RÉGUA DAM |
|
PURPOSE - Hydroelectric / Navigation | |
LOCATION | GENERAL FEATURES |
District -
Vila Real Municipality - Peso da Régua Site - Bagauste River Basin - Douro River - Douro river |
Promoting entity
- CPPE, Cª. Portuguesa de Produção de Electricidade, SA Owner - CPPE Engineering by - Hidro Eléctrica do Douro Construction by - ETELI Project year - 1965 Year of completion - 1973 |
HYDROLOGY | RESERVOIR |
River basin area
- 90 800 km2 Mean annual rainfall - 582 mm Mean annual runoff - 5 203 400 x 1 000 m3 Flood runoff - 21 500 m3/s Return period - 1 000 years |
Reservoir area
- 8 500 x 1 000m2 Gross capacity - 95 000 x 1 000m3 Normal water level (NWL) - 73,5 m |
DAM | |
Concrete - Gravity Height above foundation - 41 m Crest elevation - 81 m Crest length - 350 m Crest width - 6 m Foundation - Rock Volume of dam body - 108 x 1 000 m3 |
|
SPILLWAY | BOTTOM OUTLET |
Location - Dam
body Control type - Controlled Spillway type- Over the dam Sill elevation - 58,3 m Sill length - 130 m Number of gates - 5 radial gates Maximum discharge - 21 500 m3/s Energy dissipation - Hydraulic jump |
Location -
Thalweg Type - Through the dam Section - 29,22m2 Upstream control - Yes Downstream control - No |
POWER PLANT | |
Type - Contiguous
to the dam Number of installed units - 3 Type of units - Kaplan Power installed capacity- 156 MW Mean annual energy output - 738 GWh |