20 generators with Francis turbines that broken down into three ratings: 11 X 170 MW, 5 X 174 MW and 4 X 176 MW. In 2005, the power plant produced 17.9 billion kWh of electricity.

Ilha Solteira Dam
Coordinates 20°22′58″S 51°21′44″W / 20.38278°S 51.36222°W / -20.38278; -51.36222Coordinates: 20°22′58″S 51°21′44″W / 20.38278°S 51.36222°W / -20.38278; -51.36222
Impounds Parana River
Locale Ilha Solteira, São Paulo, Brazil
Type Embankment, concrete portion
Length 5.6 km (3.5 mi)
Height 76 m (249 ft)
Type of spillway Service, gate-controlled
Discharge capacity of spillway 40,000 m3/s (1,400,000 cu ft/s)
Construction began 1967
Opening date 1973
Dam owner(s) CESP
Reservoir information
Creates Ilha Solteira Reservoir
Capacity 21.2 km3 (5.1 cu mi)
Surface area 1,195 km2 (461 sq mi)
Power generation information
Turbines 20 x Francis turbines
Installed capacity 3,444 MW
Annual generation 17.9 billion kWh (2005)
Conventional Yes
Power plant commissioning date 1973-1978