MidAmerican Energy began installing wind turbines in 2004 and is a recognized leader in the use and development
of renewable energy. Our wind projects foster economic development while demonstrating the company’s commitment
to renewable energy and environmental respect. No other U.S. rate-regulated utility owns more wind-powered
In 2011, MidAmerican Energy added 593.4 megawatts of new wind-powered generation to its existing wind portfolio
in Iowa. The projects included the 443.9-megawatt Rolling Hills wind project, located in Adair, Adams and Cass
counties; the 119.6-megawatt Laurel wind project, located in Marshall County; and the 29.9-megawatt Pomeroy
wind expansion project, located in Pocahontas and Calhoun counties. The three projects consist of 258 wind
In 2012, MidAmerican Energy solidified its No. 1 ranking when it completed a 406.9-megawatt wind expansion
project in Iowa. The 2012 expansion included the 105.6-megawatt Vienna wind project, located in Marshall and
Tama counties; the 200.1-megawatt Eclipse wind project, located in Guthrie and Audubon counties; and the
101.2-megawatt Morning Light wind project, located in Adair County. The three projects consist of 176 wind
turbines. In 2012, MidAmerican Energy also was recognized with the Platts Global Energy Green Energy Supplier
of the Year Award for its wind expansion projects.
In May 2013, MidAmerican Energy announced plans to invest up to $1.9 billion to expand its wind generation
fleet and add up to 1,050 megawatts of wind generation in Iowa by year-end 2015 in five Iowa counties – Grundy, Madison, Marshall, O’Brien and Webster.
Prior to the Wind VIII expansion, approximately 2,285 megawatts, or nearly 30 percent, of MidAmerican Energy’s total owned
generation capacity came from the company’s 1,267 wind turbines. Once the expansion is complete,
approximately 3,335 megawatts, or approximately 39 percent, of MidAmerican Energy’s total owned generation
capacity will come from wind-powered generation from 1,715 wind turbines.