Company lists · Data refreshed November 2026

Top 22 Green energy system integrators based in Germany

RevenueBase identified 2,740 company matches for green energy system integrators associated with Germany as of November 2026 and tracks 36,816 professional contacts across them, including 14,138 with verified work emails. Berlin is the largest hub.

This list covers company matches for green energy system integrators associated with Germany, 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
2,740Companies
36,816Contacts tracked
14,138Verified emails
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The 22 largest green energy system integrators based in Germany

Ranked by team size
Top 22 of 2,740 company matches for green energy system integrators based in Germany, 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 matchBerlin, GermanyHQ recorded Nov 6, 20265,001-10,0003,483 contacts →

Exact match

“Enpal is Europe's leading new energy company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHamburg, GermanyHQ recorded Nov 6, 20261,001-5,0001,084 contacts →

Exact match

“1KOMMA5° wurde gegründet um Millionen Gebäude in Europa klimaneutral immer mit dem günstigsten Strom zu versorgen - ganz ohne fossile Energie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchFreiburg, GermanyHQ recorded Nov 6, 20261,001-5,000950 contacts →

Exact match

“The Fraunhofer Institute for Solar Energy Systems ISE in Freiburg, Germany is the largest solar research institute in Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBerlin, GermanyHQ recorded Nov 6, 2026501-1,000701 contacts →

Exact match

“ib vogt is firmly committed to supporting the decarbonisation of the global electricity sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBerlin, GermanyHQ recorded Nov 6, 2026501-1,000606 contacts →

Exact match

“Q ENERGY is Europe’s 360° green energy company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBerlin, GermanyHQ recorded Nov 6, 20261,001-5,000446 contacts →

Exact match

“Gemeinsam machen wir Wohnen klimaneutral!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchReußenköge, GermanyHQ recorded Nov 6, 2026501-1,000416 contacts →

Exact match

“GP JOULE is an integrated energy supplier that covers the entire energy value chain, from generation to use – and from consulting and financing through to project planning…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchEssen, GermanyHQ recorded Nov 6, 20261,001-5,000388 contacts →

Exact match

“Iqony makes green energy feasible.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHirschberg An Der Bergstraße, GermanyHQ recorded Nov 6, 2026501-1,000387 contacts →

Exact match

“GOLDBECK SOLAR is an internationally leading company specializing in the turnkey construction of industrial, commercial, and large‑scale photovoltaic systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLeipzig, GermanyHQ recorded Nov 6, 2026201-500331 contacts →

Exact match

“Mit über installierten Anlagen und einem umfassenden Netzwerk aus Fachkräften sorgen wir jedes Jahr für circa 70 Millionen € Stromersparnis bei unseren Kundinnen und Kunden.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMunich, GermanyHQ recorded Nov 6, 20261,001-5,000323 contacts →

Exact match

“At BayWa r.e.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLeipzig, GermanyHQ recorded Nov 6, 202651-200315 contacts →

Exact match

“A company with a profile The German Energy Supply GmbH Since 2009, Deutsche Energieversorgung GmbH in Leipzig has been developing and producing intelligent power storage systems…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWeil Der Stadt / Hausen, GermanyHQ recorded Nov 6, 20261,001-5,000247 contacts →

Exact match

“Since 1995, Krannich Solar has been a strong partner for photovoltaic installers and offers everything that drives the energy revolution: sound advice, effective logistics and one…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchTraunstein, GermanyHQ recorded Nov 6, 2026201-500221 contacts →

Exact match

“MaxSolar is a leading provider of integrated, innovative energy solutions for companies and municipalities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCuxhaven, GermanyHQ recorded Nov 6, 2026501-1,000217 contacts →

Exact match

“The PNE Group operates internationally and is one of the most experienced developers of wind farm projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBad Staffelstein, GermanyHQ recorded Nov 6, 2026201-500212 contacts →

Exact match

“IBC SOLAR ist ein führender globaler Anbieter von Lösungen und Dienstleistungen im Bereich Photovoltaik und Energiespeicher.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHamburg, GermanyHQ recorded Nov 6, 2026201-500203 contacts →

Exact match

“greentech is an integrated solar and storage specialist: The areas of business include project development, design, construction, and operational management of photovoltaic (PV)…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHamburg, GermanyHQ recorded Nov 6, 2026501-1,000201 contacts →

Exact match

“Wir sind Ihr Partner für die smarte Energiewende in der Wohnimmobilie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSteinhagen, GermanyHQ recorded Nov 6, 2026201-500188 contacts →

Exact match

“Mit Premium-Photovoltaikanlagen und Wärmepumpen im Komplettpaket erleichtern wir seit 2010 Privat- und Gewerbekunden bundesweit den Umstieg auf eine unabhängige, nachhaltige…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchZossen, GermanyHQ recorded Nov 6, 2026201-500181 contacts →

Exact match

“About us We have been active in the renewable energy market since 1997.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchDüsseldorf, GermanyHQ recorded Nov 6, 2026201-500174 contacts →

Exact match

“Gemeinsam für die Energie von morgen!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBerlin, GermanyHQ recorded Nov 6, 202651-200159 contacts →

Exact match

“Reonic enables renewable energy installers to sell, design and install systems better and faster than ever before.”

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

Showing 22 of 2,740 green energy system integrators based in Germany

See the full list, filter by size, metro and specialty, and access 14,138 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Green energy system integrators based in Germany at a glance

As of Nov 6, 2026
38.4%Verified-email coverage
13.4Average contacts per company
11-50Median size (employees)
7.6%Largest-city concentration · Berlin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,199
11-50
962
51-200
324
201-500
71
501-1,000
18
1,001-5,000
20
5,001-10,000
3
10001+
4

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 2,740 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 Germany whose business descriptions match “green energy system integrators” 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 14,138 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 “green energy system integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many green energy system integrators are there based in Germany?

RevenueBase identified 2,740 company matches for green energy system integrators associated with Germany 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?

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

Which city has the most green energy system integrators?

Berlin leads with 209 company records, followed by Munich (98) and Hamburg (87).

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 14,138 professional contacts with verified work emails tracked across these 2,740 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.