Company lists · Data refreshed September 2026

Top 15 Renewable energy cooperatives based in Switzerland

RevenueBase identified 49 renewable energy cooperatives headquartered in Switzerland as of September 2026 and tracks 1,411 professional contacts across them, including 765 with verified work emails. Bern is the largest hub.

This list covers renewable energy cooperatives headquartered in Switzerland, 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 17, 2026.

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 17, 2026 86% judged on-target in blind review
49Companies
1,411Contacts tracked
765Verified emails
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The 15 largest renewable energy cooperatives based in Switzerland

Ranked by team size
Top 15 of 49 renewable energy cooperatives based in Switzerland, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to renewable energy cooperatives: 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 evidenceZurich, SwitzerlandHQ checked Sep 17, 20261,001-5,000721 contacts →

Indirect evidence

“Unsere Erfolgsgeschichte begann mit einer aufsehenerregenden Pioniertat: Im Jahr 1892 floss in der Stadt Zürich erstmals elektrischer Strom.”

Source: RevenueBase Database · checked Sep 17, 2026
2Strong evidenceLiestal, SwitzerlandHQ checked Sep 17, 2026201-500282 contacts →

Strong evidence

“For decades, we at EBL have been specifically promoting the generation of energy through new renewable energy and actively advocating a more economical use of energy, which is…”

Source: RevenueBase Database · checked Sep 17, 2026
3Partial evidenceZurich, SwitzerlandHQ checked Sep 17, 202651-20098 contacts →

Partial evidence

“At Galileo, we are delivering long-term green power solutions to energy-hungry customers.”

Source: RevenueBase Database · checked Sep 17, 2026
4Partial evidenceKerns, SwitzerlandHQ checked Sep 17, 202651-20061 contacts →

Partial evidence

“Als Energiedienstleister und öffentlich-rechtliches Unternehmen versorgt das Elektrizitätswerk Obwalden (EWO) seine Kundinnen und Kunden mit nachhaltigem Strom.”

Source: RevenueBase Database · checked Sep 17, 2026
5Indirect evidenceBern, SwitzerlandHQ checked Sep 17, 202611-5034 contacts →

Indirect evidence

“Swisspower ist die strategische Allianz von 20 Schweizer Stadtwerken und regionalen Unternehmen der Versorgungswirtschaft.”

Source: RevenueBase Database · checked Sep 17, 2026
6Strong evidenceZurich, SwitzerlandHQ checked Sep 17, 202611-5027 contacts →

Strong evidence

“Fu-Gen is an independent power producer that develops, owns and operates renewable energy sources.”

Source: RevenueBase Database · checked Sep 17, 2026
7Indirect evidenceMünchenstein, SwitzerlandHQ checked Sep 17, 202611-5025 contacts →

Indirect evidence

“aventron is a well established green power producer based in Switzerland.”

Source: RevenueBase Database · checked Sep 17, 2026
8Partial evidenceLiestal, SwitzerlandHQ checked Sep 17, 202611-5020 contacts →

Partial evidence

“Die ADEV-Gruppe gehört zu den nachhaltigen Pionieren der Schweiz und engagiert sich seit fast vier Jahrzehnten erfolgreich für eine ökologische und dezentrale Energieversorgung.”

Source: RevenueBase Database · checked Sep 17, 2026
9Partial evidenceLauterbrunnen, SwitzerlandHQ checked Sep 17, 202611-509 contacts →

Partial evidence

“Die EWL Genossenschaft versorgt Haushalte und Gewerbebetriebe in der Gemeinde Lauterbrunnen mit erneuerbarer Energie aus eigener Produktion.”

Source: RevenueBase Database · checked Sep 17, 2026
10Partial evidenceSedrun, SwitzerlandHQ checked Sep 17, 202611-506 contacts →

Partial evidence

“Mit frischer Energie in die Zukunft.”

Source: RevenueBase Database · checked Sep 17, 2026
11Partial evidenceRichterswil, SwitzerlandHQ checked Sep 17, 20261-105 contacts →

Partial evidence

“Die Energiewende vor der Haustüre Im Frühjahr 2017 wurde die «Energie Genossenschaft Zimmerberg» (EGZ) gegründet.”

Source: RevenueBase Database · checked Sep 17, 2026
12Partial evidenceBern, SwitzerlandHQ checked Sep 17, 202651-2005 contacts →

Partial evidence

“Die Energiewendegenossenschaft hat es sich bei ihrer Gründung zum Ziel gemacht, einen möglichst niederschwelligen Einstieg in die Welt der Photovoltaik zu schaffen.”

Source: RevenueBase Database · checked Sep 17, 2026
13Indirect evidenceZermatt, SwitzerlandHQ checked Sep 17, 202611-504 contacts →

Indirect evidence

“EWZ Elektrizitätswerk Zermatt AG is a company based out of Switzerland.”

Source: RevenueBase Database · checked Sep 17, 2026
14Strong evidenceVaud, SwitzerlandHQ checked Sep 17, 20261-102 contacts →

Strong evidence

“Delta Energy Capital is a renewable energy investment firm that focuses on the development, financing, and management of clean energy projects.”

Source: RevenueBase Database · checked Sep 17, 2026
15Partial evidenceLuzern, SwitzerlandHQ checked Sep 17, 20261-101 contacts →

Partial evidence

“Die Energiegenossenschaft Luzern ist eine Einwohnerinitiative für mehr Solarstrom.”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 15 of 49 renewable energy cooperatives based in Switzerland

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Renewable energy cooperatives based in Switzerland at a glance

As of Sep 17, 2026
54.2%Verified-email coverage
28.8Average contacts per company
1-10Median size (employees)
8.2%Largest-city concentration · Bern
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
28
11-50
15
51-200
3
201-500
2
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 49 companies.

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 renewable energy cooperatives, 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.
What qualifies
Companies headquartered in Switzerland whose own description of what they do matches “renewable energy cooperatives”. 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 renewable energy cooperatives), 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 renewable energy cooperatives, and records with no verified work email. Companies headquartered outside Switzerland are excluded even when they keep an office there.
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, 765 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 17, 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.

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 renewable energy cooperatives, 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 renewable energy cooperatives are there based in Switzerland?

RevenueBase identified 49 renewable energy cooperatives headquartered in Switzerland 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?

EWZ, headquartered in Zurich, tops this list with the largest team on record.

Which city has the most renewable energy cooperatives?

Bern leads with 4 headquartered companies, followed by Zurich (4) and Basel (2).

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 765 verified decision-maker contacts tracked across these 49 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 17, 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.