Is a home battery a worthwhile investment in 2025?

How does a home battery work?

A home battery is part of a system that usually consists of a battery, converter and solar panels. A home battery lets you store the production surplus from your solar panels and use it when your solar panels produce too little or no energy – mostly at night or on cloudy days. And if you have a meter with a day and night rate, you can store cheap electricity (night rate) to use during the day. With a solar panel system, the average family can cover up to 30% of its electricity consumption. Combined with a home battery, this percentage rises to as much as 70%.

A home battery is only truly worthwhile when linked to smart control. This balances your consumption according to your consumption habits, the weather and output of your solar panels. So, you automatically enjoy the most advantageous energy rates. The best news: it will save you a hefty sum in energy costs without you having to lift a finger.

Why use a home battery? The benefits at a glance

Installing a home battery offers a lot of benefits:

• You save on your energy bill. The energy you produce is free. The more you use it, the lower your energy costs.
• You are less dependent on fluctuating energy prices.
• You provide energy to the charging point for your electric car in full or in part with the stored energy.
• You do not return electricity at a cheaper feed-in rate to the grid, but use your self-generated electricity when you need it.
• You make it easy to spread your consumption under the capacity tariff.

With a smart home battery, there are even more advantages:

• Your power peaks are automatically levelled out.
• You only purchase energy from the grid and return it at the most economical rates.
• Your electric car will automatically charge at the most advantageous times.

Why choose a home battery?

The quality of home batteries has improved tremendously over the years and the cost has gone down considerably. Nowadays, you can find high-quality batteries between €5,000 and €11,000, including installation. The payback period of a home battery combined with solar panels is 10 years on average, but can be a lot shorter or longer:

• Combined with other investments, you can increase your profit. For example, you can switch to electricity with a heat pump for heating and car charging that is supplied by your home battery when the sun is not shining.
• High energy prices also mean a faster payback time for a battery combined with solar panels. You save more because thanks to your battery, you don’t have to buy expensive energy from the grid in the evening.
• You can save on your installation cost by installing your battery together with your solar panels.
• By installing smart control, you reduce your energy bills even more and give your home battery payback time a solid boost.
• There is also the possibility to take out an energy loan for the installation of your home battery.
• All in all, a custom home battery is a profitable investment for many families. You also earn back the cost of your solar panels more quickly if they are linked to a battery because you significantly increase your self-consumption. This lets you get the most out of your digital counter. And apart from payback time, caring for our planet and comfort are also important arguments.

Not sure whether a home battery is cost-effective for you? Schedule a no-obligation consultation with one of our energy experts.