Knowledge base
Knowledge base
Short, reliable explainers on energy, from your home to the market, with sources, without a sales pitch.
At home
Electric driving and home charging
What you need to know to charge an electric car at home: power, wallbox, registering with Fluvius, the capacity tariff and costs.
Read moreHeat pump: is your home ready?
What a heat pump does, how to check whether your home is ready to switch from gas or heating oil, and which grant you can get in 2026.
Read moreHome battery: yes or no?
When does a home battery pay off without a Flemish grant? What it does, what it can save and what to know before you sign a quote.
Read moreInsulate: start with the roof
Why you should start with the roof in a home heated by gas or heating oil, what Mijn VerbouwPremie still pays in 2026 and what to check in the quote.
Read moreSolar panels in 2026: without a backwards-running meter
What changes for solar panels with a digital meter? Self-consumption, injection, the balance on your old meter, VAT and loans in Flanders.
Read moreMarket
Fixed, variable or dynamic: which energy contract suits you?
What a fixed, variable and dynamic electricity contract is in Flanders, what each cost in 2024 and 2025, who gains from them and how to compare quotes fairly.
Read moreHow is the electricity price set? From gas plant to your bill
Why gas often sets the electricity price, how wind and solar push it down and what of that reaches your bill. With sources and a practice model.
Read moreMobility
Mining and oil: what electric and fossil-fuel cars take from the ground
A battery holds, once, about 140 to 250 kg of metal and graphite. A petrol car burns thousands of litres. What is documented about the harm each one does?
Read moreElectric, petrol, diesel or hydrogen: which pollutes more?
How much CO2 does a car emit over its whole life? Figures for electric, petrol, diesel, plug-in hybrid and hydrogen cars, with the assumptions behind them.
Read moreFuels
Hydrogen: where does it make sense and where not?
What hydrogen is, how it is made today, what the colours mean and where it makes sense or not, with figures, sources and an overview for Belgium.
Read morePellets, biogas and biofuels: how green are they really?
Are pellets CO2-neutral and is green gas really green? What bioenergy does and does not solve in 2026, and what that means if you replace your gas or oil boiler.
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