| Acaray Dam | |
|---|---|
| Location | Ciudad del Este, Paraguay |
| Coordinates | |
| Owner(s) | Administracion Nacional de Electricidad |
| Dam and spillways | |
| Type of dam | Gravity dam |
| Height | 185 m (607 ft) |
| Length | 1,500 m (4,921 ft) |
| Impounds | Acaray River |
| Type of spillway | 56 m3/s (1,978 cu ft/s) |
| Power station | |
| Installed capacity | 210 MW |
The Acaray Dam is a hydroelectric dam situated in Ciudad del Este, Paraguay. It has an electrical output of 210 MW, supplying 3% of Paraguay's electricity demand.
The power plant's switchyard has a HVDC back-to-back station built by Siemens in 1981. It has a power rating of 55 MW and an operating voltage of 25 kV. It converts the electrical frequency from 50 hertz to 60 hertz to supply electricity to Brazil's power grid, which operates at 60 Hz (Paraguay's power grid operates at a frequency of 50 hertz).