Independent guides, comparisons and reviews from Quel Fournisseur Énergie.
Single-phase, three-phase 3x400V+N, three-phase 3x230V without neutral: Belgium's three connection types, their real kVA capacity, the cost of switching, and the Flemish capacity tariff effect.
Ideal room-by-room temperatures in Belgium, where the 7 % per degree figure actually comes from, and what one extra degree costs at August 2026 gas prices.
Gas is three times cheaper per kilowatt-hour, and that settles nothing. The cost per kWh of heat after efficiency, the SCOP 2.9 threshold, the annual bill for five systems, and the three regional frameworks.
You choose your supplier, never your grid operator. Who does what, who to call, and how much 2026 network tariffs cost in Wallonia, Brussels and Flanders.
Plug-in wattmeter, smart plug or a monitor on the P1 port: the three families of devices, payback calculated at the Belgian kWh price, and how to activate P1 with each grid operator.
Your energy supplier goes bankrupt: you will not be cut off, but you switch to a last-resort supplier at a noticeably higher rate. Here are the deadlines, your rights over advance payments and the steps to take.
Convert your gas m³ into kWh, and back again, using the official Belgian coefficients. Free tool, formula explained, high- and low-calorific gas, reference table and estimated cost.
A monthly energy advance payment that is too high is not set in stone. What Belgian law lets you ask for, how to calculate the right amount, and why you have 15 days to refuse an increase imposed by your supplier.
The average Belgian household uses around 17,000 kWh of gas per year. Benchmarks by housing type, m³ to kWh conversion, how to calculate your own figure, and what it costs in 2026.
