Intersolar 2026: 10 Major Energy Storage Trends to Watch

Currently, the intensification of El Niño in Europe has widened the power gap and ignited the urgent demand for energy storage in Europe. The PCS ban remains in place, with exemptions for household, commercial and industrial, and private investments. Meanwhile, the battery passport has come into effect, and compliance requirements have become stricter. Against this backdrop, the European energy storage market continues to heat up.

The ongoing The Smarter E Europe 2026 in Munich has further confirmed this trend with good news. Hithium signed a 1GWh energy storage order, and Wolong Energy Storage signed a cooperation agreement for a 1.5GWh energy storage project.

This exhibition has become the focus of the global energy storage industry, providing an important window to observe the trends of global energy storage products and the market direction. Therefore, Energy Storage Insights by Pros has specially organized this hot - topic project, delving into the exhibition site to track the product layouts, strategic trends, and market signals of enterprises, bringing you first - hand insights into the European energy storage market.

01

Four Evolution Directions of European Household Energy Storage

Europe remains the largest single market for household energy storage. At this exhibition, household energy storage products still dominate. Many domestic and foreign enterprises, such as Sungrow, BYD, Hichen Energy Storage, Sigen New Energy, Huayuxin, Haier New Energy, Hooymiles, as well as Humsienk, WattCycle, MARSTEK, Jackery, have all made their appearances and competed on the same stage. Specifically, household energy storage products are showing four trends:

Trend 1: Integration and Stacking Become the Mainstream

In the whole - house energy storage solutions, the integrated stacking design that integrates inverters, batteries, and EMS (Energy Management System) is the main form. For example, Sungrow launched the home energy storage system PowerHarbor, which offers flexible options of 10 - 30 kW power and 6 - 10 kWh battery modules. The modular plug - and - play architecture simplifies the installation process and can meet the subsequent expansion needs.

On - site, many enterprises have also launched all - in - one household energy storage units. For instance, Huayuxin exhibited the new - generation all - in - one household energy storage unit HYXI Aura and the HYXI Halo series of micro - energy storage products. Among them, the biggest feature of HYXI Aura is that it truly realizes "integration" and has outstanding advantages in three aspects: power backup, capacity expansion, and installation. It can provide power backup for the whole house with a single unit, no gateway is required, and the grid - connected and off - grid switching can be completed in 0 ms. The battery packs can be flexibly mixed with 7/9 kWh and are compatible with old and new ones, supporting phased capacity expansion, which can significantly reduce the full - life - cycle usage cost. The stacking wiring only takes 7 minutes, and the debugging takes 3 minutes. The whole - system diagnosis can be completed with one key, making the whole unit compact and suitable for European family spaces.

Picture: Huayuxin HYXI Aura All - in - One Household Energy Storage Unit

Trend 2: Balcony Micro - Energy Storage Shifts from "Professional Electrical Equipment" to "Mass - Consumption - Grade Home Appliances"

Driven by the policy dividends in Europe and the optimization of end - user energy costs, the products of balcony micro - energy storage have witnessed explosive growth. Moreover, balcony and micro - energy storage are shifting from "professional electrical equipment" to "mass - consumption - grade home appliances".

Aiming at this industry trend, Huayuxin further expanded the HYXI Halo series of micro - energy storage product matrix and launched two new products. The HYXI Halo 5 is positioned as a 5 kWh micro - energy storage all - in - one unit, targeting families with higher requirements for single - unit capacity and space utilization. The PV version supports the connection of the photovoltaic DC side, further improving the energy utilization efficiency of the system, and is suitable for new balcony photovoltaic users.

It is reported that the HYXI Halo achieves a high performance density within a limited volume. The aviation - grade material combines both strong strength and light weight, with the lightest being only 28 kg. It can be flexibly deployed in balconies, courtyards, or outdoor scenarios. Through three versions of 3 kWh AC coupling, 3 kWh PV DC coupling, and 5 kWh integration, the HYXI Halo series provides a lighter, more flexible, and long - term energy storage option for apartment residents, small - sized households, and users with outdoor power needs.

Picture: Huayuxin HYXI Halo 5 & Halo PV

Trend 3: Shift from Single Household Energy Storage Equipment to a Complete Home Energy Ecosystem

The competition dimension of household energy storage products is upgrading from a single hardware comparison to a competition of a complete home energy ecosystem.

BYD Energy Storage officially launched the Residential Energy Ecosystem. Based on the original Battery - Box HVB energy storage battery and Power - Box TH three - phase hybrid inverter, three new ecological products, namely Smart Ecobox (Intelligent Energy Management Center), Backup - Box (Whole - House Power Backup), and AC Charging Box (Photovoltaic - Energy Storage - Charging Integration), have been added. The solution has expanded from the traditional "photovoltaic + energy storage" to a full - chain ecological system integrating power generation, energy storage, power management, power backup, and charging.

Trend 4: The Application Boundary of Household Energy Storage Products Extends to Commercial and Industrial Energy Storage

It is worth noting that the application scenarios of household energy storage products are breaking through the family boundary and extending to small - scale commercial and industrial scenarios. For example, BYD Energy Storage launched the new Battery - Box Mega at the exhibition site. Although it is positioned as a household energy storage product, it is clearly designed for scenarios such as small factories, farms, shops, and hotels, combining the performance of the commercial and industrial grade with the convenience of the household grade. Its single module has a capacity of 12.5 kWh and supports flexible configuration from 62.4 kWh to 262 kWh, covering a much wider range than traditional household energy storage.

02

Five Keywords Defining the New Direction of European Commercial and Industrial Energy Storage

Compared with household energy storage, European commercial and industrial energy storage has the characteristics of low penetration and high potential. The electricity price fluctuations and the demand for peak - valley arbitrage are driving the accelerated release of the demand for commercial and industrial energy storage. At this exhibition, many enterprises such as Huayuxin, Hongzheng Energy Storage, Kostal, Daqin Digital Energy, Topband, and Weimu Technology have brought their new commercial and industrial energy storage products to the stage.

To meet the market's urgent needs for standardization, high safety, and high adaptability in the European commercial and industrial sectors, these new commercial and industrial energy storage products can be mainly summarized into five core characteristics, namely:

European Standard Customization - Strictly comply with European regulations and grid - connection standards to achieve "compliance upon entry".

High Integration - The integrated AC - DC architecture compresses the floor space to the extreme, adapting to the reality of limited space in European commercial and industrial sites.

Flexible Capacity Expansion - The modular design supports step - by - step investment and on - demand capacity expansion, reducing the one - time capital pressure and taking into account both investment flexibility and long - term economic efficiency.

Calculable Revenue - AI is deeply embedded in the EMS and cloud - edge collaboration, making peak - shaving and valley - filling and dynamic electricity price arbitrage "calculable" from "desirable". At the same time, multi - layer protection and millisecond - level cut - off build a safety bottom line.

Worry - Free Installation and Maintenance - Factory pre - debugging shortens the overseas debugging cycle. Automatic liquid replenishment and remote diagnosis reduce the daily maintenance burden, and the system operates with low noise and no interference.

Facing the continuous demand of the global commercial and industrial energy storage market for high safety, high integration, low cost per kWh, and intelligent operation and maintenance, Hichen Energy Storage officially launched a new - generation commercial and industrial liquid - cooled energy storage product - the ∞Power 1022 kWh liquid - cooled commercial and industrial energy storage cabinet. This product is equipped with the self - developed ∞Cell 1175 Ah large - capacity battery cell, using a 1P272S system architecture. The nominal capacity of a single cabinet is 1022.72 kWh, supporting a 0.25P charge - discharge rate, and the DC voltage is controlled within 1000V. It is specially designed for long - term commercial and industrial energy storage scenarios. Compared with the traditional multi - cabinet parallel scheme, a single cabinet reduces the floor space by about 32%, and the capacity per unit area reaches about 300 kWh/m².

In addition, Huayuxin displayed the HYXI Atlas 261 kWh liquid - cooled commercial and industrial energy storage system on - site. The product uses A + - grade Tier 1 battery cells, vehicle - grade Packs, and a three - phase four - bridge - arm topology PCS, maintaining stable output under harsh environments and complex working conditions. It only occupies 1.39 square meters and is equipped with the industry's first - launched automatic liquid replenishment technology, saving an average of 70% of the maintenance time.

Picture: Huayuxin HYXI Atlas Commercial and Industrial Energy Storage Outdoor Cabinet

On the revenue side, the EMS Ultra and HYXI Cloud collaborate at the cloud - edge level, directly reducing electricity costs through peak - shaving and valley - filling and demand management. On the safety side, there are 7 - layer protection, 271 monitoring points, AI battery cell fault prediction, 20 ms ultra - fast cut - off, and early warning of thermal runaway. In the European market with deepening dynamic electricity prices, frequent negative electricity prices, and pressured photovoltaic revenues, the logic of HYXI Atlas is clear: to make commercial and industrial energy storage investments transparent, predictable, and verifiable.

Overall, the competition in European commercial and industrial energy storage is not only a comparison of hardware parameters but also a competition of solution capabilities. The one who better understands the local electricity price mechanism, grid - connection requirements, installation specifications, financing models, and operation and maintenance responsibilities is closer to getting the orders.

03

Capacity Increase and Threshold Raising: The Competition in European Large - Scale Energy Storage Shifts Gears

The shipments of European large - scale energy storage are shifting from mainly projects in the hundreds of MWh level in the past to the GWh level. Co - located energy storage is being deployed at an accelerated pace in markets such as Germany, the UK, and Bulgaria.

From the large - scale energy storage products launched by enterprises inside and outside the exhibition, large capacity, high density, long life, and system - level integration capabilities are becoming the core dimensions for leading manufacturers to compete. Although the product paths of each enterprise have different focuses, they all point in the same direction - to enable large - scale energy storage projects to create higher revenues, better safety, and lower full - life - cycle costs on limited land.

CRRC Zhuzhou Institute: Launched a new - generation 6.X liquid - cooled energy storage system. Compared with the previous - generation product, the energy density of this product has increased by 25%, and the floor space of the whole station has been reduced by more than 20%, effectively coping with challenges such as the shortage of land resources and strict planning and approval in Europe. It uses the dual - technology linkage of "top - air - outlet heat - dissipation design" and "temperature - adaptive control strategy", reducing the auxiliary power consumption of the temperature - control system by more than 10%. This integrated solution can be adapted to power - generation - side, grid - side, and commercial and industrial (C&I) scenarios, helping owners improve their return on investment.

Starcloud: Launched the liquid - cooled integrated AC - DC energy storage system STAR X. This product integrates the battery system and the liquid - cooled PCS supporting grid - forming applications in a single cabinet and adopts all - internal DC wiring. It is pre - installed and pre - debugged in the factory, accelerating project deployment. It is equipped with CATL's third - generation 530 Ah high - capacity battery cells, with a cycle life of more than 10,000 times (@70% SOH). It is one of the first liquid - cooled integrated solutions in the industry to use 530 Ah battery packs.

Chuneng New Energy: Showcased the M6 energy storage system solution. This system is based on 588 Ah large - capacity batteries and uses a CTP long - module design. The rated power of a 20 - foot standard container reaches 6.26 MWh, precisely meeting the European market's urgent demand for large - scale long - term energy storage for 4 - 8 hours. To address the pain point of the shortage of land resources in Europe, the CTP module design increases the cabinet loading efficiency by 50%, the land utilization efficiency of megawatt - hour - level projects by 33%, and reduces the number of containers used by 20%. The system uses a multi - stage variable - diameter balanced liquid - cooling circuit to ensure that the working temperature is ≤35°C, extending the service life by 20%.

Fluence Energy: Launched the Smartstack™ 10 MWh energy storage system on June 23, achieving a core site - level energy density of about 680 MWh/acre (168 kWh/m²) without increasing the physical footprint. It has completed large - scale fire tests (LSFT). This system reduces the cost of auxiliary equipment by up