CANIÇADA DAM |
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PURPOSE - Hydroelectric | |
LOCATION | GENERAL FEATURES |
District -
Braga Municipality - Terras do Bouro Site - Caniçada River Basin - Cávado River - Cávado river |
Promoting entity
- CPPE, Cª Portuguesa de Produção de Electricidade, SA Owner (RSB) - CPPE Engineering by - Hidro-Eléctrica do Cávado Construction by - SEOP Year of completion - 1955 |
HYDROLOGY | RESERVOIR |
River basin area
- 783 km2 Mean annual rainfall - 1900 mm |
Reservoir area -
6890 x 1000m2 Gross capacity - 170600 x 1000m3 Effective storage - 159300 x 1000m3 Normal water level (NWL) - 162 m |
DAM | |
Concrete - Arch
dam Height above foundation - 76 m Crest elevation - 163 m Crest length - 246 m Foundation - Granite Volume of dam body - 90 x 1000 m3 |
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SPILLWAY | BOTTOM OUTLET |
Location - Dam
body Control type - Controlled Spillway type - Over the dam Sill elevation - 157,5 m Sill length - 4 x 9= 36 m Number of gates - 4 Stoney Maximum discharge - 1700 m3/s Energy dissipation - Hydraulic jump |
Location - Thalweg Type - Through the dam Section - d 2,6m Maximum discharge - 142 m3/s Downstream control - Hollow jet valve Energy dissipation - Hollow jet |
POWER PLANT | |
Type - Underground Number of installed units - 2 Type of units - Francis Power installed capacity - 60 MW Mean annual energy output - 346 GWh |