Our history

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.

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

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.

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).

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.

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.

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.