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El Teniente New Mine Level

Project Stages

The development stages in the projects are displayed in the standard sequence for the industry. However, projects may be developed in a different sequence because of corporate decisions or events that push the owner to repeat stages. To access the full details of this project’s history please explore its milestones

Early Works
Environmental & Social evaluation
Start: 07/2004
Completion: 03/2011
In Construction
Current Stage Under Construction
Start: 04/2012
Completion: 12/2023
Completion: 12/2072
Project Details


The project involves the development and mining of a new mine level at El Teniente, with the aim of ensuring continued operations at the mine until 2064. The project will require 2,400 workers during the construction phase. The new mine level aims to exploit an area of ore 300m below the current mine area, extending the productive life of the deposit for at least 50 years.

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Principal Works

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  • * Figures and dates are as per the latest publicly available information, as well as information gathered by BNamericas reporters and analysts and are subject to change.

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Key Specs

Full Name
El Teniente New Mine Level
Project Type
Copper, Underground mining
Development Phase
Under Construction
Project Status
Project Capacity
 t/y (tons per year)  Copper
 Underground mining
US$ 5bn
Completion Date

The project is located at the El Teniente industrial complex in Machalí, 47km northeast of Rancagua.

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

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Owner / operator
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Mine Project Management
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Project Manager
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Purchasing Manager
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Investor Relations
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Project Manager
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Projects Manager
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Central Mine Superintendent
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