Company lists · Data refreshed September 2026

Top 25 Renewable energy integration companies based in Austria

Name: Renewable energy integration 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 240 companies tracked

RevenueBase identified 240 company matches for renewable energy integration companies associated with Austria as of September 2026 and tracks 9,887 professional contacts across them, including 3,404 with verified work emails. Vienna is the largest hub.

This list covers company matches for renewable energy integration 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

240Companies

9,887Contacts tracked

3,404Verified emails

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The 25 largest renewable energy integration companies based in Austria

Ranked by team size

Top 25 of 240 company matches for renewable energy integration 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	OMV	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	10001+	7,450 contacts →
	Exact match “It is our purpose to re-invent essentials for sustainable living.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Kelag Energie	Exact match	Klagenfurt, AustriaHQ recorded Sep 17, 2026	1,001-5,000	434 contacts →
	Exact match “Der Kelag-Konzern ist eines der führenden Energiedienstleistungsunternehmen in Österreich.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	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
4	Burgenland Energie AG	Exact match	Eisenstadt, AustriaHQ recorded Sep 17, 2026	501-1,000	182 contacts →
	Exact match “Die Burgenland Energie AG ist ein innovationsgetriebenes österreichisches Energie-Dienstleistungsunternehmen, das massiv in den Ausbau erneuerbarer Energien investiert.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	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
6	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
7	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
8	Dieffenbacher Energy	Exact match	Bludenz, AustriaHQ recorded Sep 17, 2026	51-200	63 contacts →
	Exact match “We offer our customers in the international power plant and plant engineering sectors a wide range of advanced solutions for sustainable energy generation.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	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
10	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
11	Cybergrid	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	51-200	44 contacts →
	Exact match “CyberGrid is specialist in the development of innovative flexibility management solutions for a secure and clean grid.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	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
13	M-Tec Energy For Future	Exact match	Pinsdorf, AustriaHQ recorded Sep 17, 2026	51-200	36 contacts →
	Exact match “Over 4 decades of experience, more than installations and the constant further development of our technology are important cornerstones of the corporate strategy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Electrify	Exact match	Wolkersdorf Im Weinviertel, AustriaHQ recorded Sep 17, 2026	51-200	29 contacts →
	Exact match “Wir, das Team der electrify, engagieren uns für innovative Mobilitätskonzepte, die den Umweltschutz auf die Straße bringen, die Sonnenenergie zu den Menschen und den…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Solid Solar Energy Systems Gmbh	Exact match	Graz, AustriaHQ recorded Sep 17, 2026	11-50	27 contacts →
	Exact match “SOLID brings together extraordinary knowledge, experience in market application and R&D in areas of planning and operation of large-scale solar thermal energy systems and solar…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Austriaenergy	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	11-50	24 contacts →
	Exact match “The AustriaEnergy Group is a global independent site developer with technology selección and IPP (Independent Power Producer) of utility-scale wind, green hydrogen and solar…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	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
18	backbone.one	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “We are the backbone for new business models and transactions in the Internet of Energy.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Enexsa Gmbh	Exact match	Raaba-grambach, AustriaHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “ENEXSA (formerly VTU Energy) is a team of highly qualified engineers with long-term experience in the power industry who offer consulting services and software solutions for the…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	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
21	E7 Energy Innovation & Engineering	Exact match	Vienna, AustriaHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “e7 is a private research and consulting company specialized in the energy efficiency and the renewable energy sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	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
23	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
24	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
25	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

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 integration 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 240 renewable energy integration companies based in Austria

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Renewable energy integration companies based in Austria at a glance

As of Sep 17, 2026

34.4%Verified-email coverage

41.2Average contacts per company

1-10Median size (employees)

13.8%Largest-city concentration · Vienna

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

121

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

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 240 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 integration 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 3,404 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 integration companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 240 company matches for renewable energy integration 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?

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

Which city has the most renewable energy integration companies?

Vienna leads with 33 company records, followed by Graz (11) 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 3,404 professional contacts with verified work emails tracked across these 240 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.