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American Electric Power Company, Inc. (AEP)
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The market capitalization for American Electric Power Company, Inc. (AEP) is $69.51 Billion, making it a Large Cap company. Market cap is calculated by multiplying the current stock price by the total number of shares outstanding.

Market Capitalization

$69.51B

$69.51 Billion

Calculation

Stock Price
$127.76
Shares Outstanding
544.11M
Market Cap
$69.51B

Market Cap = Price × Shares Outstanding

Size Classification

Large Cap

$10B - $1T

Companies with market capitalization between $10 billion and $1 trillion.

Market Cap Size Scale

Micro Cap

<$250M

Small Cap

$250M-$2B

Mid Cap

$2B-$10B

Large Cap

$10B-$1T

Mega Cap

>$1T

AEP Market Cap: $69.51 Billion

Related Valuation Metrics

Key Statistics

Market Cap$69.51 Billion
Stock Price$127.76
Shares Outstanding544.11M
Size CategoryLarge Cap
P/E Ratio18.87
P/B Ratio2.20
Data as of Wednesday, June 10, 2026

About American Electric Power Company, Inc.

American Electric Power Company, Inc. (AEP) operates as a prominent electric utility holding company, with its core business encompassing the generation, transmission, and delivery of electricity. Serving both retail and wholesale clients across the United States, AEP organizes its extensive operations into several key segments: Vertically Integrated Utilities, Transmission and Distribution Utilities, AEP Transmission Holdco, and Generation & Marketing. The firm produces its electrical power from a diverse portfolio of energy sources, including coal, lignite, natural gas, nuclear, hydroelectric, solar, and wind power, alongside other emerging technologies. Beyond direct consumer sales, AEP also functions as a major wholesale electricity supplier, providing power to other utility companies, rural electric cooperatives, municipalities, and various other participants within the energy market. Incorporated in 1906, the company's corporate headquarters are situated in Columbus, Ohio.

Columbus, OH
16,330 employees
Utilities / Regulated Electric
Sector
Utilities
Industry
Regulated Electric
CEO
William J. Fehrman