El Cajón Dam (Mexico)
| El Cajón Dam | |
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View of upstream side of dam; concrete-face on left, spillway on right
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 Location of El Cajón Dam in Mexico
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| Location | Nayarit, Mexico |
| Coordinates | 21°25′41″N 104°27′07″W / 21.42806°N 104.45194°WCoordinates: 21°25′41″N 104°27′07″W / 21.42806°N 104.45194°W |
| Purpose | Power |
| Construction began | 2003 |
| Opening date | June 2007 |
| Construction cost | US$800 million |
| Dam and spillways | |
| Type of dam |
Concrete-face rock-fill |
| Impounds | Río Grande de Santiago |
| Height | 178 m (584 ft) |
| Length | 640 m (2,100 ft) |
| Spillway type | Gate-controlled chute |
| Spillway capacity | 14,864 m3/s (524,917 cu ft/s) |
| Reservoir | |
| Creates | El Cajón Reservoir |
| Total capacity | 5,000,000,000 m3 (4,100,000 acre·ft) |
| Power station | |
| Operator(s) | CFE |
| Commission date | 2007 |
| Type | Conventional |
| Turbines | 2 x 375 MW Francis-type |
| Installed capacity | 750 MW |
| Annual generation | 1,228 GWh |
Concrete-face
The El Cajón Dam is a hydroelectric dam on the Río Grande de Santiago in the Mexican state of Nayarit. Construction began in 2003 and was completed in June 2007. It cost US$800 million to build. It is 640 m (2,100 ft) long and is 178 m (584 ft) high. The reservoir holds approximately 5,000,000,000 m3 (1.8×1011 cu ft) of water, and the generators are capable of producing 750 MW of electricity. The dam is operated by the Comisión Federal de Electricidad, a state-owned Mexican electric company. Throughout the construction of the El Cajón Dam, the following is estimated:
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