MidAmerican Energy places 356 MW order for the 2,000 MW Wind XI project in Iowa Vestas Windanlagen © / Pressebild (WK-intern) - Vestas has received a firm and unconditional order from MidAmerican Energy Company, a subsidiary of Berkshire Hathaway Energy, for 356 MW of V110-2.0 MW turbines for the Wind XI project. The order references Vestas Wind Systems A/S’ company announcement No. 22/2016 of 17 June 2016 and includes previously purchased PTC-qualifying components. The order includes supply and commissioning of the wind turbines as well as a five-year Active Output Management 5000 (AOM 5000) service agreement, Vestas’ full-scope service package maximizing uptime and energy