PICOTE DAM |
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| PURPOSE - Hydroelectric | |
| LOCATION | GENERAL FEATURES |
| District -
Bragança Municipality - Miranda do Douro Site - Barrocal do Douro River Basin - Douro River - Douro river |
Promoting entity
- CPPE, Cª. P. de Prod. de Electricidade, SA Owner - CPPE Engineering by - Hidro Eléctrica do Douro/Hidro Eléctrica do Zêzere Construction by - ETELI/OPCA Project year - 1953 Year of completion - 1958 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 63 750 km2 Mean annual rainfall - 582 mm Mean annual runoff - 3 393 300 x 1 000 m3 Flood runoff - 11 000 m3/s Return period - 1 000 years |
Reservoir area -
2 440 x 1 000m2 Gross capacity - 63 000 x 1 000m3 Effective storage - 13 430 x 1 000m3 Dead storage - Normal water level (NWL) - 471 m Maximum flood level (MFL) - 478 m |
| DAM | |
| Concrete - Arch
dam Height above foundation - 100 m Crest elevation - 480 m Crest length - 139 m Crest width - 3,45 m Foundation - Granite Volume of dam body - 205 x 1 000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - Dam
body Control type - Controlled Spillway type - Over the dam Sill elevation - 462,85 m Sill length - 80 m Number of gates - 4 radial gates Maximum discharge - 11 000 m3/s Energy dissipation - Stilling basin |
Location -
Right bank Type - Em túnel blindado Section - d:5,50m=23,76m2 Maximum discharge - 600 m3/s Upstream control - No Downstream control - Yes Energy dissipation - Flip bucket |
| POWER PLANT | |
| Type - Underground,
run-of-river Number of installed units - 3 Type of units - Francis Power installed capacity - 180 MW Mean annual energy output - 1038 GWh |
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