Dive Summary:
- Acciona Windpower is casting the first 100-meter concrete tower that the company has manufactured in North America.
- Acciona North America, a subsidiary of the firm based in Madrid, Spain, is making the tower in sections that will be assembled at the Pioneer Grove Wind Farm in Cedar County, Iowa. It will support a 3-MW turbine.
- Using concrete avoids steel fatigue that can occur when narrow steel towers have to handle the forces on a wind turbine, civil engineering consultant Charles Hanskat said. He added that 100 meters is a point where using steel becomes impractical.
From the article:
As construction nears completion at the 6-MW Pioneer Grove Wind Farm in Cedar County, Iowa, Acciona Windpower has completed fabrication of the first section of a 100-meter-high concrete tower, the first of its kind for the company in North America. ...
