MidAmerican Wind, a subsidiary of MidAmerican Renewables, is based in Des Moines, Iowa, with operations
focused on unregulated wind-powered generation projects.
The 81-megawatt Bishop Hill II project is located in Henry County, Ill., near the town of Galva, which is
approximately 40 miles northwest of Peoria, Ill. Construction began in fourth quarter 2011. The project commenced
commercial operation in December 2012. Ameren Illinois purchases the electricity from the project pursuant to the terms
of a 20-year power purchase agreement.
Pinyon Pines I and II
In November 2012, MidAmerican Wind acquired the 168-megawatt Pinyon Pines I and the 132-megawatt Pinyon Pines II projects,
formerly known as Alta Wind VII and Alta Wind IX, respectively, from California Highwind Power, a subsidiary of
Terra-Gen Power, LLC. The projects are located near Tehachapi, Calif. and were complete in December 2012.
Southern California Edison purchases electricity from each of the projects pursuant to the terms of power purchase
agreements that extend to 2035.