MidAmerican Energy Company’s new wind farm in Adams County, Iowa will include a first for the company: a concrete wind turbine tower. Once installed, the wind turbine itself will represent another first because it will be the tallest land-based turbine built in the country to date. It is designed to capture more wind power at…

Blattner Energy, a power generation contractor and leading provider of renewable energy construction in North America, announced that it currently offers post-tension concrete towers that allow for significantly higher hub heights. Tower heights can be increased from an average of 80 meters up to 140 meters, allowing them to reach farther above typical wind speed…

ACCIONA Windpower, the ACCIONA Group subsidiary that designs, manufactures, and markets wind turbines, has set up the first operational plant in Mexico for the production of concrete towers for wind turbines at General Escobedo, near Monterrey. It means the creation of around 300 direct and more than 1,500 indirect jobs. The plant produces concrete segments…

Mike Krapfl, Science Writer, News Service, Iowa State University Grant Schmitz, eyes inches from a 6.5 by 12-ft panel of ultra-high performance concrete, studied the smooth surface for tiny cracks. He and other research engineers carefully marked every one with black markers. Schmitz, an Iowa State graduate student of civil, construction and environmental engineering, and…