List of Top Electricity Generation Companies in USA by Market Cap as on Jan 1st, 2020

ExxonMobil is the largest publicly traded international oil and gas company, uses technology and innovation to help meet the world’s growing energy needs. They hold an industry-leading inventory of resources and are one of the world’s largest integrated refiners, marketers of petroleum products and chemical manufacturers. Produces Petrochemicals, Diesel, Plastics and Gasoline. Headquarters is in USA. ExxonMobil  brands are Exxon, Esso and Mobil.

As on 2021 Company facts :

Chevron Corporation is USA based Multi-National Energy Company. Chevron is one of the world’s leading integrated energy companies producing safe, reliable energy now and for the future. It  deliver affordable, reliable and ever-cleaner energy – essential to modern life for billions of people around the world. Headquarters is in USA.

Chevron Corporation annual revenue generated for period ending Dec-2021 was 155.60 million USD.

NEXTERA ENERGY is USA based Energy, Power, Electricity Generation and Utilities company. NextEra Energy, Inc is World's Largest Producer of Renewable, Wind and Solar Energy. Headquarters is in USA.

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

DUKE ENERGY CORPORATION is Electricity generation and Electric utility (electricity distribution) company with headquarters in North Carolina, USA. DUKE ENERGY CORPORATION electric utilities serve 8.2 million customers in North Carolina, South Carolina, Florida, Indiana, Ohio and Kentucky, and collectively own 50,000 megawatts of energy capacity.

THE SOUTHERN COMPANY is Gas and Electric Utility company with headquarters in Georgia, USA and its have businesses of millions of customers nationwide.

It support 9 million customers and businesses nationwide with electric utilities in three states and natural gas distribution utilities in four, and provide wholesale energy, customized distributed energy solutions and fiber optics and wireless communications across the country.

AMERICAN ELECTRIC POWER COMPANY is Electricity generation and Electricity Utility company with headquarters in USA.

As on 2021, SEMPRA ENERGY  Approx 16,700 employees.

Generating capacity in 2021: 26,000 megawatts.

U.S. electricity sales in 2021: 188 million megawatt hours.

Miles of transmission lines in 2021: 40,000.

Miles of distribution lines in 2021: 224,000.

Exelon Corporation is Energy and Power Generation company with headquarters 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 in USA.