Under the terms of the contract, Siemens will provide an additional 176 wind turbines each with a capacity of 2.3MW for the three wind facilities in the state of Iowa.

The contract includes a five-year service, maintenance and warranty agreement.

The SWT-2.3-108 wind turbines will be utilized by MidAmerican Energy’s 103.5MW Vienna wind project, which is expected to be located in Marshall and Tama counties; 200.1MW Eclipse wind project, located in Guthrie and Audubon counties; and 101.2MW Morning Light wind project, located in Adair County.

Siemens also will provide one additional 2.3MW wind turbine, which will be installed at MidAmerican Energy’s Rolling Hills wind project.

Upon completion, the wind turbines will provide renewable energy to about 120,000 average US households.