Our history

Stemming from the agreement to split Empresa Nacional de Electricidad S.A., Endesa, Empresa Eléctrica Colbún Machicura S.A., currently known as Colbún S.A. is created.

Commissioning of San Ignacio hydroelectric power plant.

CORFO ceases to be a main shareholder of the Company by selling 37% of its shares in Empresa Eléctrica Colbún Machicura S.A. and therefore, is no longer the controller of the company.

Commissioning of Rucúe hydroelectric power plant.

Commercial commissioning of Nehuenco I combined-cycle thermoelectric power plant.

Commercial operation of Nehuenco III open-cycle thermoelectric power plant begins.

Commissioning of Nehuenco II combined-cycle thermoelectric power plant.

Commercial operation of Candelaria open-cycle thermoelectric power plant begins. Minera Valparaíso S.A., an affiliate of Matte Group becomes the principal shareholder of Colbún S.A.

Tractebel sells its entire share ownership in Colbún S.A. In this sale Antarchile S.A., company related to the Angelini group acquires 9.53% of the ownership of Colbún S.A.

Commissioning of Quilleco and Chiburgo run-of-the-river hydroelectric power plants. Registration of Chacabuquito power plant before the United Nations’ Clean Development Mechanism, being the first run-of-the-river hydroelectric power plant in the world to trade carbon credits.

Commissioning of Hornitos hydroelectric power plant.

Commissioning of Los Pinos open-cycle thermoelectric power plant.

Commissioning of San Clemente hydroelectric power plant. Colbún’s Sustainability Strategy is defined.

Commissioning of Santa Maria’s Unit 1 (Biobío Region), the first and single coal-fired thermoelectric power plant pertaining to Colbún S.A. Establishment of the affiliate Colbún Transmisión S.A.

Commissioning of the Angostura reservoir hydroelectric power plant and its related tourist project Angostura Park.

Purchase of a 51% stake in Fenix Power Perú S.A., owner of a combined cycle thermoelectric power plant based on natural gas, located in Chilca, Peru.

Colbún was awarded a concession to develop Horizonte (Taltal) the largest wind farm in Chile. The Company joined the Dow Jones Sustainability Emerging Markets Index (DJSI) in Chile.

Commissioning of La Mina hydroelectric power plant (Maule Region). Colbún kicks off its first Solar Plant Ovejería (Metropolitan Region).

Colbún is awarded a BHP renewable energy contract by 3,000 GWh/year, one of the largest projects tendered up to that time. Inauguration of the Machicura Resort, at the Machicura Reservoir.