|Company||Market Cap (USD)|
|NextEra Energy||$165.53 B|
|Duke Energy Corporation||$88.76 B|
|American Electric Power Company, Inc.||$50.95 B|
|Xcel Energy Inc.||$39.76 B|
|Consolidated Edison, Inc.||$34.89 B|
Southern Company is an electric utility company. Through its subsidiaries, it serves 9 million natural gas and electric utility customers in Alabama, Georgia, Illinois, Mississippi, Tennessee, and Virginia. With origins dating back to 1924, it now operates multiple coal-fired, nuclear, and natural gas power plants as well as some renewable energy sources.
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.