|Company||Market Cap (USD)|
|NextEra Energy||$165.53 B|
|Duke Energy Corporation||$88.76 B|
|The Southern Company||$78.38 B|
|American Electric Power Company, Inc.||$50.95 B|
|Xcel Energy Inc.||$39.76 B|
Edison International is an electric power producer and distributor. Tracing its origins to 1886, it now primarily operates through two subsidiaries: Southern California Edison which produces energy, including renewable energy, and distributes it to about 15 million in Southern California, and Edison Energy which provides energy advisory and services to large energy users.
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.