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Private company

MidAmerican Energy Company

Logo: MidAmerican Energy Company, Public domain, via Wikimedia Commons4

American electric and gas company

MidAmerican Energy Company (MidAmerican) is an American 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 Midcontinent Independent System Operator.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1995Founded1
  • HeadquartersDes Moines1
  • Websitewww.midamericanenergy.com
  • Legal formProfit Corporation3
  • LEININLOILYRTLIMK26MZ183
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressC/O C T CORPORATION SYSTEM, 50309 Des Moines, United States3
  • Registered withBusiness Services Division (Secretary of State), 1772283

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MidAmerican Energy Company (MidAmerican) is an American 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 Midcontinent Independent System Operator. Major cities in MidAmerican's service territory are Des Moines, Sioux City, Sioux Falls, Council Bluffs, Waterloo, Iowa City, and the Quad Cities.2

Corporate structure

MidAmerican Energy Company is part of a group headed by Berkshire Hathaway. 1,533 entities, 33 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Berkshire Hathaway Omaha, Nebraska, United States
    • AltaLink 100% · Calgary, Alberta, Canada
    • Berkshire Hathaway Energy 89.94% · Des Moines, Iowa, United States
      • Northern Powergrid Newcastle Upon Tyne, United Kingdom
        • 4 more
      • NV Energy Las Vegas, Nevada, United States
      • Elmore Subsidiary · Elmore
      • Integrated Utility Services UK Subsidiary · Yorkshire
      • BHE RENEWABLES, LLC Subsidiary · Des Moines, Iowa, United States
        • 4 more
      • BHER POWER RESOURCES, INC. Subsidiary · Scottsdale, Arizona, United States
      • CORDOVA ENERGY COMPANY LLC Subsidiary · Des Moines, Iowa, United States
      • FLAT TOP WIND I, LLC Subsidiary · Des Moines, Iowa, United States
      • KERN RIVER GAS TRANSMISSION COMPANY Subsidiary · Salt Lake City, Utah, United States
      • MARIAH DEL NORTE LLC Subsidiary · Des Moines, Iowa, United States
      • MARSHALL WIND ENERGY LLC Subsidiary · Des Moines, Iowa, United States
      • MIDAMERICAN ENERGY SERVICES, LLC Subsidiary · Des Moines, Iowa, United States
      • NORTHERN NATURAL GAS COMPANY Subsidiary · Omaha, Nebraska, United States
      • PINYON PINES WIND I, LLC Subsidiary · Des Moines, Iowa, United States
      • PINYON PINES WIND II, LLC Subsidiary · Des Moines, Iowa, United States
      • SANTA RITA WIND ENERGY LLC Subsidiary · Des Moines, Iowa, United States
      • SARANAC POWER PARTNERS, L.P. Subsidiary · Wilmington, Delaware, United States
      • TX JUMBO ROAD WIND, LLC Subsidiary · Des Moines, Iowa, United States
    • MidAmerican Energy Company Des Moines, Iowa, United States
    • NEW ENGLAND ASSET MANAGEMENT, INC. Farmington, Connecticut, United States
    • PacifiCorp Portland, Oregon, United States
    • Precision Castparts Corp. Lake Oswego, Oregon, United States
      • Special Metals Corporation Subsidiary · New Hartford, New York, United States
      • AETC LIMITED Subsidiary · Leeds, United Kingdom
      • CALEDONIAN ALLOYS LIMITED Subsidiary · Livingston, United Kingdom
      • Cannon-Muskegon Corporation Subsidiary · Muskegon, Michigan, United States
      • Centra Industries Inc. Subsidiary · Cambridge, Ontario, Canada
      • J & L Fiber Services, Inc. Subsidiary · Waukesha, Wisconsin, United States
      • KALISTRUT AEROSPACE Subsidiary · Saint-Vallier, France
      • PCC Airfoils, S.A. DE C.V. Subsidiary · Merida, Mexico
      • PCC DISTRIBUTION JAPAN K. K. Subsidiary · Machida Shi, Japan
      • PCC Specialty Products, Inc. Subsidiary · Wexford, Pennsylvania, United States
      • PCC UK FINANCE LIMITED Subsidiary · Leicester, United Kingdom
      • PRECISION CASTPARTS CORP.FRANCE Subsidiary · Ogéu-Les-Bains, France
      • PRECISION CASTPARTS CZ S.R.O. Subsidiary · Plzen, Czechia
      • S. P. S. INTERNATIONAL LIMITED Subsidiary · Shannon, Ireland
      • SHUR-LOK INTERNATIONAL Subsidiary · Verviers, Belgium
      • SPECIAL METALS WIGGIN LIMITED Subsidiary · Hereford, United Kingdom
      • SPS AEROSTRUCTURES LIMITED Subsidiary · Nottingham, United Kingdom
      • SPS TECHNOLOGIES LIMITED Subsidiary · Leicester, United Kingdom
      • TARPEY-HARRIS LIMITED Subsidiary · Ripley, United Kingdom
      • THE S.P.S. INTERNATIONAL LIMITED PENSION AND LIFE ASSURANCE PLAN Subsidiary · Shannon, Ireland
      • TIMET UK LIMITED Subsidiary · Birmingham, United Kingdom
      • WESTERN AEROSPACE LIMITED Subsidiary · Perth, Australia
      • WESTERN AUSTRALIAN SPECIALTY ALLOYS PTY. LTD. Subsidiary · Perth, Australia
      • Wyman Gordon Monterrey S. de R.L. de C.V. Subsidiary · Guadalupe, Mexico
      • WYMAN-GORDON LIMITED Subsidiary · Hereford, United Kingdom
    • Berkshire Hathaway GUARD Insurance Companies Subsidiary
    • biBERK Business Insurance Subsidiary · Omaha, United States
    • Borsheim's Fine Jewelry Subsidiary · Omaha
    • Business Wire Subsidiary · San Francisco
    • BVD Subsidiary · United States
    • Central States Indemnity Subsidiary
    • Dairy Queen Subsidiary · Edina
    • International Metalworking Companies Subsidiary · Galilee
    • ISCAR Metalworking Subsidiary · Western Galilee
    • Kerite Company Subsidiary · Seymour
    • Kirby Company Subsidiary · Cleveland
    • Kraft Heinz Subsidiary · Pittsburgh, Pennsylvania, United States
      • 161 more
    • Marmon Group Subsidiary · Chicago
      • 1 more
    • Pilot Flying J Subsidiary · Knoxville
      • 1 more
    • Scott Fetzer Company Subsidiary
    • Teva Pharmaceutical Industries Ltd. Subsidiary · Tel Aviv, Israel
      • 40 more
    • H. J. Heinz Company Stake · 26.8% · Pittsburgh, Pennsylvania, United States
      • 4 more
    • American Express Stake · 15.6% · New York, New York, United States
      • AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC New York, New York, United States
        • 7 more
      • 56th Street AXP Campus LLC Subsidiary · Arizona, United States
      • AAC Statutory Trust Subsidiary · Delaware, United States
      • AE Exposure Management Limited Subsidiary · Jersey
      • AE Innovation Labs Holdings, LLC Subsidiary · Delaware, United States
      • AEOCC Funding Australia Limited Subsidiary · Jersey
      • AEOCC Management Company Limited Subsidiary · Jersey
      • American Express (India) Private Limited Subsidiary · India
      • American Express (Malaysia) SDN. BHD. Subsidiary · Malaysia
      • American Express (Thai) Company Limited Subsidiary · Thailand
      • American Express Argentina S.A. Subsidiary · Argentina
      • American Express Asia Network Consulting (Beijing) Limited Company Subsidiary · China
      • American Express Australia Limited Subsidiary · Australia
      • American Express Bank LLC Subsidiary · Moscow, Russia
      • AMERICAN EXPRESS BANKING CORP. Subsidiary · New York, New York, United States
      • AMEX (Middle East) QFC LLC Subsidiary · Qatar
      • AMEX Assurance Company Subsidiary · Illinois, United States
      • AMEX Insurance Agency (Taiwan) Inc. Subsidiary · Taiwan
      • AXP Insurance Master Trust Subsidiary · New York, United States
      • Loyalty Partner Solutions GmbH Subsidiary · München, Germany
      • and 78 more
    • Moody's Corporation Stake · 12.6% · New York, New York, United States
      • 166 more
    • and 287 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

The story

MidAmerican was formed in 1995 by the merger of the Iowa-Illinois Gas and Electric Company, the main electric and gas provider for southeastern Iowa, with Midwest Resources, the main power provider for central and western Iowa. Midwest Resources in turn, was formed in 1990 by the merger of Midwest Energy and Iowa Resources. Midwest Energy was the holding company for Iowa Public Service company (IPS), the main power provider for northwestern Iowa, while Iowa Resources was the holding company for Iowa Power and Light Company, the main power provider for central and southwestern Iowa.

By 2017, the company had 760,000 electric customers and over 740,000 natural gas customers.

From Wikipedia’s article on MidAmerican Energy Company, shared under CC BY-SA 4.0.5

Products and brands

  • electricity generation

Listed on Wikidata.1

Subsidiaries and ownership

Ultimate parent

Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Timeline

  1. 1995Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5