Arauco II – Phases III and IV (PEA III)

Arauco II – Phases III and IV (PEA III) onshore wind overview.

PEA III comprises phases III and IV of Arauco II, near Aimogasta in Argentina’s La Rioja province. Its 28 Siemens Gamesa turbines have a combined installed capacity of 99.4 MW. The development is operated through Arauco Renovables within Parque Eólico Arauco; commercial authorisation began for a 92.3 MW portion in August 2025.In OperationArgentina

At a Glance

Declared capacity

92.3 MW

Turbines

Operator

Data coming soon

Country

Argentina

Location

-28.748°, -66.729°

Website

Official project page

Ownership

2 records

Share	Organisation	Role	Details	Period
Unknown		Project Company	The June 2024 generation register identifies Arauco Renovables S.A.P.E.M. as the company for Arauco II phases III and IV, with CUIT 30-71540775-9.	Current / not dated
Unknown		Indirect Parent	Parque Eólico Arauco holds the development through its subsidiary Arauco Renovables, as described in the March 2026 green bond assessment.	Current / not dated

Organisations

8 records

Organisations recorded as working on this asset or its project, and their role.

Organisation	Role	Details
	PEA III project company and operatorOwner Operator	Operates the Arauco II phases III and IV development within the Parque Eólico Arauco group.
	Provincial green bond financingFinance Insurance Legal	The March 2026 assessment describes provincial green bond proceeds passed to Parque Eólico Arauco to support its wind and solar developments, including Arauco II phases III and IV.
	Historical proposed financing assessmentFinance Insurance Legal	IDB Invest’s 2018 project disclosure considered financing for Arauco developments including phases III and IV and their shared transmission line.
P.EOLICO ARAUCO II R1.5 ET3y4	Operator	Not set
	PEA III developer and operating groupDevelopment And Operation	Develops and operates the PEA III wind project through its Arauco Renovables subsidiary.
	SG 3.4-132 turbine supplierTurbine Supply	The operator identifies 28 Siemens Gamesa SG 3.4-132 turbines configured at 3.55 MW each for PEA III.
	La Rioja Sur transmission interfaceGrid Connection	ENRE’s 2019 decision describes the shared Arauco connection to the La Rioja Sur substation in Transener’s transmission system.
	Regional transmission connection contextGrid Connection	ENRE’s 2019 grid access decision describes the Arauco II connection through the regional transmission system and the Arauco II substation.

Supplier registration

Contact page only

How suppliers get onto this project's radar: its standing register, supplier portal or contact route.

General business enquiries can be made through the company’s published contact channel. This company-wide route does not provide project-specific supplier registration.

Parque Eólico Arauco company-wide contact information; no project-selectable supplier register is advertised on this page.

Contact page

SourceChecked 28 Oct 2026

Capacity history

Recorded project capacity figures. Future-dated changes are shown but are not used as current capacity.

Effective	Capacity type	Capacity	Source
2 Aug 2025	Declared capacity	92.3 MW	Parque Eólico Arauco — commercially authorised portion from 2 August 2025

Wind [m/s]

Wave [m]