What does a home battery cost and when does it pay off?
4 min read below · SolarFast knowledge base
What does a home battery cost and when does it pay back?
What a home battery costs depends mostly on capacity and installation. Whether it pays off is not about price alone, but about how much of your own power it lets you save.
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What sets the price?
The biggest factor is capacity: how many kilowatt-hours the battery holds. On top of that come power, brand, whether you need a hybrid inverter, and the installation itself. A bigger battery costs more, but only earns more if you actually use that room.
We deliberately don't show a fixed price here, because it moves. Your quote carries a current figure for your situation.
In practice at SolarFast you often see systems between 5 and 10 kWh, for example Dyness modules. A 5 kWh unit is typically a few thousand euros less than a 10 kWh setup with a hybrid inverter. If the fuse box needs upgrading, that appears as a separate line in the quote.
When does a home battery pay off?
A battery pays back by letting you use power yourself that you would otherwise buy at a high rate. That works best if you use a lot in the evening, if the feed-in payment is low, or if you have a heat pump or EV charger. Net metering ends on 1 January 2027; storing your own power then matters more. Read more on our net metering page.
On our with versus without home battery comparison page we put the trade-offs side by side, so you can see when storage makes sense for your situation.
There is a side benefit too: a permanently installed battery of at least 5 kWh, combined with solar panels, counts toward your home's energy label. Plug-in batteries do not. The effect on your label is small, but a better label can earn you a discount on your mortgage rate. The conditions and figures are in our article on home batteries and the energy label.
Net metering and dynamic rates
Until 31 December 2026 full net metering applies: feed-in is settled on your annual statement. That often makes storage less urgent today than after 2027, when you receive a payment for feed-in instead of offsetting. See the ACM explanation of net metering (Dutch). With a dynamic energy contract through our partner Frank Energie you can also charge when power is cheap.
How SolarFast does the maths
We look at your yearly use, how much of it falls in the evening, your feed-in payment and your tariff. From that follows how much a battery saves you per year and within what period it pays back.
You get a no-obligation quote within 24 hours (SolarFast service) with a current figure. No fixed price on this page, but numbers that hold today for your fuse box and consumption.
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Feed-in charges for solar panels explained: why suppliers charge them, the forms they take, what the ACM checks and how to limit them.
What is a dynamic energy contract?
With a dynamic energy contract you pay the hourly price for power. When does it pay off with solar panels or a home battery, and how does it compare to fixed?
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Frequently asked questions
What does a home battery cost?
The price depends on capacity, brand and installation and changes over time. We put a current figure in your quote, rather than a quickly dated number here.
How quickly do I pay back a home battery?
It depends on your use, your tariff and the feed-in payment. The more of your own power you use, the faster. We calculate it for you.
Is a battery worth it already?
It depends on your evening use, tariff and feed-in payment. Until end 2026 you still benefit from full net metering, so storage is less urgent for some households. After 1 January 2027 that shifts. We calculate it for your situation.
What capacity do I need?
Enough to cover your evening use, not so much that the battery never fills. We size it to your real consumption.
Does a home battery count toward the energy label?
Yes, if it stores at least 5 kWh, is permanently connected and you have solar panels. Plug-in batteries do not count. It only counts once you have a new label drawn up.
We apply this every day
The same knowledge you're reading here, we put to work for households across the Netherlands.