What does the capacity tariff cost at a charging station?

Which peak limit suits your charging rhythm?

Enter your daily mileage, return home and departure time. You will receive a practical guideline value that will allow your car to recharge on time without unnecessarily increasing your total grid consumption.

This is how the digital meter measures your monthly peak.

Fluvius records how much power you consume on average from the grid every fifteen minutes. The quarter of an hour with the highest average purchase will be your monthly peak. For billing purposes, the average of the last twelve monthly peaks counts as a progressive billing peak. The calculation is therefore not suddenly reset on 1 January.

Only what you actually take from the grid counts. A charging station of 11 kW therefore does not automatically cause exactly 11 kW peak. If the home simultaneously uses 1 kW, the meter can register approximately 12 kW. Direct solar production or a home battery that is discharging at that moment can reduce the grid consumption. Whether your connection is single-phase or three-phase makes no difference for this calculation: the total registered power counts.

• The highest average purchase over 15 minutes will be your monthly peak.
• Every month counts at least 2,5 kW, even if your actual peak is lower.
• Injection peaks from solar panels do not count; only consumption from the network counts.
• High power for a few minutes weighs less than the same power for the entire fifteen minutes.

What does a billing peak cost in 2026?

According to the Flemish Utility Regulator, 1 kW billing peak in 2026 costs on average € 53,39 per year excluding VAT, or € 4,45 per month. The exact rate varies per network area. The average monthly peak of Flemish families is 4,24 kW.

The amounts below are indicative and assume that your billing peak remains at the same level throughout the year. They only show the power component, not your full grid rate or energy bill. In the event of exceptionally low consumption in combination with a high peak, a maximum rate based on kWh may also apply.

One high monthly peak weighs differently than a recurring peak.

Suppose eleven monthly peaks amount to 4,24 kW and one month reaches 12 kW through a long charge. That one outlier increases the twelve-month average by approximately 0,65 kW. At the average rate of 2026, the indicative additional impact is approximately € 34,53 excluding VAT. So you do not immediately pay the full annual difference of more than € 400.

On the other hand, if 12 kW returns every month, then 12 kW ultimately becomes the stable billing peak. The difference compared to 4,24 kW then amounts to approximately € 414,31 excluding VAT per year. A recurring pattern therefore deserves more attention than one exceptional holiday trip that required the car to be filled quickly.

Load balancing adjusts the charging station to the consumption of the home.

With an Easee Equalizer we measure the current grid consumption per phase and set an appropriate power limit. When the hob or heat pump is switched on, the charging station reduces the charging current. As soon as the home demands less, the car will have more space again. This way you don't have to constantly charge with a low fixed charging current.

An example: if the house without a car requires 1 kW and the car charges at 11 kW, the total consumption can be approximately 12 kW. If we limit the total grid consumption to around 7 kW, the charging station will switch back as soon as the home uses more. If that difference persists every month, the indicative difference in the capacity component is approximately € 266,95 per year excluding VAT. The Equalizer cannot of course prevent household appliances without a charging station from exceeding the chosen target peak.

• Choose the lowest power that will ensure the car is sufficiently charged by the desired departure time.
• Do not let the charging station, home battery, heat pump and energy supplier work with conflicting schedules.
• Night charging is not automatically cheaper for the capacity tariff, but there are usually fewer heavy devices working at the same time.
• Charging directly on solar surplus can reduce the measured grid consumption and therefore the quarter-hour peak.
• A home battery can smooth out a peak if it is sufficiently charged and has enough output power, but don't buy it based solely on this one savings.

Check the result in Mijn Fluvius.

In Mijn Fluvius you can monitor your 15-minute readings, monthly peaks and billing peaks. Don't just look at the highest value, but also at the time of day and the pattern. Was the car charging, was the oven on or did the heat pump start? On the digital meter itself, register 1.6.0 shows the highest monthly peak until then.

After installation, we compare the desired charging behavior with the actual measurement data. If the limit is too low, charging will take an unnecessarily long time. If it is too high, the same high peak can occur every month. We look for a suitable setting based on your car, departure time and home consumption.

This calculation applies to Flanders.

In Brussels, Sibelga has a fixed annual capacity component for customers with annually recorded meters based on the available connected power. This is not calculated with the Flemish monthly peaks. The cost examples and calculator above therefore do not apply to a Brussels connection.

The three Belgian regions do not use the same household network tariff. In Wallonia, 2026 has included the optional Tarif Impact, which directs large consumers to favorable moments via time windows.

If you live outside Flanders, we will look at your network operator, meter and tariff choice separately. The technical advantage of load balancing remains, but the financial reason and calculation may differ.