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.

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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.
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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
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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.

2018

  • Launch of the Greentegra transformational strategy: the expansion in renewable energies begins.
  • AES Chivor changes its name to AES Colombia.

2019

  • Acquisition of the development of the Jemeiwaa Kai project in La Guajira, Colombia.
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2020

  • Virtual Reservoir, the world's first energy storage system starts operation, integrated with a run-of-river hydro power plant, Chile.
  • Andes Solar II-A, the most efficient photovoltaic plant in the region, starts operation, Chile.
  • AES Gener announced the early retirement of Units 1 and 2 of the Ventanas thermoelectric plant in Puchuncaví, Chile.
  • The construction of the San Fernando Solar Park begins in the municipality of Castilla la Nueva, Colombia.
  • Smart Center inauguration: remote operation of all plants in Chile. Digital Solutions Innovation Center.
  • Request for withdrawal of units 1 and 2 of Ventanas in Chile.
  • Windows 1 enters the State of Strategic Reserve (ERE).
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2021

  • Start of commercial operation of San Fernando, the largest self-generation solar plant in Colombia.
  • Change of brand and name: AES Gener is renamed AES Andes
  •  Incorporation of GIP as a strategic partner to promote renewable growth in Chile
  • Sale of subsidiary Guacolda in Chile.
  • Request for early retirement of the Ventanas 3 and 4 and Angamos 1 and 2 units in Chile.
  • Start of commercial operation of Andes Solar IIa
  • Capital increase for US$306 million to finance renewable growth.
  • Concludes the construction of the Los Olmos wind farm and begins its operation.
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2022

  • Juan Ignacio Rubiolo is appointed Chairman of the Board of AES Andes.
  • The commercial operation of the Los Olmos Wind Farm in Chile begins.
  • The AES Corporation completes OPA for more than 99% of AES Andes.
  • Start of commercial operation of the Alto Maipo run-of-the-river hydroelectric plant in Chile.
  • Javier Dib is appointed General Manager of AES Andes.
  • Definitive disconnection of the Windows 1 unit.
  • Start of the operation of the first stage of the Mesamávida Wind Farm in Chile.
  • Launch of the first Green Hydrogen Open Season in Chile.
  • The bidirectional energy exchange between Chile-Argentina is reactivated, through the InterAndes interconnection line.
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2023

  • Start of commercial operation of the Campo Lindo Wind Farm in Chile.
  • Acquisition of Bolero Solar Photovoltaic Park in Chile. 
  • Announcement of early retirement of the Norgener 1 and 2 units in Chile.