EX-21 4 ex2120234q.htm EX-21
Exhibit 21
Subsidiaries of
American Electric Power Company, Inc.
As of December 31, 2023
Each company shown indented is a subsidiary of the company immediately above which is not indented to the same degree. Subsidiaries not indented are directly owned by American Electric Power Company, Inc.

Name of Company |  | Location of Incorporation
American Electric Power Service Corporation |  | New York
AEP Energy Supply LLC |  | Delaware
AEP Energy Partners, Inc |  | Delaware
AEP Generation Resources Inc. |  | Delaware
AEP OnSite Partners, LLC |  | Delaware
AEP Generating Company |  | Ohio
AEP Transmission Holding Company, LLC |  | Delaware
AEP Transmission Company, LLC |  | Delaware
AEP Indiana Michigan Transmission Company, Inc |  | Indiana
AEP Ohio Transmission Company, Inc |  | Ohio
AEP Oklahoma Transmission Company, Inc |  | Oklahoma
AEP West Virginia Transmission Company, Inc |  | West Virginia
AEP Texas Inc. |  | Delaware
AEP Texas Central Transition Funding III LLC |  | Delaware
AEP Texas North Generation Company LLC |  | Delaware
AEP Texas Restoration Funding, LLC |  | Delaware
Appalachian Power Company |  | Virginia
Appalachian Consumer Rate Relief Funding LLC |  | Delaware
Indiana Michigan Power Company |  | Indiana
Kentucky Power Company |  | Kentucky
Kingsport Power Company |  | Virginia
Ohio Power Company |  | Ohio
Ohio Valley Electric Corporation |  | Ohio
Indiana-Kentucky Electric Corporation |  | Indiana
Public Service Company of Oklahoma |  | Oklahoma
Southwestern Electric Power Company |  | Delaware
Wheeling Power Company |  | West Virginia