Smart battery storage for photovoltaics – save money on your energy bills
Many households feed valuable solar power into the grid – and buy it back at a higher price in the evening. Why? Because photovoltaic systems produce the most electricity precisely when it’s needed the least: during the day. The solution: a battery storage system combined with an intelligent energy management system. This allows you to achieve greater self-consumption, reduce electricity costs, and become more independent from energy providers.
What happens without battery storage?
A photovoltaic (PV) system produces the most electricity at midday. Working families have the greatest demand for electricity in the morning and evening. At these times, we cook, shower, turn on the lights, or charge our electric cars.
Without storage, this surplus solar power in the middle of the day flows into the public grid. The payback for this is low – you often simply give away your energy.
With a battery storage system, you can store the electricity and use it later when you really need it and it is more expensive from the grid. So it is obviously better to store the electricity instead of giving it away.
How does a battery storage system work with photovoltaics?
A battery storage system functions like a large rechargeable battery for your home:
- When the sun shines, it charges itself with excess solar power.
- In the evening or at night, it releases the stored energy again – for lights, appliances, or other purposes.
The combination of photovoltaics and battery storage means that you need to draw less electricity from the grid. Put simply, you use your own electricity instead of feeding it into the grid.
What are the advantages of battery storage?
More self-consumption & lower electricity costs
With a PV storage system, you can consume up to 70 percent of the electricity you generate yourself. The more you consume yourself, the less expensive electricity you need to purchase from the grid.
Greater independence from the power grid
Whether electricity prices are rising or the grid is fluctuating, a battery storage system allows you to remain independent. Your household will continue to function reliably with its own electricity.
Sustainable
energy use
Every kilowatt hour of solar power you use yourself saves CO₂. With a battery storage system, you can contribute to a more sustainable future.
“Battery storage systems are the new major lever of the energy transition. PV, storage, dynamic consumers, and an intelligent energy management system are the boosters for reducing energy costs in buildings. Self-consumption and energy cost reductions of 80% are absolutely realistic values.”
How Loxone makes your battery storage even smarter
A battery storage system, means you can use your solar energy more efficiently but it is not optimised – with Loxone, you get the most out of it through automation for optimal efficiency. That’s because your PV system, battery storage, and all devices in your home work together without any manual effort or human inefficiency.
An example from everyday life:
The sun is shining, your PV system is producing more electricity than is currently needed. The Loxone Energy Manager decides what happens to the surplus based on individual prioritisation.
If the storage unit is full, the energy is automatically used intelligently according to further prioritisation. Only when everything else has been supplied does the rest of the energy get sold back to the grid.
This ensures that your solar power stays in your home – not a single kilowatt hour is wasted. You can also change the priority settings at any time in the Loxone App.
How does Loxone help reduce your energy costs?
In addition to the Energy Manager, which intelligently distributes existing surplus energy to consumers and storage, the intelligent Load Management means that all devices run optimally like heat pumps, washing machines, wallboxes – without overloading.
The Energy Fow Monitor visualises in real time how much electricity the PV system is producing, how much electricity is currently being consumed and where, and thus shows opportunities for optimisation.
With the information provided by the Weather Service, rooms can be deliberately overheated or cooled in order to use excess energy in a smart and energy-efficient way for how the system has planned the rest of the day.
In addition to self-consumption, the Spot Price Optimizer automatically shift large consumers to cheaper tariff periods or charges your battery storage with cheap electricity.
In general, with the Loxone App keep track of generation, storage levels, consumption, and all other areas in your building at all times.
This interaction makes your battery storage more than just a “rechargeable battery.” It becomes part of a smart system. This system makes your home energy-efficient, sustainable, and future-proof.
Practical example: 90% self-sufficiency with solar power
A Loxone project in Bavaria demonstrates that battery storage is worthwhile:
Here, an intelligent combination of a photovoltaic system, battery storage, and Loxone energy management has enabled the household to be supplied with around 90% of its own solar power.
Interested in Loxone?
Whether you want Loxone installed or you want to start offering your customers Loxone, speak to us about making that happen.