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Jigüey Dam
Jigüey Dam
	Presa de Jiguey, Dominican Republic
	Location of Jigüey Dam in the Dominican Republic
Official name	Presa de Jigüey
Country	Dominican Republic
Location	San José de Ocoa Province
Coordinates	18°32′47.65″N 70°22′38.39″W / 18.5465694°N 70.3773306°W
Purpose	Power
Status	Operational
Opening date	1992; 32 years ago
Construction cost	US$500 million
Owner(s)	Dominican Hydroelectric Generation Company
Dam and spillways
Type of dam	Arch-gravity
Impounds	Nizao River
Height	110.5 m (363 ft)
Spillway type	Crest, uncontrolled overflow
Spillway capacity	11,910 m3/s (421,000 cu ft/s)
Reservoir
Total capacity	167,970,000 m3 (136,180 acre⋅ft)
Active capacity	130,950,000 m3 (106,160 acre⋅ft)
Inactive capacity	37,020,000 m3 (30,010 acre⋅ft)
Catchment area	887 km2 (342 sq mi)
Normal elevation	541.5 m (1,777 ft)
Jigüey Hydroelectric Station
Coordinates	18°30′35.40″N 70°19′51.21″W / 18.5098333°N 70.3308917°W
Commission date	1992
Turbines	2 x 49 MW Francis-type
Installed capacity	98 MW

The Jigüey Dam is an arch-gravity dam on the Nizao River about 32 km (20 mi) west of San Cristóbal in San José de Ocoa Province of the Dominican Republic. At 110.5 m (363 ft) tall, it is the third highest dam in the country. The purpose of the dam is to produce hydroelectric power and it supplies the largest hydroelectric power station in the country.

The dam diverts water through over 4.4 km (2.7 mi) of headrace pipe and penstock to the power station downstream. The power station contains two 49 MW Francis turbine-generators for an installed capacity of 98 MW. The dam was completed and its power station was commissioned 1992. It cost US$500 million to build and funding was provided by the host government.^[1]^[2]^[3]

References

^ "Presa Jiguey" (in Spanish). Arqhys Architecture. 4 December 2012. Retrieved 24 April 2014.
^ "Reference List" (PDF). Ansaldoksa. Archived from the original (PDF) on 24 April 2014. Retrieved 24 April 2014.
^ "Data Plant: Jiguey" (in Spanish). Dominican Hydroelectric Generation Company. Retrieved 24 April 2014.