Andes Vallenar power station

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Andes Vallenar power station (Central Térmica Andes Vallenar) was a 540-megawatt (MW) gas-fired power station in the region of Atacama, Chile. As of July 2022, the project is presumed to be shelved.


The map below shows the approximate location of the power station in Vallenar, the region of Atacama, Chile.

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Project Details

  • Sponsor: ANDES SA[1]
  • Parent company: Royal Dutch Shell Plc ; Wärtsilä[2]
  • Location: Vallenar, Atacama, Chile
  • Coordinates: -28.5776, -70.7823 (approximate)[3]
  • Gross generating capacity (shelved): 540 MW
    • Unit 1: Gas-fired[4] unknown technology, 540 MW[4] (start-up year not available)
  • Associated infrastructure:


In May 2019, the environmental watchdog in Chile, SEA, approved the Andes Vallenar Power Station project for construction.[5] The power station was a key component of the $650 million Andes LNG project, which was also to include a floating regasification terminal in Chasco Bay and the 92-kilometer Chasco Bay-Vallenar gas pipeline.[5] The power plant, which was to be powered by 30 small engines with a total capacity of 540 MW, encountered strong opposition from environmentalists.[6]

In June 2022, Chile's Committee of Environmental Ministers rejected the Andes LNG project as environmentally unsustainable, presumably putting a definitive end to the project.[7][8]

Articles and Resources


  1. "Rules on Non-Admission for Process, Exempt Resolution No. 131". Servicio de Evaluación Ambiental (SEA). July 15, 2016. Archived from the original on May 3, 2021. Retrieved May 4, 2021.
  2. "Andes S.A. (Andes LNG)". BNamericas. Archived from the original on May 3, 2021. Retrieved May 4, 2021.
  3. Google Maps
  4. 4.0 4.1 "Sistema de Evaluación de Impacto Ambiental e-seia". Servicio de Evaluación Ambiental (SEA). Archived from the original on May 3, 2021. Retrieved May 4, 2021.
  5. 5.0 5.1 "BNamericas - Chile watchdog approves US$650mn LNG project". Retrieved 2021-06-28.
  6. "Evaluación ambiental visó polémico proyecto termoeléctrico a gas en Copiapó". May 30, 2019.{{cite web}}: CS1 maint: url-status (link)
  7. "Comité de Ministros rechaza inversiones por casi US$660 millones por potencial daño medioambiental". Guía Chile Energía. June 2022.
  8. "Ministros rechazan proyecto de terminal de gas y termoeléctrico Andes LNG tras acoger reclamaciones comunitarias". OLCA (Observatorio Latinoamericano de Conflictos Ambientales). June 8, 2022.{{cite web}}: CS1 maint: url-status (link)