Company lists · Data refreshed September 2026

Top 25 Utility scale energy maintenance based in Germany

RevenueBase identified 74 utility scale energy maintenance headquartered in Germany as of September 2026 and tracks 1,283 professional contacts across them, including 318 with verified work emails. Berlin is the largest hub.

This list covers utility scale energy maintenance headquartered in Germany, 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 19, 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 19, 2026 86% judged on-target in blind review
74Companies
1,283Contacts tracked
318Verified emails
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The 25 largest utility scale energy maintenance based in Germany

Ranked by team size
Top 25 of 74 utility scale energy maintenance based in Germany, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to utility scale energy maintenance: 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
1Partial evidenceOberhausen, GermanyHQ checked Sep 19, 2026501-1,000195 contacts →

Partial evidence

“Partner for the energy Industry Bilfinger has successfully supported and advised customers from the energy industry for decades.”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceLeverkusen, GermanyHQ checked Sep 19, 20261,001-5,000157 contacts →

Indirect evidence

“Als eines der führenden Instandhaltungsunternehmen sorgt Tectrion mit 1.100 Mitarbeiter*innen und fast 145 Azubis für den sicheren und störungsfreien Betrieb von…”

Source: RevenueBase Database · checked Sep 19, 2026
3Partial evidenceEssen, GermanyHQ checked Sep 19, 20261,001-5,000142 contacts →

Partial evidence

“STEAG Energy Services GmbH (SES) is one of the world’s leading service providers for power assets: we offer German minded engineering for more than MW of installed capacity in a…”

Source: RevenueBase Database · checked Sep 19, 2026
4Indirect evidenceBremerhaven, GermanyHQ checked Sep 19, 202651-20038 contacts →

Indirect evidence

“WindMW GmbH, founded in 2008, was responsible for the planning and construction of the 288MW-Offshore Wind Farm Meerwind Süd | Ost.”

Source: RevenueBase Database · checked Sep 19, 2026
5Partial evidenceNordhorn, GermanyHQ checked Sep 19, 202651-20037 contacts →

Partial evidence

Energieversorgung neu gedacht: Industriestandard trifft Handschlagqualität.”

Source: RevenueBase Database · checked Sep 19, 2026
6Partial evidenceStäbelow, GermanyHQ checked Sep 19, 202651-20035 contacts →

Partial evidence

“Die BWTS Energy Services GmbH ist ein herstellerunabhängiger Servicedienstleister im Bereich der Erneuerbaren Energien und betreibt Niederlassungen in Stäbelow, Nordhorn und…”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceBerlin, GermanyHQ checked Sep 19, 202611-5029 contacts →

Indirect evidence

“Technische und kaufmännische Betriebsführung für Wind- und Solaranlagen.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidencePrinzhöfte, GermanyHQ checked Sep 19, 202651-20025 contacts →

Indirect evidence

“MISSION & VISION Durch unseren sicheren und professionellen Service sorgen wir für den einwandfreien und kompetenten Betrieb jeder Anlage.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceBerlin, GermanyHQ checked Sep 19, 202651-20023 contacts →

Indirect evidence

“BORSIG Service GmbH, a member of the BORSIG Group, offers comprehensive services for power generation, chemicals and petrochemicals as well as oil, gas and water supply.”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceSenftenberg, GermanyHQ checked Sep 19, 2026201-50022 contacts →

Indirect evidence

“Die GMB ist ein führender Industriedienstleister aus der Lausitz.”

Source: RevenueBase Database · checked Sep 19, 2026
11Partial evidenceTeichland, GermanyHQ checked Sep 19, 2026201-50021 contacts →

Partial evidence

“SIK Peitz GmbH – dieser Name steht für Dienstleistungen in der Industrie und Energieerzeugung.”

Source: RevenueBase Database · checked Sep 19, 2026
12Partial evidenceKaiserslautern, GermanyHQ checked Sep 19, 2026201-50013 contacts →

Partial evidence

“SOL IN ONE GmbH is a globally active service provider in the field of renewable energies.”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceLiederbach Am Taunus, GermanyHQ checked Sep 19, 202611-5013 contacts →

Indirect evidence

“WEA SERVICE ist Ihr zuverlässiger und herstellerunabhängiger Service Partner für die bundesweite Instandhaltung von Windenergieanlagen.”

Source: RevenueBase Database · checked Sep 19, 2026
14Partial evidenceEberswalde, GermanyHQ checked Sep 19, 202611-5010 contacts →

Partial evidence

“PREMIUM MAINTENANCE FOR WIND TURBINES: Maximum plant availability & uncompromising safety.”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceBerlin, GermanyHQ checked Sep 19, 202611-509 contacts →

Indirect evidence

“Qualität ist eine Frage der Erfahrung!”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceBerlin-prenzlauer Berg, GermanyHQ checked Sep 19, 202611-508 contacts →

Indirect evidence

“Die DSD Power Technologies GmbH ist Teil einer internationalen Unternehmensgruppe.”

Source: RevenueBase Database · checked Sep 19, 2026
17Partial evidenceHamburg, GermanyHQ checked Sep 19, 202611-508 contacts →

Partial evidence

“ensibo is an independent service provider for Operations & Maintenance of solar power plants.”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidencePeitz, GermanyHQ checked Sep 19, 202651-2007 contacts →

Indirect evidence

“Wir, die Kraftwerks-Service Cottbus Anlagenbau GmbH (KSC), sind ein mittelständisches Unternehmen mit Wurzeln in den Bereichen Instandhaltung, Service und Fertigung sowie…”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceSalem, GermanyHQ checked Sep 19, 202611-506 contacts →

Indirect evidence

“Die Sun2Energy GmbH – Ihr unabhängiger 360°-Partner für Photovoltaikanlagen ab 750 kWp und BESS.”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceHamburg, GermanyHQ checked Sep 19, 202611-506 contacts →

Indirect evidence

“Ept Services GmbH, is a Production Company providing MV/NS power switching station, Including Full installation to Maintenace operations.”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceLastrup, GermanyHQ checked Sep 19, 202611-506 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceStraßkirchen, GermanyHQ checked Sep 19, 202611-504 contacts →

Indirect evidence

“Für den effizienten Betrieb Ihrer Photovoltaikanlage ist eine leistungsfähige Betriebsführung mit Vor-Ort-Service die Grundlage für maximale Verfügbarkeit und beste Renditen.”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceBerlin, GermanyHQ checked Sep 19, 202611-504 contacts →

Indirect evidence

“Der Spezialist für Service, Wartung und Monitoring von Photovoltaikanlagen.”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceGroßschirma, GermanyHQ checked Sep 19, 202611-503 contacts →

Indirect evidence

“Die Heliotec Betriebs- & Verwaltungs GmbH ist ein Teil der 3ENERGY Unternehmensgruppe, die als Full-Service-Dienstleister für passgenaue Lösungen im Bereich der nachhaltigen und…”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceSchwerin, GermanyHQ checked Sep 19, 202611-502 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 74 utility scale energy maintenance based in Germany

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Utility scale energy maintenance based in Germany at a glance

As of Sep 19, 2026
24.8%Verified-email coverage
17.3Average contacts per company
11-50Median size (employees)
8.1%Largest-city concentration · Berlin
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
20
11-50
27
51-200
11
201-500
5
501-1,000
2
1,001-5,000
3

Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 74 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 utility scale energy maintenance, 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 Germany whose own description of what they do matches “utility scale energy maintenance”. 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 utility scale energy maintenance), 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 utility scale energy maintenance, and records with no verified work email. Companies headquartered outside Germany 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, 318 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 19, 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 utility scale energy maintenance, 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 utility scale energy maintenance are there based in Germany?

RevenueBase identified 74 utility scale energy maintenance headquartered in Germany 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?

Bilfinger Energy Transition, headquartered in Oberhausen, tops this list with the largest team on record.

Which city has the most utility scale energy maintenance?

Berlin leads with 6 headquartered companies, followed by Hamburg (3) and Nordhorn (3).

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 318 verified decision-maker contacts tracked across these 74 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 19, 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.