Las Vacas Dam

The Las Vacas Dam (Spanish: Planta Hidroeléctrica Río Las Vacas) is a reinforced concrete gravity dam and power plant spanning the Las Vacas River near the village of San Antonio Las Flores in the municipality Chinautla, Guatemala.

Las Vacas Dam
Official namePlanta Hidroeléctrica Río Las Vacas (HRLV)
LocationChinautla (Guatemala)
Coordinates14°45′40″N 90°30′11″W
Construction began1998
Opening dateMay 2002
May 2003 - second fase
Operator(s)Hidroelectrica Rio Las Vacas, S.A
Dam and spillways
ImpoundsLas Vacas River
Height17 m
Length136 m
Reservoir
Total capacity258,969 m³

The hydroelectric power plant is designed as a peaking plant and the water stored in its 258,969 m³ reservoir is used to generate electricity during hours of peak demand. It has 5 Pelton turbines with a total installed capacity of 45 MWe which generate an average of 120 GWh of electricity per year.[1][2]

The plant includes facilities for collecting and recycling plastic waste material found in the reservoir.[3][4]

The Las Vacas project was built by a conglomerate of 4 private sector companies: Cementos Progreso, Fabrigas, Comegsa, and Iberdrola, which are partners in Hidroeléctrica Río Las Vacas, S.A.[1]

History

In January 2003, the operators of the dam were found to be responsible for a major industrial waste spill into the Las Vacas River, which subsequently also polluted the Motagua River, leading to the temporary closure of the hydroelectric power station.[5]

See also

References
  1. "Las Vacas River Hydroelectric Power Plant, HRLV -Guatemala" (PDF). Retrieved 2009-02-23.
  2. "Comments on Las Vacas Large Hydro Project (Guatemala)". Archived from the original on 2011-07-18. Retrieved 2009-02-23.
  3. "Nuestra contribution al ambiente". Retrieved 2009-02-28.
  4. Greenstream Network Oy y BUN-CA (2007). Guía Centroamericana de Financiamiento de Carbono (PDF) (2 ed.).
  5. "Verschmutzung des Motagua-Flusses" (PDF). Fijáte (in German). Verein ¡Fijáte!. 15 January 2003. Retrieved 11 May 2023.
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