Company lists · Data refreshed September 2026

Top 25 Utility-scale power companies worldwide

RevenueBase identified 4,156 company matches for utility-scale power companies worldwide as of September 2026 and tracks 936,122 professional contacts across them, including 280,275 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for utility-scale power companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026. Country and city lists for utility-scale power companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 22, 2026 How this list was built
4,156Companies
936,122Contacts tracked
280,275Verified emails
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The 25 largest utility-scale power companies worldwide

Ranked by team size
Top 25 of 4,156 company matches for utility-scale power companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMunich, GermanyHQ recorded Sep 22, 202610001+46,587 contacts →

Exact match

“Siemens Energy is one of the world’s leading energy technology companies.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchRichmond, VA, United StatesHQ recorded Sep 22, 202610001+31,976 contacts →

Exact match

“Dominion Energy (NYSE: D), headquartered in Richmond, Va, provides regulated electricity service to 3.6 million homes and businesses in Virginia, North Carolina, and South…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchBoston, MA, United StatesHQ recorded Sep 22, 202610001+29,528 contacts →

Exact match

“GE Vernova is a purpose-built energy technology company on a mission to electrify to thrive and decarbonize the world.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchCharlotte, NC, United StatesHQ recorded Sep 22, 202610001+24,500 contacts →

Exact match

“Duke Energy, a Fortune 150 company headquartered in Charlotte, N.C, is one of America’s largest energy holding companies.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 22, 202610001+24,403 contacts →

Exact match

“We power the lives of millions of people across Britain, New York and Massachusetts, moving energy from where it’s made to the communities that need it, every single day.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchEssen, GermanyHQ recorded Sep 22, 202610001+21,622 contacts →

Exact match

“We are one of Europe's largest energy companies with the business areas of energy networks, energy infrastructure solutions and energy sales.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchPuteaux, FranceHQ recorded Sep 22, 202610001+20,465 contacts →

Exact match

“Enedis est le gestionnaire du réseau public de distribution d’électricité sur 95 % du territoire français continental.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchNew Delhi, IndiaHQ recorded Sep 22, 202610001+19,588 contacts →

Exact match

“NTPC Limited is India’s largest power generation utility with roots planted way back in 1975 to accelerate power development in India.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchSchenectady, NY, United StatesHQ recorded Sep 22, 202610001+16,095 contacts →

Exact match

“GE Power, part of GE Vernova, is a world energy leader that provides technology, solutions and services across the entire energy value chain from the point of generation to…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchRome, ItalyHQ recorded Sep 22, 202610001+15,726 contacts →

Exact match

“We are a multinational company reshaping the future of energy and one of the world’s leading integrated electricity operators.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchParis, FranceHQ recorded Sep 22, 202610001+15,504 contacts →

Exact match

“What if your next career adventure started with ENGIE?”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchRiyadh, Saudi ArabiaHQ recorded Sep 22, 202610001+15,138 contacts →

Exact match

“The Saudi Electricity Company was established on the 5th of April in the year incorporated in accordance with Council of Ministers Mandate No.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchMontréal, QC, CanadaHQ recorded Sep 22, 202610001+14,673 contacts →

Exact match

“Hydro-Québec produit, transporte et distribue de l'électricité.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchEssen, GermanyHQ recorded Sep 22, 202610001+11,181 contacts →

Exact match

“RWE is leading the way to a modern energy world.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchNew Orleans, LA, United StatesHQ recorded Sep 22, 202610001+11,015 contacts →

Exact match

“At Entergy (NYSE: ETR), we power life.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchColumbus, OH, United StatesHQ recorded Sep 22, 202610001+10,964 contacts →

Exact match

“Our team at American Electric Power is committed to improving our customers' lives with reliable, affordable power.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchKarachi, PakistanHQ recorded Sep 22, 202610001+10,497 contacts →

Exact match

“KE (formerly Karachi Electric Supply Company) is the only vertically integrated power utility in Pakistan that generates, transmits and distributes electricity to industrial…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchSolna, SwedenHQ recorded Sep 22, 202610001+9,748 contacts →

Exact match

“Vattenfall is a European energy company with approximately employees.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchBaltimore, MD, United StatesHQ recorded Sep 22, 202610001+9,458 contacts →

Exact match

“Constellation Energy Corporation (Nasdaq: CEG), a Fortune 200 company headquartered in Baltimore, is the nation’s largest producer of reliable, emissions-free energy and a leading…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchMumbai, IndiaHQ recorded Sep 22, 202610001+9,414 contacts →

Exact match

“Tata Power is one of India’s largest integrated power companies and together with its subsidiaries and jointly controlled entities, has an installed/managed capacity of 14,294 MW.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchToronto, ON, CanadaHQ recorded Sep 22, 20265,001-10,0008,955 contacts →

Exact match

“At Ontario Power Generation (OPG), our power is changing the world as we strive to electrify life in one generation.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 22, 202610001+8,188 contacts →

Exact match

“EDF is leading the charge towards An Electric Britain to help make energy more affordable and sustainable.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchKuala Lumpur, MalaysiaHQ recorded Sep 22, 202610001+7,862 contacts →

Exact match

“Tenaga Nasional Berhad is a leading Malaysian utility company in Asia with an international presence in the United Kingdom (UK), Ireland, Australia, Turkiye, Saudi Arabia, Kuwait…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchChicago, IL, United StatesHQ recorded Sep 22, 202610001+7,790 contacts →

Exact match

“Exelon Corporation (Nasdaq: EXC) is one of the nation’s largest utility companies, serving more than 10 million customers through six fully regulated utilities.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchCampinas, BrazilHQ recorded Sep 22, 202610001+7,647 contacts →

Exact match

“Estamos há 113 anos construindo a história do setor elétrico brasileiro, atuando nos segmentos de distribuição, geração, transmissão, comercialização e serviços.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 4,156 utility-scale power companies worldwide

See the full list, filter by size, metro and specialty, and access 280,275 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Utility-scale power companies worldwide at a glance

As of Sep 22, 2026
29.9%Verified-email coverage
225.2Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Sao Paulo
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
1,061
11-50
1,283
51-200
808
201-500
337
501-1,000
213
1,001-5,000
258
5,001-10,000
72
10001+
109

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for utility-scale power companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “utility-scale power companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 280,275 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Utility-scale power companies by location

26 lists · largest first

Every Utility-scale power companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “utility-scale power companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many utility-scale power companies are there worldwide?

RevenueBase identified 4,156 company matches for utility-scale power companies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Siemens Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most utility-scale power companies?

The United States leads with 416 companies, followed by Germany (343) and Brazil (295). Every utility-scale power companies list by country and city is linked on this page.

Which city has the most utility-scale power companies?

Sao Paulo leads with 57 company records, followed by Madrid (42) and London (40).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 280,275 professional contacts with verified work emails tracked across these 4,156 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.