Knowledge Base
Sustainable energy is full of terms that blur together: watt-peak, net metering, an inverter or grid steering. We explain them here in plain language, with no sales pitch. That way you understand what's on your quote and can choose something that fits your home and your usage.
We cover the whole chain around your home: generating with panels, storing in a home battery, charging your car and heating with a heat pump. Can't figure it out? Request a no-obligation quote and our engineers will work it through for your situation.
Popular explainers
Common terms and clear explanations from our experts.
Guides and explainers
Buying guides, practical explainers and in-depth articles on panels, batteries, charging and heating.
Smart home energy control
How to steer your home energy with your inverter, battery and smart devices: use more of your own solar, pay less, and how it differs from grid control.
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Solar panel yield and return
How to estimate solar panel yield, what affects output over the year, and the difference between yield and return.
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Buying solar panels: what to look for
A practical buyer's guide for solar panels: panel types, comparing brands and installers, warranty, quotes and what to check before you sign.
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The financial benefits of solar panels
What solar panels save you: a lower energy bill, favourable Warmtefonds financing, net metering and often a higher home value.
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What does a home battery cost and when does it pay off?
How to weigh the cost and return of a home battery: what sets the price, when payback is realistic, and how net metering plays in.
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Home EV charging: how does it work?
How home charging with a wallbox works, what charging power means, and how to charge on your own solar power.
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How does a heat pump work?
What a heat pump does, the difference between hybrid and all-electric, and why insulation and your heating system matter.
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Why insulation before a heat pump?
Why good insulation makes the difference for a heat pump, which measures help most, and when a hybrid setup makes more sense.
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Becoming energy independent: concrete steps
Three concrete steps to rely less on the grid: solar panels, a home battery and smart use. What each step gives you and the order to tackle them in.
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Short definitions of common terms: kWh, watt-peak, inverter and dynamic contracts.
What is an inverter?
What an inverter does in a solar system, the difference between string, micro and hybrid, and what to look for.
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What is watt-peak (Wp)?
Watt-peak is the measure of a solar panel's power. What it means and how to convert it into yearly output.
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What is a kWh (kilowatt-hour)?
A kilowatt-hour is the unit on your energy bill. What it is, how it differs from kW and kWp, and how much a household uses.
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What is a dynamic energy contract?
How a dynamic energy contract works, with hourly prices that move with the market, and how it pairs with your panels and a home battery.
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