Sarco Wind Farm

Developed by:

Mainstream Renewable Power

Construction Managed by:

Mainstream Renewable Power

Project Owners:

Innergex Renewable Energy

Commercial operation date:

Q4, 2019

The 170 MW wind project is located in the Municipality of Freirina in the Atacama Region of Northern Chile.

In October 2015, the Sarco Wind Farm was awarded a contract by the National Energy Commission (NCE) under a highly competitive bidding process to supply regulated customers in Chile’s SIC electricity system starting from 2017.

Sarco Wind Farm is one of three projects in the Aela Energía portfolio of projects sold to Canadian-listed developer, Innergex Renewable Energy in February 2022.

Onshore wind

Atacama Region

170 MW Gross


Powering 270,000 homes

In April 2016, Mainstream announced the conclusion of a deal that would see Senvion supply 50, 3.4M114 turbines with a hub height of 93 meters for the project.

The project reached financial close in August 2017 and in March 2019, the project began feeding energy into the grid.

The wind plant will supply more than 270,000 households per year with clean electricity.

The Sarco project forms part of Mainstream’s joint venture Aela Energía.  Aela Energía was sold to Innergex Renewable Energy in 2022.

By the numbers


local homes powered each year


# wind turbines

71 kms

transmission line built

Mainstream’s 1.3GW renewables power play in Chile

Related Projects

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