Top Utilities Companies in S&P 500 List by Market Cap as of August 2026

DOMINION ENERGY is Energy company and Electricity Utility company with businesses in electricity and natural gas supply.

As on 2022, DOMINION ENERGY has 17,200 employees.

DOMINION ENERGY annual revenue generated for period ending Dec-2022 was 17,174 million USD.

DOMINION ENERGY annual net income generated for period ending Dec-2022 was 901 million USD.

ONEOK is Natural Gas Processing, transmission and Distribution ( Gas Utility ) company with headquarters is in Oklahoma, USA.

As on 2022, ONEOK has 2,966 employees.

ONEOK annual revenue generated for period ending Dec-2022 was 22,386 million USD.

ONEOK annual net income generated for period ending Dec-2022 was 1,721 million USD.

SEMPRA ENERGY is Electric Utility and Gas Utility company with headquarters is in California, USA.It is an energy infrastructure company focused on connecting millions through the power of people, developing, building, operating and investing in clean power, energy networks, ideas and innovation. Sempra’s mission is to be North America’s premier energy infrastructure company. The Sempra family of companies have 20,000 talented employees who deliver energy with purpose to nearly 40 million consumers.

Electric Power Generation and Electricity Distribution (Electric Utility) company with headquarters is in USA.

As on 2022, ENTERGY CORPORATION has 11,707 employees.

ENTERGY CORPORATION annual revenue generated for period ending Dec-2022 was 13,764 million USD.

ENTERGY CORPORATION annual net income generated for period ending Dec-2022 was 1,103 million USD.

Xcel Energy is Electric Utility and Gas Utility company with headquarters is in USA.

Exelon Corporation is Energy and Power Generation company with headquarters is in USA. They have nuclear power plants in USA to generate nuclear energy.Exelon is the nation’s largest utility company, serving more than 10 million customers.

EXELON CORPORATION have six fully regulated transmission and distribution utilities, They are:

CONSOLIDATED EDISON is Electricity Utility and Gas Utility company with headquarters is in USA.

As on 2022, CONSOLIDATED EDISON has 14,319 employees.

CONSOLIDATED EDISON annual revenue generated for period ending Dec-2022 was 15,670 million USD.

CONSOLIDATED EDISON annual net income generated for period ending Dec-2022 was 1,660 million USD.

PUBLIC SERVICE ENTERPRISE GROUP is Electricity Generation, Electric Utility and Gas Utility company with headquarters is in USA.

As on 2022, PUBLIC SERVICE ENTERPRISE GROUP has 12,525 employees.

PUBLIC SERVICE ENTERPRISE GROUP annual revenue generated for period ending Dec-2022 was 9,800 million USD.

PUBLIC SERVICE ENTERPRISE GROUP annual net income generated for period ending Dec-2022 was 1,031 million USD.

Electricity and natural gas supplying company with headquarters is in Wisconsin, USA.

As on 2022, WEC ENERGY GROUP has 7,022 employees.

WEC ENERGY GROUP annual revenue generated for period ending Dec-2022 was 9,597 million USD.

WEC ENERGY GROUP annual net income generated for period ending Dec-2022 was 1,408 million USD.

Electricity Utility and Gas Utility company with headquarters is in USA.

As on 2022, AMEREN CORPORATION has 5,600 employees.

AMEREN CORPORATION annual revenue generated for period ending Dec-2022 was 7,957 million USD.

AMEREN CORPORATION annual net income generated for period ending Dec-2022 was 1,074 million USD.