LONGi launches Hi-MO One Pro energy storage platform in Central and Eastern Europe as businesses seek greater energy independence

LONGi has introduced Hi-MO One Pro across Central and Eastern Europe, a commercial and industrial energy storage solution designed to help businesses increase energy independence, improve utilization of renewable electricity, and strengthen operational resilience. The modular system provides 261 kWh of storage capacity and integrates five core technologies developed in-house by LONGi, including energy management and the company's patented, TÜV-certified iCCS predictive safety technology. This unified architecture reduces system complexity, enables close coordination between hardware, software, and safety functions, and simplifies installation, operation, and long-term maintenance. Hi-MO One Pro supports applications including self-consumption optimization, peak shaving, backup power, microgrids, and hybrid photovoltaic-storage systems.

The introduction of Hi-MO One Pro reflects LONGi's strategy to complement advanced back contact solar technology with intelligent energy storage solutions. Across Eastern Europe, commercial and industrial businesses are investing in solar generation to reduce electricity costs, increase energy independence, and strengthen long-term energy security. Energy storage is becoming an increasingly important component of these strategies and helps businesses capture more value from renewable electricity generation.

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A unified platform built around five core technologies

Hi-MO One Pro brings together five core technologies within a single system architecture: smart energy management (EMS), battery management (BMS), power conversion (PCS), thermal management, and LONGi's patented iCCS predictive safety technology. LONGi develops and manufactures more than 80 percent of core system components in-house. This approach enables close integration between hardware, software, and safety functions.

The coordinated architecture reduces system complexity and minimizes interfaces between individual subsystems. It supports efficient installation, commissioning, operation, and long-term maintenance.

The Hi-MO One Pro provides 261 kWh of storage capacity and is available with either 125 kW or 250 kW power conversion capacity. AC and DC cabinet configurations support a broad range of commercial and industrial deployment scenarios.

Patented early warning technology strengthens battery safety

One of the defining characteristics of Hi-MO One Pro is its ability to identify potential battery abnormalities before they develop into critical safety events. This capability is enabled by LONGi's patented iCCS predictive safety technology, a TÜV-certified early warning system that continuously evaluates battery behavior at cell level through parameters such as voltage, temperature, gas generation, valve activity, electrolyte leakage, and internal resistance.

The system can detect changes in internal resistance up to three to six months before potentially critical thermal developments occur. It can also identify abnormal gas generation more than 25 minutes before critical conditions develop and detect safety valve openings three to five minutes before a potential thermal runaway event. These capabilities provide operators with earlier visibility into battery health and additional response time.

The safety architecture integrates predictive monitoring with combustible gas detection, exhaust systems, aerosol fire suppression, and smoke and thermal detection. The platform complies with NFPA 855 and relevant IEC and UL standards. This approach supports proactive maintenance strategies and high operational reliability throughout the lifetime of the system.

Energy management and battery protection operate as one system

Hi-MO One Pro incorporates an integrated Energy Management System (EMS) that arrives pre-configured for European grid requirements and reduces on-site commissioning effort. The system manages charging, discharging, and grid interaction in real time and supports functions including peak-valley optimization, demand response, anti-reverse power flow control, backup switching, and remote operation and maintenance.

The EMS works directly with LONGi's iCCS predictive safety technology to coordinate energy management and battery protection within a single platform. This architecture provides businesses with greater visibility into energy performance and simplifies operation across complex commercial and industrial energy systems.

Maximizing the value of on-site solar generation

Hi-MO One Pro integrates photovoltaic generation directly through a 63 kW MPPT input and supports coordinated operation with grid supply, diesel generators, battery storage, and electrical loads within a single cabinet architecture. The platform supports applications including self-consumption optimization, peak shaving, demand response participation, and hybrid photovoltaic-storage-diesel systems.

Businesses that invest in solar generation can increase utilization of locally generated electricity and reduce dependence on external energy purchases with the platform. Intelligent energy management and storage capabilities can reduce peak demand on grid connections, improve utilization of available connection capacity, and support the integration of additional electrical loads such as EV charging infrastructure, heat pumps, and electrified industrial processes.

Modular storage infrastructure adapts to future expansion

Hi-MO One Pro uses a modular cabinet architecture that allows storage capacity to expand when operational requirements change. In AC configuration, multiple units can be connected in parallel to increase both power and capacity. In DC configuration, additional cabinets can be added to extend storage capacity independently of power output.

Depending on system design and load profile, the platform can provide backup durations of up to 24 hours and help maintain critical operations during grid interruptions. The modular design supports phased investment strategies and maintains a consistent system architecture throughout the lifetime of the project.

Solar growth increases demand for energy storage across Eastern Europe

Eastern Europe's photovoltaic market has expanded rapidly in recent years. Poland's installed solar capacity increased from approximately 12.4 GW at the end of 2022 to around 21 GW by the end of 2025, while the Czech market surpassed 4 GW of installed capacity during the same period. Commercial and industrial businesses across the region continue to invest in solar generation to reduce electricity costs, strengthen long-term energy independence, and improve control over energy consumption.

The rapid expansion of distributed renewable generation increases the importance of solutions that can store, manage, and optimize electricity across increasingly complex energy systems. Energy storage combined with advanced energy management enables businesses to capture more value from on-site solar generation, increase self-consumption, reduce reliance on electricity purchased from the grid, optimize the use of existing grid connections, and respond more effectively to changing energy demand.

Hi-MO One Pro was developed to address these evolving requirements. The platform combines energy management, storage, and predictive safety capabilities within a single coordinated architecture. As photovoltaic deployment continues to expand across Eastern Europe, energy storage is becoming an increasingly important component of long-term energy strategies.

Visit LONGi at Intersolar 2026: A2.170

https://eu.longi.com/events/intersolar-2026

Product information:

https://eu.longi.com/energy-storage-systems/hi-mo-one

https://eu.longi.com/energy-storage-systems/product-information

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