| São Simão Dam | |
| Name Official: | Usina de São Simão |
| Dam Crosses: | Paranaíba River |
| Location: | São Simão, Goiás/Minas Gerais, Brazil |
| Dam Type: | Embankment, concrete portion |
| Dam Length: | 3600m (11,800feet) |
| Dam Height: | 127m (417feet) |
| Spillway Type: | Service, gate-controlled |
| Opening: | 1978 |
| Owner: | CEMIG |
| Res Name: | São Simão Reservoir |
| Res Capacity Total: | 12.5km3 |
| Res Surface: | 703km2 |
| Plant Type: | C |
| Plant Turbines: | 6 x Francis turbines |
| Plant Capacity: | 1710MW |
| Plant Annual Gen: | 12.5e6MWh (2008) |
| Plant Commission: | 1978-1979 |
| Location Map: | Brazil |
| Coordinates: | -19.0192°N -50.5003°W |
The São Simão Dam is an embankment dam on the Paranaíba River near São Simão in Goiás/Minas Gerais, Brazil. It was constructed for hydroelectric power production and flood control. The dam was completed in 1978 and all generators were operational by 1979. In 1977, the first use of roller compacted concrete in Brazilian dam construction occurred on the São Simão.[1]
The dam is long and high embankment dam with concrete spillway and power plant sections.
The dam's reservoir has a surface area of and a capacity of 12.5km3 of which 5.54km3 is live.
The dam's power station contains six generators powered by Francis turbines for a total installed capacity of .[2] [3] There is additional room for four more generators in the power stations but there are no plans to have them installed currently.[4]