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  Wobben to Make 161 Concrete Towers at CPFL Wind Energy Project
  April 25, 2011

Wobben Windpower, a unit of the German wind power equipment maker Enercon GmbH, will manufacture 161 concrete towers for CPFL Energia SA and Petroleo Brasileiro SA’s wind projects in Brazil’s north.

The towers will be produced in segments from a factory built at the site of the Sao Paulo-based energy company CPFL Energia’s 188-megawatt wind project in Parazinho, Eduardo Lopes, commercial director of Wobben, said in an e-mail.

The heaviness of each segment means it’s advantageous to produce them near the site, Lopes said. “You save money on transport.”

Wobben has opted for concrete towers instead of the steel that’s used at most other Brazilian wind farms because they’re cheaper to make, which means you can build them higher and harness stiffer winds, he said.

Another advantage is that the developer won’t be dependent on the schedules of sub-suppliers as concrete is made from cement, sand, gravel and water that are readily available, he said.

The factory, which started at the beginning of this month, will furnish Petroleo Brasileiro, known as Petrobras, with towers for its 104-megawatt wind farm in Guamare and possibly other projects in the region, Lopes said.

Source: Boomberg

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