Company lists · Data refreshed September 2026

Top 25 Renewable energy installation companies based in Austria

Name: Renewable energy installation companies based in Austria
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 250 companies tracked

RevenueBase identified 250 company matches for renewable energy installation companies associated with Austria as of September 2026 and tracks 1,715 professional contacts across them, including 765 with verified work emails. Vienna is the largest hub.

This list covers company matches for renewable energy installation companies associated with Austria, 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

250Companies

1,715Contacts tracked

765Verified emails

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The 25 largest renewable energy installation companies based in Austria

Ranked by team size

Top 25 of 250 company matches for renewable energy installation companies based in Austria, 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	ENERY	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	201-500	219 contacts →
	Exact match “Enery is an operations-led renewable power infrastructure company which provides competitive and reliable green electricity to its customers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	RP Global	Exact match	Vienne, AustriaHQ recorded Sep 17, 2026	201-500	158 contacts →
	Exact match “RP Global is a large-scale developer with 40+ years of experience in the renewable energy sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	WEB Windenergie AG	Exact match	Pfaffenschlag Bei Waidhofen, AustriaHQ recorded Sep 17, 2026	201-500	91 contacts →
	Exact match “WEB Windenergie AG is a renewables & environment company based in Pfaffenschlag near Waidhofen, Lower Austria.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Oekostrom AG	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	51-200	63 contacts →
	Exact match “Die oekostrom AG ist Produzent und Anbieter von Strom aus erneuerbaren Energiequellen und setzt sich aktiv für eine ökologische, zukunftsfähige Energieversorgung bei Wärme und…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Swimsol Gmbh	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	51-200	58 contacts →
	Exact match “European solar experts who built the world's first floating solar platform at sea, SolarSea®, in 2014.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	LSG Group Gmbh	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	201-500	47 contacts →
	Exact match “LSG GROUP based in Austria, was originally founded as Leopold Jordan GmbH in Vienna in 1997, renamed 2010 to LJG Building Solutions GmbH and finally 2012 restructured to the LSG…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Energy3000 Solar Gmbh	Exact match	Müllendorf, AustriaHQ recorded Sep 17, 2026	51-200	44 contacts →
	Exact match “Nomen est omen – solar konzentriert sich auf nachhaltige Energiesysteme und -lösungen für das dritte Jahrtausend.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Heizma	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	51-200	39 contacts →
	Exact match “We’re building Austria’s fastest-growing clean energy company, combining technology, process excellence, and hands-on execution to make renewable heating and solar power radically…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	suntastic.solar	Exact match	Bisamberg, AustriaHQ recorded Sep 17, 2026	51-200	32 contacts →
	Exact match “Als führendes österreichisches Unternehmen für erneuerbare Energien bieten wir Elektrikern, Installateuren und Dachdeckern sowohl hochwertige Photovoltaik-Produkte als auch eine…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Beyond Carbon Energy	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	11-50	24 contacts →
	Exact match “beyond carbon energy konzipiert, plant, realisiert, finanziert und betreibt weitestgehend emissionsfreie Wärme- und Kälteversorgung für Bestands- und Neubauimmobilien.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Sonnenkraft Gmbh	Exact match	Sankt Veit An Der Glan, AustriaHQ recorded Sep 17, 2026	201-500	24 contacts →
	Exact match “As a leading specialist in solar energy since 1993, based in St.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Energie Ried Gesellschaft M.B.H	Exact match	Ried Im Innkreis, AustriaHQ recorded Sep 17, 2026	51-200	21 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Ecowind Handels	Exact match	Kilb, AustriaHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “ECOwind is an Austrian pioneer in the field of wind power.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	PVI ALT	Exact match	Klagenfurt, AustriaHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “UNSERE KERNKOMPETENZEN: • Technisch optimierte Photovoltaik Anlagenplanung • Anlagenplanung für höchste Erträge (z.B.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Selina Photovoltaic Gmbh	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “We are a professional full-service implementation partner specializing in the planning, project development, construction and operation of large-scale photovoltaic systems for…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	E-Werke Frastanz	Exact match	Frastanz, AustriaHQ recorded Sep 17, 2026	51-200	15 contacts →
	Exact match “Seit über 100 Jahren sind wir – die E-Werke Frastanz – mit über 80 Mitarbeitern in den unterschiedlichsten Bereichen für unsere Kunden im Einsatz.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	SEM Energie- UND Gebäudemanagement Gmbh	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “SEM Energie- und Gebäudemanagement GmbH Wir sind ein stark expandierendes Unternehmen im Bereich der Energiedienstleistungen und dem Gebäudemanagement.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	MO Energy Systems Gmbh	Exact match	Lochau, AustriaHQ recorded Sep 17, 2026	1-10	15 contacts →
	Exact match “mo energy systems liefert das europaweit erste für Fassaden optimierte Photovoltaik-System, um aus jedem Gebäude ein Solarkraftwerk zu machen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	KPV Solar Gmbh	Exact match	Krumpendorf, AustriaHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “KPV Solar is the leading Austrian Solar company designing and constructing utility size PV power plants.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Ökoenergie	Exact match	Wolkersdorf, AustriaHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Wir sind Windkraftpionier – Die ÖKOENERGIE Gruppe mit Firmensitz in Obersdorf, NÖ, ist seit 1995 im Bereich Erneuerbare Energie tätig und zählt damit zu den österreichischen…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	One2zero	Exact match	Salzburg, AustriaHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Vor dem Hintergrund aktueller klimatischer Prozesse, neuer gesetzlicher Rahmenbedingungen und hoher Kosten wird Dekarbonisierung zu einem der wichtigsten Themen in der…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Eco-Tec.At Photovoltaics Gmbh	Exact match	Irdning-donnersbachtal, AustriaHQ recorded Sep 17, 2026	51-200	12 contacts →
	Exact match “Überzeugt von dem enormen Potential der Sonne, ist es unser Antrieb, dieses für jeden einfach und zuverlässig nutzbar zu machen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Cycleenergy	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	51-200	12 contacts →
	Exact match “Maßgeschneiderte erneuerbare Energielösungen aus der Biomasse” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Ourpower Energiegenossenschaft SCE MBH	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “Unsere Vision ist eine Welt, in der Menschen verantwortungsvoll mit Energie umgehen und Strom zu 100% direkt aus regionalen erneuerbaren Energiequellen beziehen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	PWE System Gmbh	Exact match	Wels, AustriaHQ recorded Sep 17, 2026	1-10	11 contacts →
	Exact match “PWE System GmbH is a company based out of Franz-zola-straße 5, Wels, Oberösterreich, Austria.” 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 installation companies”. 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 250 renewable energy installation companies based in Austria

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Renewable energy installation companies based in Austria at a glance

As of Sep 17, 2026

44.6%Verified-email coverage

6.9Average contacts per company

1-10Median size (employees)

10.0%Largest-city concentration · Vienna

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

130

11-50

51-200

201-500

Email recency for this list is measured worldwide rather than for Austria, so it is reported there. Company counts and contact totals on this page are exact for Austria, over 250 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 Austria whose business descriptions match “renewable energy installation companies” 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 765 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 installation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy installation companies are there based in Austria?

RevenueBase identified 250 company matches for renewable energy installation companies associated with Austria 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?

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

Which city has the most renewable energy installation companies?

Vienna leads with 25 company records, followed by Graz (7) and Linz (7).

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 765 professional contacts with verified work emails tracked across these 250 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.