Hydroelectric Plants in Chile - north

Alfalfal
Location: Region Metro
Operator: AES Gener
Configuration: 2 X 80 MW Pelton
Operation: 1991
T/G supplier: Sulzer Escher Wyss, Siemens
EPC: Astaldi, Coyne et Bellier, Constructora Fe Grande
Quick facts: The plant has a 22.5km headrace tunnel.

Photograph courtesy of AES Gener
Re-posted 30 Oct 2011

Angostura
Location: I Region
Operator: Colbun SA
Configuration: 2 X 136 MW, 1 X 48 MW Francis
Operation: 2012
T/G supplier: Alstom
EPC: Impregilo, Constructora Fe Grande
Quick facts: This HPP is in the communes of Quilaco and Santa Barbaraon the middle Rio Bio Bio River, 63km kilometers southeast of the city of Los Angeles. This is the largst hydro project in Chile since 2004 and cost about $420mn. A €100mn contract award to Alstom in Mar 2010 covered electromechanical and electrical equipment.

Photograph courtesy of Salini Impregilo
Re-posted 8 Mar 2014

Blanco
Location: V Region
Operator: Colbun SA
Configuration: 1 X 57 MW Pelton
Operation: 1993
T/G supplier: Kvaerner, Fuji
EPC: Constructora Gardilcic
Quick facts: Water intake for this high-head unit is at the confluene of the Banco and Juncal rivers. The plant is 32km east of Los Andes.

Photograph courtesy of Colbun SA
Posted 20 Jun 2015

Carena
Location: RM
Operator: Colbun SA
Configuration: 4 X 2.5-MW Francis
Operation: 1937
T/G supplier: Siemens Schuckert
Quick facts: This SHP is on the Canal Las Mercedes, in Curacavi.

Photograph courtesy of Colbun SA
Posted 20 Jun 2015

Chacabuquito
Location: V Region
Operator: Colbun SA
Configuration: 4 X 7.1 MW Francis
Operation: 2002
T/G supplier: VA TECH, Kaick
Quick facts: Tailwaters from the Los Quilos plant are passed to this plant via a 10km channel and a 3km tunnel. The project was developed with assistance from the World Bank and the Joint Implementation Fund.

Photograph courtesy of Hidroeléctrica Guardia Vieja SA
Posted 30 Jul 2005

Chacayes
Location: VI Region
Operator: Pacific Hydro
Configuration: 2 X 55.5 MW Francis
Operation: 2011
T/G supplier: Andritz
EPC: Hatch, Astaldi, Constructora Fe Grande
Quick facts: Chacayes is the first phase of Pacific Hydro's new project development in the Alto Cachapoal Valley. The plant is designed to generate 558 GWhyr. It was given environmental approval in July 2008 and site prep began in October 2008. In May 2009, Astaldi took a 27% stake in the project. Pacifc Hydro has a PPA with Chilectra for the plant output. On 25 Oct 2011, Chile's Minister for Energy, Rodrigo Álvarez, inaugurated the plant.

Photograph courtesy of Pacific Hydro
Posted 15 Feb 2010

Chapiquiña
Location: XV Region
Operator: E-CL
Configuration: 2 X 5.1 MW Pelton
Operation: 1967
T/G supplier: Voest
EPC: SOGEA
Quick facts: Chapiquiña is on the Río Lauca in Parinacota.

Photograph courtesy of E-CL
Posted 28 Dec 2011

El Llano
Location: Region Metro
Operator: Electrica Puntilla SA
Configuration: 1 X 1.9-MW crossflow
Operation: 2013
T/G supplier: Ossberger
EPC: Oberchile

Photograph courtesy of Oberchile
Posted 3 Aug 2014

Hornitos
Location: V Region
Operator: Colbun SA
Configuration: 1 X 55-MW Pelton
Operation: 2008
T/G supplier: VA TECH
EPC: Zublin, Icafal Ingenieria y Construccion
Quick facts: In Jun 2003, Grupo Matte submitted an EIS for this $62.8mn HPP plant 55km east of Los Andes. The firwt construction contract was let in Oct 2004. It uses wasters from the Junal and Juncalillo rivers. Construction included a 1.6km open channel, a 10.5km aqueduct tunel, a 1,234m penstock, the powerhouse, a substation and a short transmission line connecting to the downstream Aconcagua HPP. Net head is 555m.

Photograph courtesy of Colbun SA
Posted 20 Jun 2015

Juncal
Location: V Region
Operator: Colbun SA
Configuration: 1 X 32-MW Pelton
Operation: 1994
T/G supplier: Kvaerner, Fuji
EPC: Constructora Gardilcic
Quick facts: Juncal is part of the Aconcagua HPP complex. It is located 32km est of Los Andes.

Photograph courtesy of Colbun SA
Posted 20 Jun 2015

Juncalito
Location: V Region
Operator: Colbun SA
Configuration: 1 X 1.5-MW S-turbine
Operation: 2010
T/G supplier: Sulzer
EPC: Colbun
Quick facts: Juncalito is part of the Aconcagua HPP complex.

Photograph courtesy of Colbun SA
Posted 20 Jun 2015

La Confluencia
Location: VI Region
Operator: Pacific Hydro
Configuration: 2 X 78 MW Francis
Operation: 2010
T/G supplier: Voith, Siemens
EPC: Tecsa SA, Hochtief
Quick facts: La Confluencia is one of two hydro power plants resulting from a 50/50 joint venture formed in 2004 by Pacific Hydro and SN Power to build run-of-river hydro power plants in the Tinguiririca Valley, 150km south of Santiago. La Confluencia and La Higuera were opened in Oct 2010 by Chilean President Sebastián Piñera. The two plants have a long-term PPA with Chilectra.

Photograph courtesy of Pacific Hydro
Posted 30 Oct 2011

La Higuera
Location: VI Region
Operator: Tinguiririca Energia
Configuration: 2 X 77.5 MW Francis
Operation: 2010
T/G supplier: Power Machines Group, Energ Power
EPC: Lahmeyer, Queiroz Galvao
Quick facts: In 2006, La Higuuera became the world's largest hydrelectric plant to receive CDM registration.

Photograph courtesy of Pacific Hydro
Posted 30 Oct 2011

Las Vertientes Llano
Location: Region Metro
Operator: Electrica Puntilla SA
Configuration: 1 X 2-MW Francis
Operation: 2013
T/G supplier: HNAC Technology Co
EPC: GTD Ingenieros Consultores, Oberchile

Photograph courtesy of Oberchile
Posted 3 Aug 2014

Los Molles
Location: IV Region
Operator: Endesa Chile
Configuration: 2 X 9 MW Pelton
Operation: 1952
T/G supplier: Charmilles, BBC
Quick facts: One of the World Bank's first development loans was to the Corporacion de Fomento and Empresa Nacional de Electricidad. This loan financed construction of hydroelectric plants at Los Molles and Los Cipreses and helped to purchase equipment for Pilmaiquen Hydroelectric plant. Los Molles, located about 400km north of Santiago, took 4yrs to build.

Photograph courtesy of CDEC-SIC
Posted 16 Mar 2008

Los Quilos
Location: V Region
Operator: Colbun SA
Configuration: 3 X 13 MW Pelton
Operation: 1986-1989
T/G supplier: Escher Wyss, Sulzer, Westinghouse, GEC
Quick facts: Los Quilos uses water from the Rio Aconcagua and the Rio Colorado. The first two sets, which date to 1943, were completely rebuilt in 1988/89 and the third set is a new machine added in 1986.

Photograph courtesy of Hidroeléctrica Guardia Vieja SA
Posted 30 Jul 2005

Maitenes
Location: Region Metro
Operator: AES Gener SA
Configuration: 2 X 9 MW, 1 X 8 MW Pelton
Operation: 1923
T/G supplier: American Pelton Wheel, Charmilles, Westinghouse Canada
Quick facts: Maitenes supplies both Santiago and Valparaiso and was developed by Cia Nacional de Electricidad on the Rio Colorado about 65km from Santiago. The company was taken over by Weetman Pearson's Cia Chilena de Electricidad, successor to the original Chilian Electric Tramway and Light Co formed about 1898 by Wernher Beit & Co and later sold to Allgemeine Electricitats Gesellschaft of Berlin. Maitenes was badly damaged by a mudflow resulting from an upstream avalanche in Nov 1987.

Photograph courtesy of CDEC-SIC
Posted 16 Mar 2008

Mallarauco
Location: Region Metro
Operator: Gestion de Proyectos Electricos SA
Configuration: 1 X 3.5 MW Francis
Operation: 2011
T/G supplier: WKV
EPC: Gestion de Proyectos Electricos SA
Quick facts: This SHP is on the Canal Sur Mallarauco near Melipilla. It connects to the Emelectric 13.2kV system.

Photograph courtesy of Gestion de Proyectos Electricos SA
Posted 1 Dec 2013

Puclaro
Location: IV Region
Operator: Gestion de Proyectos Electricos SA
Configuration: 2 X 2.9-MW Francis
Operation: 2008
T/G supplier: WKV, AVK
EPC: Gestion de Proyectos Electricos SA
Quick facts: This SHP is near La Serena. It connects to the CONAFE 23kV distribution system.

Photograph courtesy of Gestion de Proyectos Electricos SA
Posted 1 Dec 2013

Puntilla
Location: Region Metro
Operator: Electrica Puntilla SA
Configuration: 1 X 4.5-MW, 1 X 9.5-MW, 1 X 8.3 MW Francis
Operation: 1997-2006
T/G supplier: Kossler, LDW
EPC: Electrica Matamoros
Quick facts: This HPP is in Pirque. Unit-3 went online in Jun 2006.

Photograph courtesy of O&M Electrica Matamoros SA
Posted 2 Aug 2015

Rapel
Location: VI Region
Operator: Endesa Chile
Configuration: 5 X 75 MW Francis
Operation: 1968
T/G supplier: Hitachi
EPC: Coyne et Bellier
Quick facts: This 112m high arch dam is at the confluence of the Cachapoal and Tinguiririca rivers and created the largest artificial lake in Chile with a capacity of 700mn m³. The dam, which has a seismic belt, survived a strong earthquake in 1985 with little damage.

Photograph courtesy of Endesa SA
Re-posted 2 Jan 2013

Abbreviations

Data: industcards, Platts UDI World Electric Power Plants Data Base

Updated 02-Aug-2015

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