Location of Infiernillo Dam in Mexico
|Official name||Presa Adolfo López Mateos|
|Location||La Unión, Guerrero|
|Owner(s)||Comisión Federal de Electricidad|
|Dam and spillways|
|Height||149 m (489 ft)|
|Length||344 m (1,129 ft)|
|Width (base)||570 m (1,870 ft)|
|Dam volume||5,500,000 m3 (194,230,667 cu ft)|
|Total capacity||12,000,000,000 m3 (9,728,558 acre⋅ft)|
|Installed capacity||1,120 MW|
The Infiernillo Dam ("Little hell"), also known as Adolfo López Mateos Dam, is an embankment dam on the Balsas River near La Unión, Guerrero, Mexico. The dam supports a hydroelectric power station containing six turbine-generators for a total installed capacity of 1,120 MW. The dam is 149 m (489 ft) high, 344 m (1,129 ft) long and is owned by Comisión Federal de Electricidad. Its first generator was operational on January 25, 1965.
Placement of the dam embankment began in August 1962, and on December 7, 1963, the dam was topped off. The diversion tunnels were closed and the reservoir began to fill on June 15, 1964.
- "Hydroelectric" (in Spanish). CFE. Archived from the original on 26 January 2011. Retrieved 28 January 2011.
- "Monografía: Descripción de la represa hidroeléctrica "EL INFIERNILLO" (PDF) (in Spanish). CONSTRUCCIONES HIDRÁULICA. 2001. Retrieved 28 January 2011.
- Marr, sponsored by The Geo-Institute of the American Society of Civil Engineers ; edited by W. Allen (2002). A history of progress : selected U.S. papers in geotechnical engineering. Reston, Virginia: American Society of Civil Engineers. p. 1524. ISBN 0-7844-0656-1.