Company lists · Data refreshed October 2026

Top 25 Direct normal irradiance solar companies based in Belgium

RevenueBase identified 71 company matches for direct normal irradiance solar companies associated with Belgium as of October 2026 and tracks 599 professional contacts across them, including 295 with verified work emails. Beernem is the largest hub.

This list covers company matches for direct normal irradiance solar 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 October 11, 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 Oct 11, 2026 How this list was built
71Companies
599Contacts tracked
295Verified emails
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The 25 largest direct normal irradiance solar companies based in Belgium

Ranked by team size
Top 25 of 71 company matches for direct normal irradiance solar companies based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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 matchLille, BelgiumHQ recorded Oct 11, 202651-20055 contacts →

Exact match

“Achieving the energy transition!”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2Exact matchHouthalen, BelgiumHQ recorded Oct 11, 202651-20048 contacts →

Exact match

“At Insaver, we guide you every step of the way toward a low-carbon future.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3Exact matchGeel, BelgiumHQ recorded Oct 11, 202611-5046 contacts →

Exact match

“Virto Solar: Redefining Software for Solar Engineering Founded in 2019, Virto Solar is a global leader in solar engineering software and PV design automation.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4Exact matchBeernem, BelgiumHQ recorded Oct 11, 202611-5043 contacts →

Exact match

“Als professionele partner ontwerpt, bouwt en onderhoudt Extrapower zonne-energie installaties op maat van KMO’s en industrie.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5Exact matchZaventem, BelgiumHQ recorded Oct 11, 202611-5031 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 · Oct 11, 2026 · View company records in RevenueBase
6Exact matchVeurne, BelgiumHQ recorded Oct 11, 202651-20025 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 · Oct 11, 2026 · View company records in RevenueBase
7Exact matchTessenderlo, BelgiumHQ recorded Oct 11, 202611-5024 contacts →

Exact match

“Futech is een zonnepaneleninstallateur op de Belgische residentiële en industriële markt.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8Exact matchBarchon, BelgiumHQ recorded Oct 11, 202611-5022 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 · Oct 11, 2026 · View company records in RevenueBase
9Exact matchIeper, BelgiumHQ recorded Oct 11, 202611-5021 contacts →

Exact match

“Bij Avasco Solar zetten we al jaren de toon als dé Belgische specialist in montagesystemen voor platte daken.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10Exact matchKapellen, BelgiumHQ recorded Oct 11, 202611-5021 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 · Oct 11, 2026 · View company records in RevenueBase
11Exact matchZedelgem, BelgiumHQ recorded Oct 11, 202651-20021 contacts →

Exact match

“Vraag gratis je offerte aan, Bespaar dankzij de zonnepanelen van BeliVert heel wat energiekosten.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12Exact matchWaasmunster, BelgiumHQ recorded Oct 11, 202651-20018 contacts →

Exact match

“Bij Go-Solar by D'Ieteren gaan wij verder dan alleen de installatie van zonnepanelen.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13Exact matchMarche-en-famenne, BelgiumHQ recorded Oct 11, 202611-5018 contacts →

Exact match

“Green Energy 4 Seasons created in 2008 is the Walloon leader in photovoltaics.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14Exact matchKapellen, BelgiumHQ recorded Oct 11, 202611-5015 contacts →

Exact match

“Eoluz bouwt vandaag aan de energie van morgen.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15Exact matchLummen, BelgiumHQ recorded Oct 11, 202611-5012 contacts →

Exact match

“Welcome to Solar Assistance BV, a Lummen-based solar energy pioneer providing robust solutions tailored to the distinct needs of residential, commercial, and industrial clients.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16Exact matchBeringen, BelgiumHQ recorded Oct 11, 202651-20011 contacts →

Exact match

“We zorgen dat de zon u energie geeft!”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17Exact matchBelgiumHQ recorded Oct 11, 202651-20010 contacts →

Exact match

“Het MARS SOLAR team heeft ruim 5 jaar ervaring op het gebied van advisering, leveren en monteren van hernieuwbare energie.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18Exact matchTessenderlo, BelgiumHQ recorded Oct 11, 202611-5010 contacts →

Exact match

“Ilumen is een Belgisch ingenieursbureau, dat doorheen de jaren is uitgegroeid tot een verzameling van specialisten en experts binnen de sector van zonnepanelen.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19Exact matchLokeren, BelgiumHQ recorded Oct 11, 202611-509 contacts →

Exact match

“Wie zijn we?”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20Exact matchBeerse, BelgiumHQ recorded Oct 11, 202611-506 contacts →

Exact match

“Bij Energie de Kempen staat de teamspirit centraal.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21Exact matchZaventem, BelgiumHQ recorded Oct 11, 20261-106 contacts →

Exact match

“Neopower, your solar panel specialist, simplifying your transition to sustainable energy.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22Exact matchAntwerp, BelgiumHQ recorded Oct 11, 202611-505 contacts →

Exact match

“Global Solar is een gespecialiseerd installateur van zonnepanelen.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23Exact matchWortegem-petegem, BelgiumHQ recorded Oct 11, 202611-504 contacts →

Exact match

“Welcome to SunElektro!”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24Exact matchRanst, BelgiumHQ recorded Oct 11, 20261-104 contacts →

Exact match

“Vakkennis en installatie voor al uw energieoplossingen: Zonnepanelen Batterijen Laadpalen Koeling Verwarming Dakwerken Onderhoud & EMS”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25Exact matchRavels (weelde), BelgiumHQ recorded Oct 11, 20261-104 contacts →

Exact match

“Nulenergieoplossingen”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase

Showing 25 of 71 direct normal irradiance solar companies based in Belgium

See the full list, filter by size, metro and specialty, and access 295 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Direct normal irradiance solar companies based in Belgium at a glance

As of Oct 11, 2026
49.2%Verified-email coverage
8.4Average contacts per company
11-50Median size (employees)
4.2%Largest-city concentration · Beernem
Oct 11, 2026Page data refreshed

Companies by employee count

1-10
30
11-50
30
51-200
9
201-500
1

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 71 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 “direct normal irradiance solar 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 295 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 October 11, 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 “direct normal irradiance solar companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many direct normal irradiance solar companies are there based in Belgium?

RevenueBase identified 71 company matches for direct normal irradiance solar companies associated with Belgium as of October 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?

Izen Energy Systems NV tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most direct normal irradiance solar companies?

Beernem leads with 3 company records, followed by Brussels (3) and Tessenderlo (3).

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 295 professional contacts with verified work emails tracked across these 71 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 October 11, 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.