Vilar Dam
From Wikipedia, the free encyclopedia
| Great Vilar Dam | |
|---|---|
| Official name | Barragem de Vilar |
| Country | Portugal |
| Location | municipality Tabuaço, Viseu District |
| Coordinates | 40°59′12.5″N 7°32′7.9″W / 40.986806°N 7.535528°W |
| Purpose | Power |
| Status | Operational |
| Construction began | 1958 |
| Opening date | 1965 |
| Owner | Companhia Portuguesa de Produção de Electricidade |
| Operator | Energias de Portugal |
| Dam and spillways | |
| Type of dam | Rockfill embankment dam |
| Impounds | Távora |
| Height (foundation) | 58 m (190 ft) |
| Height (thalweg) | 55 m (180 ft) |
| Length | 240 m (790 ft) |
| Elevation at crest | 555 m (1,821 ft) |
| Width (crest) | 5.2 m (17 ft) |
| Dam volume | 300,000 m3 (11,000,000 cu ft) |
| Spillway type | Chute spillway |
| Spillway capacity | 500 m3/s (18,000 cu ft/s) |
| Reservoir | |
| Total capacity | 99,750,000 m3 (80,870 acre⋅ft) |
| Active capacity | 95,270,000 m3 (77,240 acre⋅ft) |
| Surface area | 6.7 km2 (2.6 mi2) |
| Normal elevation | 552 m (1,811 ft) |
| Power Station | |
| Operator | Energias de Portugal |
| Commission date | 1965 |
| Hydraulic head | 461 m (1,512 ft) (max) |
| Turbines | 2 x 32.65 MW Pelton-type |
| Installed capacity | 58 MW |
| Annual generation | 137.6 GWh |
Vilar Dam (Portuguese: Barragem de Vilar, also known as Barragem de Vilar-Tabuaço) is an embankment dam on the Távora, a left (southern) tributary of the Douro. It is located in the municipality Tabuaço, in Viseu District, Portugal.
Construction of the dam began in 1958 and was completed in 1965. It is owned by Companhia Portuguesa de Produção de Electricidade (CPPE) and is used for power generation.[1]
Vilar Dam is a 58 m tall (height above foundation) and 240 m long rockfill embankment dam with a crest altitude of 555 m. The upstream facing of the dam is made of concrete. The volume of the dam is 300,000 m³. The chute spillway with 2 radial gates is located at the right side of the dam. The maximum discharge is 500 m³/s. There is also a bottom outlet.[1]