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Cheapest gas supplier in Belgium — 2026
Compare natural gas suppliers in Belgium for a typical household (17,000 kWh/year): annual cost, price per kWh and contract type.
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7 plans · Typical profile 17,000 kWh/year · ref. Wallonia · June 2026
| Supplier & plan | Annual cost | Price per kWh | Contract type | Source | Fixed fee | Regions | Commitment | |
|---|---|---|---|---|---|---|---|---|
| Ecofix — Flexy Online★ Best price | €1,637 /yr | 0.0360 € | Variable | Natural gas | Low | Wallonia · Flanders | No commitment | View offer |
| Mega — Smart Fixed | €1,673 /yr | 0.0428 € | Fixed 2 years | Natural gas | ~€59/year | Wallonia · Flanders | 2 years | View offer |
| ENGIE — Basic Variable | €1,676 /yr | 0.0364 € | Variable | Natural gas | Standard | National | 1 month | View offer |
| OCTA+ — Flux | €1,680 /yr | 0.0347 € | Variable | Natural gas | Standard | Wallonia · Flanders | No commitment | View offer |
| DATS 24 — Natural Gas Variable | €1,689 /yr | 0.0362 € | Variable | Natural gas (+ biogas) | €38.50/year | Wallonia · Flanders | No commitment | View offer |
| TotalEnergies — Pixel Blue Variable | €1,725 /yr | 0.0385 € | Variable | Natural gas | €90/year | National | No commitment | View offer |
| Eneco — Natural Gas Flex | €1,838 /yr | 0.0428 € | Variable | Natural gas | €65/year | Wallonia · Flanders | No commitment | View offer |
Cheapest in June 2026: Ecofix (~€1,637/year). Luminus and Eneco are among the most expensive (~€1,838–1,900/year). In Brussels, the residential gas market is more limited (ENGIE, TotalEnergies, Luminus, Bolt).
Indicative prices from June 2026 (sources: CREG, CallMePower, Selectra). Energy prices change every month — always check the current offer with the supplier.
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