Company lists · Data refreshed November 2026

Top 25 Investor owned utilities worldwide

RevenueBase identified 733 company matches for investor owned utilities worldwide as of November 2026 and tracks 150,402 professional contacts across them, including 53,554 with verified work emails. The United States is the largest market and Greenwood the largest hub.

This list covers company matches for investor owned utilities 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 November 6, 2026. Country and city lists for investor owned utilities 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 Nov 6, 2026 How this list was built
733Companies
150,402Contacts tracked
53,554Verified emails
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The 25 largest investor owned utilities worldwide

Ranked by team size
Top 25 of 733 company matches for investor owned utilities worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchKarachi, PakistanHQ recorded Nov 6, 202610001+11,046 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNewark, NJ, United StatesHQ recorded Nov 6, 202610001+7,675 contacts →

Exact match

“Public service” is not just in our name.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAkron, OH, United StatesHQ recorded Nov 6, 202610001+7,064 contacts →

Exact match

“We are a forward-thinking electric utility centered on integrity, powered by a diverse team of employees committed to making customers’ lives brighter, the environment better and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20265,001-10,0007,013 contacts →

Exact match

“CenterPoint Energy, Inc.(NYSE: CNP) is a multi-state electric and natural gas delivery company serving approximately 7 million metered customers across Indiana, Minnesota, Ohio…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCoventry, United KingdomHQ recorded Nov 6, 20265,001-10,0006,089 contacts →

Exact match

“Water is wonderful.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchIndiaHQ recorded Nov 6, 20265,001-10,0005,955 contacts →

Exact match

“Torrent Power is one of the leading brands in the Indian power sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMerrillville, IN, United StatesHQ recorded Nov 6, 20265,001-10,0004,601 contacts →

Exact match

“NiSource (NYSE: NI) helps energize the lives of its nearly 4 million natural gas and electric customers across six states.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchJuno Beach, FL, United StatesHQ recorded Nov 6, 202610001+3,966 contacts →

Exact match

“NextEra Energy, Inc.(NYSE: NEE) is one of the largest electric power and energy infrastructure companies in North America and is a leading provider of electricity to American…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBuenos Aires, ArgentinaHQ recorded Nov 6, 20261,001-5,0002,712 contacts →

Exact match

“Somos la mayor distribuidora de energía eléctrica de la Argentina en términos de cantidad de clientes y electricidad vendida.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchEdmonton, SK, CanadaHQ recorded Nov 6, 20261,001-5,0002,673 contacts →

Exact match

“Clean water, reliable electricity, drainage services and natural gas are at the heart of what we do.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMerelbeke–melle, BelgiumHQ recorded Nov 6, 20265,001-10,0002,602 contacts →

Exact match

“Als netbeheerder werkt Fluvius in alle Vlaamse steden en gemeenten, met zo’n collega’s.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHaymarket, AustraliaHQ recorded Nov 6, 20261,001-5,0002,511 contacts →

Exact match

“Ausgrid is Australia's largest distributor of electricity, provided products and services to 1.7 million customers in Sydney, the Hunter and the Central Coast.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLas Vegas, NV, United StatesHQ recorded Nov 6, 20261,001-5,0002,301 contacts →

Exact match

“Headquartered in Las Vegas, Nevada, NV Energy, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMount Airy, NC, United StatesHQ recorded Nov 6, 202610001+2,181 contacts →

Exact match

“The Pike family of companies is a leading provider of utilities solutions to over 300 investor-owned, municipal and cooperative utilities in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchColorado Springs, CO, United StatesHQ recorded Nov 6, 20261,001-5,0001,751 contacts →

Exact match

“Colorado Springs Utilities is the largest community-owned, not-for-profit, four-service utility in the nation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLouisville, KY, United StatesHQ recorded Nov 6, 20261,001-5,0001,719 contacts →

Exact match

“Louisville Gas and Electric Company and Kentucky Utilities Company, part of the PPL Corporation (NYSE: PPL) family of companies, are regulated utilities that serve a total of 1.2…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchTownsville, AustraliaHQ recorded Nov 6, 20261,001-5,0001,623 contacts →

Exact match

“Ergon Energy supplies electricity to customers across a vast operating area of more than one million square kilometres – around 97% of the state of Queensland – from the expanding…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBaltimore, MD, United StatesHQ recorded Nov 6, 20261,001-5,0001,552 contacts →

Exact match

“BGE, headquartered in Baltimore, is Maryland’s largest gas and electric utility, delivering power to more than 1.3 million electric customers and more than natural gas customers…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMilwaukee, WI, United StatesHQ recorded Nov 6, 20265,001-10,0001,532 contacts →

Exact match

“WEC Energy Group is one of the nation’s largest electric and natural gas delivery companies, with deep operational expertise, scale and financial resources to meet the region’s…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchOakland, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,504 contacts →

Exact match

“East Bay Municipal Utility District is a California public utility that supplies high-quality drinking water, generates renewable energy and provides wastewater treatment and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,0001,469 contacts →

Exact match

“Senelec est une société anonyme à capitaux publics majoritaires, concessionnaire de la production, du transport, de la distribution et de la vente de l’énergie électrique mais…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSan Juan, United StatesHQ recorded Nov 6, 202610001+1,418 contacts →

Exact match

“Founded in 1941, the Puerto Rico Electric Power Authority (PREPA) is the sole provider of electricity for 1.5 million customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchEdmonton, AB, CanadaHQ recorded Nov 6, 20261,001-5,0001,273 contacts →

Exact match

“In the spirit of reconciliation, we acknowledge the traditional territories and homelands on which many of our ATCO operations and facilities are located.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchTampa, FL, United StatesHQ recorded Nov 6, 20261,001-5,0001,254 contacts →

Exact match

“Tampa Electric powers one of Florida's fastest-growing regions, delivering reliable electricity to homes, businesses and communities across Tampa Bay and West Central Florida.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchParramatta, AustraliaHQ recorded Nov 6, 20261,001-5,0001,243 contacts →

Exact match

“Endeavour Energy is a safety focused and customer-centred business determined to be the best performing network in Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 733 investor owned utilities worldwide

See the full list, filter by size, metro and specialty, and access 53,554 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Investor owned utilities worldwide at a glance

As of Nov 6, 2026
35.6%Verified-email coverage
205.2Average contacts per company
51-200Median size (employees)
0.5%Largest-city concentration · Greenwood
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
161
11-50
170
51-200
186
201-500
64
501-1,000
48
1,001-5,000
67
5,001-10,000
14
10001+
11

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 investor owned utilities are linked below.
What qualifies
Company records worldwide whose business descriptions match “investor owned utilities” 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 53,554 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 November 6, 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.

Investor owned utilities by location

3 lists · largest first

Every Investor owned utilities 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 “investor owned utilities”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many investor owned utilities are there worldwide?

RevenueBase identified 733 company matches for investor owned utilities worldwide as of November 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?

K-Electric tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most investor owned utilities?

The United States leads with 221 companies, followed by Germany (147) and Italy (34). Every investor owned utilities list by country and city is linked on this page.

Which city has the most investor owned utilities?

Greenwood leads with 4 company records, followed by Edmonton (3) and Genoa (3).

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 53,554 professional contacts with verified work emails tracked across these 733 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 November 6, 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.