MidAmerican Energy Holdings Co. operates as a holding company with interests in engages in energy business. It operates business through subsidiaries which include, PacifiCorp., MidAmerican Funding LLC, NV Energy, Inc. Sierra Pacific Power Co., Northern Natural Gas Co., Kern River Gas Transmission Co., Northern Powergrid Holdings Co., MidAmerican Transmission LLC, MidAmerican Renewables LLC and HomeServices of America, Inc. The company’s subsidiaries generate, transmit, store, distribute and supply energy. It has offices in Delaware, England, Iowa, Nevada, Oregon and Texas. MidAmerican Energy Holdings was founded in 1971 and is headquartered in Des Moines, IA.