Company lists · Data refreshed November 2026

Top 20 Renewable energy technology providers based in Slovenia

RevenueBase identified 40 company matches for renewable energy technology providers associated with Slovenia as of November 2026 and tracks 905 professional contacts across them, including 619 with verified work emails. Ljubljana is the largest hub.

This list covers company matches for renewable energy technology providers associated with Slovenia, 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 November 6, 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 Nov 6, 2026 How this list was built
40Companies
905Contacts tracked
619Verified emails
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The 20 largest renewable energy technology providers based in Slovenia

Ranked by team size
Top 20 of 40 company matches for renewable energy technology providers based in Slovenia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchKrško, SloveniaHQ recorded Nov 6, 2026501-1,000490 contacts →

Exact match

“Since its establishment in 2004, the GEN-I Group has been recognized as one of the most innovative and fastest-growing players in the European energy market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLjubljana, SloveniaHQ recorded Nov 6, 2026201-500153 contacts →

Exact match

“The HSE Group is one of the leading energy companies in Slovenia, the largest producer of electricity from renewable sources and a key electricity trader on the Slovenian…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLjubljana, SloveniaHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Interenergo is an international Ljubljana-based energy company and one of the largest of its kind in Slovenia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchŠempeter, SloveniaHQ recorded Nov 6, 202651-20020 contacts →

Exact match

“Proaktivno povezujemo obnovljive vire v učinkovito in varno prihodnost.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMaribor, SloveniaHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Podjetje Enertec z blagovno znamko MOJA ELEKTRARNA na trg prinaša dovršene energetske rešitve v kombinaciji izrabe sončne energije.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLjubljana, SloveniaHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“SunContract je inovativno energetsko podjetje, ki združuje dobavo elektrike, sončne elektrarne, baterijske hranilnike, pametno upravljanje energije in decentralizirano energetsko…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchKoper, SloveniaHQ recorded Nov 6, 20261-1016 contacts →

Exact match

“We are CESol, we are the wholesaler of PV and storage related products.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchJesenice Na Dolenjskem, SloveniaHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“We are a company whose main industry field is energetics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLjubljana, SloveniaHQ recorded Nov 6, 202651-2009 contacts →

Exact match

“Complete Energy Solutions C&G is a forward-looking engineering, innovative, development and marketing-oriented company with a long tradition in energy infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchCelje, SloveniaHQ recorded Nov 6, 202611-509 contacts →

Exact match

“V podjetju Sol Navitas že od leta 2008 delujemo na področju fotovoltaike in postavljamo vse vrste sončnih elektrarn, baterijskih hranilnikov in polnilnih postaj.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMedvode, SloveniaHQ recorded Nov 6, 202651-2007 contacts →

Exact match

“Smo strokovnjaki za proizvodnjo električne energije.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPreserje, SloveniaHQ recorded Nov 6, 202651-2007 contacts →

Exact match

“We have been a leading company in the field of photovoltaics in Slovenia, Croatia and Serbia for more than 15 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMaribor, SloveniaHQ recorded Nov 6, 20261-107 contacts →

Exact match

“We specialize in optimizing companies' energy efficiency through the use of state-of-the-art energy storage devices.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMaribor, SloveniaHQ recorded Nov 6, 20261-105 contacts →

Exact match

“Dobrodošli v svetu fotovoltaike s podjetjem Enerson d.o.o.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRadovljica, SloveniaHQ recorded Nov 6, 202611-505 contacts →

Exact match

“At BEL Energija, we work with professional partners to deliver reliable solar power plants and energy storage solutions for residential, commercial, and industrial projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLjubljana, SloveniaHQ recorded Nov 6, 20261-103 contacts →

Exact match

“At Opus Solis, we are offering turnkey solar power plant solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLjubljana, SloveniaHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Smo podjetje, ki deluje na področju energetskega inženiringa, načrtovanja in izgradnje elektrarn.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMaribor, SloveniaHQ recorded Nov 6, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLjubljana, SloveniaHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Elektro Ljubljana OVE d.o.o, renewable energy engineering, is a subsidiary of Elektro Ljubljana d.d, and a legal successor of the enterprise MHE Elektro Ljubljana d.o.o…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchGomilsko, SloveniaHQ recorded Nov 6, 20261-101 contacts →

Exact match

“NOVERGIJA, sodobno podjetje, ki utira pot obnovljivim virom energije, je odgovor trgu na vedno večjo potrebo po trajnostni energiji.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 20 of 40 renewable energy technology providers based in Slovenia

See the full list, filter by size, metro and specialty, and access 619 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Renewable energy technology providers based in Slovenia at a glance

As of Nov 6, 2026
68.4%Verified-email coverage
22.6Average contacts per company
1-10Median size (employees)
30.0%Largest-city concentration · Ljubljana
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
23
11-50
7
51-200
7
201-500
2
501-1,000
1

Email recency for this list is measured worldwide rather than for Slovenia, so it is reported there. Company counts and contact totals on this page are exact for Slovenia, over 40 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 Slovenia whose business descriptions match “renewable energy technology providers” 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 619 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 November 6, 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 technology providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy technology providers are there based in Slovenia?

RevenueBase identified 40 company matches for renewable energy technology providers associated with Slovenia as of November 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?

Gen-I, D.O.O tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most renewable energy technology providers?

Ljubljana leads with 12 company records, followed by Maribor (6) and Celje (3).

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 619 professional contacts with verified work emails tracked across these 40 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 November 6, 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.