AMERICAN ELECTRIC POWER CO INC
American Electric Power Company, Inc. (AEP; railcar reporting mark: AEPX) is an American domestic electric utility company in the United States. It is one of the largest electric utility companies in the country, with more than five million customers in 11 states.
Basic company information
Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.
- Ticker / security symbols
- AEP [1]
- Listing exchanges
- Nasdaq [1]
- SEC industry
- Electric Services [1]
- Business sectors
- public utility; electric power generation, transmission and distribution; electricity generation [2]
- Company / filing name
- AMERICAN ELECTRIC POWER CO INC [1]
- Headquarters location
- Columbus; Jersey City [2]
- Business address
- 1 RIVERSIDE PLAZA, COLUMBUS, OH, 43215 [1]
- Founded
- 1927-08; 1958; 1906 [2]
- Legal form
- New York Business Corporation; Delaware corporation [2]
- Incorporation jurisdiction
- New York, United States [1]
- Official website
- www.aep.com ↗ [2]
- Fiscal year end
- December 31 (SEC record) [1]
- ISIN (reported securities)
- US0255371017 [2]
- CIK
- 0000004904 [1]
- SIC code
- 4911 [1]
- Country in background record
- United States [2]
Company positioning and business
American Electric Power Company, Inc. (AEP; railcar reporting mark: AEPX) is an American domestic electric utility company in the United States. It is one of the largest electric utility companies in the country, with more than five million customers in 11 states. [3]
American Electric Power Company is one of the nation's largest generators of electricity, owning nearly 38,000 megawatts of generating capacity in the United States. AEP also owns the nation's largest electricity transmission system, a nearly 39,000-mile (63,000 km) network that includes more 765 kilovolt ultra-high voltage transmission lines than all other U.S. transmission systems combined. AEP's transmission system directly or indirectly provides about 10 percent of the electricity demand in the Eastern Interconnection, the interconnected transmission system that covers 38 eastern and central U.S. states and eastern Canada, and approximately 11 percent of the electricity demand in the Electric Reliability Council of Texas, the transmission system that covers much of Texas. [3]
AEP's utility units operate as, AEP Texas, Appalachian Power (in Virginia, West Virginia, and Tennessee), Indiana Michigan Power, Kentucky Power, Ohio Power Company, Public Service Company of Oklahoma, and Southwestern Electric Power Company (in Arkansas, Louisiana and east Texas). AEP's headquarters are in Columbus, Ohio. [3]
Background text: Wikipedia contributors, American Electric Power. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.
Financial year, securities and disclosures
The SEC submissions record gives AMERICAN ELECTRIC POWER CO INC a fiscal year end of 1231 (MMDD). Individual filings below identify their own reporting period; the filing date is the publication event, not the financial year end. [1]
Listed securities: AEP (Nasdaq). Multiple symbols may represent different share classes or securities of the same registrant. [4]
History and key events
Form 10-K filed; reporting period ends 2025-12-31. [5]
Financial results and regulatory disclosures
Annual, quarterly and current reports from the collected SEC record. Insider Forms 4 and 144 are excluded. This is a selected list, not a live filing feed.
Source-verified relationships
Companies in the same industry
Comparison candidates share the SEC SIC classification 4911. This does not imply ownership, partnership or trading relationships.
Related entities and concepts
Frequently asked questions
When was AMERICAN ELECTRIC POWER CO INC founded?
Founded: 1927-08; 1958; 1906. The linked source provides the background record. [2]
Where is the headquarters of AMERICAN ELECTRIC POWER CO INC?
Headquarters location: Columbus; Jersey City. The linked source provides the background record. [2]
Which business sectors are recorded for AMERICAN ELECTRIC POWER CO INC?
Business sectors: public utility; electric power generation, transmission and distribution; electricity generation. The linked source provides the background record. [2]
AMERICAN ELECTRIC POWER CO INC relationship map
Select a node to inspect its relationship and source.
2 verified direct relationships. Industry peers are not relationship edges.
Sources and review dates
- SEC — AMERICAN ELECTRIC POWER CO INC filing identity and securities ↗
- Wikidata — company background record (CC0) ↗
- Wikipedia contributors — American Electric Power (CC BY-SA 4.0) ↗
- SEC securities directory ↗
- Company chronology / filing ↗
Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.