Did you know that the United States of America has the most largest renewable power companies in the world, with six of the Top 10 utility companies based in the US, and that the world’s top three electricity producers are China, the United States, and Russia?

While there are many ways to define the largest electricity companies, such as the number of customers served or the geographical area covered, one of the best way to put their size in perspective is by ranking by market capitalization.

The below rankings, according to History of Computer online site, are based on each company’s market cap as of January 7, 2022. Also, keep in mind that some of these companies have other business segments outside of energy (such as gas or telecommunications) that could skew the results.

1. NEXTERA ENERGY with Mkt Cap of $169.6 Billion, located in Juno Beach, Florida, USA, is the largest renewable utility company in the world. The company is the result of Florida Power and Light’s mergers and acquisitions of other utility companies. NextEra is publicly traded on the New York Stock Exchange and delivers power to tens of millions of customers, including five million in Florida alone. NextEra has subsidiaries throughout the US, including Texas, North Dakota, Colorado, Oklahoma, Washington, and many others, and also owns and operates power generating stations, including nuclear, natural gas plants, solar and wind farms throughout the country.

2. DUKE ENERGY CORP. with Mkt Cap of $80.4 Billion is the second largest electric power and natural gas holding company headquartered in Charlotte, North Carolina, USA. The company acquired many of its subsidiaries by purchasing smaller power companies. In addition, Duke Energy also has overseas subsidiaries and generates power in a variety of ways, including fossil fuels and renewables. They also own numerous nuclear power and hydroelectric stations in the US. as well as renewable energy subsidiary that is committed to sustainable power generation.

3. ENEL with Mkt Cap of $79.8 Billion is the third largest utility and an international electricity generator and distributor that the Italian government started and went public on the Italian Stock Exchange, with the Italian government still owning a percentage. It has its headquarters in Rome. Some of its subsidiaries also deliver other services, such as telecommunications, throughout Europe and the world. While Enel started in Italy, its reach has grown worldwide as it generates and distributes power in dozens of countries across the globe. Its power generation relies on a mix of fossil fuel and renewable energy.

4. CHINA YANGTZE POWER with Mkt Cap of $79 Billion is a major utility company supplying power and other essential services to parts of China. The company is publicly traded on the Shanghai Stock Exchange and is partly owned by the China Three Gorges, a state-owned company. China Yangtze’s headquarters is in Beijing and sells power through the State Grid Corporation of China. The company is responsible for supplying hundreds of millions of citizens with electricity throughout most of central China, and also owns and operates the well-known three gorges dam, which is a hydroelectric power generator, hydroelectric and wind energy.

5. THE SOUTHERN CO. with Mkt Cap of $72.7 Billion is one of the US-based power and gas company that serves the southern part of the country. It is a publically traded Fortune 200 company. In total, The Southern Company provides power and gas to approximately nine million customers in six states. Their headquarters is located in Atlanta, Georgia, USA. It has amassed over a dozen subsidiaries which operate and manage numerous power stations, including nuclear plants. They also transmit and deliver power to their nearly 9 million customers, and own natural gas and telecommunications companies that provide a wide array of services.

6. IBERDROLA with Mkt Cap of $72.1 Billion is one of the largest international electrical utility based in Spain. Its headquarters is located in Bilbao, Spain, at the Iberdrola Tower. Its subsidiaries include a number of utilities that provide power across the globe, that includes telecommunications and natural gas. Some of the countries Iberdrola operates in include Brazil, the United Kingdom, the United States, Mexico, and Germany. Iberdrola is also one of the world’s largest wind power producers. In addition, they own numerous other power plants, including nuclear, thermal, and hydroelectric. Their largest wind farm is located in Texas, US, where it is the majority owner of Avangrid, headquartered in Orange, Ct, and serves customers in New York and throughout New England. It also delivers natural gas through subsidiaries.

7. DOMINION ENERGY with Mkt Cap of $65 Billion provides power to states along the East Coast and several other states in the USA. Headquartered in Virginia, it trades on the New York Stock Exchange as a Fortune 500 company. It has several subsidiaries, but its three main power businesses include Dominion Generation, Dominion Energy, and Dominion Virginia and North Carolina Power that manages power plants including oil, coal, natural gas, and nuclear. Dominion Energy (subsidiary) manages the natural gas business, including distribution, transmission, and storage; and also manages Dominion’s expansion into solar. Its parent company also operates oil and gas exploration and production through its Dominion Exploration and Production subsidiary.

8. VERBUND AG with Mkt Cap of $55.6 Billion is an Austrian electricity company publically traded on the Vienna Stock Exchange, but the Austrian government holds the majority ownership. In addition, Verbund AG owns Austrian Power Grid AG, which manages distribution and transmission for most of its service area. Verbund AG’s headquarters are in Vienna, Austria, and it trades with a dozen countries in the region. The company is responsible for supplying power to 40 percent of Austrians, with 90 percent of power coming from hydrogen. In addition, it also operates both wind farms and thermal power plants under their various subsidiaries.

9. EXELON CORP. with Mkt Cap of $55.4 Billion is another major US electricity provider, serving as a parent company to six electricity providers which include Commonwealth Edison, Baltimore Gas and Electric, Potomac Electric Power Company, Delmarva Power and Light, PECO Energy, and Atlantic City Electric. Together, they provide power to roughly 10 million customers across nine states. Exelon Corporation is a Pennsylvania company that resulted from the merger of PECO. But its headquarters is in the Chase tower in Chicago, Illinois, USA. The company is best known for being the largest US power generator and the biggest non-governmental owner of nuclear power plants.

10. PACIFICORP with Mkt Cap of $55 Billion, better known as Pacific Power and Light, supplies electricity to the west coast and parts of the midwest. The PacifiCorp headquarters is in Portland, Oregon, USA, at the Lloyd Center Tower. It provides power to nearly 2 million customers and splits its utility services between two subsidiaries, Pacific Power which covers services in California, Oregon, and Washington. The other subsidiary is Rock Mountain Power which provides power in Idaho, Utah, and Wyoming. PacifiCorp is a subsidiary of Berkshire Hathaway Energy, which owns several other energy companies.

Source: https://history-computer.com/the-largest-electricity-companies-in-the-world/

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