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Lo Aguirre Sectioning Substation, Phase I

Project Stages

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Early Works
Environmental evaluation
Start: 11/2012
Completion: 05/2013
In Construction
Under Construction
Start: 10/2014
Completion: 05/2015
Current Stage In operation
Project Details


The project seeks to improve the quality and stability of electricity supplies nationwide by means of a new substation and supply point to Chile's SIC power grid, in order to alleviate pressure on the system's 500kV lines connecting substations Polpaico and Alto Jahuel. Work will include adding a new sectioning substation to the 500kV and 220kV trunk transmission system, as well as the construction of tie-lines to the substation, which will section the existing 2x220kV Rapel-Cerro Navia and Alto Jahuel-Polpaico lines.

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Principal Works

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Key Specs

Full Name
Lo Aguirre Sectioning Substation, Phase I
Project Type
Development Phase
In operation
Project Status
Project Capacity
500  kV (kilovolts)  Transmission
US$ 69mn
Completion Date

The Lo Aguirre project is planned for the Pudahuel district of central Chile's Metropolitan region.

 * The map coordinates represent the approximate latitude and longitude, and not the exact location of the project.

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