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.
American Electric Power, Inc.
AEP Transmission Holding Co. LLC (AEP Transmission Holdco)
AEP Transmission Company, LLC (AEP Transco)1
Pioneer Transmission, LLC
Electric Transmission America, LLC
Transource Energy, LLC
Electric Transmission Texas, LLC
Grid Assurance
AEP West Virginia Transmission Co., Inc.
$3,050M Net Plant
Midwest Transmission Holdings
AEP Transmission 80.1%
KKR/PSP 19.9%
$87M Net Plant
$2,012M
Transource West Virginia, LLC
Transource Missouri, LLC
Net Plant
$30M Net Plant
Prairie Wind Transmission, LLC
Transource Maryland, LLC
AEP
Appalachian Transmission Co., Inc.
$146M Net Plant
AEP
Oklahoma Transmission Co., Inc.
$1,956M Net Plant
AEP Kentucky Transmission Co., Inc.
$156M Net Plant
AEP Indiana Michigan Transmission Co., Inc.2
$3,488M Net Plant
AEP Ohio Transmission Co., Inc.2
$5,660M Net Plant
Joint Venture
Transource Pennsylvania, LLC
$14,456M Net Plant
$548M Net Plant
Transource Oklahoma, LLC
Joint Venture net plant balances reflect AEP's portion.
Net plant totals as of 9/30/2025.
1 Debt issued at AEP Transco level for transmission companies.
2 In January 2025, AEP announced the Ohio and I&M minority interest transaction on the transmission businesses; this transaction
closed in June 2025. Net Plant presented reflects AEP's ownership share.
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AEP - American Electric Power Company Inc. published this content on November 07, 2025, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on November 07, 2025 at 22:07 UTC.
American Electric Power Company, Inc. is one of the leading American electricity producers and distributors. Net sales break down by activity as follows:
- electricity production, transport and distribution (69.7%): owns, at the end of 2025, a production capacity of 25,400 MW;
- development, construction and operation of transmission facilities (27.9%);
- other (2.4%).
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Investor
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Quality
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ESG MSCI
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