Power and Water - Top 10 Largest Utility Companies in the World

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4. Duke Energy Corporation (NYSE: DUK)
Duke Energy Corporation (NYSE: DUK), an electric and natural gas utility holding corporation
with its main office in Charlotte, North Carolina, focuses on the construction, ownership, and
management of several generating facilities throughout the US via its subsidiaries. With a
projected annual revenue of $21.72 billion in the fiscal year 2020, it is one of the biggest
utilities in the world by market value. Duke (NYSE: DUK) has a profit-to-equity ratio of 22.94
and a 3.60 percent dividend yield.
5. The Southern Company (NYSE: SO)
The Southern Company (NYSE: SO) is an American gas and electricity utility company with
headquarters in Atlanta, Georgia, with administrative offices also in Birmingham, Alabama.
It mainly provides services to the Southern parts of the United States. Southern Company
(NYSE: SO) is the second biggest utility company in the US when it comes to the customer
base, with about 29,000 workers and almost 9 million customers in 6+ states.
6. Iberdrola (BMAD: IBE)
Iberdrola (BMAD: IBE), a multinational provider of renewable energy with headquarters in
Bilbao, Spain, is the second-biggest wind power generator in terms of revenue and market
capitalization. Iberdrola (BMAD: IBE) has subsidiaries in various nations, including Spain,
the UK (Scottish Power), the USA (AVANGRID), Brazil (NeoEnergia), Germany, Italy, Mexico,
Portugal, and France. Iberdrola has approximately 45,000 workers working throughout
Europe, supporting over 31.67 million consumers. During the fiscal year 2021, it brought in
$39.11 million annually. Additionally, Iberdrola (BMAD: IBE) has a profit-to-equity ratio of 16.91
and a dividend yield of 2.78 percent.
7. Dominion Energy Inc. (NYSE: D)
Dominion Energy Inc. (NYSE: D), with its headquarters in Richmond, Virginia, delivers natural
gas to portions of Georgia, North Carolina, Ohio, Pennsylvania, Utah, West Virginia, and South
Carolina in addition to electricity to sections of Virginia, North Carolina, and South Carolina.
Additionally, it owns generating plants in Connecticut, Illinois, Indiana, Illinois, and Rhode
Island. In terms of electricity generation as of 2015, coal accounted for 18%, nuclear power
for 22%, oil for 9%, hydroelectricity for 12%, and natural gas for 32% of Dominion’s (NYSE: D)
electricity output, with other sources accounting for the remaining 7%.
8. Enel S.p.A. (BIT: ENEL)
Enel S.p.A. (BIT: ENEL), a global corporation based in Italy with its headquarters in Rome, is
the biggest utility provider in Europe based on market value. With a 23.6 percent ownership
in the business, the Italian government is the company’s largest stakeholder. Enel (BIT: ENEL)
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