American Electric Power Company, Inc., or AEP for short, is one of the largest energy companies in the United States. The company powers parts of 11 states in the United States and employs around 17,666 people.
As of May 2026 American Electric Power has a market cap of ยฃ51.09 Billion. This makes American Electric Power the world's 359th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On May 14th, 2026 the market cap of American Electric Power was reported to be: