Pracana Dam
From Wikipedia, the free encyclopedia
| Pracana Dam | |
|---|---|
 | |
  Pracana Dam Location of Pracana Dam in Portugal | |
| Official name | Barragem de Pracana |
| Country | Portugal |
| Location | municipality Mação, Santarém District |
| Coordinates | 39°33′53.8″N 7°48′43.8″W / 39.564944°N 7.812167°W |
| Purpose | Power |
| Status | Operational |
| Construction began | 1947 |
| Opening date | 1950 |
| Owner | Companhia Portuguesa de Produção de Electricidade |
| Operator | Energias de Portugal |
| Dam and spillways | |
| Type of dam | Concrete buttress dam |
| Impounds | Ocreza |
| Height (foundation) | 60 m (200 ft) |
| Length | 245.5 m (805 ft) |
| Elevation at crest | 115 m (377 ft) |
| Dam volume | 144,000 m3 (5,100,000 cu ft) |
| Spillway type | Shaft and chute spillway |
| Spillway capacity | 2,560 m3/s (90,000 cu ft/s) |
| Reservoir | |
| Total capacity | 111,900,000 m3 (90,700 acre⋅ft) |
| Active capacity | 69,000,000 m3 (56,000 acre⋅ft) |
| Surface area | 5.5 km2 (2.1 mi2) |
| Normal elevation | 114 m (374 ft) |
| Power Station | |
| Operator | Energias de Portugal |
| Commission date | 1951 |
| Hydraulic head | 57 m (187 ft) (max) |
| Turbines | 2 x 8 MW, 1 x 25 MW Francis-type |
| Installed capacity | 41 MW |
| Annual generation | 63.8 GWh |
Pracana Dam (Portuguese: Barragem de Pracana) is a concrete buttress dam on the Ocreza, a right (northern) tributary of the Tagus. It is located in the municipality Mação, in Santarém District, Portugal.
Construction of the dam began in 1947. The dam was completed in 1950. It is owned by Companhia Portuguesa de Produção de Electricidade (CPPE). The dam is used for power generation.[1]
Pracana Dam is a 60 m tall (height above foundation) and 245.5 m long buttress dam with a crest altitude of 115 m. The volume of the dam is 144,000 m3. There is one shaft spillway on the right side of the dam and a chute spillway on the left side. The combined maximum discharge is 2,560 m3/s. There is also a bottom outlet which can discharge up to 52 m3/s.[1]
