Rising electricity prices, the growing share of renewable energy sources and ongoing debates about energy independence mean that energy storage is becoming a topic that can no longer be ignored. Just a few years ago, they were treated as an interesting novelty, but today they are increasingly seen as a necessity, both in private homes and in the public and business spheres.
Importantly, at ZPUE, we have been creating and developing energy storage facilities for nearly a decade. This experience allows us to deliver solutions that are truly changing the way energy is used in Poland.
In this article, we explain exactly what energy storage systems are, how they work, and why you should consider installing them in both your home and business.
What is energy storage and how does it work?
Simply put, these are devices that allow you to collect and ‘save’ the energy you produce for later. If you have a photovoltaic installation, you probably already know that most of the electricity it produces is generated during the day, when your household consumes the least amount of it. Energy storage solves this problem. It collects surplus energy and releases it when we really need it: in the evening, at night, and even during a power failure. This allows the electricity we generate to work more efficiently for us.
The most commonly used technologies in energy storage facilities are:
- lithium-ion batteries – lightweight, efficient and long-lasting,
- lead-acid batteries – cheaper but less efficient,
- flow batteries – designed for larger installations, stable over long periods of time.
Thanks to such solutions, it is possible to store and manage electricity in accordance with the user’s current needs.

Advantages of investing in energy storage facilities
Those who decide to purchase and install this device will immediately appreciate its advantages.
One of the biggest advantages of energy storage systems is the possibility of increasing self-consumption of energy, i.e. using the energy produced (e.g. from a PV installation) for one’s own needs. This not only reduces bills, but also makes us less dependent on electricity suppliers.
Additionally, in combination with dynamic tariffs, we can charge the storage unit during hours when energy is cheaper and use it when prices are highest, which translates into real energy savings.
In an era of rapid development of renewable energy sources, it is becoming increasingly difficult to maintain grid stability. This is where energy storage facilities come in handy, as they can act as a buffer in the event of sudden voltage drops or failures.
Their presence increases the resistance of domestic or corporate installations to blackouts, which is particularly important in industry, where every interruption means financial losses.
ZPUE energy storage systems – modern solutions for industry and households
At ZPUE, we have been focusing on the development of systems that support effective energy management for years. Our energy storage systems also contribute to this. Naturally, they work with PV installations. We build them from modules, so they can be expanded as needs grow. These devices, constructed to individual orders, are equipped with intuitive management systems that any customer can handle. Our solutions work well in both households and large industrial plants. They are based on the experience and knowledge we have been building for nearly 10 years.
Energy storage systems are no longer a novelty, but a key element of modern energy management. They reduce costs, increase independence and provide a sense of security. If you are considering such a solution, check out what ZPUE S.A. has to offer.
Energy storage facilities. Frequently asked questions
How does energy storage work?
The energy storage facility accumulates electricity during periods of surplus and makes it available when demand arises.
Why is it worth investing in energy storage?
It provides savings, independence and stability of electricity supply.
Is energy storage worthwhile in a single-family home?
Yes. It allows you to use more of your own electricity from photovoltaics instead of feeding it back into the grid. As a result, your energy bills become significantly lower.
How much energy can the storage facility accumulate?
It depends on the model and size of the installation. At ZPUE, we match the energy storage capacity to actual needs. Different solutions will work in a home and in a large production plant.
Does the energy storage system only work with photovoltaics?
No. Of course, it is most often connected to PV panels, but the storage facility can also work with the power grid, for example by charging during off-peak hours when electricity is cheaper.
How long does the energy storage last?
Modern devices, such as those offered by ZPUE, are designed to last for many years. Their service life depends on the technology, but we are usually talking about several years of use.
Is investing in energy storage complicated?
The installation process itself runs smoothly and does not require major interference in your home or business. However, it is crucial to choose the right solution. Here, it is worth trusting experts with experience, such as ZPUE.
What energy storage solutions does ZPUE offer?
ZPUE offers systems for homes, businesses and industry – tailored to different energy needs.