Siemens to deliver 50 wind turbines to Chile

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Orlando, Fla., May 21, 2012 — Siemens Energy won an order for a total of 50 wind turbines with a combined capacity of 115 MW for the El Arrayan wind power plant in Chile.

This wind project will be developed as a joint venture between Pattern Energy and AEI, two leading independent energy companies developing projects in Chile because of its great potential for sustainable energy development and its strong investment climate.

Furthermore, the mining division of Antofagasta, which is the parent company of Minera Los Pelambres, the power offtaker, has purchased an equity stake in the El Arrayan project.

The scope of supply encompasses delivery, installation and commissioning of the 50 SWT-2.3-101 wind turbines, including a five-year service and maintenance contract. Installation of the project is scheduled to begin in spring 2013, with commissioning of the wind power plant planned for early 2014.

The Global Wind Energy Council concluded that Chile has good wind resources from the northern deserts to the extreme South and estimates the country's wind energy potential to be around 40 GW. Other Siemens wind orders in South America include three projects with a combined capacity of nearly 300 MW in Brazil, which will be installed in 2012 and 2013.

The El Arrayan Wind Farm is located about 400 kilometers north of Santiago on the coast of the Coquimbo IV Region. Once completed, it will be the largest wind project in Chile and provide clean and renewable energy to power the equivalent of about 200,000 local households.

Seventy percent of the energy generated by the wind power plant will be dedicated to supply power to Minera Los Pelambres, one of the most important mineral producers in the country. This will allow Minera Los Pelambres to advance its objective toward sustainability, based on the replacement of conventional energy by wind power generation with carbon credits for 160,000 tons of carbon dioxide per year.

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