List of Energy Companies in Belgium

Last updated 5 November 2026

There are 3,053 energy companies in Belgium, one in every 782 Belgian companies. Most of them are small: nearly all have one to four people, and only 32 firms employ 50 people or more. One in seven power and gas suppliers is based in Antwerpen, Gent, Bruxelles, Charleroi and Liège. Below you find the largest power and gas suppliers in Belgium, the cities where they cluster, how many started this year and which are the oldest. The full list with addresses, phone numbers and email is in our Belgian company database or through the KBO API.

3,053 companies indexed · Data counted on 5 November 2026

Companies3,0531 in782 Belgian companiesCities484Largest cityAntwerpen 119Sole traders28%Employees1-4 (93%)Revenue< $100K (46%)Email19%Phone38%Website24%

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A live view of all 3,053 power and gas suppliers, sorted by revenue. Narrow it by region, city, employee size, revenue, legal form or founding year, or search a firm by name.

ElectrabelElectrabel

	Company Name	Country	City	Address 1	State/Province	Postal Code	Website	Founding Year	Yearly Revenue in U.S. Dollars	Employees Total	Business Legal Type - Description	Number of Companies in Group	Company Registration Number
1	Electrabel	Belgium	Bruxelles	Boulevard Simon Bolivar 36	Bruxelles Capitale	1000	*****.be	1905	$15,164,928,936	4,209	Corporation	5844	BE0403170701
2	Luminus	Belgium	Saint-josse-ten-noode	Boulevard Du Roi Albert Ii 7	Bruxelles Capitale	1210	*****.be	2000	$3,617,425,462	1,211	Corporation	36005	BE0471811661
3	Fluvius System Operator	Belgium	Melle	Brusselsesteenweg 199	Oost Vlaanderen	9090	*****.be	2002	$3,357,995,216	5,399	Cooperative	58	BE0477445084
4	Totalenergies Power & Gas Belgium	Belgium	Liège	Rue Saint-laurent 54	Liège	4000	*****.be	2003	$1,862,180,201	265	Corporation	4493	BE0859655570
5	Elia Transmission Belgium	Belgium	Bruxelles	Boulevard de L'Empereur 20	Bruxelles Capitale	1000	*****.be	2019	$1,767,149,345	649	Corporation	53	BE0731852231
6	Clean Fuel Belgium	Belgium	Mechelen	Schaliënhoevedreef 20, Internal Postal Box T	Antwerpen	2800	N/A	2024	$1,494,279,168	3	Corporation	11	BE0828488183
7	Eneco Belgium	Belgium	Mechelen	Blarenberglaan 2 C	Antwerpen	2800	*****.com	2017	$1,431,506,291	244	Corporation	2425	BE0683948879
8	Ores Assets	Belgium	Charleroi	Avenue Jean Mermoz 14	Hainaut	6041	*****.be	2013	$1,343,903,467	3,207	Cooperative	20	BE0543696579
9	Elia Asset	Belgium	Bruxelles	Boulevard de L'Empereur 20	Bruxelles Capitale	1000	*****.be	2001	$1,117,033,579	1,028	Corporation	53	BE0475028202
10	Operateur De Reseaux D'energies	Belgium	Charleroi	Avenue Jean Mermoz 14	Hainaut	6041	*****.be	2008	$1,067,451,465	3,028	Cooperative	20	BE0897436971
11	Power Online	Belgium	Liège	Rue Natalis 2	Liège	4020	*****.be	2019	$666,174,727	27	Corporation	13	BE0535615192
12	Fluvius Imewo	Belgium	Melle	Brusselsesteenweg 199	Oost Vlaanderen	9090	*****.be	1975	$631,621,636	67	Partnership of unknown type	N/A	BE0215362368
13	Fluvius West	Belgium	Kortrijk	President Kennedypark 12	West Vlaanderen	8500	*****.be	1975	$627,952,886	67	Partnership of unknown type	N/A	BE0215266160
14	Fluvius Limburg	Belgium	Hasselt	Trichterheideweg 8	Limburg	3500	N/A	1970	$503,434,000	53	Partnership of unknown type	N/A	BE0207165769
15	Fluvius Antwerpen	Belgium	Antwerpen	Merksemsesteenweg 233	Antwerpen	2100	*****.be	1972	$499,506,652	204	Partnership of unknown type	N/A	BE0212704370
16	Axpo Benelux	Belgium	Ixelles	Avenue Louise 480	Bruxelles Capitale	1050	*****.eu	2009	$478,537,341	7	Corporation	1552	BE0810770639
17	Be-Nuc	Belgium	Bruxelles	Boulevard Anspach 2	Bruxelles Capitale	1000	N/A	2024	$465,476,488	2	Corporation	N/A	BE1009228976
18	Sibelga	Belgium	Bruxelles	Quai Des Usines 16	Bruxelles Capitale	1000	*****.be	1982	$459,838,899	47	Cooperative	4	BE0222869673
19	Resa	Belgium	Liège	Boulevard D'Avroy 38	Liège	4000	*****.be	2012	$447,838,363	946	Corporation	13	BE0847027754
20	Fluvius Zenne-Dijle	Belgium	Lubbeek	Diestsesteenweg 126	Vlaams Brabant	3210	N/A	1982	$410,593,494	1	Partnership of unknown type	N/A	BE0222343301
21	Scholt Energy	Belgium	Paardenstad	Kalkhoevestraat 10, Internal Postal Box 1.1	West Vlaanderen	8790	*****.be	2009	$382,351,301	35	Corporation	11	BE0820000881
22	Totalenergies Gas & Power Western Europe	Belgium	Liège	Rue Saint-laurent 54	Liège	4000	*****.be	2001	$375,792,151	27	Corporation	4493	BE0475066408
23	Scholiers Koolzuur	Belgium	Houthalen	Centrum-zuid 2022	Limburg	3530	*****.be	1998	$327,692,800	21	Corporation	3	BE0463628326
24	Engie SA	Belgium	N/A	N/A	N/A	N/A	N/A	2000	$327,692,800	20	Foreign company	5844	BE0472018331
25	Fluvius Midden-Vlaanderen	Belgium	Dendermonde	Franz Courtensstraat 11	Oost Vlaanderen	9200	*****.be	1980	$281,363,229	53	Partnership of unknown type	N/A	BE0220764971

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Where in Belgium?

Antwerpen has the most energy companies in Belgium (119), ahead of Gent (102), Bruxelles (83), Charleroi (58) and Liège (51). Together the five hold one in seven of them.

Cities by number of firms

484 Belgian cities have at least one power and gas supplier; 63 have ten or more; 117 have exactly one. Click a city to set the lens.

Power and gas suppliers in Antwerpen

Antwerpen has 119 energy companies and power and gas suppliers, 0.1% of all 108,393 Antwerpen companies and 14% below the national share. Nine in ten Antwerpen firms have fewer than five people; 1 has 50 or more. 4 new firms were entered in 2026, 6 date from before 1990.

Size

1-4 staff: 87 · 92%
5-9: 2 · 2%
10-19: 1 · 1%
20-49: 4 · 4%
50+: 1 · 1%

Legal form

Sole traders: 36 · 30%
Partnerships: 7 · 6%
BV/SRL and NV/SA: 39 · 33%
Other or none: 37 · 31%

Of the Belgian total: 3.9%
Of all Antwerpen companies: 0.1%
Against the national share: 0.9×

New

Entered 2026 so far: 4
Entered 2025: 12
Of Belgium's 2026 entries: 2.4%

Old

Before 1990: 6 · 5%
1990 or later: 113 · 95%
Of Belgium's pre-1990 firms: 4.4%

Reachable

Email: 29 · 24%
Phone: 50 · 42%
Website: 42 · 35%

Revenue (USD)

Under $100K: 42 · 49%
$100K-$500K: 11 · 13%
$500K-$1M: 20 · 24%
$1M and more: 12 · 14%

Largest

1204
252
341
434
533

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Firm sizes in Belgium

Of the 2,493 Belgian power and gas suppliers with a known headcount, 2,322 (93%) have one to four people, 56 have five to nine, 83 have ten to 49 and 32 have 50 or more. Most firms turn over under $100,000 a year (1,051, 46%).

EU size bands · the grey line shows all Belgian companies

Micro under 102,378 95%
Small 10 to 4983 3%
Medium 50 to 24922 0.9%
Large 250+10 0.4%

Grey line: the share among all Belgian companies (98% have under ten staff).

156

firms turn over more than $5 million a year; 110 more than $10 million.

166

firms were entered in 2026.

Largest power and gas suppliers in Belgium

The biggest firms by staff and by revenue, the largest in Antwerpen. Click a name for the record.

Fluvius System Operator is the largest power and gas supplier in Belgium by headcount. 32 firms employ 50 people or more; 17 employ 100 or more.

1Melle5,399 staff
2Bruxelles4,209 staff
3Charleroi3,207 staff
4Brussel1,219 staff
5Saint-Josse-Ten-Noode1,211 staff
6Bruxelles1,028 staff
7Bruxelles1,000 staff
8Liège946 staff
9Hasselt559 staff
10Bruxelles456 staff

By employee size · 2,493 firms with a known headcount

Employees	Firms	%
1-4	2,322	93%
5-9	56	2%
10-19	37	1%
20-49	46	2%
50-99	15	0.6%
100-199	4	0.2%
200-499	3	0.1%
500-999	3	0.1%
1,000+	7	0.3%

93% have 1 to 4 people; 46 have 20 to 49; 32 have 50 or more.

By yearly revenue (USD)

Revenue	Firms	%
< $100K	1,051	46%
$100K-$500K	595	26%
$500K-$1M	395	17%
$1M-$5M	79	3%
$5M-$10M	46	2%
$10M-$50M	48	2%
$50M-$100M	14	0.6%
$100M-$500M	34	1%
$500M+	14	0.6%

46% under $100,000; 79 between $1M and $5M; 156 above $5M.

How many energy companies are there in Belgium?

Energy companies and power and gas suppliers in Belgium

3,053

5 November 2026

There are 3,053 energy companies and power and gas suppliers in Belgium in our data (5 November 2026). That is one in every 782 Belgian companies. About one new firm is entered in the register every working day this year (166 so far in 2026).

Structure

Single-site firms: 1,804 59%
Head offices: 478
Branch offices: 771

Classification

NACE-BEL 2008 code 35, identical to NACE Rev. 2 35. Our platform filter is NACE-BEL 2008 35.

1,025 of the 3,053 are BV/SRL and NV/SA (34%); 845 are sole traders. They come from Kruispuntbank van Ondernemingen (KBO/BCE) and our Belgian register data, through the KBO API.

The oldest firms in Belgium

Our data holds 0 Belgian power and gas suppliers from before 1900, 9 from before 1950 and 135 from before 1990.

1905
1. Bruxelles
1925
1. Sivry
1936
1. Grâce-Hollogne
1939
1. Beerse
1941
1. Foreign company
1945
1. Ixelles

Older than you

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Move the slider to a year. Two live counts, scoped to this industry.

1990

135

Belgian power and gas suppliers date from before 1990

were entered in 1990

Sole traders or BV/SRL: how they are organised

Three in ten Belgian power and gas suppliers work as sole traders, against 32% of all Belgian companies. Only one firm in three is a BV/SRL or NV/SA.

Sole traders (eenmanszaak / entreprise individuelle)84528%
Partnerships (VOF/SNC and CommV/SComm)1385%
BV/SRL and NV/SA1,02534%
No form on record or other1,04534%

Single-site: 59%
Head offices: 478
Branches: 771

All Belgian companies: 32% sole traders, 9% partnerships, 28% BV/SRL and NV/SA.

Newcomers in Belgium in 2026

166 power and gas suppliers were entered in the Belgian register so far in 2026, about one per working day, after 242 in 2025. Belgium as a whole saw 108,068 new companies in 2026, so this industry takes 0.2% of the inflow.

1242022
1872023
2052024
2422025
1662026 so far

22 of this year's 166 are BV/SRL and NV/SA.

The biggest newcomers of 2026

The year is the register entry; an established firm that changes legal form appears as new.

1Woluwe-Saint-Pierre33 staff
2La Louvière10 staff
3Bruxelles3 staff
4Bruxelles3 staff
5Wanze3 staff

How they compare

Next to related industries

There are 31 manufacturing companies for every power and gas supplier in Belgium.

Industry	Firms	Website	1-4 staff
Manufacturing Companies	93,257	40%	78%
Printing Companies	7,156	43%	86%
Furniture Companies	4,031	42%	83%
Energy Companies	3,053	24%	76%
Electronics Companies	1,386	47%	66%
Paper Companies	544	54%	56%

In other countries

Country	Firms	Per 1,000 cos.
Spain	39,670	7.3
Italy	37,160	5.3
The UK	18,195	2.1
The Netherlands	4,903	1.3
The Czech Republic	4,052	1.2
Belgium	3,053	1.3

More countries →

Free sample: power and gas suppliers in Europe

How reachable are they?

Power and gas suppliers are harder to reach than the average Belgian company: 38% list a phone number and 24% a website.

Email585 19%
Phone1,152 38%
Website737 24%

Grey line: all Belgian companies (email 23%, phone 43%, website 27%).

The full list with these fields is in our Belgian company database.

Frequently asked questions

How many energy companies are there in Belgium?

There are 3,053 energy companies and power and gas suppliers in Belgium in our data, counted on 5 November 2026. That is one in every 782 Belgian companies.

Which is the largest power and gas supplier in Belgium?

Fluvius System Operator in Melle, with 5,399 staff. By revenue Electrabel in Bruxelles leads with $15.2 billion a year.

Which Belgian city has the most energy companies?

Antwerpen, with 119, ahead of Gent (102), Bruxelles (83), Charleroi (58) and Liège (51).

How many power and gas suppliers are there in Antwerpen?

119, which is 0.1% of all 108,393 Antwerpen companies and 14% below the national share.

How big is a typical power and gas supplier?

Small. 93% of the 2,493 firms with a known headcount have one to four people; 32 have 50 or more. Most turn over under $100,000 a year.

Are Belgian energy companies sole traders or companies?

Three in ten (845) are sole traders, 5% are partnerships and 34% (1,025) are BV/SRL and NV/SA.

How many power and gas suppliers started in 2026?

166 were entered in the Belgian register so far in 2026, after 242 in 2025. 22 of them are BV/SRL and NV/SA.

What is the oldest power and gas supplier in Belgium?

Electrabel in Bruxelles, 1905, followed by Association Intercommunale d'Electricite Du Sud Du Hainaut in Sivry (1925) and Distribution Intercommunale Des Eaux De Hollogne-Aux-Pierres Et Jemeppe-Sur-Meuse in Grâce-Hollogne (1936). 0 firms date from before 1900.

Which industry code covers energy companies?

Belgian energy companies are classified under NACE-BEL 2008 code 35, identical to NACE Rev. 2 code 35. Our platform filters them on NACE-BEL 2008 35.

Can I download the full list?

Yes. All 3,053 firms with address, phone, email, legal form, employees, revenue and founding year, as Excel, CSV or through the API.

Discover more: related industries, in other countries

The lists closest to this one. Every industry and city in Belgium is on the Belgium page.

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