Ranking · East Flanders · NACE 35
Electricity, gas, steam and air conditioning supply: the largest companies in East Flanders
As of 14 Nov 2026, 131 companies in Electricity, gas, steam and air conditioning supply (NACE 35) in East Flanders publish total assets in recent accounts (financial years 2023 to 2026). The top 10 account for €15.4bn, out of €15.9bn for all of them; median total assets are €1.39m. Fluvius System Operator leads with €10.2bn (financial year 2025).
Top 50 · Electricity, gas, steam and air conditioning supply · East Flanders
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 System Operator 9090 Merelbeke-Melle | €10.2bn | €2.90bn | €993.8m | 5,326.3 | 2025 |
| 2 | Fluvius Imewo 9090 Merelbeke-Melle | €3.07bn | €544.9m | €772.5m | — | 2025 |
| 3 | Fluvius Midden-Vlaanderen 9200 Dendermonde | €1.29bn | €242.7m | €346.1m | — | 2025 |
| 4 | Advario GAS Terminal 9130 Beveren-Kruibeke-Zwijndrecht | €496.8m | €74.0m | €199.2m | 66.4 | 2025 |
| 5 | E-Wood Energiecentrale 9130 Beveren | €106.5m | €11.7m | €10.00m | — | 2025 |
| 6 | Wind aan de Stroom 2013 9120 Beveren-Kruibeke-Zwijndrecht | €74.9m | €15.0m | €17.4m | — | 2025 |
| 7 | Ecluse 9130 Beveren-Kruibeke-Zwijndrecht | €63.6m | — | €29.2m | — | 2025 |
| 8 | Eneco Solar Belgium 9051 Ghent | €48.8m | €15.5m | €33.1m | 30.1 | 2026 |
| 9 | Solarbuild 9000 9051 Ghent | €38.0m | — | €2.84m | — | 2025 |
| 10 | Ecoson Energy 9130 Beveren-Kruibeke-Zwijndrecht | €37.0m | €21.1m | €15.7m | 0.1 | 2026 |
| 11 | Solarbuild 3 9051 Ghent | €32.7m | — | 245,802 € | — | 2025 |
| 12 | Solarbuild 8000 9051 Ghent | €25.8m | — | €3.27m | — | 2025 |
| 13 | Solarbuild 5 9051 Ghent | €20.3m | — | €1.81m | — | 2025 |
| 14 | Virtual - Power 9140 Temse | €18.2m | — | 12,517 € | — | 2023 |
| 15 | Noven Noord 9000 Ghent | €18.0m | — | €10.0m | — | 2025 |
| 16 | Albertstroom 9050 Ghent | €17.8m | €20.3m | €7.37m | — | 2025 |
| 17 | Solarbuild 2030 9051 Ghent | €16.6m | — | €2.29m | — | 2025 |
| 18 | Agro-energiek 9930 Lievegem | €14.8m | — | €4.14m | 2.0 | 2025 |
| 19 | Solarbuild 7 9051 Ghent | €14.1m | — | −18,176 € | — | 2025 |
| 20 | Limoengroen 9051 Ghent | €13.8m | — | €1.25m | 6.7 | 2026 |
| 21 | Fortech 9170 Sint-Gillis-Waas | €13.6m | — | €7.45m | 2.9 | 2025 |
| 22 | EnergyCenter 9051 Ghent | €12.8m | — | 563,533 € | — | 2025 |
| 23 | Wind aan de Stroom 2014 9120 Beveren-Kruibeke-Zwijndrecht | €12.6m | €2.63m | €2.43m | — | 2025 |
| 24 | Belfuture 9820 Merelbeke-Melle | €11.8m | — | €1.54m | — | 2025 |
| 25 | Trevion 9050 Ghent | €11.3m | €37.5m | €2.86m | 4.4 | 2025 |
| 26 | Upgrade Bio-Energy 9130 Beveren-Kruibeke-Zwijndrecht | €9.98m | €6.42m | −€1.47m | 6.0 | 2025 |
| 27 | Leiestroom 9050 Ghent | €9.16m | — | €4.97m | — | 2025 |
| 28 | C-Energy 9140 Temse | €8.70m | — | 792,172 € | 5.7 | 2025 |
| 29 | SolVla 9340 Lede | €8.53m | — | 276,700 € | — | 2025 |
| 30 | EcoTess 9051 Ghent | €8.28m | — | €2.36m | — | 2025 |
| 31 | EnerGent 9000 Ghent | €8.23m | — | €5.76m | 11.6 | 2025 |
| 32 | Digrom Energy 9050 Ghent | €8.02m | — | €6.89m | — | 2025 |
| 33 | GreenPulse 9831 Sint-Martens-Latem | €7.34m | — | €4.01m | 2.8 | 2025 |
| 34 | Ardo Energy Belgium 9050 Ghent | €6.78m | — | €1.92m | — | 2025 |
| 35 | Winvestco 9700 Oudenaarde | €6.71m | — | €5.11m | — | 2025 |
| 36 | Solaerco Antwerpen 9051 Ghent | €6.64m | — | €1.16m | — | 2026 |
| 37 | Wind aan de Stroom 9120 Beveren-Kruibeke-Zwijndrecht | €6.55m | 980,048 € | €6.24m | — | 2025 |
| 38 | Diesel Terminal Gent 9185 Lochristi | €6.52m | €83.7m | €1.10m | — | 2025 |
| 39 | Tomw@TT 9170 Sint-Gillis-Waas | €6.38m | €5.31m | €3.49m | — | 2025 |
| 40 | Farys Solar 9000 Ghent | €5.83m | €1.12m | €4.83m | — | 2025 |
| 41 | Solarbuild 1000 9051 Ghent | €5.73m | — | 437,493 € | — | 2025 |
| 42 | Calagro Energie 9930 Lievegem | €5.44m | — | €3.05m | — | 2025 |
| 43 | Sun Building 9111 Sint-Niklaas | €4.89m | — | −179,311 € | — | 2026 |
| 44 | Icelander 9700 Oudenaarde | €4.71m | — | 474,627 € | 8.5 | 2025 |
| 45 | DuCoop 9051 Ghent | €4.67m | — | 454,944 € | 1.9 | 2025 |
| 46 | Pavado 9070 Destelbergen | €4.45m | 592,356 € | €3.01m | — | 2025 |
| 47 | GEO-Thermics 9820 Merelbeke-Melle | €3.92m | — | 667,010 € | 5.0 | 2025 |
| 48 | Walk the extra mile 9831 Sint-Martens-Latem | €3.72m | — | €2.54m | — | 2025 |
| 49 | SolarPulse 9831 Sint-Martens-Latem | €3.67m | — | 68,200 € | — | 2025 |
| 50 | 7C Solarparken Belgium 9100 Sint-Niklaas | €3.46m | 644,224 € | −€1.62m | 1.3 | 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 · East Flanders →
Other sectors · East Flanders
- 01 Crop and animal production, hunting and related service activities1,004
- 02 Forestry and logging43
- 08 Other mining and quarrying13
- 10 Manufacture of food products795
- 11 Manufacture of beverages98
- 13 Manufacture of textiles175
- 14 Manufacture of wearing apparel79
- 15 Manufacture of leather and related products of other materials16
- 16 Manufacture of wood and of products of wood and cork, except furniture; manufacture of articles of straw and plaiting materials238
- 17 Manufacture of paper and paper products52
- 18 Printing and reproduction of recorded media325
- 20 Manufacture of chemicals and chemical products146
- 21 Manufacture of basic pharmaceutical products and pharmaceutical preparations81
- 22 Manufacture of rubber and plastic products123
- 23 Manufacture of other non-metallic mineral products232
- 24 Manufacture of basic metals57
- 25 Manufacture of fabricated metal products, except machinery and equipment882
- 26 Manufacture of computer, electronic and optical products95
- 27 Manufacture of electrical equipment107
- 28 Manufacture of machinery and equipment n.e.c.255
- 29 Manufacture of motor vehicles, trailers and semi-trailers64
- 30 Manufacture of other transport equipment25
- 31 Manufacture of furniture228
- 32 Other manufacturing164
- 33 Repair, maintenance and installation of machinery and equipment520
- 36 Water collection, treatment and supply12
- 37 Sewerage32
- 38 Waste collection, recovery and disposal activities138
- 39 Remediation activities and other waste management service activities32
- 41 Construction of residential and non-residential buildings2,554
- 42 Civil engineering796
- 43 Specialised construction activities7,924
- 46 Wholesale trade4,896
- 47 Retail trade5,351
- 49 Land transport and transport via pipelines1,584
- 50 Water transport53
- 51 Air transport39
- 52 Warehousing, storage and support activities for transportation423
- 53 Postal and courier activities109
- 55 Accommodation382
- 56 Food and beverage service activities3,202
- 58 Publishing activities178
- 59 Motion picture, video and television programme production, sound recording and music publishing activities325
- 60 Programming, broadcasting, news agency and other content distribution activities35
- 61 Telecommunication49
- 62 Computer programming, consultancy and related activities4,086
- 63 Computing infrastructure, data processing, hosting and other information service activities515
- 64 Financial service activities, except insurance and pension funding4,362
- 65 Insurance, reinsurance and pension funding, except compulsory social security32
- 66 Activities auxiliary to financial services and insurance activities1,172
- 68 Real estate activities6,689
- 69 Legal and accounting activities2,828
- 70 Activities of head offices and management consultancy8,003
- 71 Architectural and engineering activities; technical testing and analysis2,350
- 72 Scientific research and development169
- 73 Activities of advertising, market research and public relations1,387
- 74 Other professional, scientific and technical activities737
- 75 Veterinary activities251
- 77 Rental and leasing activities493
- 78 Employment activities226
- 79 Travel agency, tour operator and other reservation service and related activities140
- 80 Investigation and security activities61
- 81 Services to buildings and landscape activities1,085
- 82 Office administrative, office support and other business support activities2,178
- 84 Public administration and defence; compulsory social security32
- 85 Education534
- 86 Human health activities5,697
- 87 Residential care activities133
- 88 Social work activities without accommodation184
- 90 Arts creation and performing arts activities461
- 91 Libraries, archives, museums and other cultural activities18
- 92 Gambling and betting activities33
- 93 Sports activities and amusement and recreation activities551
- 94 Activities of membership organisations107
- 95 Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles637
- 96 Personal service activities847
Municipalities with the most companies in the sector · East Flanders
- 9051 Ghent (Afsnee, Sint-Denijs-Westrem)23
- 9000 Ghent12
- 9120 Beveren-Kruibeke-Zwijndrecht (Haasdonk, Kallo, Melsele, …)8
- 9050 Ghent (Gentbrugge, Ledeberg)7
- 9300 Aalst6
- 9130 Beveren-Kruibeke-Zwijndrecht (Doel, Kallo, Kieldrecht, …)5
- 9170 Sint-Gillis-Waas (De Klinge, Meerdonk, Sint-Pauwels)5
- 9140 Temse (Elversele, Steendorp, Tielrode)4
- 9800 Deinze (Astene, Bachte-Maria-Leerne, Gottem, …)4
- 9810 Nazareth-De Pinte (Eke, Nazareth)4
- 9100 Sint-Niklaas (Nieuwkerken-Waas)3
- 9160 Lokeren (Daknam, Eksaarde)3
Frequently asked questions
Which is the largest company in Electricity, gas, steam and air conditioning supply in East Flanders?
By total assets, it is Fluvius System Operator (€10.2bn, financial year 2025).
How many companies in Electricity, gas, steam and air conditioning supply in East Flanders are ranked?
131 out of 132 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.
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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.