Electricity, gas, steam and air conditioning supply: highest revenue in Flemish Brabant
As of 14 Nov 2026, 17 companies in Electricity, gas, steam and air conditioning supply (NACE 35) in Flemish Brabant publish their revenue in recent accounts (financial year 2025). The top 10 account for €1.18bn, out of €1.19bn for all of them; median revenue is €20.6m. Fluvius Zenne-Dijle leads with €354.2m (financial year 2025).
Top 17 · Electricity, gas, steam and air conditioning supply · Flemish Brabant
Ranked by revenue published in the latest filed accounts (accounts less than 3 years old).
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | Fluvius Zenne-Dijle 3210 Lubbeek | €2.52bn | €354.2m | €554.6m | — | 2025 |
| 2 | Fluvius Halle-Vilvoorde 1800 Vilvoorde | €1.36bn | €238.2m | €343.2m | — | 2025 |
| 3 | ABB 1831 Machelen (Brab.) | €113.3m | €207.0m | €32.4m | 233.6 | 2025 |
| 4 | Nobelwind 3000 Leuven | €378.9m | €98.2m | €14.3m | — | 2025 |
| 5 | Belwind 3000 Leuven | €194.8m | €79.7m | €22.3m | — | 2025 |
| 6 | Northwester 2 3000 Leuven | €470.1m | €75.6m | €41.5m | — | 2025 |
| 7 | Parkwind 3000 Leuven | €512.6m | €47.4m | €484.8m | 189.8 | 2025 |
| 8 | Energa Brussels 1800 Vilvoorde | €32.1m | €42.1m | €27.5m | 1.1 | 2025 |
| 9 | SteraGas 1980 Zemst | €11.6m | €20.6m | €8.71m | 1.0 | 2025 |
| 10 | Distributienet- Beheer Brussels Airport 1930 Zaventem | €67.8m | €16.6m | €43.3m | — | 2025 |
| 11 | Enopty 1560 Hoeilaart | €1.15m | €2.13m | 283,248 € | — | 2025 |
| 12 | Hydrowal 1932 Zaventem | €4.99m | €1.76m | €3.65m | — | 2025 |
| 13 | Eoly Coöperatie 1500 Halle | €13.3m | €1.46m | €12.4m | — | 2025 |
| 14 | LCL Energy 1831 Machelen (Brab.) | €13.7m | 676,581 € | 148,160 € | — | 2025 |
| 15 | Windfarm Tongeren-Oost 3000 Leuven | €17.1m | 673,538 € | −202,994 € | — | 2025 |
| 16 | LCL Solar Energy 1831 Machelen (Brab.) | €3.66m | 292,578 € | 44,946 € | — | 2025 |
| 17 | Noordlicht 1933 Zaventem | €1.58m | 111,716 € | €1.18m | — | 2025 |
Ranking based on each company's own annual accounts (statutory, not consolidated): a subsidiary and its parent appear separately, and the ranking differs from lists based on consolidated group accounts. These are the revenue figures published in the annual accounts. Small companies (micro and abridged accounts) do not have to publish theirs: they do not appear in this ranking.
Electricity, gas, steam and air conditioning supply across Belgium → All sectors · Flemish Brabant →
Other sectors · Flemish Brabant
- 01 Crop and animal production, hunting and related service activities23
- 10 Manufacture of food products50
- 11 Manufacture of beverages16
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials10
- 18 Printing and reproduction of recorded media13
- 20 Manufacture of chemicals and chemical products23
- 22 Manufacture of rubber and plastic products14
- 25 Manufacture of fabricated metal products, except machinery and equipment40
- 26 Manufacture of computer, electronic and optical products20
- 27 Manufacture of electrical equipment15
- 28 Manufacture of machinery and equipment n.e.c.23
- 32 Other manufacturing16
- 33 Repair, maintenance and installation of machinery and equipment31
- 38 Waste collection, recovery and disposal activities15
- 41 Construction of residential and non-residential buildings412
- 42 Civil engineering31
- 43 Specialised construction activities480
- 46 Wholesale trade588
- 47 Retail trade404
- 49 Land transport and transport via pipelines244
- 52 Warehousing, storage and support activities for transportation60
- 53 Postal and courier activities20
- 55 Accommodation13
- 56 Food and beverage service activities165
- 58 Publishing activities12
- 59 Motion picture, video and television programme production, sound recording and music publishing activities26
- 61 Telecommunication24
- 62 Computer programming, consultancy and related activities199
- 63 Computing infrastructure, data processing, hosting and other information service activities12
- 64 Financial service activities, except insurance and pension funding130
- 66 Activities auxiliary to financial services and insurance activities29
- 68 Real estate activities153
- 69 Legal and accounting activities78
- 70 Activities of head offices and management consultancy238
- 71 Architectural and engineering activities; technical testing and analysis71
- 73 Activities of advertising, market research and public relations79
- 74 Other professional, scientific and technical activities17
- 77 Rental and leasing activities43
- 78 Employment activities27
- 79 Travel agency, tour operator and other reservation service and related activities15
- 80 Investigation and security activities14
- 81 Services to buildings and landscape activities83
- 82 Office administrative, office support and other business support activities73
- 85 Education96
- 86 Human health activities99
- 87 Residential care activities65
- 88 Social work activities without accommodation54
- 90 Arts creation and performing arts activities58
- 93 Sports activities and amusement and recreation activities32
- 94 Activities of membership organisations40
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles48
- 96 Personal service activities83
Municipalities with the most companies in the sector · Flemish Brabant
- 3000 Leuven14
- 1840 Londerzeel (Malderen, Steenhuffel)13
- 1500 Halle3
- 1800 Vilvoorde (Peutie)3
- 1831 Machelen (Brab.) (Diegem)3
- 3210 Lubbeek (Linden)3
- 3440 Zoutleeuw (Budingen, Dormaal, Halle-Booienhoven, …)3
- 1560 Hoeilaart2
- 1600 Sint-Pieters-Leeuw (Oudenaken, Sint-Laureins-Berchem)2
- 1785 Merchtem (Brussegem, Hamme)2
- 3080 Tervuren (Duisburg, Vossem)2
- 3300 Tienen (Bost, Goetsenhoven, Hakendover, …)2
Frequently asked questions
Which company in Electricity, gas, steam and air conditioning supply in Flemish Brabant has the highest revenue?
Fluvius Zenne-Dijle, with €354.2m of published revenue (financial year 2025).
Why are some companies missing?
Small companies (micro and abridged accounts) do not have to publish their revenue: only the 17 that publish it, out of 77 companies in the sector in the area, are ranked.
Why does this ranking differ from other lists?
It uses each company's annual accounts as filed with the National Bank, not consolidated group accounts. A holding, a subsidiary or a purchasing entity can therefore appear separately. Only companies whose latest accounts are less than 3 years old are ranked.
Analyse companies · Flemish Brabant
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Open the full file →Active companies (legal entities) that have filed at least one set of annual accounts, based on the Crossroads Bank for Enterprises and the National Bank of Belgium. The sector is the main activity in the register; the municipality is that of the registered office. Data updated on 14 Nov 2026.