Alcántara Dam

The Alcántara Dam, also known as the José María de Oriol Dam, is a buttress dam on the Tagus River near Alcántara in the province of Cáceres, Spain. It is named after the politician and captain of the Spanish electricity industry José María de Oriol y Urquijo. The dam regulates much of the flow of the Tagus River, the longest of the Iberian Peninsula. It was built in 1969 and is the second largest reservoir in Europe.

Alcántara Dam
Location of Alcántara Dam in Spain
LocationAlcántara, province of Cáceres, Extremadura, Spain
Coordinates39°43′48″N 6°53′05″W
StatusOperational
Opening date1969
Dam and spillways
Type of damButtress
Height130 m (427 ft)
Length570 m (1,870 ft)
Dam volume956,000 m3 (1,250,401 cu yd)
Spillways2
Spillway capacity8,000 m3/s (282,517 cu ft/s)
Reservoir
Total capacity3,160,000,000 m3 (2,561,854 acre⋅ft)
Catchment area51,916 km2 (20,045 sq mi)
Power Station
Commission date1969-1970
Turbines4 x 229 MW Francis-type
Installed capacity915 MW

The Roman Alcántara Bridge is located 600 m downstream from the dam.

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