Company lists · Data refreshed November 2026

Top 25 Member-owned energy suppliers worldwide

RevenueBase identified 1,308 company matches for member-owned energy suppliers worldwide as of November 2026 and tracks 47,576 professional contacts across them, including 16,306 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for member-owned energy suppliers 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 member-owned energy suppliers 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
1,308Companies
47,576Contacts tracked
16,306Verified emails
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The 25 largest member-owned energy suppliers worldwide

Ranked by team size
Top 25 of 1,308 company matches for member-owned energy suppliers 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 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
2Exact matchAustin, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,583 contacts →

Exact match

“Austin Energy is one of the largest publicly owned electric utilities in the nation, providing low-cost reliable power to more than customers and more than 1 million residents.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact matchBinghamton, NY, United StatesHQ recorded Nov 6, 20261,001-5,0001,107 contacts →

Exact match

“New York State Electric & Gas (NYSEG) was founded in 1852, and today serves 905,005 electricity customers and 271,547 natural gas customers across more than 40% of upstate New…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchWestminster, CO, United StatesHQ recorded Nov 6, 2026501-1,000994 contacts →

Exact match

“We are Tri-State, a not-for-profit, wholesale power supplier to electric cooperatives and public power districts across the Western U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,000991 contacts →

Exact match

“Reliant has deep Texas roots.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWherstead, United KingdomHQ recorded Nov 6, 20261,001-5,000804 contacts →

Exact match

“We got started because we felt there was a better way of doing business; one that would make a difference for its customers and the communities that we live in.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchJohnson City, TX, United StatesHQ recorded Nov 6, 2026501-1,000710 contacts →

Exact match

“Based in Johnson City, Texas, Pedernales Electric Cooperative (PEC) is the largest distribution electric cooperative in the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchUnited StatesHQ recorded Nov 6, 2026501-1,000547 contacts →

Exact match

“More than 1.2 million Kentucky residents and thousands of businesses depend on East Kentucky Power Cooperative for reliable, affordable energy every day.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRochester, NY, United StatesHQ recorded Nov 6, 2026501-1,000438 contacts →

Exact match

“Rochester Gas and Electric (RG & E) was founded in 1848, and has been in the Rochester community ever since.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchPrague, Czech RepublicHQ recorded Nov 6, 20261,001-5,000425 contacts →

Exact match

“Skupina PRE Pražská energetika a.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchEugene, United StatesHQ recorded Nov 6, 2026501-1,000419 contacts →

Exact match

“Founded in 1911, we are Oregon's largest customer-owned utility.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchDulles, VA, United StatesHQ recorded Nov 6, 2026201-500392 contacts →

Exact match

“Supporting America’s Electric Cooperatives and the Members They Serve * The National Rural Utilities Cooperative Finance Corporation (CFC) is a member-owned, nonprofit finance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAachen, GermanyHQ recorded Nov 6, 2026201-500387 contacts →

Exact match

“VISIONEN VERWIRKLICHEN.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRanders Nv, DenmarkHQ recorded Nov 6, 2026201-500386 contacts →

Exact match

“Verdo Holding A/S er en forbrugerejet energikoncern med hovedsæde i Randers, der består af et holdingselskab samt datterselskaber inden for vand, varme og elproduktion.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMilan, ItalyHQ recorded Nov 6, 2026501-1,000380 contacts →

Exact match

“Il Gruppo Unoenergy da oltre 20 anni è uno dei primi operatori - a capitale interamente privato - per la fornitura di gas naturale, energia elettrica e servizi di efficientamento…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMarietta, United StatesHQ recorded Nov 6, 2026201-500362 contacts →

Exact match

“Cobb EMC is a not-for-profit electric cooperative located in metro Atlanta.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchTucker, GA, United StatesHQ recorded Nov 6, 2026201-500349 contacts →

Exact match

“Oglethorpe Power is among the nation’s largest power supply cooperatives and is one of the largest energy producers in Georgia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLincoln, NE, United StatesHQ recorded Nov 6, 2026201-500341 contacts →

Exact match

“For over 50 years, we at LES have been proud to power the many homes, businesses and governmental properties throughout Lincoln and the surrounding area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchOwensboro, KY, United StatesHQ recorded Nov 6, 2026201-500301 contacts →

Exact match

“Big Rivers Electric Corporation is a member-owned, not-for-profit, generation and transmission cooperative (G&T).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNorth Fort Myers, FL, United StatesHQ recorded Nov 6, 2026201-500298 contacts →

Exact match

“LCEC is a not-for-profit electric distribution cooperative.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchOdense Sv, DenmarkHQ recorded Nov 6, 2026201-500271 contacts →

Exact match

“Energi Fyn er en moderne energikoncern, og vi er ejet af fynske andelshavere - Vi er fynboernes elselskab.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMurfreesboro, TN, United StatesHQ recorded Nov 6, 2026501-1,000270 contacts →

Exact match

“Middle Tennessee Electric is more than a utility, electric cooperative or public power company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHughesville, MD, United StatesHQ recorded Nov 6, 2026201-500267 contacts →

Exact match

“Southern Maryland Electric Cooperative was founded in 1937.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchFredericksburg, VA, United StatesHQ recorded Nov 6, 2026201-500249 contacts →

Exact match

“REC is a member-owned utility that provides electric service to more than connections in portions of 22 Virginia counties.”

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

Showing 25 of 1,308 member-owned energy suppliers worldwide

See the full list, filter by size, metro and specialty, and access 16,306 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Member-owned energy suppliers worldwide at a glance

As of Nov 6, 2026
34.3%Verified-email coverage
36.4Average contacts per company
11-50Median size (employees)
0.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
481
11-50
370
51-200
311
201-500
79
501-1,000
24
1,001-5,000
23
5,001-10,000
2
10001+
2

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 member-owned energy suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “member-owned energy suppliers” 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 16,306 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.

Member-owned energy suppliers by location

10 lists · largest first

Every Member-owned energy suppliers 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 “member-owned energy suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many member-owned energy suppliers are there worldwide?

RevenueBase identified 1,308 company matches for member-owned energy suppliers 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?

Colorado Springs Utilities tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most member-owned energy suppliers?

The United States leads with 524 companies, followed by Germany (132) and the Netherlands (76). Every member-owned energy suppliers list by country and city is linked on this page.

Which city has the most member-owned energy suppliers?

London leads with 9 company records, followed by Madrid (8) and Houston (6).

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 16,306 professional contacts with verified work emails tracked across these 1,308 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.