For many Tiny House residents, living small goes hand in hand with using energy consciously. Being more self-sufficient, less dependent on the grid and making smart use of self-generated solar power all fit naturally with this way of living.

A home battery can play an important role in that. But when does a battery actually make sense? And which solutions are suitable for a Tiny House? In this article, together with David from Thuisbatterij.nl — specialist in energy storage and advice — we explore the possibilities for Tiny House residents.

From feeding back to using your own energy

More and more households generate their own electricity with solar panels. On sunny days this often creates a surplus, which is fed back into the grid. With a home battery, you can store that energy and use it later, for example in the evening or at night.

Unfortunately, feeding electricity back into the grid is becoming less attractive. Due to feed-in costs and lower compensation rates, some people are now even temporarily switching off their solar panels to avoid extra costs. A shame, because that means sustainably generated energy goes to waste. A home battery offers a sensible solution in this situation: instead of feeding energy back into the grid, you store it for your own use. This allows you to use your solar power more efficiently while becoming less dependent on changes in the energy system.

Flexible and modular: a good match for Tiny Living

For Tiny Houses, so-called plug-in home batteries are especially interesting. These are systems that do not necessarily need to be permanently connected to the fuse box, but can work through a regular power socket. What makes these systems particularly appealing is their flexibility. There are modular solutions, comparable to stackable building blocks, that allow you to start small and expand later on. This means you can begin with a limited budget and first see how it works for your situation.

One example is the Indevolt PowerFlex 2000, a system specifically designed to be built up step by step. You start with a basic module and later add battery modules as your energy needs grow. This modular setup fits well with Tiny House living because:

• you do not need to make a large investment upfront
• the system is relatively compact
• and you can easily take it with you to a future location

What makes the system even more flexible is that it can also be used in other places. For example at a campsite, in a camper van or in a future home — whether that is another Tiny House or a conventional house.

More comfort, even outside the grid

A home battery does more than simply store energy. Many systems include an AC output (power socket), allowing you to directly power appliances. Even when the grid power goes down, the battery can function as an emergency power supply. Very useful if your fridge-freezer can keep running during a summer power outage.

This opens up all kinds of interesting possibilities. You can use stored solar power as a backup or simply for extra comfort. For example, you could run a portable air conditioner from your battery so your Tiny House stays cool at night without drawing additional electricity from the grid.

For off-grid residents without a backup generator, a mobile home battery can also provide an extra safety net, for example by charging it externally during the winter months.

When is a home battery interesting?

A home battery is not automatically the best choice in every situation. Honest advice is therefore very important, and at Thuisbatterij.nl they place great value on this.

A home battery can be interesting if you:

• have solar panels and feed a lot of electricity back into the grid
• want to become more independent from the energy network
• are looking for flexibility in where and how you use energy

Not sure what capacity you need? According to the experts, it is often wise to start small and expand later if needed. This prevents you from investing in a system that does not match your actual energy use. On thuisbatterij.nl you can also find a useful configurator to help calculate the capacity you need.

Practical points to consider

When installing a home battery in a Tiny House, it is important to keep a few practical things in mind:

• make sure the battery is placed in a well-ventilated area
• keep about 30 cm of free space around the unit so heat can dissipate properly
• do not place the battery in an escape route

Modern systems are surprisingly compact (around 50 cm wide and 25 cm deep), but they still require safe and thoughtful placement. On Thuisbatterij.nl you can find a complete guide and a practical checklist for installing a plug-in home battery.

What fits your situation?

Whether a home battery is worthwhile strongly depends on your personal situation. How much energy you generate, how much you consume and how independent you want to be all play an important role. Clear, expert and honest advice is essential, and that is exactly what you can expect from Thuisbatterij.nl.

Whether you want to live completely off-grid or simply use your energy more intelligently, a home battery can be a valuable step towards greater autonomy.

This article was written in collaboration with Thuisbatterij.nl.

Photo credits: the first image in this article is AI-generated, carefully composed to capture the Tiny House atmosphere. The other images are from Thuisbatterij.nl.