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    Our history

    people - 2 workers looking at laptop in front of windmills at sunset Our history

    A history of accelerating the future of energy, together

    From its founding and to today, AES has led lasting positive change in the energy sector based on its stakeholders’ most critical needs.

    1923

    1900s

    • 1923: Maitenes Hydro Power Plant starts operation in San José de Maipo, Chile.
    • 1928: Queltehues Hydro Power Plant starts operation in San José de Maipo, Chile.
    • 1939: Laguna Verde Thermo Power Plant starts operation in Valparaíso, Chile.
    • 1944: Volcán Hydro Power Plant starts operation in San José de Maipo, Chile.
    • 1962: Renca Thermo Power Plant starts operation in Renca, Chile.
    • 1964: Ventanas I Thermo Power Plant starts operation in Puchuncaví, Chile.
    • 1977: Ventanas II Thermo Power Plant starts operation in Puchuncaví, Chile.
    • 1991: Alfalfal Hydro Power Plant starts operation in San José de Maipo, Chile
    • 1995: Guacolda I Thermo Power Plant starts operation in Huasco,Chile
    • 1995: Laja Biomass Plant starts operation in Cabrero, Chile
    • 1996: Chivor Hydro Power Plant is acquired, in Boyacá region, Colombia
    • 1996: Guacolda II Thermo Power Plant starts operation in Huasco,Chile.
    • 1997: “Nueva Tocopilla” Thermo Power Plant starts operation in Tocopilla, Chile.
    • 1998: Nueva Renca Thermo Power Plant starts operation in Renca, Chile.
    • 1999: Termoandes Thermo Power Plant starts operation in Salta, Argentina.
    bat

    00s

    • 2000: The company is acquired by AES and is renamed to AES Gener
    • 2007: Los Vientos Thermo Power Plant starts operation in Llay Llay, Chile
    • 2009: Guacolda III Thermo Power Plant in Huasco and Santa Lidia Thermo Power Plant in Cabrero start operation, Chile
    • 2009: First Battery Energy Storage System in Chile
    cururos

    10s

    • 2010: Ventanas III Thermo Power Plant in Valparaíso and Guacolda IV Thermo Power Plant in Huasco start operation, Chile.
    • 2011: Angamos Thermo Power Plant starts operation in Mejillones, Chile.
    • 2013: Construction of Cochrane Thermo Power Plant and Alto Maipo Hydro Power Project started, Chile.
    • 2013: Ventanas IV Thermo Power Plant starts operation in Valparaíso, Chile.
    • 2015: Guacolda V Thermo Power Plant starts operation in Huasco,Chile.
    • 2015: Angamos desalination plant starts commercial operation and construction of Andes Solar project in Antofagasta is completed, Chile.
    • 2016: Cochrane Thermo Power Plant starts operation in Mejillones, Chile.
    • 2016: Battery capacity for Energy Storage is expanded, Chile.
    • 2016: Tunjita Hydro Power Plant starts operation in Boyacá, Colombia.
    • 2019: Los Cururos wind farm acquisition, Chile
    • 2019: Wind complex construction in the South of Chile started
    • 2019: Castilla Solar begins to generate renewable energy for Ecopetrol,Colombia.

     

    castilla

    20s

    • 2020: Virtual Reservoir, the world's first energy storage system starts operation, integrated with a run-of-river hydro power plant, Chile.
    • 2020: Andes Solar II-A, the most efficient photovoltaic plant in the region, starts operation, Chile.
    • 2020: AES Gener announced the early retirement of Units 1 and 2 of the Ventanas thermoelectric plant in Puchuncaví, Chile.
    • 2021: The construction of the San Fernando Solar Park begins in the municipality of Castilla la Nueva, Colombia.
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