MidAmerican Energy Co. selected Mortenson Construction to build the 170-MW Beaver Creek wind farm in Iowa.
Vestas Wind Systems A/S will deliver 85 wind turbines that will be installed across Greene and Boone counties, Iowa. The project, which is part of MidAmerican's Wind XI expansion, is expected to go online by December, according to an Aug. 10 release.
MidAmerican Energy is a Berkshire Hathaway Energy subsidiary.