Macho de Monte Dam

Macho de Monte Dam
Macho de Monte Dam is located in Panama
Macho de Monte Dam
Macho de Monte Dam
Location within Panama
LocationTierras Altas District, Panama
Coordinates8°41′15″N 82°36′32″W / 8.687590°N 82.608967°W / 8.687590; -82.608967 (Macho de Monte Dam)
PurposePower
StatusOperational
Opening date1939
OwnersEnergía y Servicios de Panamá, S.A. (ESEPSA)
Power Station
Turbines2x Francis-type
Installed capacity2.496 MW

The Macho de Monte Dam, officially known as Central Hidroeléctrica Macho de Monte, is a hydroelectric power station in Tierras Altas, Chiriquí, Panama.[1] It has an installed capacity of 2.496 MW with a net head of 71.8 metres (236 ft).[1] It is operated and managed by Energía y Servicios de Panamá, S.A. (ESEPSA),[2] which is a part of Naturgy.[3] The dam was rebuilt in 2001 by the new management of the dam.[1]

History

On the 23rd of January, 1929 Mr. Rafael Ariño applied to enter into a contract for the use of the waters of the Macho de Monte River, intending to install and operate a hydroelectric power station. Later that year, on November 10th, the Chiriquí Hydroelectric Company, or Compañía Hidroeléctrica de Chiriquí, was founded, with the aim of establishing a hydroelectric power station on the Macho de Monte River with a capacity of 3000 horsepower, capable of supplying electricity to regions as far as Puerto Armuelles, Pedregal and Boquete. The company Luis A. Hidalgo y Cía. Ltda.. transferred the rights to build a power station in La Concepción to the Compañía Hidroeléctrica de Chiriquí on the 23th of September 1930, however, the government rejected the application for this new power station on the grounds that it involved a merger of its contracts to provide street lighting in La Concepción via another power station. In June 1939 the first installment of the Macho de Monte hydroelectric power station was inaugurated, with an initial capacity of 770 KW. Compañía Hidroeléctrica de Chiriquí declared bankruptcy in 1942, as it lacked the funds to pay a mortgage on assets owed by the company. Starting September 16th, 1961, IRHE (Instituto de Recursos Hidráulicos y de Electrificación) took over the operation and maintenance of power plants and electrical facilities in Panama.[4] In 1998, Distribución Eléctrica Chiriquí, S.A. (EDECHI) was granted the right to operate the Macho de Monte power plant. This generation concession was later transferred to ESEPSA on December 11th, 2006.[5] As part of the efforts to privatize panama's power generation and distribution sectors in the late 1990's, Unión Fenosa, later acquired by Gas Natural, had acquired 51% of the shares of the distribution companies EDEMET and EDECHI for $212 million. The transaction was finalized in 1999.[6][7][3]

Location

The Dam is situated on the Macho de Monte River, just upstream of the Macho de Monte Canyon, a popular tourist attraction.[8] It features a weir-type intake in a gallery built into the dam body and connected to the canal; this type of intake is known as a Tyrolean-type intake, designed specifically for rivers with a steep gradient and coarse sediment material, which is the case here. During heavy water flows, between 4.0 and 5.0 m³/sec is diverted.[1]

Size

The total length of the intake is 9 metres (30 ft), which is equal to the length of the dam. The intake is situated with a 10.00% gradient. The dimensions of the intake are 9 metres (30 ft) x 1.50 metres (4 ft 11 in) horizontally; these dimensions correspond to the size of the grates that hold off any large sediment from entering the water intake. The area upstream of the dam is filled with silt, no reservoir is created by the dam.[1]

The canal begins after the sluice gate at the end of the water intake and has a trapezium-shaped cross-section approximately 5 metres (16 ft) wide, 2 metres (6 ft 7 in) deep and approximately 990 metres (3,250 ft) long. Most of it is not lined and consists of a section of soil containing rocks from the naturally found in the region.[1]

At the end of the canal begins the steel drop pipe, which has a length of 150 metres (490 ft) and a vertical drop of 71.8 metres (236 ft). The powerhouse is equipped with two horizontal-shaft Francis turbines.[1] The powerhouse is controlled remotely from the Centro de Control de Generación (CCG) vía VSAT,[9] and, situated at the bottom of the canyon, is protected from floods of Macho de Monte River by concrete protective walls. Access to it is provided with a 50 metres (160 ft) high staircase.[1]

References

  1. 1 2 3 4 5 6 7 8 "PADE Macho de Monte" (PDF) (in Spanish). 2025-03-31. Archived (PDF) from the original on 2026-01-01. Retrieved 2026-06-30.
  2. ↑ "Resolucion renovació Macho de Monte" (PDF). May 3, 2019.
  3. 1 2 "Naturgy - Conócenos".
  4. ↑ Ramos, Ramón Oscar Argote. "100 AÑOS DE HISTORIA DE LOS SERVICIOS PUBLICOS DE ELECTRICIDAD EN LA REPÚBLICA DE PANAMA". Retrieved July 7, 2026.
  5. ↑ "Resolución AN N° 13333-Elec". 2019-05-03. Retrieved 2026-08-25.
  6. ↑ "Public-Private Partnership Stories" (PDF). International Finance Corporation, World Bank Group. December 2008. Retrieved 2026-08-25.
  7. ↑ "Gas Natural buys on the stock market another 3% of Fenosa". 2008-11-06. Retrieved 2026-08-25.
  8. ↑ "Tripadvisor - Cascada Macho de Monte". 2026-06-30.
  9. ↑ "Proyectos en Panamá - GPG". GPG. 2025-07-29. Archived from the original on 29 July 2025. Retrieved 2026-06-30. Esta central, al igual que Dolega, es controlada desde el Centro de Control de Generación (CCG) vía VSAT.