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Ribarroja Dam
Concrete gravity dam / From Wikipedia, the free encyclopedia
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Ribarroja Dam (Spanish: Presa de Ribarroja, Riba-roja) is a concrete gravity dam located in the province of Tarragona, Spain, that impounds the Ebro. About 35 km upstream of Ribarroja dam is Mequinenza dam. About 15 km downstream is Flix dam.
Quick Facts Official name, Location ...
Ribarroja Dam | |
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Official name | Presa de Ribarroja |
Location | Province of Tarragona, Spain |
Coordinates | 41.243748°N 0.432758°E / 41.243748; 0.432758 |
Purpose | Power |
Status | Operational |
Opening date | 1969 |
Owner(s) | Endesa |
Operator(s) | Endesa |
Dam and spillways | |
Type of dam | Concrete gravity dam |
Impounds | Ebro |
Height (foundation) | 60 m (200 ft) |
Length | 362.4 m (1,189 ft) |
Elevation at crest | 76 m (249 ft) |
Dam volume | 800,000 m3 (28,000,000 cu ft) |
Spillway type | Over the dam |
Spillway capacity | 11,670 m3/s (9.46 acre⋅ft/s) |
Reservoir | |
Total capacity | 210,000,000 m3 (170,000 acre⋅ft) |
Surface area | 21.52 km2 (8.31 sq mi) |
Maximum length | 50 km (31 mi) |
Maximum water depth | 34 m (112 ft) |
Normal elevation | 70 m (230 ft) |
Commission date | 1969 |
Hydraulic head | 34 max (20 min) |
Turbines | 4 Kaplan-type |
Installed capacity | 262.8 MW |
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Empresa Nacional Hidroeléctrica del Ribagorzana S.A. (ENHER) was mandated in 1955[1] by Instituto Nacional de Industria (INI) to build two dams on the Ebro near Mequinenza and Riba-roja. Mequinenza dam was built between 1957 and 1964. Work on Ribarroja dam began during the construction of Mequinenza dam.[2] Ribarroja dam was completed in 1969.[2][3][4] ENHER was acquired by Endesa in 1999.[5]