O'Brien Wind

MidAmerican EnergyO'Brien CountyMISO

O'Brien Wind is a 250 MW onshore wind farm in northern O'Brien County, Iowa, owned by MidAmerican Energy. It has 104 Siemens turbines, 91 SWT 2.415 MW machines and 13 SWT 2.346 MW machines, and forms part of MidAmerican's Wind X development with the Ida Grove project. Mortenson served as general contractor. MidAmerican reported construction complete in January 2017, with the turbines commissioned in early December and delivering electricity to its customers.