The order represents a total capacity of 1,050MW — the largest single order for onshore wind power awarded globally to date, according to Siemens.
The wind turbines, each with a nominal rating of 2.3MW and a rotor diameter of 108 meters, are to be installed in five different projects in Iowa. Siemens will also be responsible for service and maintenance of the wind turbines.
Iowa is one of the leading U.S. states in wind energy generation. In 2012, around 24 per cent of total power generation in the state was provided by wind power. Siemens has already installed 1.2 GW of wind power capacity for MidAmerican Energy to date.
The nacelles and hubs for the wind turbines will be assembled at the Siemens plant in Hutchinson, Kansas, and the rotor blades will be produced by Siemens in Fort Madison, Iowa.
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