EX-21 22 ex21.htm SUBSIDIARIES OF AEP ex21.htm
EXHIBIT 21
Subsidiaries of
American Electric Power Company, Inc.
As of December 31, 2011
The voting stock of each company shown indented is owned by the company immediately above which is not indented to the same degree.  Subsidiaries not indented are directly owned by American Electric Power Company, Inc.

   
Percentage of
   
Voting Securities
 
Location of
Owned by
Name of Company
Incorporation
Immediate Parent
American Electric Power Company, Inc.
New York
   
American Electric Power Service Corporation
New York
100.0
 
AEP C&I Company, LLC
Delaware
100.0
 
AEP Coal, Inc.
Nevada
100.0
 
AEP Credit, Inc.
Delaware
100.0
 
AEP Fiber Venture, LLC
Virginia
100.0
 
AEP Generating Company
Ohio
100.0
 
AEP Investments, Inc.
Ohio
100.0
 
AEP Nonutility Funding LLC
Delaware
100.0
 
AEP Pro Serv, Inc.
Ohio
100.0
 
AEP Resources, Inc.
Ohio
100.0
 
AEP T&D Services, LLC
Delaware
100.0
 
AEP Transmission Holding Company, LLC
Delaware
100.0
 
AEP Utilities, Inc.
Delaware
100.0
 
AEP Texas Central Company
Texas
100.0
 
AEP Texas Central Transition Funding LLC
Delaware
100.0
 
AEP Texas Central Transition Funding II LLC
Delaware
100.0
 
AEP Texas North Company
Texas
100.0
 
AEP Texas North Generation Company LLC
Delaware
100.0
 
CSW Energy, Inc.
Texas
100.0
 
CSW Energy Services, Inc.
Delaware
100.0
 
Electric Transmission Texas, LLC
Delaware
        50.0
(a)
AEP Utility Funding LLC
Delaware
100.0
 
Appalachian Power Company
Virginia
100.0
 
Cedar Coal Co.
West Virginia
100.0
 
Central Appalachian Coal Company
West Virginia
100.0
 
Central Coal Company
West Virginia
50.0
(b)
Southern Appalachian Coal Company
West Virginia
100.0
 
Franklin Real Estate Company
Pennsylvania
100.0
 
Indiana Michigan Power Company
Indiana
100.0
 
Blackhawk Coal Company
Utah
100.0
 
Price River Coal Company
Indiana
100.0
 
Kentucky Power Company
Kentucky
100.0
 
Kingsport Power Company
Virginia
100.0
 
Ohio Power Company
Ohio
100.0
 
AEP Generation Resources Inc.
Delaware
100.0
 
Cardinal Operating Company
Ohio
50.0
(c)
Central Coal Company
West Virginia
50.0
(b)
Conesville Coal Preparation Company
Ohio
100.0
 
Distribution Vision 2010, LLC
Delaware
22.9
(d)
Ohio Valley Electric Corporation
Ohio
4.3
(e)
Indiana-Kentucky Electric Corporation
Indiana
100.0
 
OP Gavin, LLC
Delaware
100.0
 
Ohio Valley Electric Corporation
Ohio
39.2
(e)
Indiana-Kentucky Electric Corporation
Indiana
100.0
 
Power Tree Carbon Company, LLC
Delaware
12.0
(f)
Public Service Company of Oklahoma
Oklahoma
 100.0
 
Southwestern Electric Power Company
Delaware
100.0
 
Arkansas Coalition for Affordable & Reliable Electricity, LLC
Arkansas
50.0
(g)
Dolet Hills Lignite Company, LLC
Delaware
100.0
 
Oxbow Lignite Company, LLC
Delaware
50.0
(g)
Southwestern Arkansas Utilities Corporation
Arkansas
100.0
 
The Arklahoma Corporation
Arkansas
47.6
(h)
Wheeling Power Company
West Virginia
100.0
 


NOTES:

(a)
Owned 50% by AEP Utilities, Inc and 50% by nonaffiliated companies.
(b)
Owned 50% by Appalachian Power Company and 50% by Ohio Power Company.
(c)
Owned 50% by Ohio Power Company and 50% by a nonaffiliated company.
(d)
Owned 22.9% by Ohio Power Company and 77.1% by nonaffiliated companies.
(e)
American Electric Power Company, Inc. and Ohio Power Company own 39.2% and 4.3% of the stock, respectively, and the remaining 56.5% is owned by nonaffiliated companies.
(f)
The remaining 88% is owned by nonaffiliated companies.
(g)
Owned 50% by Southwestern Electric Power Company and 50% by a nonaffiliated company.
(h)
Owned 47.6% by Southwestern Electric Power Company and 52.4% by nonaffiliated companies.