The Angostura Dam (officially known as the Belisario Domínguez Dam) is an embankment dam and hydroelectric power station on the Grijalva River near Venustiano Carranza in Chiapas, Mexico. The dam's power plant contains 5 x 180 MW, 3 x 310 MW Francis turbine-generators.^[3] The 146 m (479 ft) tall dam withholds one of the largest reservoirs in Mexico of 18,200,000,000 m³ (14,754,980 acre⋅ft).^[4][5] Initial construction on the dam began in 1969 and foundation work in 1971. On May 8, 1974, the dam began to impound its reservoir.^[6] On 14 July 1976, the dam's first generator went online.^[7]

Quick Facts Official name, Country ...

Angostura Dam
Location of Angostura Dam in Mexico
Official name	Presa Belisario Domínguez
Country	Mexico
Location	Venustiano Carranza, Chiapas
Coordinates	16°24′06″N 92°46′43″W
Status	In use
Construction began	1969
Opening date	1976
Owner(s)	Comisión Federal de Electricidad
Dam and spillways
Impounds	Grijalva River
Height	146 m (479 ft)
Reservoir
Creates	Angostura Reservoir
Total capacity	18,200,000,000 m3 (14,754,980 acre⋅ft)
Active capacity	13,169,000,000 m3 (10,676,282 acre⋅ft)[1]
Surface area	760 km2 (293 sq mi)[2]
Power Station
Commission date	1976-1978
Turbines	5 x 180 MW Francis turbines
Installed capacity	900 MW

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