Company lists · Data refreshed September 2026

Top 25 Residential renewable energy companies based in Austria

Name: Residential renewable energy 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 86 companies tracked

RevenueBase identified 86 company matches for residential renewable energy companies associated with Austria as of September 2026 and tracks 580 professional contacts across them, including 272 with verified work emails. Vienna is the largest hub.

This list covers company matches for residential renewable energy 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

86Companies

580Contacts tracked

272Verified emails

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The 25 largest residential renewable energy companies based in Austria

Ranked by team size

Top 25 of 86 company matches for residential renewable energy 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	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
2	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
3	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
4	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
5	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
6	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
7	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
8	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
9	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
10	Conversio Energie Gmbh	Exact match	Spittal An Der Drau, AustriaHQ recorded Sep 17, 2026	201-500	11 contacts →
	Exact match “Conversio Energie GmbH is a chemicals company based out of Koschatstraße 24, Spittal an der Drau, Austria.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Ökovolt Solartechnik Gmbh	Exact match	Ostermiething, AustriaHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “Photovolatik-Lösungen für Industrie, Gewerbe und Privat.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Hallosonne	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	51-200	9 contacts →
	Exact match “We are accelerating Europe's transition to sustainable energy by making every home a solar home.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Krone Sonne	Exact match	Mattersburg, AustriaHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “Hol dir die Sonne aufs Dach!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Solana Renewable Technologies Gmbh	Exact match	Graz, AustriaHQ recorded Sep 17, 2026	11-50	7 contacts →
	Exact match “SOLANA hat sich der nachhaltigen Erzeugung, Speicherung und Verteilung von erneuerbarer Energie verschrieben.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	AEP H2 Gmbh	Exact match	Linz, AustriaHQ recorded Sep 17, 2026	11-50	7 contacts →
	Exact match “Photovoltaik Contracting \| Solar-Carports \| Energiegemeinschaften” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Secundo Photovoltaik Gmbh	Exact match	Graz, AustriaHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “Die Secundo Photovoltaik GmbH setzt für Ihr Industrie und Gewerbeunternehmen Photovoltaikanlagen mit Komplettlösungen um.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Pvplus Gmbh	Exact match	Klosterneuburg, AustriaHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “Transforming the world to net zero requires clean energy from local production.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Ökosolar PV	Exact match	Weißkirchen, AustriaHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “Ökosolar ist ein führender Anbieter im Bereich Photovoltaik mit einer klaren Mission: die breite Nutzung von erneuerbarer Sonnenenergie mithilfe von qualitativ hochwertigen…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Hsh-Installatör	Exact match	AustriaHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “Holz die Sonne ins Haus versteht sich als Netzwerk für Erneuerbare Energieformen, thermische Solaranlagen, Photovoltaik, Scheitholz, Hackschnitzel, Pellets, Wärmepumpen…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Greenlemon Gmbh	Exact match	Brunn Am Gebirge, AustriaHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “Wir bieten schlüsselfertige Photovoltaik-Anlagen und Wärmepumpen für Gewerbebetriebe, Logistikdienstleister, Mehrparteienhäuser und Einfamilienhäuser.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Green Electrics Licht & Energietechnik Gmbh	Exact match	Gleisdorf, AustriaHQ recorded Sep 17, 2026	51-200	5 contacts →
	Exact match “Green Electrics unterstützt Sie als Komplettanbieter zuverlässig mit innovativen Lösungen in allen energiewirtschaftlichen Belangen zum Thema Licht, Photovoltaik, Smart Home und…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Greesma Energy Services Gmbh	Exact match	Sankt Margarethen An Der Raab, AustriaHQ recorded Sep 17, 2026	1-10	5 contacts →
	Exact match “Greesma ist Ihr professioneller Partner für nachhaltige, intelligente und wirtschaftliche Energielösungen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	AAE Naturstrom	Exact match	Kötschach-mauthen, AustriaHQ recorded Sep 17, 2026	11-50	4 contacts →
	Exact match “Wir garantieren unseren Kunden die Belieferung mit Strom aus 100 Prozent erneuerbaren Energiequellen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Fullset	Exact match	Bruck An Der Leitha, AustriaHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “Energy available whenever you need it - energy storage systems for residential, industrial and RES farms applications FullSet is all about: protection of your home or business…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Sturm Energie Gmbh	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match Recorded description not available. 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 “residential renewable energy 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 86 residential renewable energy companies based in Austria

See the full list, filter by size, metro and specialty, and access 272 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Residential renewable energy companies based in Austria at a glance

As of Sep 17, 2026

46.9%Verified-email coverage

6.7Average contacts per company

11-50Median size (employees)

11.6%Largest-city concentration · Vienna

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

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 86 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 “residential renewable energy 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 272 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 “residential renewable energy companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 86 company matches for residential renewable energy 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?

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

Which city has the most residential renewable energy companies?

Vienna leads with 10 company records, followed by Linz (5) and Graz (4).

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 272 professional contacts with verified work emails tracked across these 86 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.