
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.

1920s
- 1923: Maitenes Hydro Power Plant starts operation in San José de Maipo
- 1928: Queltehues Hydro Power Plant starts operation in San José de Maipo
- 1939: Laguna Verde Thermo Power Plant starts operation in Valparaíso.
1940s
- 1944: Volcán Hydro Power Plant starts operation in San José de Maipo


1960s
- 1962: Renca Thermo Power Plant starts operation in Renca
- 1964: Ventanas I Thermo Power Plant starts operation in Puchuncaví
1970s
- 1977: Ventanas II Thermo Power Plant starts operation in Puchuncaví


1990s
- 1991: Alfalfal Hydro Power Plant starts operation in San José de Maipo
- 1995: Guacolda I Thermo Power Plant starts operation in Huasco
- 1995: Laja Biomass Plant starts operation in Cabrero
- 1996: Guacolda II Thermo Power Plant starts operation in Huasco.
- 1997: “Nueva Tocopilla” Thermo Power Plant starts operation in Tocopilla
- 1998: Nueva Renca Thermo Power Plant starts operation in Renca
2000s
- 2000: The company is acquired by AES and is renamed to AES Gener
- 2007: Los Vientos Thermo Power Plant starts operation in Llay Llay.
- 2009: Guacolda III Thermo Power Plant in Huasco and Santa Lidia Thermo Power Plant in Cabrero start operation
- 2009: First Battery Energy Storage System in Chile

2010s
- 2010: Ventanas III Thermo Power Plant in Valparaíso and Guacolda IV Thermo Power Plant in Huasco start operation
- 2011: Angamos Thermo Power Plant starts operation in Mejillones
- 2013: Construction of Cochrane Thermo Power Plant and Alto Maipo Hydro Power Project started.
- 2013: Ventanas IV Thermo Power Plant starts operation in Valparaíso
- 2015: Guacolda V Thermo Power Plant starts operation in Huasco.
- 2015: Angamos desalination plant starts commercial operation and construction of Andes Solar project in Antofagasta is completed
- 2016: Cochrane Thermo Power Plant starts operation in Mejillones
- 2016: Battery capacity for Energy Storage is expanded.
- 2019: Los Cururos wind farm acquisition.
- 2019: Wind complex construction in the South of Chile started
2020s
- 2020: Virtual Reservoir, the world's first energy storage system starts operation, integrated with a run-of-river hydro power plant
- 2020: Andes Solar II-A, the most efficient photovoltaic plant in the region, starts operation.