Pattern Energy acquires 115MW El Arrayán

CHILE: Pattern Energy has acquired a controlling share in the 115MW El Arrayán wind project 460 kilometres north of Santiago on the Chilean coast.

Siemens' 2.3 turbine has been used at El Arrayán
Siemens' 2.3 turbine has been used at El Arrayán

Pattern purchased the share in the project owned by US developer AEI Energy for $45.25 million, plus AEI's share of the project debt.

The US-based operator now holds a 70% stake in the project — up from 31.5% — with the remaining 30% owned by Chilean mining group Antofagasta Minerals.

El Arrayán was commissioned earlier this month and is the largest operational development in South America.

It uses 50 Siemens SWT-2.3-101 turbines and was built over three years by Skanska Chile.

Most of the power produced by the project will be supplied to mining company Minera Los Pelambres, a subsidiary of Antofagasta.

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