Company lists · Data refreshed September 2026

Top 25 Renewable energy and clean tech companies based in Greece

Name: Renewable energy and clean tech companies based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 105 companies tracked

RevenueBase identified 105 company matches for renewable energy and clean tech companies associated with Greece as of September 2026 and tracks 1,652 professional contacts across them, including 561 with verified work emails. Athens is the largest hub.

This list covers company matches for renewable energy and clean tech companies associated with Greece, 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

105Companies

1,652Contacts tracked

561Verified emails

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The 25 largest renewable energy and clean tech companies based in Greece

Ranked by team size

Top 25 of 105 company matches for renewable energy and clean tech companies based in Greece, 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	PPC Renewables	Exact match	Athens, GreeceHQ recorded Sep 17, 2026	201-500	312 contacts →
	Exact match “Public Power Corporation Renewables, subsidiary of PPC S.A, Greece’s largest power generation company, is dedicated to the development and management of energy production from…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Terna Energy	Exact match	Athens, GreeceHQ recorded Sep 17, 2026	501-1,000	238 contacts →
	Exact match “TERNA ENERGY, has been a key player in the renewable energy sector for over two decades, holding the largest and most diversified portfolio of projects in Greece, with 2,500 MW in…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Principia Energy	Exact match	Marousi, GreeceHQ recorded Sep 17, 2026	51-200	102 contacts →
	Exact match “Principia is a leading force in Greece's renewable energy sector, driving the transition to a sustainable future.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Faria Renewables S.A	Exact match	Thessaloniki, GreeceHQ recorded Sep 17, 2026	11-50	33 contacts →
	Exact match “FARIA Renewables is a joint corporate formation between FARIA Group and Capenergie 5 Fund, targeting to co-operate closely for the development and operation of Renewable Energy…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Entec Contractors S.A. GR	Exact match	Kallithea, GreeceHQ recorded Sep 17, 2026	51-200	31 contacts →
	Exact match “Entec Contractors S.A, a member of the Entec Group, is an Engineering, Procurement and Construction (EPC) company for the energy and digital transition.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Survey Digital Photovoltaics	Exact match	Gerakas, GreeceHQ recorded Sep 17, 2026	51-200	27 contacts →
	Exact match “Survey Digital Photovoltaics is a vertically integrated company of approx.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Aenaos Energy Systems	Exact match	Athens, GreeceHQ recorded Sep 17, 2026	51-200	26 contacts →
	Exact match “AENAOS - Energy Systems is a Greek energy company active in the field of Renewable Energy Sources.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Airenergy SA	Exact match	Agia Paraskevi, GreeceHQ recorded Sep 17, 2026	11-50	24 contacts →
	Exact match “AirEnergy S.A, was established in 2008, leads to energy transition towards a sustainable future in Greece.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Resinvest	Exact match	Athens, GreeceHQ recorded Sep 17, 2026	11-50	23 contacts →
	Exact match “RESINVEST undertakes the development and construction of RES projects and offers a customised range of services in the energy efficiency scope by identifying and optimally…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Verd S.A	Exact match	Marousi, GreeceHQ recorded Sep 17, 2026	51-200	23 contacts →
	Exact match “VERD is a next-generation green energy company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	R Energy 1 Holdings SA	Exact match	Marousi, GreeceHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “Since its inception, R Energy 1 Holdings has created a strong development platform in Greece, with a portfolio of photovoltaic parks and-wind farms under construction, situated at…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Euroenergy	Exact match	Athens, GreeceHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “With nearly two decades of experience, EuroEnergy has a growing presence in five countries-Greece, Romania, Poland, Croatia, and Latvia.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	ECO SUN LTD	Exact match	Thessaloniki, GreeceHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “ECO//SUN Ltd is a pioneer company in the renewable energy sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Ixion Energy S.A	Exact match	Khalándrion, GreeceHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Engaia S.A	Exact match	Sindos, GreeceHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Green Greek Environmental & Energy Network SA	Exact match	Piraeus, GreeceHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “GREEN is an engineering and infrastructure company delivering integrated solutions that advance critical energy and industrial infrastructure.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Entricity	Exact match	Kifisia, GreeceHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Entricity is a Firm specializing in Renewable Energy with a focus on the European markets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Duferco Hellas SA	Exact match	Athens, GreeceHQ recorded Sep 17, 2026	1-10	9 contacts →
	Exact match “Duferco Hellas SA is the JV between Duferco Energia S.P.A.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Prenecon	Exact match	Glifadha, GreeceHQ recorded Sep 17, 2026	201-500	9 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Alesco SA	Exact match	Ioannina, GreeceHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Η ALESCO είναι μία εταιρεία ολοκληρωμένων ενεργειακών λύσεων με εξειδίκευση στα φωτοβολταϊκά συστήματα, την αποθήκευση ενέργειας, την ενεργειακή αναβάθμιση κτιρίων και τις…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	WPD Hellas	Exact match	Vrilissia, GreeceHQ recorded Sep 17, 2026	1-10	8 contacts →
	Exact match “wpd Hellas is a subsidiary of the German wpd group, one of Europe's leading wind and PV power operators with long experience in developing, financing and operating of renewable…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Encircle Energy Specialists	Exact match	Pefka, GreeceHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “Encircle Energy Specialists: Empowering Tomorrow's Sustainability with Ambitious Engineers Welcome to Encircle Energy Specialists, where we're on a mission to drive positive…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Wattcrop	Exact match	Ptolemaḯs, GreeceHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “Wattcrop is a pioneering renewable energy and energy storage developer that has established its presence in the Greek energy market as a true startup success story.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Megva Energy	Exact match	Thessaloniki, GreeceHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “MEGVA Energy, an ISO 9001:2015, ISO 45001:2018, ISO 14001:2015 certified company, is a leading innovator in the renewable energy sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Promitheas Energy Group	Exact match	Thessaloniki, GreeceHQ recorded Sep 17, 2026	1-10	6 contacts →
	Exact match “Promitheas Energy Groups' team of experts has significant experience in the field of Renewable Energy Sources, supporting efficiently a wide workflow framework, from land scouting…” 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 and clean tech 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 105 renewable energy and clean tech companies based in Greece

See the full list, filter by size, metro and specialty, and access 561 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Renewable energy and clean tech companies based in Greece at a glance

As of Sep 17, 2026

34.0%Verified-email coverage

15.7Average contacts per company

11-50Median size (employees)

18.1%Largest-city concentration · Athens

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for Greece, so it is reported there. Company counts and contact totals on this page are exact for Greece, over 105 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 Greece whose business descriptions match “renewable energy and clean tech 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 561 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 and clean tech companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy and clean tech companies are there based in Greece?

RevenueBase identified 105 company matches for renewable energy and clean tech companies associated with Greece 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?

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

Which city has the most renewable energy and clean tech companies?

Athens leads with 19 company records, followed by Marousi (4) and Thessaloniki (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 561 professional contacts with verified work emails tracked across these 105 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.