American Electric Power (AEP) is a large U.S. regulated electric utility company operating vertically integrated utilities, transmission & distribution utilities (including AEP Transmission Holdco), and generation & marketing businesses, providing generation, transmission, distribution and related services; in 2025 it reported $21.876 billion of revenue and a net loss of $3.696 billion.

# American Electric Power

Summary of the company identity, business segments, and report sections reflected in the excerpt.

## Company identity
- References American Electric Power (AEP), its business sections, executive officers, and disclosures.

## Business segments
- Vertically Integrated Utilities
- Transmission and Distribution Utilities
- AEP Transmission Holdco
- Generation & Marketing

## Executive officers
- Executive Officers of AEP

## Risk management and disclosure
- 1A Risk Factors
- 1B Unresolved Staff Comments
- 1C Cybersecurity

## Properties
- Generation Facilities
- Transmission and Distribution Facilities
- Title to Property
- System Transmission Lines and Facility Siting
- Construction Program
- Potential Uninsured Losses

## Legal and safety disclosures
- 3 Legal Proceedings
- 4 Mine Safety Disclosure

AEP Transmission Company, LLC

10-K / February 12, 2026

American Electric Power

Company identity

Business segments

Executive officers

Risk management and disclosure

Properties

Legal and safety disclosures