Solar & ESS Blog
SolaX Power Recognised as One of Germany’s Leading Energy Storage Brands
Germany remains one of Europe’s most demanding solar and energy storage markets. Installers work with a broad range of inverter and battery brands, while customers increasingly expect solar PV, battery storage, EV charging and energy management to operate as one integrated system.
Against that background, SolaX Power has received EUPD Research’s Top Brand PV seal in the Storage category for Germany, adding energy storage to the company’s existing Top Brand PV recognition in the German inverter market. The award is based on the German InstallerMonitor 2025/2026, which evaluates brands using installer feedback and several performance indicators, including Net Promoter Score.
For professional solar installers, EPC companies and B2B buyers, the recognition matters because it reflects the experience of companies that actually design, install, commission and support energy storage systems in the field.
SolaX Records an NPS of 83.3 Among Surveyed German Installers
According to SolaX, the installers surveyed who offered SolaX storage solutions gave the brand a Net Promoter Score of 83.3. Among those respondents, 83% were classified as promoters and 17% as passive, with no detractors recorded.
NPS measures how willing respondents are to recommend a brand or product. It is not a direct measurement of inverter efficiency, battery cycle life or product reliability, but in the solar storage market it provides a useful indication of installer sentiment.
That is important because installers experience a product in ways that end users often do not. They see how easy the equipment is to specify, whether the inverter and solar battery communicate correctly, how straightforward commissioning is, and how technical support responds when something does not work as expected.
For an energy storage brand, installer confidence is therefore particularly valuable.
Why Installer Feedback Matters More in Energy Storage
A standard grid-connected solar inverter is already a technically sophisticated product, but energy storage adds another layer of complexity.
A modern residential solar system may include a hybrid solar inverter, a high-voltage or low-voltage solar battery, smart meter, backup equipment, communication accessories, EV charging, heat pump integration and cloud-based energy management.
Each component must work correctly with the others.
A technically strong battery can still create installation problems if communication is difficult, commissioning is unnecessarily complex or replacement parts are not readily available. Similarly, a good solar inverter is less useful when compatible battery options are limited or firmware integration is inconsistent.
That is one reason EUPD’s Top Brand PV methodology is centred on installer feedback rather than simply comparing product specifications. EUPD says its annual PV InstallerMonitor evaluates brand awareness and market perception across modules, inverters, storage technologies and wholesale companies.
SolaX Now Holds Recognition in Both Inverters and Storage in Germany
SolaX had already received EUPD Top Brand PV recognition in Germany for its inverter business. The addition of the Storage category means the company is now recognised across two of the most important components in a modern residential solar-plus-storage system.
This is particularly relevant as the European residential PV market becomes more integrated.
Installers increasingly prefer complete ecosystems where the solar inverter, battery, backup equipment and energy management software have been designed to work together. The reason is practical: every additional third-party interface can create another compatibility point that needs to be checked.
For SolaX, its wider ecosystem now includes residential and C&I energy storage inverters, batteries, all-in-one ESS products, EV chargers, monitoring equipment and smart energy management tools.
That gives installers the option to design more of the system within one manufacturer ecosystem.
Energy Storage Is Becoming Central to German Residential Solar
Battery storage is no longer a niche addition to solar PV in Germany.
Residential users increasingly want to consume more of the electricity produced by their own solar panels rather than export it immediately to the grid. Battery storage allows part of the daytime solar surplus to be shifted into evening and night-time consumption.
The economic benefit depends on the system design, electricity tariff, battery cost, household consumption profile and PV production, but the technical principle is straightforward.
Without a solar battery, surplus midday production may leave the building. Later, when solar generation falls, electricity is imported again.
With battery storage, part of that energy can be retained on site and used later.
This is why hybrid solar inverters and battery systems are increasingly being selected together rather than treated as two separate purchasing decisions.
Complete System Compatibility Is Becoming a Major Buying Criterion
For a professional installer, the question is not simply whether a solar battery has enough kWh.
The more important questions are whether it is compatible with the intended inverter, whether the battery voltage and current fit the inverter specification, whether the BMS communication is supported and whether the complete configuration can be commissioned reliably.
This becomes even more important when a system needs backup power.
A complete backup solution may require more than a hybrid inverter and battery. Depending on the system architecture, additional switching, backup boxes, MATEBOX components, meters or communication devices may be required.
That is why installers increasingly value manufacturers that can supply not only individual products but a complete and documented system.
SolaX itself says installer expectations are shifting towards how well inverter, battery and energy management products work together, how easily they can be commissioned and what level of support is available after installation.
What the Award Means for Solar Wholesalers and B2B Buyers
For a solar wholesaler or solar distributor, installer preference directly affects inventory decisions.
Products that installers already know and are willing to recommend are generally easier to specify repeatedly across multiple projects. That can simplify training, technical support, spare-parts planning and complete-kit configuration.
However, an award should never replace project-specific technical checks.
A B2B buyer still needs to verify the exact SolaX inverter model, supported solar battery family, maximum storage capacity, backup architecture, required accessories and local grid compliance.
This is particularly important for a B2B solar webshop, where several versions of the same product family may be available.
A good procurement process should identify the exact model code and complete system configuration rather than simply ordering a “SolaX battery” or “SolaX hybrid inverter”.
Local Support Remains Critical
One of the most important comments in SolaX’s announcement concerns local service.
James Li, General Manager Assistant and Marketing Director at SolaX Power, said the company’s objective is to provide installers with systems they can work with confidently, supported by training, tools and local service.
That is an important point for any solar distributor or solar wholesaler.
A low purchase price is useful only until the first commissioning or warranty problem appears. For professional installers, the real cost of a product also includes installation time, support response, warranty handling and the availability of replacement hardware.
Energy storage makes these issues even more important because systems may remain installed for ten years or longer.
The supplier relationship therefore needs to extend beyond the original sale.
The German Recognition Follows Wider SolaX EUPD Awards
The German storage recognition is not SolaX’s only EUPD result in 2026.
Earlier in the year, SolaX received both inverter and energy storage Top Brand PV awards in the UK for 2026, extending its recognition in that market to five consecutive years. The company has also received EUPD’s Top Innovation Award for AI Solutions in Europe for its X Matrix energy intelligence platform.
Together, these awards illustrate how the competitive focus of the solar industry is broadening.
Hardware remains fundamental, but manufacturers are increasingly being evaluated on the complete ecosystem: solar inverter performance, battery storage, software, energy management, installer usability and support.
For installers, this can reduce the complexity of building complete solar and energy storage systems.
Why This Matters for European Installers
Germany is often an important reference market for European solar products because of its large installer base and mature residential energy storage sector.
Recognition based on installer feedback can therefore carry relevance beyond Germany, although it should not automatically be interpreted as proof that the same brand preference exists in every European market.
Different countries have different grid codes, product availability, service structures and customer requirements.
For an installer working in Hungary, Romania, Austria, Slovakia or elsewhere in Europe, the correct decision should still be based on local certification, support, compatibility and stock availability.
The German award provides an additional indicator of brand acceptance, not a substitute for those checks.
SolaX Storage as Part of a Complete Solar PV System
The broader market direction is increasingly clear.
Customers are moving away from standalone PV towards integrated systems that may combine solar panels, a hybrid solar inverter, solar battery storage, backup functionality, EV charging and intelligent energy management.
For installers, the value of a manufacturer increasingly depends on how well those technologies operate together.
For wholesalers, it means complete system procurement becomes more important than selling individual products.
And for homeowners, the real benefit comes from a system that is sized correctly, configured correctly and supported throughout its operating life.
The EUPD Top Brand PV recognition does not by itself determine whether SolaX is the right choice for a particular project, but the 83.3 installer NPS and Storage category recognition in Germany provide a meaningful signal of how surveyed installers currently perceive the brand.
For Solar&Solar Wholesale, the practical focus remains the same: supplying professional installers with correctly matched SolaX solar inverters, battery storage, accessories and complete system configurations, with model-specific compatibility, current warehouse stock and European delivery checked before procurement.
What recognition did SolaX receive in Germany in 2026?
SolaX received EUPD Research’s Top Brand PV seal in the Storage category for Germany, adding storage recognition to its earlier inverter recognition in the German market.
What NPS did SolaX achieve among surveyed installers?
Among surveyed installers offering SolaX storage solutions, the brand recorded an NPS of 83.3.
How many surveyed installers were promoters?
SolaX reports that 83% were promoters and 17% were passive, with no detractors recorded among those respondents.
What is the EUPD Top Brand PV Award?
EUPD Research uses its PV InstallerMonitor to analyse brand awareness and perception among solar installers. Top-performing brands can receive Top Brand PV recognition in categories including modules, inverters, storage and wholesale.
Is SolaX also recognised for inverters in Germany?
Yes. SolaX had already received EUPD Top Brand PV recognition in Germany in the inverter category before adding the 2026 Storage recognition.
Why does installer feedback matter for battery storage?
Installers work directly with system design, commissioning, inverter-battery compatibility and after-sales support, so their experience can provide useful insight into how practical a storage platform is to deploy.
