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BYD Battery-Box Premium HVS 7.7
BYD Battery-Box Premium HVS 7.7
BYD Battery-Box Premium HVS 10.2
BYD Battery-Box Premium HVS 10.2
BYD Battery-Box Premium HVS (25Ah) - Modul
BYD Battery-Box Premium HVS (25Ah) - Modul
BYD Battery-Box Premium HVS 5.1
BYD Battery-Box Premium HVS 5.1
HUAWEI LUNA2000-5-S0 5kWh
HUAWEI LUNA2000-5-S0 5kWh
BYD Battery-Box Premium HVM battery module 2.76 kWh - new cell
BYD Battery-Box Premium HVM battery module 2.76 kWh - new cell
BYD Battery-Box Premium HVM 11.0 - new cell
BYD Battery-Box Premium HVM 11.0 - new cell
BYD Battery-Box Premium HV BCU+Base
BYD Battery-Box Premium HV BCU+Base
BYD Battery-Box Premium HVS 12.8
BYD Battery-Box Premium HVS 12.8
BYD Battery-Box Premium LVS 8 System
BYD Battery-Box Premium LVS 8 System
Enphase ENCHARGE-3T-1P-INT IQ Battery 3T
Enphase ENCHARGE-3T-1P-INT IQ Battery 3T
HUAWEI LUNA2000-5KW-C0
HUAWEI LUNA2000-5KW-C0
BYD Battery-Box Premium HVM 13.8 - new cell
BYD Battery-Box Premium HVM 13.8 - new cell
SolarEdge Home Battery-02 3ph/48V 9,2kWh
SolarEdge Home Battery-02 3ph/48V 9,2kWh
BYD Battery-Box Premium LVS 12 System
BYD Battery-Box Premium LVS 12 System
VARTA pulse neo 6 Energy Storage
VARTA pulse neo 6 Energy Storage
Pylontech Force-H2 3 x FH9637M 10.6 - (9,6 kWh)
Pylontech Force-H2 3 x FH9637M 10.6 - (9,6 kWh)
Pylontech Force-H2 2 x FH9637M 7.1 - (6,4 kWh)
Pylontech Force-H2 2 x FH9637M 7.1 - (6,4 kWh)
BYD Battery-Box Premium HVM 22.1 - new cell
BYD Battery-Box Premium HVM 22.1 - new cell
BYD Battery-Box Premium LVS - 4 kWh Modul
BYD Battery-Box Premium LVS - 4 kWh Modul
SolarEdge Home Battery-02 3ph/48V 4,6kWh
SolarEdge Home Battery-02 3ph/48V 4,6kWh
Pylontech Force-H2 battery modul FH9637M (3,3 kWh)
Pylontech Force-H2 battery modul FH9637M (3,3 kWh)
BYD Battery-Box Premium HVM 16.6 - new cell
BYD Battery-Box Premium HVM 16.6 - new cell
BYD Battery-Box Premium LVL 15.4 Modul 2021
BYD Battery-Box Premium LVL 15.4 Modul 2021
HUAWEI LUNA2000-7-S1 - Storage package 7 kWh
HUAWEI LUNA2000-7-S1 - Storage package 7 kWh
BYD Battery-Box Premium HVM 8.3 - new cell
BYD Battery-Box Premium HVM 8.3 - new cell
BYD Battery-Box Premium LVS 4 System
BYD Battery-Box Premium LVS 4 System
BYD Battery-Box Premium LV BMU - IP55
BYD Battery-Box Premium LV BMU - IP55
Pylontech Force-H2 4 x FH9637M 14.2 - (12,8 kWh)
Pylontech Force-H2 4 x FH9637M 14.2 - (12,8 kWh)
VARTA element backup 6/S5
VARTA element backup 6/S5
SolarEdge Home Battery Modul BAT-05K48M0B-02
SolarEdge Home Battery Modul BAT-05K48M0B-02
VARTA element backup 12/S5
VARTA element backup 12/S5
lefttop BYD Battery-Box Premium LV BMU
BYD Battery-Box Premium LV BMU
lefttop BMZ Hyperion 10 - new / KOSTAL / SMA
BMZ Hyperion 10 - new / KOSTAL / SMA
HUAWEI LUNA2000-14-S1 - Storage package 14 kWh
HUAWEI LUNA2000-14-S1 - Storage package 14 kWh
SolarEdge Home Battery-02 3ph/48V 13,8kWh
SolarEdge Home Battery-02 3ph/48V 13,8kWh
BYD Battery-Box Premium HVM 19.3 - new cell
BYD Battery-Box Premium HVM 19.3 - new cell
SMA Home Storage Base Unit
SMA Home Storage Base Unit
BYD Battery-Box Premium LVS 16 System
BYD Battery-Box Premium LVS 16 System
lefttop BMZ Hyperion 7.5 - new / KOSTAL / SMA
BMZ Hyperion 7.5 - new / KOSTAL / SMA
Pylontech Force-H2 main Controller FC0500M-40S-V2 + Base
Pylontech Force-H2 main Controller FC0500M-40S-V2 + Base
lefttop BMZ Helios V(E) module for Hyperion (KOSTAL,SMA)
BMZ Helios V(E) module for Hyperion (KOSTAL,SMA)
BYD Battery-Box Premium LVS 8.0
BYD Battery-Box Premium LVS 8.0
HUAWEI LUNA2000-21-S1 - Storage package 21 kWh
HUAWEI LUNA2000-21-S1 - Storage package 21 kWh
VARTA element backup 18/S5
VARTA element backup 18/S5

Home energy storage systems

With home solar storage systems, you increase the level of self-sufficiency of domestic photovoltaic systems

For owners of photovoltaic systems and home owners interested in domestic PV systems, their own consumption and self-sufficiency are becoming increasingly important. Reliable energy storage and systems are essential for this, as they make it possible to store the power they have generated for use at a later date. In total, home owners with PV systems can increase the proportion available for their own consumption from 30% (without a storage system) to up to 80% by installing a storage system.  

The storage system market is growing rapidly

Battery storage systems have been experiencing a real boom for years. The price of battery storage systems has fallen significantly in recent years and now represents an interesting investment for many customers. More than every second PV system (56%) was installed with an electricity storage system in 2021 (source: Gebäude Energieberater, 08.04.2021, geb-info.de). More and more users of solar power are becoming aware of the relevance of energy storage systems. The technology is now established, safe and has arrived on the market. In 2023, the installed capacity of home storage systems in Germany doubled again compared to the previous year to 6 GW. The expansion of photovoltaics, rising electricity prices and self-consumption, especially in combination with e-mobility, are driving these developments. Up to 2 million home storage systems are expected to be installed in Germany by the end of 2024. This would mean that around 15% of all single-family homes would be equipped with energy storage systems (source: BVES industry analysis 2024, 14.03.2024).

Finally, the growing demand for clean energy is also increasing the need for battery storage. As solar power is considered to be one of the cleanest energy sources, the demand for corresponding storage solutions to store self-generated energy and then use it at a later date is also increasing.
This market growth is expected to continue in the future so that people can increasingly use their own electricity from the roof. The possibility of using dynamic electricity tariffs will also play a decisive role here. Even if they do not have to be offered by energy suppliers until 01.04.2024, there are already several providers on the market. This also brings additional economic benefits: Cheap electricity can be temporarily stored in home storage systems and used at times when tariffs are unfavorable. 

At these times, storage units are used

The cornerstones of our services

ExpertiseMore than 25 years of experience in the field of solar energy
QualityProducts by high-quality manufacturers, carefully selected by our specialists
PlanningSolar-Planit online planning tool and PV system configurator
ReliabilityEstablished wholesaler with warehousing capabilities
CompatibilityAs a provider of complete systems for the homes of your customers

Domestic power storage systems are no longer a pipe dream – they already exist:

  • Hügelshart efficient housing estate

    The "Efficient Housing Plus" estate in the Hügelshart district of Friedberg near Augsburg, southern Germany, is a showcase project for sustainable construction built in partnership with BayWa r.e. The project demonstrates a number of new approaches, including the perfect way to integrate self-sufficient energy concepts into detached house, apartment building and terraced house concepts without compromising on comfort. The installed battery storage systems also help with this.

  • Plus Energy Solar House

    Completely off-grid? The "Plus Energy" solar home in the southern German city of Tübingen proves that it is possible. With intelligent planning and by linking various system elements in a smart way, it is possible to be 80% self-sufficient.

  • Reference system: HUAWEI LUNA2000

    A 9kWp photovoltaic system was installed on this new home in order to "not waste any sunshine". With a 10kW inverter and the battery storage solution LUNA 2000 from HUAWEI with 5kWh, the family intends to reduce its carbon emissions as much as possible. The modular concept of this battery storage solution makes it possible to flexibly extend it with additional battery modules, if necessary. This means that storage capacities of up to 90kWh can be realised even with three inverters. The app makes it possible to display all of the PV system's important data to the end customers quickly and in a way they can easily follow.

Home storage system advantages

  • End customers aiming for self-sufficiency are increasingly looking to integrate power storage systems into their photovoltaic systems
  • Flexibility thanks to modular battery storage systems that can be extended
  • Our carefully selected solar storage systems are subjected to a range of certified and demanding tests
  • Modern solar storage systems are easy to install and have been proven technically reliable
  • Solar storage systems are becoming increasingly more compact, and are also available with high-class aesthetics
  • Suitable solutions for owners of electric cars, also in combination with wall boxes
  • Easy to integrate Cloud solutions are becoming increasingly widespread
  • Energy management systems increase the own consumption proportion of the solar energy generated

We offer power storage systems by the following manufacturers:

How large should your solar storage solution be?

Recommended upper limit of usable storage capacity in detached homes, which depends on the size of the PV system and the annual electricity consumption.

The own consumption proportion and the level of self-sufficiency of a photovoltaic system can be calculated with the self-sufficiency calculator provided by HTW Berlin, for example: Unabhängigkeitsrechner | HTW Berlin (htw-berlin.de)

You can find other options for calculating the own consumption here:

DGS: Calculating the economic viability of photovoltaic systems
pv@now easy evaluates the correlations between economic viability and solar cover, the PV system, the storage capacity and an electric vehicle of domestic photovoltaic systems aimed at covering the own consumption. Only four entries needed: free, fast, neutral and reliable pv@now easy (pv-now-easy.de)

Fronius: 24-hour sunshine simulator
The 24-hour sunshine simulator from Fronius shows on an easy to follow way you can generate your own energy and cover your own daily consumption with a photovoltaic system.
The cleverest aspect: it assumes that an electric vehicle and the heating will also be fuelled by solar energy. 24 Stunden Sonne Simulator (fronius.com)

VARTA: Energy storage calculation tool
VARTA recommends a suitable energy storage solution on the basis of the individual data provided. VARTA Berechnungstool für Energiespeicher | VARTA Storage (varta-ag.com)

Verbraucherzentrale NRW: Solar calculator
The solar calculator provided by Verbraucherzentrale NRW makes it possible to estimate how much of the solar power generated by a photovoltaic system – with or without a battery storage solution – can be used in the home and for an electric car. Solar calculator: Wie hoch ist der Anteil des Solarstroms im E-Auto? | Verbraucherzentrale NRW

Which storage solution do you need for your next PV project? The storage guide will show you!

We have put together compatible storage sets for you in our online shop. After answering five questions, you are directed to the right energy storage solution for the next PV system you are planning.

Frequently asked questions

  • What capacity should my solar storage tank have?

    The capacity of a solar energy storage system should depend on various factors, including electricity consumption, the size of the solar system, the budget and the goals of the people using the electricity. Goals could be: Independence from power outages, future-proofing for as yet unforeseeable higher electricity consumption in the future and electricity consumption when the sun is not shining.

  • What are the benefits of a solar power storage system?

    The electricity storage system of a solar power system allows you to store the solar power generated and use it at a later time. This means you can also draw on solar power at night or in bad weather. This increases your independence from the power grid and reduces your electricity costs.

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