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.
All natural gas plans, compared
7 plans · Typical profile 17,000 kWh/year · ref. Wallonia · September 2026
| Supplier & plan | Annual cost | Price per kWh | Contract type | Source | Fixed fee | Regions | Commitment | |
|---|---|---|---|---|---|---|---|---|
| DATS 24 — Natural Gas Variable★ Best price | €1,629 /yr | 0.0464 € | Variable | Natural gas (+ biogas) | €38.50/year | Wallonia · Flanders | No commitment | View offer |
| Ecofix — Flexy Online | €1,863 /yr | 0.0617 € | Variable | Natural gas | €10.00/year | Wallonia · Flanders | No commitment | View offer |
| ENGIE — Basic Variable | €1,902 /yr | 0.0634 € | Variable | Natural gas | €20.00/year | National | 2 years | View offer |
| OCTA+ — Flux | €1,911 /yr | 0.0614 € | Variable | Natural gas | €65.00/year | Wallonia · Flanders | No commitment | View offer |
| TotalEnergies — myEssential Variable | €1,958 /yr | 0.0658 € | Variable | Natural gas | Standard | National | No commitment | View offer |
| Eneco — Natural Gas Flex | €2,062 /yr | 0.0702 € | Variable | Natural gas | €65.00/year | Wallonia · Flanders | No commitment | View offer |
| Mega — Smart Fixed | €2,205 /yr | 0.0805 € | Fixed 2 years | Natural gas | €111.30/year | Wallonia · Flanders | 2 years | View offer |
Cheapest in September 2026: DATS 24 Natural Gas Variable (~€1,629/year, 0.0464 €/kWh), price carried over — it is also the best gas price per kWh on the Belgian market this month. The rest of the panel rises sharply: Ecofix Flexy Online goes from 0.0449 to 0.0617 €/kWh (~€1,863/year, +€286), ENGIE Basic Variable to 0.0634 €/kWh (~€1,902/year, +€288) and OCTA+ Flux to 0.0614 €/kWh (~€1,911/year, +€289). The gap between DATS 24 and the rest of the market now exceeds €230/year. Mega Smart Fixed remains the most expensive offer (~€2,205/year, 0.0805 €/kWh): the risk premium on fixed rates keeps widening. The gas price per kWh ranges this month between 0.0464 € and 0.0939 €. 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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