Company lists · Data refreshed September 2026

Top 14 Renewable thermal power companies based in Greece

RevenueBase identified 36 renewable thermal power companies headquartered in Greece as of September 2026 and tracks 860 professional contacts across them, including 404 with verified work emails. Athens is the largest hub.

This list covers renewable thermal power companies headquartered in Greece, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review
36Companies
860Contacts tracked
404Verified emails
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The 14 largest renewable thermal power companies based in Greece

Ranked by team size
Top 14 of 36 renewable thermal power companies based in Greece, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to renewable thermal power companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceAthens, GreeceHQ checked Sep 16, 2026201-500312 contacts →

Strong evidence

“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…”

Source: RevenueBase Database · checked Sep 16, 2026
2Indirect evidenceMarousi, GreeceHQ checked Sep 16, 2026201-500249 contacts →

Indirect evidence

“One Group | One Energy We are Enerwave, member of HELLENiQ ENERGY and one of the leading energy groups in Southeast Europe.”

Source: RevenueBase Database · checked Sep 16, 2026
3Indirect evidenceGerakas, GreeceHQ checked Sep 16, 202651-20027 contacts →

Indirect evidence

“Survey Digital Photovoltaics is a vertically integrated company of approx.”

Source: RevenueBase Database · checked Sep 16, 2026
4Indirect evidenceAgia Paraskevi, GreeceHQ checked Sep 16, 202611-5024 contacts →

Indirect evidence

“AirEnergy S.A, was established in 2008, leads to energy transition towards a sustainable future in Greece.”

Source: RevenueBase Database · checked Sep 16, 2026
5Indirect evidenceAthens, GreeceHQ checked Sep 16, 202611-5021 contacts →

Indirect evidence

“With nearly two decades of experience, EuroEnergy has a growing presence in five countries-Greece, Romania, Poland, Croatia, and Latvia.”

Source: RevenueBase Database · checked Sep 16, 2026
6Indirect evidencePiraeus, GreeceHQ checked Sep 16, 202651-20017 contacts →

Indirect evidence

“Calpak is renowned for its wealth of technical expertise and heritage in groundbreaking R&D.”

Source: RevenueBase Database · checked Sep 16, 2026
7Indirect evidenceKhalándrion, GreeceHQ checked Sep 16, 202611-5010 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 16, 2026
8Indirect evidenceSindos, GreeceHQ checked Sep 16, 202611-5010 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 16, 2026
9Indirect evidencePiraeus, GreeceHQ checked Sep 16, 202611-5010 contacts →

Indirect evidence

“GREEN is an engineering and infrastructure company delivering integrated solutions that advance critical energy and industrial infrastructure.”

Source: RevenueBase Database · checked Sep 16, 2026
10Partial evidenceThessaloniki, GreeceHQ checked Sep 16, 202611-506 contacts →

Partial evidence

“MEGVA Energy, an ISO 9001:2015, ISO 45001:2018, ISO 14001:2015 certified company, is a leading innovator in the renewable energy sector.”

Source: RevenueBase Database · checked Sep 16, 2026
11Partial evidenceThessaloniki, GreeceHQ checked Sep 16, 20261-106 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 16, 2026
12Indirect evidencePeania, GreeceHQ checked Sep 16, 202611-505 contacts →

Indirect evidence

“Ether is a trustworthy and dynamic company, aiming at the energy sector.”

Source: RevenueBase Database · checked Sep 16, 2026
13Partial evidenceMarousi, GreeceHQ checked Sep 16, 202651-2002 contacts →

Partial evidence

“The Zephiros Group began its journey in 1997 with the establishment of Zephiros Ltd, laying a solid foundation for our enduring commitment to renewable energy.”

Source: RevenueBase Database · checked Sep 16, 2026
14Indirect evidencePiraeus, GreeceHQ checked Sep 16, 202651-2001 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 16, 2026

Showing 14 of 36 renewable thermal power companies based in Greece

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Renewable thermal power companies based in Greece at a glance

As of Sep 16, 2026
47.0%Verified-email coverage
23.9Average contacts per company
11-50Median size (employees)
8.3%Largest-city concentration · Athens
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
14
11-50
14
51-200
6
201-500
2

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 36 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among renewable thermal power companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Greece whose own description of what they do matches “renewable thermal power companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names renewable thermal power companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among renewable thermal power companies, and records with no verified work email. Companies headquartered outside Greece are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 404 across the full list. 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 16, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names renewable thermal power companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many renewable thermal power companies are there based in Greece?

RevenueBase identified 36 renewable thermal power companies headquartered in Greece as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

PPC Renewables, headquartered in Greece, tops this list with the largest team on record.

Which city has the most renewable thermal power companies?

Athens leads with 3 headquartered companies, followed by Marousi (2) and Piraeus (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 404 verified decision-maker contacts tracked across these 36 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 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 Smart Search, 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.