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Only choose a dynamic contract if you can shift usage

Dynamic contracts follow market prices per hour or per quarter hour; they can pay off if you can run heavy appliances when prices are low, but raise risk if you cannot.

Flanders · Subject to change

Sources checked on · next check by . Check the source before you act.

Contracts & billsLevel 1 · HabitCost: FreeA few hours

With a dynamic contract the price changes every hour or every quarter hour with the market, depending on the supplier. It can pay off if you can run heavy appliances (charging an electric car, a heat pump, a home battery) when prices are low. Prices are usually lowest around midday and at night, and higher early in the morning and in the evening.

If most of your use falls at expensive times and you cannot move it, the advantage can disappear: with a dynamic contract you carry much of the price risk yourself, so another contract type may suit you better. Your digital meter must record quarter-hour data (metering regime 3); you can switch this on in Mijn Fluvius. The V-test includes dynamic offers; with more than a year of quarter-hour data you can import your usage for a realistic estimate.

Details

ImpactIndirect · This saves no energy by itself: it is a rule, a service, a contract, or a health or safety item. How we rate impact
Estimated savingHighly dependent on usage pattern and market prices. (confidence: low)
Who actsYou (tenant)
Needs landlord's agreementNo
TypeAction

Sources

  1. Flexibel omgaan met elektriciteit (in Dutch) · Vlaamse overheid (vlaanderen.be) (official source) · checked on
    Backs: hourly or quarter-hour prices, who benefits, cheap and expensive times of day, the advantage can disappear, quarter-hour metering (metering regime 3) via Mijn Fluvius
    Where: section 'Een dynamisch prijscontract afsluiten'
  2. Prijzenrapport 2025 (RAPP-2026-07) (in Dutch) · Vlaamse Nutsregulator (official source) · checked on
    Backs: the customer carries much of the price risk; the advantage comes from using less in high-price hours
    Where: §3.3.4 and §4.4.1
  3. V-test (in Dutch) · Vlaamse Nutsregulator (official source) · checked on
    Backs: dynamic offers in the comparison; importing more than a year of quarter-hour data

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