Ranking · Antwerp province · NACE 35
Electricity, gas, steam and air conditioning supply: the largest companies in Antwerp province
As of 14 Nov 2026, 153 companies in Electricity, gas, steam and air conditioning supply (NACE 35) in Antwerp province publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €4.77bn, out of €5.61bn for all of them; median total assets are €1.46m. FLUVIUS Antwerpen leads with €2.46bn (financial year 2025).
Top 50 · Electricity, gas, steam and air conditioning supply · Antwerp province
Ranked by total assets in the latest filed accounts. This is a size criterion, not an assessment.
| # | Company | Total assets | Revenue | Equity | FTE | Year |
|---|---|---|---|---|---|---|
| 1 | FLUVIUS Antwerpen 2100 Antwerp | €2.46bn | €430.9m | €755.4m | — | 2025 |
| 2 | Fluvius Kempen 2300 Turnhout | €1.16bn | €221.6m | €298.6m | — | 2025 |
| 3 | Eneco Belgium 2800 Mechelen | €361.8m | €1.21bn | €128.4m | 244.0 | 2026 |
| 4 | VGP Renewable Energy 2018 Antwerp | €147.2m | — | €9.93m | — | 2025 |
| 5 | E.ON Power Plants Belgium 2800 Mechelen | €135.9m | €33.7m | €38.2m | 19.0 | 2025 |
| 6 | Gentse Warmte Centrale 2800 Mechelen | €122.6m | €12.2m | −€13.3m | — | 2025 |
| 7 | INEOS Oxide Utilities 2070 Beveren-Kruibeke-Zwijndrecht | €103.7m | €139.9m | €43.6m | — | 2025 |
| 8 | Zandvliet Power 2040 Antwerp | €97.6m | €49.9m | €28.8m | — | 2025 |
| 9 | Ecopower 2600 Antwerp | €94.8m | €71.9m | €66.1m | 48.2 | 2025 |
| 10 | Vlaamse Ecologie-Energie- en Milieuonderneming 3 2000 Antwerp | €90.6m | €34.9m | €14.9m | — | 2025 |
| 11 | Access to Sustainability for Tenants through Energy Effective Retrofit 2020 Antwerp | €69.0m | — | €12.7m | 7.6 | 2025 |
| 12 | Elegant 2800 Mechelen | €64.5m | €178.0m | €5.64m | 28.9 | 2025 |
| 13 | 7c Solarparken 2800 Mechelen | €61.9m | €2.63m | €29.2m | 2.0 | 2025 |
| 14 | Warmtekracht Ondersteunings Maatschappij 2550 Kontich | €51.9m | €167.1m | €1.58m | 2.0 | 2026 |
| 15 | Joulz Sun4Business 1 2000 Antwerp | €34.6m | €7.43m | €5.70m | — | 2025 |
| 16 | Finarmit 2600 Antwerp | €33.9m | — | €10.5m | — | 2025 |
| 17 | Joulz Sun4Business 3 2000 Antwerp | €32.8m | €4.15m | €3.83m | — | 2025 |
| 18 | Green Offshore 2000 Antwerp | €31.4m | — | €24.4m | — | 2025 |
| 19 | Enwyse Belgium 2200 Herentals | €30.1m | €74.4m | €2.04m | 18.1 | 2025 |
| 20 | Seacoop 2600 Antwerp | €25.3m | — | €16.2m | 3.9 | 2025 |
| 21 | Belgian Eco Energy 2800 Mechelen | €23.9m | €30.0m | €11.3m | 11.2 | 2025 |
| 22 | Pampero Wind 2800 Mechelen | €20.6m | €2.78m | €5.49m | — | 2026 |
| 23 | Solar Finance 2018 Antwerp | €17.4m | €5.94m | €6.71m | — | 2025 |
| 24 | Terranova Solar 2940 Stabroek | €16.9m | — | €7.92m | — | 2025 |
| 25 | Soless 2018 Antwerp | €16.4m | — | €13.6m | — | 2025 |
| 26 | WiFa invest 2000 Antwerp | €14.3m | — | €12.2m | — | 2025 |
| 27 | 7C Groeni 2800 Mechelen | €14.1m | €1.56m | €2.10m | — | 2025 |
| 28 | Campina Energie 2300 Turnhout | €13.9m | — | €8.56m | 5.0 | 2025 |
| 29 | Vlaamse Ecologie - Energie - en Milieuonderneming 2000 Antwerp | €13.2m | — | €9.78m | — | 2025 |
| 30 | RavaWind 2940 Stabroek | €10.3m | — | €2.97m | — | 2025 |
| 31 | Agrogas 2440 Geel | €9.94m | — | €6.32m | 2.1 | 2025 |
| 32 | 50Five Belux 2030 Antwerp | €9.85m | €21.2m | 969,375 € | 29.3 | 2025 |
| 33 | Elektriciteitsbedrijf Merksplas 2330 Merksplas | €9.77m | €36.3m | €1.72m | 6.6 | 2025 |
| 34 | Groep Bolckmans Green 2960 Brecht | €9.12m | — | €2.54m | — | 2025 |
| 35 | Ambitrade 2323 Hoogstraten | €7.99m | — | €1.23m | — | 2024 |
| 36 | Frank Energie België 2018 Antwerp | €7.85m | — | €2.20m | — | 2025 |
| 37 | Icefactory Europe 2340 Beerse | €7.58m | — | 341,160 € | 6.4 | 2025 |
| 38 | Masabi 2381 Ravels | €7.47m | — | €3.73m | — | 2025 |
| 39 | Storm Meer 2600 Antwerp | €7.22m | — | €1.29m | — | 2025 |
| 40 | Isidoor 2990 Wuustwezel | €7.04m | — | €6.27m | — | 2025 |
| 41 | ABR Energy 2160 Wommelgem | €6.66m | — | 3,121 € | — | 2023 |
| 42 | Hightide 2018 Antwerp | €6.21m | €1.97m | 511,500 € | — | 2025 |
| 43 | Greenergy 2230 Herselt | €6.10m | — | 209,039 € | — | 2025 |
| 44 | Groene Energie Haven Antwerpen 2000 Antwerp | €5.91m | 875,642 € | €5.22m | — | 2025 |
| 45 | Storm Geraardsbergen 2600 Antwerp | €5.73m | — | €2.31m | — | 2025 |
| 46 | Lowtide 2018 Antwerp | €5.58m | 695,553 € | €1.14m | — | 2025 |
| 47 | AEP Solar 21 2200 Herentals | €5.07m | — | €1.72m | — | 2025 |
| 48 | Mistral 2022 2350 Vosselaar | €5.03m | — | 761,644 € | — | 2025 |
| 49 | Frisolar 2110 Wijnegem | €4.86m | 464,165 € | €4.51m | — | 2025 |
| 50 | Biogas - Boonen 2450 Meerhout | €4.46m | — | 184,637 € | 1.0 | 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.
“—”: not published. Small companies (micro and abridged accounts) do not have to publish their revenue.
Electricity, gas, steam and air conditioning supply across Belgium → All sectors · Antwerp province →
Other sectors · Antwerp province
- 01 Crop and animal production, hunting and related service activities1,301
- 02 Forestry and logging56
- 03 Fishing and aquaculture10
- 08 Other mining and quarrying19
- 10 Manufacture of food products912
- 11 Manufacture of beverages81
- 13 Manufacture of textiles92
- 14 Manufacture of wearing apparel90
- 15 Manufacture of leather and related products of other materials13
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials285
- 17 Manufacture of paper and paper products54
- 18 Printing and reproduction of recorded media360
- 20 Manufacture of chemicals and chemical products165
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations87
- 22 Manufacture of rubber and plastic products136
- 23 Manufacture of other non-metallic mineral products238
- 24 Manufacture of basic metals68
- 25 Manufacture of fabricated metal products, except machinery and equipment1,026
- 26 Manufacture of computer, electronic and optical products136
- 27 Manufacture of electrical equipment123
- 28 Manufacture of machinery and equipment n.e.c.302
- 29 Manufacture of motor vehicles, trailers and semi-trailers73
- 30 Manufacture of other transport equipment49
- 31 Manufacture of furniture243
- 32 Other manufacturing398
- 33 Repair, maintenance and installation of machinery and equipment727
- 36 Water collection, treatment and supply10
- 37 Sewerage38
- 38 Waste collection, recovery and disposal activities172
- 39 Remediation activities and other waste management service activities40
- 41 Construction of residential and non-residential buildings2,821
- 42 Civil engineering695
- 43 Specialised construction activities9,021
- 46 Wholesale trade8,127
- 47 Retail trade7,864
- 49 Land transport and transport via pipelines1,850
- 50 Water transport233
- 51 Air transport47
- 52 Warehousing, storage and support activities for transportation1,172
- 53 Postal and courier activities176
- 55 Accommodation400
- 56 Food and beverage service activities5,057
- 58 Publishing activities237
- 59 Motion picture, video and television programme production, sound recording and music publishing activities554
- 60 Programming, broadcasting, news agency and other content distribution activities56
- 61 Telecommunication78
- 62 Computer programming, consultancy and related activities5,990
- 63 Computing infrastructure, data processing, hosting and other information service activities887
- 64 Financial service activities, except insurance and pension funding6,036
- 65 Insurance, reinsurance and pension funding, except compulsory social security35
- 66 Activities auxiliary to financial services and insurance activities1,481
- 68 Real estate activities9,448
- 69 Legal and accounting activities3,909
- 70 Activities of head offices and management consultancy11,008
- 71 Architectural and engineering activities; technical testing and analysis3,131
- 72 Scientific research and development154
- 73 Activities of advertising, market research and public relations2,147
- 74 Other professional, scientific and technical activities1,156
- 75 Veterinary activities367
- 77 Rental and leasing activities743
- 78 Employment activities454
- 79 Travel agency, tour operator and other reservation service and related activities193
- 80 Investigation and security activities96
- 81 Services to buildings and landscape activities1,434
- 82 Office administrative, office support and other business support activities2,809
- 84 Public administration and defence; compulsory social security25
- 85 Education734
- 86 Human health activities6,989
- 87 Residential care activities158
- 88 Social work activities without accommodation384
- 90 Arts creation and performing arts activities838
- 91 Libraries, archives, museums and other cultural activities47
- 92 Gambling and betting activities35
- 93 Sports activities and amusement and recreation activities835
- 94 Activities of membership organisations141
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles822
- 96 Personal service activities1,485
Municipalities with the most companies in the sector · Antwerp province
Frequently asked questions
Which is the largest company in Electricity, gas, steam and air conditioning supply in Antwerp province?
By total assets, it is FLUVIUS Antwerpen (€2.46bn, financial year 2025).
How many companies in Electricity, gas, steam and air conditioning supply in Antwerp province are ranked?
153 out of 157 active companies in the sector with their registered office in the area: those whose latest accounts are less than 3 years old.
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.
Idonis
Analyse companies · Antwerp province
Filter these companies by size, soundness and trend, follow them and get an alert when their accounts or publications change.
Open the full file →Free account in 30 seconds, by email. No bank card.
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.