|Company||Market Cap (USD)|
|NextEra Energy||$166.13 B|
|Duke Energy Corporation||$79.86 B|
|The Southern Company||$77.74 B|
|Xcel Energy Inc.||$38.37 B|
|PG&E Corporation||$34.92 B|
American Electric Power, also known by the acronym AEP, is an electric utility company. Tracing its origins to 1906, AEP now operates in power generation primarily with coal-fueled power plants, but also with natural gas and nuclear plants, and wind, hydro, pumped storage, and other sources. It is also involved in power transmission and delivery through local subsidiaries in Ohio, Texas, Tennessee, West Virginia, Indiana, Michigan, Kentucky, Oklahoma, Arkansas, and Louisiana.
The market capitalization of a company, more simply referred to as "market cap", is the total market value of a publicly traded company's outstanding shares. It is often considered as a key indicator of what a company is worth.