Company lists · Data refreshed September 2026

Top 25 Electric cooperative utilities worldwide

RevenueBase identified 1,419 electric cooperative utilities worldwide as of September 2026 and tracks 71,156 professional contacts across them, including 27,147 with verified work emails and 0 with mobile numbers. The United States is the largest market and Madison the largest hub.

This list covers electric cooperative utilities worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026. Country and city lists for electric cooperative utilities follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review
1,419Companies
71,156Contacts tracked
27,147Verified emails
0Mobile numbers
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The 25 largest electric cooperative utilities worldwide

Ranked by team size
Top 25 of 1,419 electric cooperative utilities worldwide, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to electric cooperative utilities: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 16, 202610001+5,036 contacts →

Indirect evidence

“High reliability, low prices and high customer satisfaction are cornerstones of our customer commitment, but it doesn't end there.”

Source: RevenueBase Database · checked Sep 16, 2026
2Partial evidencePhoenix, AZ, United StatesHQ checked Sep 16, 20265,001-10,0004,744 contacts →

Partial evidence

“APS is Arizona’s largest and longest serving electric utility, providing power for nearly 1.2 million customers in 11 of the state’s 15 counties.”

Source: RevenueBase Database · checked Sep 16, 2026
3Partial evidenceBuenos Aires, ArgentinaHQ checked Sep 16, 20261,001-5,0002,531 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 16, 2026
4Partial evidenceColorado Springs, CO, United StatesHQ checked Sep 16, 20261,001-5,0001,675 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 16, 2026
5Strong evidenceAustin, TX, United StatesHQ checked Sep 16, 20261,001-5,0001,499 contacts →

Strong evidence

“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.”

Source: RevenueBase Database · checked Sep 16, 2026
6Partial evidenceHonolulu, HI, United StatesHQ checked Sep 16, 20261,001-5,0001,372 contacts →

Partial evidence

“Inspired by an enlightened king more than a century ago, Hawaii was an early adopter of electricity to light homes and power industry.”

Source: RevenueBase Database · checked Sep 16, 2026
7Partial evidenceLake Saint Louis, MO, United StatesHQ checked Sep 16, 20261,001-5,0001,219 contacts →

Partial evidence

“National Information Solutions Cooperative (NISC) is an information technology organization that develops, implements and supports software and hardware solutions for our Members.”

Source: RevenueBase Database · checked Sep 16, 2026
8Indirect evidenceBismarck, ND, United StatesHQ checked Sep 16, 20261,001-5,000979 contacts →

Indirect evidence

“OUR MISSION We provide wholesale energy and services to our member-owners.”

Source: RevenueBase Database · checked Sep 16, 2026
9Indirect evidenceHouston, TX, United StatesHQ checked Sep 16, 20261,001-5,000917 contacts →

Indirect evidence

“Reliant has deep Texas roots.”

Source: RevenueBase Database · checked Sep 16, 2026
10Strong evidenceHerndon, VA, United StatesHQ checked Sep 16, 2026501-1,000678 contacts →

Strong evidence

“NRTC is a member-driven cooperative that provides technology solutions to help more than 1,500 electric and telecom members bring all the advantages of today’s evolving technology…”

Source: RevenueBase Database · checked Sep 16, 2026
11Strong evidenceJohnson City, TX, United StatesHQ checked Sep 16, 2026501-1,000677 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 16, 2026
12Indirect evidenceOttawa, CanadaHQ checked Sep 16, 2026501-1,000599 contacts →

Indirect evidence

“At Hydro Ottawa Group, we're more than just an energy company; we're a community partner with more than a century of deep roots in the National Capital Region.”

Source: RevenueBase Database · checked Sep 16, 2026
13Strong evidenceSpringfield, MO, United StatesHQ checked Sep 16, 20261,001-5,000590 contacts →

Strong evidence

“City Utilities of Springfield (CU) is a progressive, community-owned utility serving southwest Missouri with electricity, natural gas, water, broadband and transit services.”

Source: RevenueBase Database · checked Sep 16, 2026
14Strong evidenceGainesville, FL, United StatesHQ checked Sep 16, 2026501-1,000587 contacts →

Strong evidence

“Gainesville Regional Utilities (GRU) is a multi-service utility owned by the City of Gainesville and is the 5th largest municipal electric utility in Florida.”

Source: RevenueBase Database · checked Sep 16, 2026
15Strong evidenceNashville, TN, United StatesHQ checked Sep 16, 2026501-1,000555 contacts →

Strong evidence

“Nashville Electric Service (NES) is one of the 11 largest public electric utilities in the nation, distributing energy to more than customers over a 700 square mile area in Middle…”

Source: RevenueBase Database · checked Sep 16, 2026
16Indirect evidenceSpringfield, MO, United StatesHQ checked Sep 16, 2026501-1,000476 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 16, 2026
17Strong evidenceLa Crosse, WI, United StatesHQ checked Sep 16, 2026501-1,000472 contacts →

Strong evidence

“Providing safe, reliable, sustainable and affordable electricity for its cooperative members is the goal of Dairyland Power Cooperative.”

Source: RevenueBase Database · checked Sep 16, 2026
18Partial evidenceRochester, NY, United StatesHQ checked Sep 16, 2026501-1,000437 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 16, 2026
19Indirect evidenceEugene, OR, United StatesHQ checked Sep 16, 2026501-1,000406 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 16, 2026
20Partial evidenceSalt Lake City, UT, United StatesHQ checked Sep 16, 20265,001-10,000390 contacts →

Partial evidence

“At Rocky Mountain Power we believe in our promise of public service: an obligation to deliver safe, reliable electricity at an affordable price in an environmentally sustainable…”

Source: RevenueBase Database · checked Sep 16, 2026
21Strong evidenceTampa, FL, United StatesHQ checked Sep 16, 2026201-500384 contacts →

Strong evidence

“Seminole Electric Cooperative is one of the largest generation and transmission (G&T) cooperatives in the country.”

Source: RevenueBase Database · checked Sep 16, 2026
22Partial evidenceChouteau, OK, United StatesHQ checked Sep 16, 2026501-1,000381 contacts →

Partial evidence

“GRDA utilizes a diverse portfolio of electric generation assets to keep rates low and reliability high.”

Source: RevenueBase Database · checked Sep 16, 2026
23Strong evidenceDulles, VA, United StatesHQ checked Sep 16, 2026201-500373 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 16, 2026
24Strong evidenceTucker, GA, United StatesHQ checked Sep 16, 2026201-500370 contacts →

Strong evidence

“Georgia Transmission is a not-for-profit electric cooperative that plans, builds and maintains more than miles of high-voltage power lines and more than 780 substations for 38…”

Source: RevenueBase Database · checked Sep 16, 2026
25Strong evidenceLittle Rock, AR, United StatesHQ checked Sep 16, 2026501-1,000368 contacts →

Strong evidence

“Arkansas Electric Cooperative Corporation (AECC) is a generation and transmission cooperative headquartered in Little Rock, Arkansas.”

Source: RevenueBase Database · checked Sep 16, 2026

Showing 25 of 1,419 electric cooperative utilities worldwide

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Electric cooperative utilities worldwide at a glance

As of Sep 16, 2026
38.2%Verified-email coverage
50.1Average contacts per company
11-50Median size (employees)
0.6%Largest-city concentration · Madison
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
363
11-50
446
51-200
450
201-500
101
501-1,000
34
1,001-5,000
19
5,001-10,000
3
10001+
1

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among electric cooperative utilities, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
8 countries, largest first: the United States, Germany, Argentina, Canada, the Netherlands, Brazil, France, Switzerland. Country and city lists for electric cooperative utilities are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “electric cooperative utilities”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names electric cooperative utilities), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among electric cooperative utilities, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 27,147 across the full list. 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 16, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Electric cooperative utilities by location

8 lists · largest first

Every Electric cooperative 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names electric cooperative utilities, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many electric cooperative utilities are there worldwide?

RevenueBase identified 1,419 electric cooperative utilities worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Georgia Power Company, headquartered in Atlanta, tops this list with the largest team on record.

Which country has the most electric cooperative utilities?

The United States leads with 1,100 companies, followed by Germany (61) and Argentina (57). Every electric cooperative utilities list by country and city is linked on this page.

Which city has the most electric cooperative utilities?

Madison leads with 8 headquartered companies, followed by Arlington (7) and Cordoba (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 27,147 verified decision-maker contacts tracked across these 1,419 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 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 Smart Search, 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.