CERCOSA DAM |
|
| PURPOSE - Hydroelectric | |
| LOCATION | GENERAL FEATURES |
| District -
Viseu Municipality - Vouzela Site - Cercosa River Basin - Vouga River - Alfusqueiro river |
Promoting entity
- Soc. Expl.de Recursos Energéticos, Lda Owner (RSB) - Soc. Expl.de Rec. Energ., Lda Construction by - Teixeira Duarte S.A Year of completion - 1994 |
| HYDROLOGY | RESERVOIR |
| Return period - 500 years | Reservoir area -
20 x 1000m2 Gross capacity - 60 x 1000m3 Effective storage - 20 x 1000m3 Normal water level (NWL) - 371 m Maximum flood level (MFL) - 373,75 m Minimum operating level - 366,7 m |
| DAM | |
| Concrete - Gravity Height above foundation - 15,7 m Height above streambed - 13,7 m Crest elevation - 374,2 m Crest length - 72 m |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - In
the dam body Control type - Uncontrolled Sill elevation - 371 m Sill length - 25 m Maximum discharge - 250 m3/s Energy dissipation - Hydraulic jump |
Location - Thalweg Type - Through the dam Section - d 800 mm Maximum discharge - 5,15 m3/s Upstream control - Butterfly valve d 800 mm Downstream control - Butterfly valve d 800 mm Energy dissipation - Hydraulic jump |
| POWER PLANT | |
| Type - Circuito
hidráulico Number of installed units - 1 Type of units - Francis turbine Power installed capacity - 3,923 MW Mean annual energy output - 9,65 GWh |
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