Company lists · Data refreshed September 2026

Top 25 Renewable energy advocacy organizations based in Germany

Name: Renewable energy advocacy organizations based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 162 companies tracked

RevenueBase identified 162 company matches for renewable energy advocacy organizations associated with Germany as of September 2026 and tracks 2,386 professional contacts across them, including 702 with verified work emails. Berlin is the largest hub.

This list covers company matches for renewable energy advocacy organizations 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 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

162Companies

2,386Contacts tracked

702Verified emails

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The 25 largest renewable energy advocacy organizations based in Germany

Ranked by team size

Top 25 of 162 company matches for renewable energy advocacy organizations based in Germany, 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	Fraunhofer-Institut FÜR Solare Energiesysteme ISE	Exact match	Freiburg, GermanyHQ recorded Sep 17, 2026	1,001-5,000	894 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 · Sep 17, 2026 · View company records in RevenueBase
2	Sonnen Gmbh	Exact match	Wildpoldsried, GermanyHQ recorded Sep 17, 2026	501-1,000	514 contacts →
	Exact match “Clean, affordable energy for all is one of the greatest challenges of our time.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	ane.energy	Exact match	Husum, GermanyHQ recorded Sep 17, 2026	51-200	44 contacts →
	Exact match “Herzlich Willkommen bei der ane.energy!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Bundesverband Erneuerbare Energie E.V. BEE	Exact match	Berlin, GermanyHQ recorded Sep 17, 2026	11-50	35 contacts →
	Exact match “Als Dachverband der Erneuerbare-Energien-Branche in Deutschland bündelt der BEE die Interessen von 55 Verbänden und Unternehmen aus den Branchen der Wind, Bio- und Solarenergie…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Solakon Gmbh	Exact match	Schwäbisch Hall, GermanyHQ recorded Sep 17, 2026	51-200	30 contacts →
	Exact match “Unsere Mission ist es, Solarenergie für jeden Haushalt zugänglich zu machen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Carbonfreed	Exact match	Meldorf, GermanyHQ recorded Sep 17, 2026	11-50	29 contacts →
	Exact match “We are CarbonFreed.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Pionext	Exact match	Alzey, GermanyHQ recorded Sep 17, 2026	11-50	28 contacts →
	Exact match “Mit geballter Power voran: PIONEXT vereint drei erfolgreiche Energieunternehmen aus dem Südwesten Deutschlands und setzt so im Bereich erneuerbare Energien neue Maßstäbe.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Gaia MBH	Exact match	Lambsheim, GermanyHQ recorded Sep 17, 2026	51-200	26 contacts →
	Exact match “GAIA mbH is a renewables & environment company based out of 28 Jahnstraße, Lambsheim, Rhineland-Palatinate, Germany.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Kraftwerk Renewable Power Solutions	Exact match	Weingarten, GermanyHQ recorded Sep 17, 2026	11-50	24 contacts →
	Exact match “KRAFTWERK Renewable Power Solutions ist seit mehr als einem Jahrzehnt eine verlässliche Größe, wenn es um den Ausbau der erneuerbaren Energien geht: Wir haben 2010 begonnen, einen…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Umweltinstitut München	Exact match	Munich, GermanyHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “Das Umweltinstitut München ist ein unabhängiger Verein, der sich gegen Atomkraft, für gentechnikfreies Essen, für eine nachhaltige Energiewende und für den ökologischen Landbau…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Juno Solar	Exact match	Werdau, GermanyHQ recorded Sep 17, 2026	51-200	22 contacts →
	Exact match “Erneuerbare Energien schützen unseren Planeten, denn für ihn gibt es nur eine Chance.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	MLK Gruppe	Exact match	Erkelenz, GermanyHQ recorded Sep 17, 2026	51-200	21 contacts →
	Exact match “Klimaschutz ist eine der wesentlichen Herausforderungen unserer Zeit.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	DGS Deutsche Gesellschaft FÜR Sonnenenergie Landesverband Berlin Brandenburg E.V	Exact match	Berlin, GermanyHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “Eine Handvoll Idealisten gründete nach der Ölkrise 1975 die Deutsche Gesellschaft für Sonnenenergie mit dem Ziel Deutschland zu 100% aus Erneuerbaren Energien zu versorgen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Desertec Foundation	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	1-10	18 contacts →
	Exact match “Within 6 hours deserts receive more energy from the sun than humankind consumes within a year" Based on this scientific finding, the DESERTEC Foundation promotes the widespread…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Enwelo Gmbh & Co. KG	Exact match	Steinfurt, GermanyHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “Unsere Mission ist die regionale Energiewende.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Nash Renewables	Exact match	Hamburg, GermanyHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “NASH Renewables Pioneering Software, Data & AI-Driven Solutions for the Post-Subsidy Renewable Energy Era.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	German Citizen Energy Alliance Bben	Exact match	Berlin, GermanyHQ recorded Sep 17, 2026	1-10	17 contacts →
	Exact match “We are advocating for community energy in Germany for 100% renewable energies latest by 2030” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	SL Naturenergie	Exact match	Gladbeck, GermanyHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Energiewender mit Weitblick Wir wollen die Wende in Nordrhein-Westfalen gemeinsam schaffen – hin zu einem verantwortungsbewussten System der Energieversorgung, von dem wir und…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	KEK	Exact match	Karlsruhe, GermanyHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “KEK - Karlsruher Energie- und Klimaschutzagentur (Climate Protection Agency Karlsruhe) supports and promotes renewable energy solutions and climate protection in Karlsruhe.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Protarget AG	Exact match	Cologne, GermanyHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “Protarget represents science and engineering excellence.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Enersol Gmbh	Exact match	Sachsenheim, GermanyHQ recorded Sep 17, 2026	201-500	12 contacts →
	Exact match “Die N° SICHER für deine ENERGIE-ZUKUNFT Das ist unser Motto und gleichzeitig das Versprechen für jede:n, der oder die mit uns für die Energie-Revolution im Einsatz ist, sei es als…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Phereclus International Gmbh	Exact match	Düsseldorf, GermanyHQ recorded Sep 17, 2026	201-500	10 contacts →
	Exact match “Phereclus International GmbH is a renewables & environment company based out of Eduard-Schloemann-Straße 39, Düsseldorf, North Rhine-Westphalia, Germany.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Solarpraxis Engineering Gmbh	Exact match	Berlin, GermanyHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “Groundbreaking knowledge for the new energy world The story of the Berliner Solarpraxis began in 1992.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Landesenergie- UND Klimaschutzagentur Mecklenburg-Vorpommern Gmbh	Exact match	Stralsund, GermanyHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Herzlich willkommen bei der Landesenergie- und Klimaschutzagentur Mecklenburg-Vorpommern (LEKA MV)!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Agentur FÜR Erneuerbare Energien AEE	Exact match	Berlin, GermanyHQ recorded Sep 17, 2026	11-50	9 contacts →
	Exact match “Die Agentur für Erneuerbare Energien (AEE) begleitet und unterstützt die Energiewende mit PR- und Öffentlichkeitsarbeit, um die Akzeptanz für den Ausbau der Erneuerbaren Energien…” 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 advocacy organizations”. 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 162 renewable energy advocacy organizations based in Germany

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Renewable energy advocacy organizations based in Germany at a glance

As of Sep 17, 2026

29.4%Verified-email coverage

14.7Average contacts per company

1-10Median size (employees)

12.3%Largest-city concentration · Berlin

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 Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 162 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 “renewable energy advocacy organizations” 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 702 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 advocacy organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable energy advocacy organizations are there based in Germany?

RevenueBase identified 162 company matches for renewable energy advocacy organizations associated with Germany 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?

Fraunhofer-Institut FÜR Solare Energiesysteme ISE tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most renewable energy advocacy organizations?

Berlin leads with 20 company records, followed by Munich (11) and Dusseldorf (6).

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 702 professional contacts with verified work emails tracked across these 162 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.