Company lists · Data refreshed September 2026

Top 25 Renewable energy system suppliers based in Switzerland

Name: Renewable energy system suppliers based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 416 companies tracked

RevenueBase identified 416 company matches for renewable energy system suppliers associated with Switzerland as of September 2026 and tracks 7,251 professional contacts across them, including 3,735 with verified work emails. Zurich is the largest hub.

This list covers company matches for renewable energy system suppliers associated with Switzerland, 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 17, 2026.

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 17, 2026 How this list was built

416Companies

7,251Contacts tracked

3,735Verified emails

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The 25 largest renewable energy system suppliers based in Switzerland

Ranked by team size

Top 25 of 416 company matches for renewable energy system suppliers based in Switzerland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Romande Energie	Exact match	Morges, SwitzerlandHQ recorded Sep 17, 2026	1,001-5,000	746 contacts →
	Exact match “As a leading energy company and the largest utility in French-speaking Switzerland, the Romande Energie Group offers a wide range of sustainable solutions such as energy…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	EWZ	Exact match	Zurich, SwitzerlandHQ recorded Sep 17, 2026	1,001-5,000	721 contacts →
	Exact match “Unsere Erfolgsgeschichte begann mit einer aufsehenerregenden Pioniertat: Im Jahr 1892 floss in der Stadt Zürich erstmals elektrischer Strom.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	OIKEN	Exact match	Sion, SwitzerlandHQ recorded Sep 17, 2026	501-1,000	226 contacts →
	Exact match “Avenir activé.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Viteos SA	Exact match	Neuchâtel, SwitzerlandHQ recorded Sep 17, 2026	201-500	190 contacts →
	Exact match “Référence neuchâteloise de la transition énergétique, Viteos assure la fourniture d’énergies ainsi que la gestion des réseaux d’eau, d’électricité, de gaz et de chauffage/froid à…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Groupe Gruyère Energie	Exact match	Bulle, SwitzerlandHQ recorded Sep 17, 2026	201-500	157 contacts →
	Exact match “Active depuis plus de 130 ans et principal promoteur de la transition énergétique dans la région, Gruyère Energie SA est une entreprise active dans l’approvisionnement et la…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Candi Solar	Exact match	Zurich, SwitzerlandHQ recorded Sep 17, 2026	51-200	150 contacts →
	Exact match “Candi Solar partners with businesses to provide simple, end-to-end solar & battery solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Galileo	Exact match	Zurich, SwitzerlandHQ recorded Sep 17, 2026	51-200	98 contacts →
	Exact match “At Galileo, we are delivering long-term green power solutions to energy-hungry customers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Megasol Energie AG	Exact match	Deitingen, SwitzerlandHQ recorded Sep 17, 2026	201-500	85 contacts →
	Exact match “Built with cutting-edge technology, economical to operate and easy to install: Solar systems from Megasol combine performance, reliability and appearance - from standardized…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Soltop Energie AG	Exact match	Elgg, SwitzerlandHQ recorded Sep 17, 2026	51-200	84 contacts →
	Exact match “Erneuerbare Energien aus Sonne, Erde, Luft und Wasser nutzbar machen: Diese Kernaufgabe erfüllt die Soltop Energie AG bereits seit über 40 Jahren konsequent und erfolgreich.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	3s Swiss Solar Solutions AG	Exact match	Gwatt, SwitzerlandHQ recorded Sep 17, 2026	51-200	82 contacts →
	Exact match “Die 3S Swiss Solar Solutions AG ist führend in der Entwicklung und Produktion von energieproduzierenden Gebäudehüllen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Heim AG Heizsysteme	Exact match	Aadorf, SwitzerlandHQ recorded Sep 17, 2026	51-200	66 contacts →
	Exact match “Seit 1989 begeistern wir unsere Kunden mit massgeschneiderten Lösungen und unvergleichlichen Dienstleistungen im Bereich der erneuerbaren Energien.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Solarmarkt	Exact match	Aarau, SwitzerlandHQ recorded Sep 17, 2026	51-200	64 contacts →
	Exact match “35 years ago, Solarmarkt was one of the pioneers in solar energy; today, the company is Switzerland's number one wholesaler of PV components.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Thomaslloyd Group	Exact match	Stadtkreis 2, SwitzerlandHQ recorded Sep 17, 2026	1,001-5,000	62 contacts →
	Exact match “Founded in 2003, ThomasLloyd is a vertically integrated sustainable energy and technology solutions provider, integrating development, investment, operations, and technology on a…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Elektrizitätswerk Obwalden	Exact match	Kerns, SwitzerlandHQ recorded Sep 17, 2026	51-200	61 contacts →
	Exact match “Als Energiedienstleister und öffentlich-rechtliches Unternehmen versorgt das Elektrizitätswerk Obwalden (EWO) seine Kundinnen und Kunden mit nachhaltigem Strom.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Soleol SA	Exact match	Estavayer-le-lac, SwitzerlandHQ recorded Sep 17, 2026	51-200	59 contacts →
	Exact match “Soleol SA est une entreprise fribourgeoise basée à Estavayer-le-Lac, spécialisée dans les énergies renouvelables et parmi les leaders en Suisse dans la réalisation et…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Renera AG	Exact match	Basel, SwitzerlandHQ recorded Sep 17, 2026	51-200	54 contacts →
	Exact match “Renera AG (formerly Energie Zukunft Schweiz AG) is a leading force on the road to a fully renewable energy world.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Planeco Gmbh	Exact match	Arlesheim, SwitzerlandHQ recorded Sep 17, 2026	51-200	50 contacts →
	Exact match “Willkommen bei Planeco GmbH – deiner wegweisenden Partnerin für innovative Energielösungen!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Younergy Solar	Exact match	Lausanne, SwitzerlandHQ recorded Sep 17, 2026	51-200	45 contacts →
	Exact match “At Younergy Solar, we are pioneers in solar energy, offering tailored solutions for a cleaner and sustainable energy future.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Krannich Solar Schweiz	Exact match	Spreitenbach, SwitzerlandHQ recorded Sep 17, 2026	51-200	42 contacts →
	Exact match “Über uns: Seit 1995 ist Krannich Solar der starke Partner für Photovoltaik-Installateure und bietet alles, was die Energie-Revolution vorantreibt: fundierte Beratung, effektive…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Clevergie AG	Exact match	Wyssachen, SwitzerlandHQ recorded Sep 17, 2026	51-200	36 contacts →
	Exact match “clevergie konzipiert und baut Erneuerbare-Energie-Anlagen rund erneuerbare Energieanlagen rund um Photovoltaik, Wärmetechnik und E-Mobilität.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Solexis SA	Exact match	Sierre, SwitzerlandHQ recorded Sep 17, 2026	11-50	35 contacts →
	Exact match “SOLEXIS is a Swiss importer and wholesaler of renewable energy system components, particularly solar system components.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Youdera	Exact match	Lausanne, SwitzerlandHQ recorded Sep 17, 2026	11-50	32 contacts →
	Exact match “Youdera helps European businesses lower energy risk through holistic energy management and financed on-site infrastructure: solar, batteries, building envelope upgrades and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Ampere Dynamic	Exact match	Zurich, SwitzerlandHQ recorded Sep 17, 2026	11-50	29 contacts →
	Exact match “Als Experte für nachhaltige und schlüsselfertige Energielösungen im Industrie & Gewerbesektor denken wir Energie ganzheitlich.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Fu-Gen	Exact match	Zurich, SwitzerlandHQ recorded Sep 17, 2026	11-50	27 contacts →
	Exact match “Fu-Gen is an independent power producer that develops, owns and operates renewable energy sources.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	BE Netz AG	Exact match	Luzern, SwitzerlandHQ recorded Sep 17, 2026	51-200	24 contacts →
	Exact match “Das Unternehmen BE Netz AG ist spezialisiert auf Strom und Wärme aus der Sonne.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “renewable energy system suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 416 renewable energy system suppliers based in Switzerland

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Renewable energy system suppliers based in Switzerland at a glance

As of Sep 17, 2026

51.5%Verified-email coverage

17.4Average contacts per company

1-10Median size (employees)

3.8%Largest-city concentration · Zurich

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

236

11-50

130

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 416 companies.

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.
What qualifies: Company records associated with Switzerland whose business descriptions match “renewable energy system 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 3,735 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 17, 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.

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 “renewable energy system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy system suppliers are there based in Switzerland?

RevenueBase identified 416 company matches for renewable energy system suppliers associated with Switzerland 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?

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

Which city has the most renewable energy system suppliers?

Zurich leads with 16 company records, followed by Lausanne (13) and Zug (12).

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 3,735 professional contacts with verified work emails tracked across these 416 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 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 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.