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Understanding Your Belgian Electricity Bill

An energy bill is more than just "your supplier's price." To compare contracts fairly, it helps to know which part of your bill your supplier can actually influence, and which part they can't.

The 4 Parts of Your Bill: Energy, Network Tariff, Levies and VAT

  • Energy cost: the price per kWh charged by your supplier โ€” this is the part that differs between suppliers and contract types.
  • Network tariff: transport and distribution costs for using the electricity or gas grid, set by the distribution grid operator โ€” not supplier-dependent.
  • Levies: contributions such as the federal special excise duty or a regional Energy Fund contribution, also largely independent of which supplier you choose.
  • VAT: applies to the whole.
This tool currently works for Fluvius customers (Flanders). Our calculations run on the public V-test data from VREG, the Flemish energy regulator. Wallonia (CWaPE) and Brussels (BRUGEL) run their own regulators and data โ€” we don't pull from those yet.

Fixed, Variable or Dynamic Contracts: How They Appear on Your Bill

With a fixed or variable contract, your statement usually shows one (or a few, by meter type) unit price per kWh. With a dynamic contract, the price varies per quarter-hour or per hour, tied to the wholesale market โ€” your annual statement then shows an average, but your real cost depends on exactly when you used electricity.

Solar Panels: Understanding the Injection Tariff

Anyone feeding electricity back into the grid gets compensated per kWh for it โ€” the injection tariff can vary significantly between suppliers and contract types, and weighs at least as heavily on your yearly cost as the purchase price itself.

Why This Matters for a Comparison

A fair contract comparison recalculates each of these components separately against your own usage profile โ€” not just the energy cost, because comparing that alone gives a distorted picture of what you're actually paying.

Calculate it for your situation