MidAmerican Renewables LLC, a subsidiary of MidAmerican Energy Holdings Co., announced it has completed its acquisition of the Topaz Solar Farm from First Solar Inc. The 550-megawatt photovoltaic power plant being built in San Luis Obispo County, Calif., will have the capacity to generate enough renewable energy to power approximately 160,000 average California homes.  The Topaz project will be built, operated and maintained by First Solar. Construction began in December 2011 and is expected to be complete by early 2015.