Cuel Wind Farm

Developed by:

Mainstream Renewable Power

Construction Managed by:

Mainstream Renewable Power

Commercial operation date:

Q1, 2014

Sold to:

Innergex Renewable Energy

The Cuel wind farm is located in Los Ángeles city in the Bíobío region of Chile. Mainstream fully developed the project in association with local authorities, municipalities and the community.

Construction of all 22 turbines was completed Q1 2014 and, in February 2014, the project started to generate power and sold on the spot market – a first in the industry.

Subsequently, Cuel was sold into the Aela Energía platform, the joint venture company between Mainstream and Actis. In 2022, Canadian-listed Innergex Renewable Energy purchased the Aela Energía platform.

Onshore wind

Biobio Region

33 MW Gross


By the numbers


of electricity each year


avoided each year


# wind turbines

Cuel Wind Farm, BioBío Region, Chile

Mainstream’s 1.3GW renewables power play in Chile

Saving oasis of biodiversity in Chilean desert

Related Projects

We are very pleased to have delivered the 332 MW Aela Energia portfolio, from initial project development through to commercial operation.

"Building this market-leading renewable energy provider and selling it onwards to Innergex marks the immensely successful conclusion to our involvement with Aela. As one of Chile’s largest renewable energy companies, we remain focused on building out and expanding our multi-gigawatt wind and solar platforms in the region.

Mary Quaney - Group Chief Executive Officer, Mainstream Renewable Power

Building a market-leading IPP is an astonishing achievement. Aela is a true sustainability leader within the Chilean energy sector, not only in the context of the climate emergency but for its progressive approach to inclusion and diversity. This business and its contribution to the communities it serves will have a long lasting positive impact.

Lucy Heintz - Partner and Head of Energy, Actis


Media Enquiries

Emmet Curley

Head of Communications and Positioning