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Home > Profiles > Investor Owned Utilities Directory

Investor Owned Utilities Directory

Type the company name in the search box or filter the list alphabetically by clicking on a letter below. For detailed information on an individual company, simply click on the company name or its subsidiary shown in blue.
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Currently filtered by: "a" on Holding Company
Filter List by: a b c d e f g h i j k l m n o p q r s t u v w x y z

Holding Company
  Regulated Subsidiary(ies)
AES Corporation
  DPL, Inc.
Indianapolis Power & Light Company
IPALCO Enterprises, Inc.
AGL Resources
Alaska Energy & Resources Company
  Alaska Electric Light and Power Company
Allete Inc.
  Minnesota Power Inc.
Superior Water, Light and Power Companies
Alliant Energy Corporation
  Interstate Power & Light Company
Wisconsin Power & Light Company
Wisconsin River Power Company
Ameren Corporation
  Ameren Illinois (formerly AmerenCILCO)
Ameren Illinois (formerly AmerenCIPS)
Ameren Illinois (formerly AmerenIP)
Electric Energy, Inc.
Union Electric Company
American Electric Power Company, Inc. (AEP)
  AEP Generating Company
AEP Public Service Company of Oklahoma
AEP Southwestern Electric Power Company
AEP Texas Central Company
AEP Texas North Company
Appalachian Power Company
Columbus Southern Power Company
Indiana Michigan Power Company
Kentucky Power Company
Kingsport Power Company
Michigan Power Company
Ohio Power Company
Ohio Valley Electric Corporation
Wheeling Power Company
American States Water Company
  Southern California Water Company
ATCO Limited
Atmos Energy Corporation
  Greeley Gas
Missouri Natural Gas
Oceana Heights Gas
Avista Corporation
  Washington Water Power Company

Sources: PR Newswrie, Business Wire, 10k Filings, Public Data, EIA

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