Valeira Dam
Dam in municipality São João da Pesqueira, Viseu District / From Wikipedia, the free encyclopedia
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Valeira Dam (Portuguese: Barragem da Valeira) is a concrete gravity dam on the Douro, where the river forms the border line between the districts of Viseu and Bragança. It is located in the municipality São João da Pesqueira, in Viseu District, Portugal.
Quick Facts Official name, Country ...
Valeira Dam | |
---|---|
Official name | Barragem da Valeira |
Country | Portugal |
Location | municipality São João da Pesqueira, Viseu District |
Coordinates | 41°9′37.8″N 7°22′27.1″W |
Purpose | Power |
Status | Operational |
Construction began | 1971 |
Opening date | 1975 |
Owner(s) | Companhia Portuguesa de Produção de Electricidade |
Operator(s) | Energias de Portugal |
Dam and spillways | |
Type of dam | Concrete gravity dam |
Impounds | Douro |
Height (foundation) | 48 m (157 ft) |
Length | 380 m (1,250 ft) |
Elevation at crest | 113 m (371 ft) |
Width (crest) | 6 m (20 ft) |
Dam volume | 220,000 m3 (7,800,000 cu ft) |
Spillway type | Dam body |
Spillway capacity | 18,000 m3/s (640,000 cu ft/s) |
Reservoir | |
Total capacity | 97,000,000 m3 (79,000 acre⋅ft) |
Active capacity | 8,000,000 m3 (6,500 acre⋅ft) |
Surface area | 7.95 km2 (3.07 sq mi) |
Normal elevation | 105 m (344 ft) |
Operator(s) | Energias de Portugal |
Commission date | 1976 |
Hydraulic head | 31.5 m (103 ft) (max) |
Turbines | 3 x 82.4 MW Kaplan-type |
Installed capacity | 240 MW |
Annual generation | 610.7 GWh |
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Construction of the dam began in 1971. The dam was completed in 1975. It is owned by Companhia Portuguesa de Produção de Electricidade (CPPE).[1]