MidAmerican Energy Holdings Company is a holding company

Holding company

A holding company is a company or firm that owns other companies' outstanding stock. It usually refers to a company which does not produce goods or services itself; rather, its purpose is to own shares of other companies. Holding companies allow the reduction of risk for the owners and can allow...

 controlled by Berkshire Hathaway

Berkshire Hathaway

Berkshire Hathaway Inc. is an American multinational conglomerate holding company headquartered in Omaha, Nebraska, United States, that oversees and manages a number of subsidiary companies. The company averaged an annual growth in book value of 20.3% to its shareholders for the last 44 years,...

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Gregory E Abel serves as president, chairman and CEO.

Investments

MidAmerican holds the following companies:

• MidAmerican Energy Company
  MidAmerican Energy Company
  MidAmerican Energy Company is an energy company based in Des Moines, Iowa. Its service area includes almost two-thirds of Iowa, as well as portions of Illinois, South Dakota, and Nebraska. Its territory is wholly encompassed by the territory of the Midwest Independent Transmission System Operator...
  
  
• PacifiCorp
  PacifiCorp
  PacifiCorp is an electric power company in the northwestern United States.PacifiCorp has three primary subsidiaries:# Pacific Power is a regulated electric utility with service territory throughout Oregon, northern California, and southeastern Washington.# Rocky Mountain Power is a regulated...
  
  
• CE Electric UK
  CE Electric UK
  Northern Powergrid Holdings Company is an electrical distribution company based in Newcastle Upon Tyne in England...
  
  
• Integrated Utility Services UK
  Integrated Utility Services UK
  Integrated Utility Services is a high voltage electrical contracting business owned by an electrical distribution company and is based in Yorkshire in England...
  
  
• CalEnergy Generation
• Kern River Gas Transmission Company
  • Kern River Pipeline
    Kern River Pipeline
    Kern River Pipeline is a natural gas pipeline 1,679 miles long extending from southwestern Wyoming to its terminus near Bakersfield, California, supplying local gas distribution companies, power plants, and heavy industry in Utah, Nevada, and California. It is owned and operated by the Kern River...
    
    
• Northern Natural Gas Company
• HomeServices of America
  HomeServices of America
  HomeServices of America, Inc., held by Berkshire Hathaway, is a residential real estate brokerage firm based in Minneapolis, Minnesota and founded in 1998.HomeServices has operations in 19 states and over 21,000 sales associates...
  
  
• BYD Company
  BYD Company
  BYD Co Ltd is a Chinese manufacturer of automobiles and rechargeable batteries based in Shenzhen, Guangdong province.Hailed for its innovations, BYD has grown to become a major manufacturer of rechargeable batteries, most notably mobile phone batteries....
  
   (10% of outstanding shares)

On September 18, 2008, MidAmerican announced $26.50-a-share cash offer to purchase Constellation Energy

Constellation Energy

Constellation Energy, headquartered in Baltimore, Maryland, is an energy producer, trader, and distributor. The company operates over 35 power plants in 11 states under its operating company Constellation Commodities Group and/or Constellation Generation Group...

, a FORTUNE 125 company with 2007 revenues of $21 billion and the nation's largest competitive supplier of electricity to large commercial and industrial customers and largest wholesale power seller. However, the deal did not take place.

Cars

MidAmerican is discussing with BYD Auto

BYD Auto

BYD Automobile Co Ltd is a Chinese automobile manufacturer based in Shenzhen, Guangdong Province...

 how to set up a U.S. dealer network for the F6DM

BYD F6DM

The BYD F6DM is a planned plug-in hybrid mid-size sedan. A planned fully electric version was called F6e. The manufacturer, Chinese automaker BYD Auto, is owned by BYD Company Limited, China's largest mobile phone battery maker...

 plug-in hybrid electric car, which would likely go head to head with offerings from Toyota, General Motors

General Motors

General Motors Company , commonly known as GM, formerly incorporated as General Motors Corporation, is an American multinational automotive corporation headquartered in Detroit, Michigan and the world's second-largest automaker in 2010...

, Ford and Chrysler

Chrysler

Chrysler Group LLC is a multinational automaker headquartered in Auburn Hills, Michigan, USA. Chrysler was first organized as the Chrysler Corporation in 1925....

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