Company lists · Data refreshed September 2026

Top 25 Residential renewable energy companies based in Belgium

Name: Residential renewable energy companies based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 228 companies tracked

RevenueBase identified 228 company matches for residential renewable energy companies associated with Belgium as of September 2026 and tracks 2,109 professional contacts across them, including 772 with verified work emails. Liege is the largest hub.

This list covers company matches for residential renewable energy companies associated with Belgium, 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

228Companies

2,109Contacts tracked

772Verified emails

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The 25 largest residential renewable energy companies based in Belgium

Ranked by team size

Top 25 of 228 company matches for residential renewable energy companies based in Belgium, 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	Eneco Belgium	Exact match	Mechelen, BelgiumHQ recorded Sep 17, 2026	201-500	250 contacts →
	Exact match “Eneco Belgium is a sustainable energy provider.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Energyvision	Exact match	Ghent, BelgiumHQ recorded Sep 17, 2026	201-500	186 contacts →
	Exact match “At EnergyVision, we are committed to creating a better world by making green energy accessible to everyone.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Renner Energies	Exact match	Leuven, BelgiumHQ recorded Sep 17, 2026	51-200	90 contacts →
	Exact match “At Renner Energies (formerly Windvision), our mission is to expand the power of renewable energy for present and future generations.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Aspiravi	Exact match	Kortrijk, BelgiumHQ recorded Sep 17, 2026	51-200	80 contacts →
	Exact match “Since 2002, Aspiravi has been pioneering the energy transition Backed by 88 Belgian cities and municipalities, together with VEH, we combine strong local roots with the scale and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Totalenergies Power & GAS Belgium	Exact match	Liege, BelgiumHQ recorded Sep 17, 2026	201-500	76 contacts →
	Exact match “TotalEnergies, your new supplier of green electricity, at home and on the go.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Opteco	Exact match	Zonhoven, BelgiumHQ recorded Sep 17, 2026	11-50	58 contacts →
	Exact match “Met een ervaring van meer dan installaties heeft het management van Opteco de nodige kennis in huis om uw project te realiseren.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Energyking	Exact match	Herent, BelgiumHQ recorded Sep 17, 2026	51-200	53 contacts →
	Exact match “EnergyKing werd in 2013 opgericht door twee ingenieurs: Lucas & Wiet.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Izen Energy Systems NV	Exact match	Lille, BelgiumHQ recorded Sep 17, 2026	51-200	52 contacts →
	Exact match “Achieving the energy transition!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Insaver	Exact match	Houthalen, BelgiumHQ recorded Sep 17, 2026	51-200	45 contacts →
	Exact match “At Insaver, we guide you every step of the way toward a low-carbon future.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Enerdeal By EDP	Exact match	Zaventem, BelgiumHQ recorded Sep 17, 2026	11-50	33 contacts →
	Exact match “Enerdeal by EDP supports industrial and public players in their energy transition, turning solar energy into a strategic lever for performance, sustainability and independence.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Eneco Wind Belgium S.A	Exact match	Wavre, BelgiumHQ recorded Sep 17, 2026	1-10	30 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Futech Bvba	Exact match	Tessenderlo, BelgiumHQ recorded Sep 17, 2026	11-50	26 contacts →
	Exact match “Futech is een zonnepaneleninstallateur op de Belgische residentiële en industriële markt.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	ESE	Exact match	Veurne, BelgiumHQ recorded Sep 17, 2026	51-200	24 contacts →
	Exact match “Op maat van elke individuele klant werkt ESE de technisch optimale en meest economische oplossing uit voor hun specifieke energie problemen en dit steeds vanuit een ecologisch…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	We Green Belgium	Exact match	Zaventem, BelgiumHQ recorded Sep 17, 2026	11-50	24 contacts →
	Exact match “We Green vise à réduire la dépendance de ses clients aux sources d'énergie non-durables afin de diminuer leurs émissions de carbone via des solutions énergétiques vertes et…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	ENSYS	Exact match	Kapellen, BelgiumHQ recorded Sep 17, 2026	11-50	22 contacts →
	Exact match “As specialists in the field of renewable energy and energy efficiency, we offer unique proposals to both individuals and businesses.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Belivert	Exact match	Zedelgem, BelgiumHQ recorded Sep 17, 2026	51-200	21 contacts →
	Exact match “Vraag gratis je offerte aan, Bespaar dankzij de zonnepanelen van BeliVert heel wat energiekosten.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Polarsun	Exact match	Barchon, BelgiumHQ recorded Sep 17, 2026	11-50	20 contacts →
	Exact match “Chez Polarsun, nous concevons, installons et assurons le suivi de solutions énergétiques durables pour les particuliers, les entreprises et les collectivités.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Energreen België	Exact match	Brussels, BelgiumHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “Energreen biedt duurzame totaaloplossingen voor iedere woning.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Watt Matters	Exact match	Ixelles, BelgiumHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match “Plus grand producteur bruxellois d’énergie partagée, Watt Matters est une entreprise spécialisée dans la conception, l’installation, le financement et l’exploitation…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Green Energy 4 Seasons S.A	Exact match	Marche-en-famenne, BelgiumHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “Green Energy 4 Seasons created in 2008 is the Walloon leader in photovoltaics.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Eoluz NV	Exact match	Kapellen, BelgiumHQ recorded Sep 17, 2026	11-50	16 contacts →
	Exact match “Eoluz bouwt vandaag aan de energie van morgen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Suntronics	Exact match	Sint-eloois-winkel, BelgiumHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “SunTronics is gespecialiseerd in engineering, verkoop, installatie en service van installaties die energie produceren uit hernieuwbare energiebronnen.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Vectura	Exact match	Flémalle, BelgiumHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “Entreprise spécialisée dans l’installation de solutions énergétiques telles que les systèmes photovoltaïques, les bornes de recharges électriques résidentielles et industrielles…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Greenpulse	Exact match	Ghent, BelgiumHQ recorded Sep 17, 2026	1-10	13 contacts →
	Exact match “GreenPulse offers Renewables-as-a-Service and enables corporations to achieve sustainable growth and contribute against climate change.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Energie	Exact match	Gierle, BelgiumHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Energie+\| Duurzame Energieoplossingen Bij Energie+ leveren we duurzame energieoplossingen voor bedrijven en particulieren.” 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 “residential renewable energy 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 228 residential renewable energy companies based in Belgium

See the full list, filter by size, metro and specialty, and access 772 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Residential renewable energy companies based in Belgium at a glance

As of Sep 17, 2026

36.6%Verified-email coverage

9.2Average contacts per company

1-10Median size (employees)

3.1%Largest-city concentration · Liege

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

132

11-50

51-200

201-500

Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 228 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 Belgium whose business descriptions match “residential renewable energy 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 772 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 “residential renewable energy companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many residential renewable energy companies are there based in Belgium?

RevenueBase identified 228 company matches for residential renewable energy companies associated with Belgium 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?

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

Which city has the most residential renewable energy companies?

Liege leads with 7 company records, followed by Kortrijk (5) and Waregem (5).

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 772 professional contacts with verified work emails tracked across these 228 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.