American Electric Power : AEP Transmission Legal Structure (AEPTransmissionLegalStructure)

AEP

Published on 05/08/2026 at 07:58 pm EDT

AEP Transmission Company, LLC (AEP Transco) is wholly-owned by AEP Transmission Holding Company, LLC (AEP Transmission Holdco)

AEP Transmission Holdco is a wholly-owned subsidiary of American Electric Power Company, Inc. (AEP), one of the largest utility holding companies in the U.S.

AEP Transmission Company, LLC1 (AEP Transco)

Pioneer Transmission, LLC

Total $88M Net Plant

Electric Transmission America, LLC

Prairie Wind Transmission,

Electric Transmission Texas, LLC

Total $2,105M Net Plant

Transource Energy, LLC

Transource Missouri, LLC

Valley Link Transmission Co.

Total $7M Net Plant

Midwest Transmission

Holdings

AEP Transmission 80.1%

KKR/PSP 19.9%

AEP West

Virginia Transmission Co., Inc.

$3,116M

Net Plant

AEP

Kentucky Transmission Co., Inc.

$154M Net Plant

AEP

Oklahoma Transmission Co., Inc.

$2,016M

Net Plant

AEP

Appalachian Transmission Co., Inc.

$146M Net Plant

LLC

Total $30M Net Plant

Transource West

Virginia, LLC

Transource Maryland, LLC

AEP Indiana Michigan Transmission Co., Inc.

$3,570M Net Plant

AEP Ohio Transmission Co., Inc.

$6,061M Net Plant

Transource Pennsylvania, LLC

Transource Oklahoma, LLC

Total $9,631M Net Plant

Total $15,063M Net Plant

Total $581M Net Plant

1 Debt issued at AEP Transco level for transmission companies.

Net plant balances reflect AEP's ownership share for joint ventures, AEP Indiana Michigan Transmission Co, Inc and AEP Ohio Transmission Co, Inc. Net plant totals as of 03/31/2026.

Joint Venture

Disclaimer

AEP - American Electric Power Company Inc. published this content on May 08, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on May 08, 2026 at 23:57 UTC.