Energy storage
savings, security and independence
⚡ How an Energy Storage System Lowers Your Electricity Bills
- Maximize your solar energy use – Instead of exporting excess power to the grid for minimal profit, store it for evening or night-time use. Keep more of your own clean energy.
- Reduce peak demand = stabilize your costs – Our battery storage systems smooth out energy consumption peaks (peak shaving), helping you avoid higher grid fees and protect against energy price increases.
- Ready for EVs and heat pumps – The system balances short-term load spikes when charging your electric vehicle or running your heat pump. Works seamlessly with dynamic tariffs and smart schedules.
Lower bills, reliable backup and real independence in Luxembourg
Sustainable and Smart Energy Choice
Ask our energy advisor for expert guidance and help in choosing the right battery capacity.
We provide professional installation and service – from small single-phase systems for homes to large three-phase setups for businesses.
ContactDon’t Let Your Energy Go to Waste!
Keep your solar power with an energy storage system.
An energy storage facility is an essential solution for anyone who wants to care for the environment and save on electricity bills.
See our offer now and see how easily and effectively you can take care of your environment and your wallet.
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SolarEdge
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Breeze
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SigEnergy
SolarEdge Home optimises and prioritises your home’s energy distribution based on your individual preferences
Energy Flexibility with the SolarEdge Home Battery
– Store excess solar to power your home later in the day and at night
– Charge the battery from the grid to make the most of lower cost time-of-use tariffs
– Indoor or outdoor installation
– Add up to three batteries per inverter for greater storage capacity
– 10kWh energy capacity
– Manage your battery from mySolarEdge app and select your storage priorities
One cohesive platform.
The inverter, storage, and mySolarEdge app work as a single system – simpler installation, fewer “bridges,” and full visibility of consumption and production.
More energy from your own DC connection.
The storage works directly with the SolarEdge inverter, reducing the number of AC/DC conversions. The result: higher charge/discharge efficiency and significantly lower bills.
Reliable backup without interruptions.
In the event of a power outage, the system automatically switches selected circuits to battery operation, maintaining lighting, refrigerator, and IT operations – without manual intervention.
Scalability to meet your needs.
You start with a smaller capacity and expand as consumption increases (e.g., after installing a heat pump or EV charger). The configuration remains consistent, and expansion is rapid.
Intelligent energy management.
In the app, you set priorities (backup/savings), schedules, and responses to dynamic tariffs. The system automatically charges when electricity is cheap or sunny – and releases when it’s profitable.
Ecosystem security and reliability.
24/7 monitoring, over-the-air software updates, and compatibility with other SolarEdge ecosystem components (e.g., optimizers, meters, EV chargers) ensure stable operation and easy maintenance.
Want to find out which SolarEdge capacity and configuration will pay for itself the fastest? Let us know—we’ll select a package and prepare a quote for your home or business.
For Users who prioritize longevity and a favorable price-to-quality ratio.
Key Facts:
- Technology: LiFePO₄, > 8,000 cycles at 90% DOD.
- Products and installation support; manufactured and warranted.
- It’s charged via AC, so it can be charged when there’s excess energy from photovoltaics or when the grid becomes cheaper, as someone is on a flexible pricing model.
- It’s an energy storage device that can be connected to non-hybrid grid inverters, so there’s no need to upgrade to a hybrid, which is expensive.
- The storage device supplies voltage to the DC inverter circuit, and the inverter thinks the sun is shining and produces as much energy as needed, or, for example, 2kW until it runs out. When it comes to car charging, especially if someone has 3.5-11kW chargers, even that 2kW can be removed from the storage device and used to charge an EV.
- The storage device can also release energy when the building needs it at night.
More information: breeze-energies.com
Very long lifespan and wide model availability – a smart choice for homes and SMEs.
SIGENERGY SigenStor – 5-in-1 Modular Energy Storage (LiFePO₄)
SigenStor is a smart, modular energy storage system for homes and small businesses that combines a storage system (LiFePO₄), an inverter, a power controller, and an optional bidirectional DC charging module up to 25 kW – all in a single, aesthetically pleasing “tower.”
- Each battery module has a total capacity of 5.38 or 8.06 kWh (usable approximately 5.2/7.8 kWh) and can be scaled up to ~48 kWh, matching capacity to current and future needs (EV, heat pump, remote operation).
- The system automatically charges from PV or the grid during low-cost hours and releases energy when it’s most expensive; in the event of a power outage, it switches power to the battery for selected circuits – maintenance-free and safe.
- The optional 25 kW EV DC Charger allows for faster charging at home (bypassing the on-board AC charger) and is V2H/V2X-ready, so the car can power your home or connect to the grid in the future.
- Thanks to natural cooling, multi-layered protection, and a monitoring app, SigenStor ensures high cycle efficiency, long life, and complete energy control – now and in the future.
Other brands available upon request.
We also service other warehouses (e.g., BYD, Pylontech, Huawei, and others) after verifying compatibility with your inverter and consumption profile.
Ask about compatibility
Independence and savings
The most important benefits of energy storage
Independence and energy security for your home and business.
Stay powered when the grid goes down. A right-sized battery gives automatic backup, uses more of your own solar, and sharply cuts grid draw—protecting you from rising energy prices. Choose independence with our energy storage & backup solutions.
Cheap electricity at any time of the day or night
Buy cheap electricity at night, use it during the day, and pay less. A home battery also stores your PV surplus, so you rely less on the grid when solar is low. Save more and gain independence with our energy storage solutions.
Increasing auto consumption and relieving the energy network.
Boost your self-consumption and buy less at peak prices. A home battery stores your PV surplus and smooths peak demand, so you use your own electricity when you need it—not when the grid dictates. Take control with our energy storage solutions.
Subsidies for energy storage – attractive programs
Unlock subsidies to cut your battery costs and boost ROI. Current programs can cover a significant share of purchase and installation—often 25–50%. We’ll check your eligibility, prepare the paperwork, and maximize your benefit so your storage pays back faster.
Flexibility in expansion – Easy to adapt to your needs!
Start small and expand anytime. Our modular batteries are sized to your needs for maximum efficiency. Planning an EV charger? Storage absorbs the extra load and smooths peaks, so you charge reliably without costly grid upgrades.
Intelligent energy management
Manage energy smartly and cut costs. Intelligent modes charge when power is cheap or solar is abundant, then discharge when prices rise. Automations can run devices when the battery is full, and stored PV powers your home at night instead of exporting—lower bills, higher self-consumption.
How to choose capacity? (A simple guide)
Most important issues:
- Nighttime/critical consumption (kWh) – how much power do you want to use without solar (refrigerator, router, lighting, gateway, NAS server).
- Target self-consumption (%) – with PV + storage, the goal is usually 60–85%.
- EV/heat pump plans – if you’re planning, add +20–40% capacity.
- Example: 4-person house (12 kWh/day), PV 8 kWp → start with 10 kWh; with EV or heat pump, consider 15–20 kWh.
Request a capacity recommendation
Energy Storage Solutions
Why is it worth it now?
- Savings – the storage facility shifts consumption to its own, cheaper energy and “shifts” it to peak hours.
- Safety – in the event of a power outage, selected circuits (or even the entire house) operate automatically from the battery.
- More PV all year round – less feed-in to the grid, more real benefits for your home.
- EV, heat pump, and dynamic tariff readiness – flexible charging/discharging, DC fast charge option in the SigEnergy system.
Energy Storage FAQ – Common Questions & Answers
– We can store our surpluses with the energy operator through the prosumer program, but it is worth remembering that the surpluses that will return to us will be collected after taking into account the storage fee.
– The second way is to store energy in batteries, accumulators and even in our electric cars.
The storage process involves storing electricity from an available source, which can be converted into electricity if necessary.
An Battery storage facility is a separate device or set of devices used to store energy in any form, without causing emissions that constitute a burden on the environment, in a way that allows for at least partial energy recovery.
Yes, in Luxembourg it is possible to obtain subsidies for energy storage systems under the Klimabonus program. To be eligible for this support, the energy storage must be installed at the same time as a new photovoltaic installation operating in self-consumption mode or as part of an energy community. In addition, the photovoltaic installation must have a peak power above 4 kW for single-family homes or above 1.5 kW per dwelling unit in multi-family buildings. The capacity of the energy storage must not exceed 1.5 kWh per kWp of photovoltaic installation power, with a maximum capacity of 12 kWh for single-family homes and 9 kWh per dwelling unit in multi-family buildings. Detailed information on the conditions and application procedure can be found on the official Luxembourg administration portal.
The Battery storage works like a battery, which means that it collects energy up to its specific capacity and protects us against the effects of power failure.
A lot depends on the manufacturer we choose, the average value we can assume is 25 years.
It is worth choosing an appropriate battery storage facility that will meet our needs in the event of a power failure. It is standardly assumed that for a 3 kWp installation we select a storage unit with a capacity of 3 kWh.
The very rapid development of renewable energy sources means there is not enough time to expand the energy network, which is a problem for our energy operators. The lack of such stabilization in the long term will result in increased requirements for prosumer consumption and the use of energy storage facilities.
If power failures occur frequently in your business and it is necessary for you to generate income, then it is worth protecting yourself against such an eventuality. This will allow you to maintain the continuity of your income generation, and you can include the energy storage itself in your business costs, which is completely different from including “possible losses” during a power outage.
Because our photovoltaic installation, when generating excess energy through panels that we cannot currently use, will charge our energy storage, and when there is no production of the appropriate amount of electricity that we want to use, we will then use the energy we store in our storage. This entire process means that the battery works cyclically, charging and releasing energy alternately, which is why we recommend gel batteries, which are well adapted to this mode of operation and will not lose their efficiency too quickly.
It depends on your car consumption, the power of your photovoltaic installation and the capacity of the battery you have installed. All surpluses that are currently generated go straight to the battery, which means it depends, but it should not exceed a few hours.
When our energy storage is already full and we still produce surplus electricity, it is worth using this moment and charging our electric car to full capacity, this will relieve the load on the transmission network and not send our electricity to the power grid, for which we will later have to pay on the way back. pay.
The cost of a home energy storage system in Luxembourg varies based on factors such as storage capacity, brand, and installation specifics. On average, including installation, prices range from €5,000 to €15,000.
For instance, a user reported receiving a quote for a 10 kWh battery priced at approximately €14,150, including VAT.
It’s important to note that Luxembourg offers financial incentives for installing solar panels and associated storage systems, which can help offset these costs. Consulting with local energy providers or renewable energy specialists can provide tailored information and assistance in selecting the most suitable system for your home.
If the energy storage is an addition to an existing photovoltaic installation, most often such a battery will be installed near the inverter.
Of course, contact us and let’s talk about everything together.
Yes, with the appropriate system configuration, electricity from your home’s Energy backup systems unit can be automatically utilized during a power outage. Home battery backup systems are designed to detect grid interruptions and seamlessly switch to stored energy, ensuring that essential appliances and systems continue to operate without manual intervention. For instance, the EcoFlow Smart Home Panel Series offers an auto-switchover feature that activates within 10 milliseconds during an outage, maintaining uninterrupted power to connected circuits.
It’s important to note that not all energy storage systems come with this automatic backup capability. Some may require additional components or specific configurations to enable automatic power supply during outages. When selecting a system, ensure it includes features like automatic switchover and is properly integrated into your home’s electrical setup to provide seamless backup power when needed.
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