Peñitas Dam

The Peñitas Dam, also known as Ángel Albino Corzo, is a dam with a hydro-electric power station on the river Rio Grijalva, 83 km south west of the city of Villahermosa, lying in the municipality of Ostuacán in the state of Chiapas in southern Mexico. The power station has an installed production effect of 420 MW from four turbines, and an annual production of 2.035 TWh.

Peñitas Dam
Location of Peñitas Dam in Mexico
Coordinates17°26′46″N 93°27′30″W
Construction began1979
Opening date1986
Reservoir
CreatesPeñitas Reservoir
Total capacity396,000,000 m3 (321,042 acre⋅ft)
Power Station
Commission date1987
Turbines4 x 105 MW
Installed capacity420 MW
Annual generation2.035 TWh

History

Construction on the dam began in 1979 and the river was diverted in October 1983. In June 1986, the dam structure was complete along with the right spillway and by July of that year, the dam began to impound its reservoir. By August, the spillway was tested; the left spillway would not be completed until July 1987. The dam's first generator was commissioned in January 1987 and the last on 15 September of the same year.[1] Floods in 1999 and 2007 tested the limited flood protection of the dam as the Tabasco Flatlands were flooded and over one million residents effected. The Government of Mexico has initiated a project to expand the flood capacity of the dam which was still in planning stages in 2008.[2][3] Floods in November 2020 killed twenty and left 184,000 homeless in Tabasco, Chiapas, Veracruz, and Quintana Roo.[4]

In the Rio Griljava-Mexcalapa watercourse are installed a hydro-electric power capacity of 4,750 MW with an annual capacity of almost 15 TWh. The power stations are:

  • La Angostura Dam Belisario Domínguez - 900 MW, 2.03 TWh
  • Chicoasén Dam Manuel Moreno Torres - 2 350 MW, 6.0 TWh
  • Malpaso Dam Netzahualcóyotl - 1 080 MW, 3.0 TWh
  • Peñitas Dam Angel Albino Corzo - 420 MW, 1.45 TWh

References
  1. "Chiapas presas" (in Spanish). Historical Water Archive. Archived from the original on 2011-08-17. Retrieved 30 January 2011.
  2. A.I. Ramírez, J. Aparicio, P.F. Martínez-Austria, A. Güitrón (2009). "Floods in Tabasco, Mexico: a diagnosis and proposal for courses of action". Blackwell Publishing Ltd. doi:10.1111/j.1753-318X.2009.01026.x. Cite journal requires |journal= (help)
  3. Dasso, Renzo (January 11, 2008). "Peñitas dam floodgates project still in development". Business News Americas: Water and Waste. Retrieved 30 January 2011.
  4. "Lluvia, inundaciones y desesperanza: Eta y frentes fríos dejan más de 184,000 damnificados en México". Infobae (in Spanish). Infobae. AFE & EFE. Retrieved November 12, 2020.
  • CFE - List of national power stations.
  • CFE - "POISE 2008-2017" - pages 2–5.
  • Ciepac - Boletin 303, 21 August 2002 - "Los Megaproyectos Hidroeléctricos del PPP", part 2.
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