Umair Gaines
The electric utility industry is one of the most important sectors in the United States, delivering electricity to millions of homes and businesses across the country. There are around 1,600 to 1,700 electric utility companies in the US, and the largest of these by market capitalization is NextEra Energy, with a valuation of over $120 billion as of November 2023. NextEra Energy has about 58 GW of generating capacity and revenues of over $18 billion in 2020. Other large US electric utility companies include Southern Company, NRG Energy, Calpine Corp, Exelon, Duke Energy, Pacific Gas & Electric (PG&E), and DTE.
| Characteristics | Values |
|---|---|
| Largest electric utility company in the US by market capitalization | NextEra Energy |
| Largest electric utility company in the US by number of customers | Exelon |
| Largest investor in Exelon | Not found |
| Largest electric utility company in the US by number of hedge funds polled by Insider Monkey that have invested in the company | DTE Energy Company |
| Largest investor in DTE Energy Company | Israel Englander's Millennium Management |
| Largest electric utility company in the US by market capitalization as of December 23, 2022 | Entergy Corporation |
| Largest investor in Entergy Corporation | Israel Englander's Millennium Management |
| Largest electric utility company in Italy | Not found |
| Largest electric utility company in the world by number of customers | Not found |
| Largest electric utility company in the UK | Constellation |
| Largest electric utility company in the US by number of customers | Southern Company |
| Largest electric utility company in Illinois | ComEd |
| Largest electric utility company in New York | Consolidated Edison Company |
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What You'll Learn
Exelon: the nation's leading energy provider
Exelon is the nation's leading energy provider, serving more than 10 million customers across the United States. The company ranks high in customer satisfaction and is committed to modernizing its energy infrastructure to provide reliable and efficient energy services. With a focus on innovation and sustainability, Exelon is dedicated to shaping a cleaner and more resilient energy future for its customers.
As one of the largest electric utility companies in the US, Exelon plays a crucial role in delivering electricity to homes and businesses nationwide. The company's scale and reach are vast, with operations spanning multiple states and a diverse customer base. Exelon's commitment to customer satisfaction sets it apart in the industry, and its investments in modernizing its infrastructure ensure reliable and efficient energy delivery.
Exelon understands the importance of sustainability and is actively transitioning to renewable energy sources. The company recognizes that the world is moving towards a more sustainable future, and it is committed to being at the forefront of this transition. By investing in renewable energy projects and innovative technologies, Exelon is working to reduce its carbon footprint and provide cleaner energy solutions for its customers.
In addition to its focus on sustainability, Exelon prioritizes community engagement and economic development. The company strives to have a positive impact on the communities it serves through various initiatives. This includes supporting local businesses, promoting economic growth, and investing in community development projects. Exelon's dedication to its customers and communities, along with its commitment to modernizing the energy sector, solidifies its position as the nation's leading energy provider.
Exelon's size and influence in the energy industry are undeniable, and the company continues to set itself apart through its commitment to innovation, sustainability, and customer satisfaction. As the nation's leading energy provider, Exelon is shaping the future of energy in the United States, powering homes and businesses with reliable, efficient, and increasingly renewable energy.
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Pacific Gas & Electric (PG&E): one of the oldest electric supply companies
Pacific Gas & Electric (PG&E) is one of the oldest electric supply companies in the United States, having been in operation for over a century. The company is headquartered in San Francisco, California, and serves approximately 5.5 million electric customers on the West Coast, with nearly as many gas accounts.
PG&E's history can be traced back to the 1850s when manufactured gas was first introduced to the United States for lighting. At that time, larger cities in the east had built gasworks, while the west lacked a gas industry. San Francisco, for example, had street lights only on Merchant Street, in the form of oil lamps. Three brothers, Peter, James, and Michael Donahue, who ran the Union Iron Works foundry, became interested in manufacturing gas. Along with Joseph G. Eastland, an engineer and clerk at the foundry, they gathered information and applied to the Common Council of the City of San Francisco for a franchise to erect a gasworks.
Over the years, PG&E has diversified its energy sources, including nuclear power and natural gas. In the 1950s and 1960s, the company worked on obtaining approval for importing natural gas from Alberta, Canada, to California via a 1,400-mile pipeline. During this period, PG&E also began construction on the Diablo Canyon Power Plant, a nuclear facility. The plant's opening was delayed due to environmental protests and safety concerns, and it eventually began energy production in 1985.
PG&E operates through various subsidiaries, including Pacific Gas and Electric Company, PG&E National Energy Group, PG&E Energy Trading, and PG&E Gas Transmission Corporation. The company markets its energy services throughout North America and has competitors such as Duke Energy, Dynegy, and Reliant Energy. PG&E's subsidiaries are involved in the construction and management of power plants and the ownership and operation of pipelines for natural gas transmission.
In the early 2000s, PG&E faced challenges due to the California energy crisis and the movie "Erin Brockovich," which portrayed the company's role in polluting groundwater in Hinkley, California. Despite these setbacks, PG&E has continued to play a significant role in the energy sector, serving millions of customers and working towards limiting its carbon footprint through initiatives like its Smart Grid technology.
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NextEra: largest electricity utility company by market capitalization
The largest electric utility company varies depending on the metric used. When considering market capitalization, NextEra is the largest electricity utility company. NextEra is focused on shaping the future through substantial investments in infrastructure and the generation of more wind and solar energy than its competitors. The company is also heavily involved in research on battery energy storage technology and its applications. NextEra is one of the largest electricity utility companies and owns the largest electricity transmission system in the United States.
Other large electric utility companies in the United States include Exelon, which serves over 10 million customers, and Pacific Gas & Electric (PG&E), which serves 5.5 million electric customers on the West Coast. DTE Energy Company, headquartered in Detroit, Michigan, has over two million customers, while Ameren Corporation, based in Missouri, transmits electricity and gas and produces its own power, aiming to supply 40,000 homes through a massive 200-megawatt solar power installation in Missouri by 2024.
In terms of customer base, the Southern Company, operating out of Atlanta, Georgia, has a customer base of around 9 million, while Duke Energy serves 8.5 million customers across six states.
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DTE: one of the largest energy companies in the US
With technology playing an enormous role in our daily lives, we are heavily reliant on electricity providers. The electric utility industry is one of the most important sectors in the United States, delivering electricity to homes and businesses across the country.
DTE Energy Company (NYSE: DTE), formerly known as Detroit Edison, is one of the largest energy companies in the US. Headquartered in Detroit, Michigan, DTE serves a little over two million customers. The company is focused on creating and distributing electricity and natural gas.
DTE is a diversified energy company, also involved in developing and managing energy-related businesses, including non-utility organizations. They are committed to supporting the communities they serve through philanthropy, volunteerism, and economic progress. DTE is a parent company to both the regulated utility Southern California Edison and the non-regulated energy services company, Edison Energy.
DTE has a long history, with its origins dating back to the late 1800s, making it one of the oldest energy companies in the country. The company is committed to sustainability and transparency, providing annual reports on its economic impact, diversity, community investment, and other important factors.
In December 2022, DTE announced its shift towards renewable energy by adding 400 megawatts of solar electric power in Michigan. This move aligns with the broader trend in the energy industry, as outlined by the International Energy Agency (IEA), which reported that the energy crisis resulting from the Ukraine war has accelerated the transition to renewables.
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Ameren Corporation: a Missouri-based utility company
NextEra Energy is the largest electric utility holding company in the world by market capitalization, with a valuation of over $120 billion as of November 2023. However, Ameren Corporation, a Missouri-based utility company, is also one of the major players in the US energy sector. Ameren Corporation is a Fortune 500 company listed on the New York Stock Exchange as AEE. The company was formed in 1997 through the merger of Missouri's Union Electric Company and the Central Illinois Public Service Company, though its roots go back to 1902. Ameren has a workforce of over 9,000 people and serves 2.4 million electricity customers and 900,000 natural gas customers across a 64,000-square-mile area.
Ameren Missouri, its subsidiary, is the largest electric power provider in the state of Missouri. Ameren Illinois, another subsidiary, is the third-largest natural gas distribution operation in Illinois in terms of customer numbers. Ameren Transmission Company, based in St. Louis, is responsible for designing and building regional transmission projects. Ameren's subsidiaries also include Illinois Power, CIPS, and Cilco, which merged to form Ameren Illinois, and AmerenUE, which changed its name to Ameren Missouri.
Ameren's net capacity is approximately 10,000 megawatts of electricity, and it owns over 8,000 transmission miles across its operating companies and various energy markets. Ameren's rates are among the lowest in the nation. The company has a long history of financial strength, low rates, and a focus on customer service.
Ameren has a strong commitment to safety, integrity, respect, diversity, equity, and inclusion, as well as accountability, stewardship, teamwork, and commitment to excellence. The company has made significant strides towards a sustainable energy future, with Union Electric producing nuclear energy for the first time and the Callaway Plant generating 1,143 megawatts of power. Additionally, the Osage Plant generates almost 175 megawatts of hydroelectricity, and the Bagnell Dam project on the Osage River created the popular Lake of the Ozarks.
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Frequently asked questions
NextEra Energy, headquartered in the United States, is the largest electric utility company worldwide as of 2024, with a market value of 156 billion U.S. dollars.
NextEra Energy's annual revenue for the period ending in Dec 2022 was 20,956 million USD.
NextEra Energy has a generating capacity of about 58 GW, 24 GW of which are from fossil fuel sources. The company is also one of the world's largest producers of renewable, wind, and solar energy.
