Top 10 Energy Companies in the United States

Energy companies form an integral part of the American economy, powering individuals and businesses for the comfort and technologies used on a daily basis. United States – a front-runner in production, supply and consumption of energy producing oil, natural gas, coal, renewable fuels, electricity from clean energy sources, such as wind, solar, hydropower, geothermal, and nuclear power. U.S. energy companies transmit, distribute, and store energy through complex infrastructure networks that are supported by emerging products and services such as smart grid technologies. Growing consumer demand and world-class innovation – combined with a competitive workforce and supply chain capable of building, installing, and servicing all energy technologies – make the United States one of the world’s most attractive markets. Herein, we have listed the top 10 Energy companies in the United States based on their market valuation.

1. ExxonMobil

Exxon Mobil Corporation (, commonly known as ExxonMobil, is the world’s largest energy company, operating in the exploration, production, transportation, and sale of crude oil and natural gas. The current market capitalization of ExxonMobil Corporation is $260.264 Billion.

2. Chevron

Chevron Corporation ( headquartered in San Ramon, California spread across 180 countries involved in every aspect of the oil, natural gas, and geothermal energy industries including hydrocarbon exploration and production; refining, marketing and transport, chemicals manufacturing, sales and power generation. Current market cap is $205.991 Billion.

3. NextEra Energy

NextEra Energy, Inc. ( ) is an electric utility company particularly involved in renewable energies. It generates electricity around 46 gigawatts. NextEra Energy is the world’s largest utility company, operating the world’s largest generator of wind and solar renewable energy, together with natural gas, nuclear energy, and oil power plants through its subsidiaries. It distributes power to 5 million customers throughout the United States and Canada. The current market cap of this company is $131.745 Billion

4. Southern Company

Southern Company ( headquartered in Atlanta, Georgia, with executive offices located in Birmingham, Alabama is an electric utility and gas company. It is through its subsidiaries, serves 9 million natural gas and electric utility customers in Alabama, Georgia, Illinois, Mississippi, Tennessee, and Virginia. it now operates multiple coal-fired, nuclear, and natural gas power plants as well as some renewable energy sources. The company is currently the second largest utility company in the U.S. in terms of customer base. Current market cap of Southern Company is $71.712 Billion

5. Dominion Energy

Dominion Energy, Inc., ( ) also more simply known as Dominion, is an electric and natural gas utility company. It operates in power generation with a number of nuclear, natural gas, coal-fired and hydroelectric plants, and solar farms, transmission and delivery of natural gas in Utah, Wyoming, and Idaho, and electricity to 2.6 million customers in Virginia and North Carolina. Recently Dominion acquired Questar Corporation in the Western United States, including parts of Utah and Wyoming. It’s current market cap is $70.307 Billion.

6. Duke Energy

Duke Energy Corporation ( ) is an electric and natural gas utility company. It is headquartered in Charlotte, North Carolina. Duke Energy now manages a number of nuclear, coal-fired, hydroelectric, oil and gas-fired plants, solar and wind farms, with more than 51,000 megawatts of capacity, and distributes electricity to 7.7 million customers in Ohio, Kentucky, Indiana, North and South Carolina, Florida, Tennessee, and Puerto Rico. It also serves more than 1.6 million natural gas customers in Ohio, Kentucky, Tennessee, and the Carolinas. The current market capitalization is $70.184 Billion

7. ConocoPhillips

ConocoPhillips ( ) is a company specialized in oil and gas exploration and production with the current market cap of ConocoPhillips is $62.912 Billion. It is situated in the Energy Corridor district of Houston, Texas. ConocoPhilips is now a global leader in exploration, production, and transport to market with a geographical segment present in Alaska, the 48 U.S. states, Latin America, Canada, Europe, Asia Pacific, the Middle East, and other locations.

8. American Electric Power

American Electric Power ( ), also known by the acronym AEP, is an electric utility company. Current market cap of American Electric power is $50.057 Billion. It operates in power generation with coal-fueled power plants, natural gas and nuclear plants, and wind, hydro, pumped storage, and other sources. It is also involved in power transmission and delivery to more than 5 million customers through local subsidiaries in Ohio, Texas, Tennessee, West Virginia, Indiana, Michigan, Kentucky, Oklahoma, Arkansas, and Louisiana.

9. Kinder Morgan

Kinder Morgan, Inc. ( ) is an energy company specialized in oil and gas pipelines and terminals. Current market cap of Exelon corporation is $47.926 Billion. Moreover, it transports natural gas, refined petroleum products, crude oil, carbon dioxide, and more through approximately 83,000 miles of pipelines across the U.S. and Canada, and handles a variety of raw and refined products in its 147 terminals, including gasoline, jet fuel, ethanol, coal, petroleum coke, and steel.

10. Exelon

Exelon ( is an electric utility company working in every stage of the energy value chain including power generation, competitive energy sales, transmission and delivery. It’s headquartered in Chicago, Illinois and incorporated in Pennsylvania. Current market cap of Exelon corporation is $46.846 Billion. It delivers electricity and natural gas to approximately 10 million customers in Delaware, the District of Columbia, Illinois, Maryland, New Jersey and Pennsylvania through its Atlantic City Electric, BGE, ComEd, Delmarva Power, PECO and Pepco subsidiaries. Exelon is one of the largest competitive U.S. power generators, with more than 31,000 megawatts of nuclear, gas, wind, solar and hydroelectric generating capacity comprising one of the nation’s cleanest and lowest-cost power generation fleets for approximately 33,400 people nationwide


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