CWE gets Arizona planning OK for second wind tower

Authorities in Arizona have approved a plan by US renewables developer Clean Wind Energy (CWE) to build a second 685-metre, wind-powered downdraft tower near the city of San Luis, clearing the way for a proposed two-unit project that hopes to supply power to one million homes.

CWE’s scheme is built around hollow cylindrical structures equipped with a water-spray system, designed to each generate 850MW from high-speed “downbursts” of air that turn turbines in their foundations.

More than 1,500 acres has been set aside for the Arizona development. The first tower was approved earlier this year.

The green light comes on the heels of a $5m investment deal with New York financiers Deer Valley Management.

CWE chief executive Ronald Pickett says: “We believe this financing will provide a firm foundation for our capital needs and will help to accelerate all aspects…

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