Our Company

Colbún S.A. is a company of Chilean origin dedicated to the generation of electric power. It has 26 generation plants in Chile and Peru, through which it has a total installed capacity of 3,893 MW distributed in different types of generation technologies. The company also has 941 kilometers of transmission lines and a total of about 1,000 people work there.

Our purpose

Contribute the best energy to the future of our region

INTEGRITY

We are transparent and faithful to our words and commitments. Respect for the life and dignity of persons is a fundamental value.

INNOVATION

We seek creative solutions to successfully respond to our industry’s risks and opportunities.

EXCELLENCE

We work towards achieving results, with an unwavering focus on quality and responsibility

COLLABORATION

We are committed to promoting teamwork and to the unceasing search for alliances that work to everyone’s mutual benefit.

PASSION

We are firm in our conviction that our energy is essential for the development of the countries where we operate.

  • 1985

    History

    The Colbún and Machicura hydroelectric dam power plants start operations.

  • 1986

    History

    Endesa, Empresa Nacional de Electricidad S.A., signs a division agreement and Empresa Eléctrica Colbún Machicura S.A. is founded, which is known today as Colbún S.A..

  • 1996

    History

    The San Ignacio hydroelectric power plant begins its operations.

  • 1997

    History

    CORFO sells 37% of its stake in Empresa Eléctrica Colbún Machicura S.A. and ceases to hold a controlling interest in the company.

  • 1998

    History

    The Rucúe hydroelectric power plant starts operations.

  • 1999

    History

    Commercial operation of the Nehuenco I combined cycle thermal power plant begins.

    Through its subsidiary Empresa Eléctrica Industrial S.A., Colbún S.A. acquires the Carena run-of-river hydroelectric plant.

  • 2001

    History

    CORFO sells the majority of its shares in the stock market and changes the company name to Colbún S.A.

  • 2004

    History

    Nehuenco II combined cycle thermal power plant starts up operations.

  • 2005

    History

    The run-of-river hydroelectric plants –Chacabuquito, Los Quilos, Blanco, Juncal, Juncalito– and the Canutillar hydroelectric dam power plant and Antilhue thermoelectric plant, are incorporated following the merger.

  • 2005

    History

    Commercial operations begin of the Candelaria thermal open cycle power plant.

    Following the merger with Hidroeléctrica Cenelca S.A., Minera Valparaíso S.A., a subsidiary of the Matte Group, becomes the controller of Colbún S.A.

  • 2007

    History

    The Chacabuquito run-of-river hydroelectric plant is registered under the Clean Development Mechanism (CDM), which will enable an annual reduction of approximately 80,000 tons of CO2e.

  • 2007

    History

    The Quilleco and Chiburgo hydroelectric plants start operations. Chiburgo is the first plant built by the Company within the framework of the law promoting non-conventional renewable energies.

    The Nehuenco II power plant’s dual operation with natural gas and diesel oil begins its operations.

  • 2008

    History

    Hornitos hydroelectric plant starts up operations.

    The Hornitos and Quilleco run-of-river hydroelectric plants are registered in the Clean Development Mechanism (CDM), enabling annual CO2e reductions of 118,000 and 172,000 tons, respectively.

  • 2010

    History

    Operations begin of the ERNC San Clemente mini hydroelectric power plant. The plant was registered a year later under the Clean Development Mechanism (CDM), enabling an annual reduction of around 17,000 tons of CO2e, which would be equivalent to taking more than 4,000 cars out of circulation.

  • 2012

    History

    Operations begin of Unit 1 of the Santa María I Thermoelectric Power Plant, Colbún S.A.’s first coal-fired power plant.

    Publication of our first Sustainability Report, which tracks all of our sustainability performance indicators, based on the methodology of the Global Reporting Initiative (GRI).

  • 2014

    History

    Startup of commercial operations of the Angostura hydroelectric dam and power plant.

  • 2015

    History

    Acquisition of 51% of the shares of Fénix Power Perú S.A., a Peruvian electric power generation company, which is the owner of a natural-gas fired, combined cycle thermoelectric plant located in Chilca, Peru with an installed capacity of 570 MW.

  • 2018

    History

    La Mina (37 MW) begins its commercial operations in August 2018. This is Colbún’s first power plant to measure its carbon footprint during the construction phase, and the fifth plant to be certified to issue green bonds. Located in the Maule Region, it generates enough energy for the power needs of around 86,000 people.

  • 2018

    History

    The Ovejería (9 MW) photovoltaic park begins commercial operations in August and is consolidated as the first plant equipped with this technology. Located in the Metropolitan Region, Ovejería is categorized as a PMGD (Small Medium Distributed Generation) that enables the reduction of 11,000 tons of CO2 emissions each year, roughly equivalent to taking 2,750 cars out of circulation.