ALTO LINDOSO DAM | |
PURPOSE - Hydroelectric | |
LOCATION | GENERAL FEATURES |
District -
Viana do Castelo Municipality - Ponte da Barca Site - Lindoso River Basin - Lima River - Lima river |
Promoting entity
- CPPE, Cª Portuguesa de Produção de Electricidade, S.A Owner (RSB) - CPPE Engineering by - EDP; DOEPT Construction by - ENGIL Project year - 1983 Year of completion - 1992 |
HYDROLOGY | RESERVOIR |
River basin area
- 1525 km2 Mean annual rainfall - 1950 mm Mean annual runoff - 1329200 x 1000 m3 Flood runoff - 3500 m3/s Return period - 1000 years |
Reservoir area -
1050 x 1000m2 Gross capacity - 379010 x 1000m3 Effective storage - 347910 x 1000m3 Dead storage - 2100 x 1000m3 Normal water level (NWL) - 338 m Maximum flood level (MFL) - 339 m Minimum operating level - 280 m |
DAM | |
Concrete - Double
curvature arch dam Height above foundation - 110 m Crest elevation - 339 m Crest length - 297 m Foundation - Granite Volume of dam body - 308,5 x 1000 m3 |
|
SPILLWAY | BOTTOM OUTLET |
Location - Right
bank Control type - Controlled Spillway type - Shaft spillway Sill elevation - Sill length - 35,7 m Number of gates - 6 radial Maximum discharge - 2760 m3/s Energy dissipation - Flip bucket |
Location -
Thalweg Type - Through the dam Section - 2 x 2,7 m Maximum discharge - 400 m3/s Upstream control - Yes Downstream control - Yes Energy dissipation - Hollow jet |
POWER PLANT | |
Type - Underground Number of installed units - 2 Type of units - Francis Power installed capacity - 630 MW Mean annual energy output - 948 GWh |