Driving Europe's Energy Transition with Over a Decade of Proven Expertise
Global Expertise, Local Impact
AlphaESS is a global leader in advanced energy storage solutions, with over a decade of proven success across Europe. From homes to grid-scale projects, our solutions cover all storage needs. Combining cutting-edge technology with local service, we help customers accelerate the energy transition and achieve their sustainability goals.
* InnoSolveGreen PV+Storage Project – Lithuania 6 MWh liquid-cooled BESS by AlphaESS deployed for Green Genius, enabling efficient renewable integration and grid resilience.
AlphaESS adopts industry-leading bi-directional active balancing technology, delivering 23× higher balancing efficiency compared to traditional solutions. Among various active balancing technologies on the market, AlphaESS stands out with superior performance. This innovation extends battery life by 10%+, enhances system stability, and significantly reduces maintenance costs—ensuring long-term value and reliability for every project.
High Integration, Compact Design – Save Space, Cut Costs, Deploy Faster
Ultra-High Capacity: Powered by in-house 314Ah cells, Aster 5000 packs up to 5.0159 MWh into a single 20-ft container—35% more capacity than the previous generation.
Smaller Footprint: Single-door access and back-to-back design reduce land use by 40%, while slashing transportation costs.
AlphaESS provides full on-site support for Aster 5000 BESS from planning to commissioning and training.
Operational and Maintenance Support
Professional training, fast troubleshooting, and efficient spare parts keep your Aster 5000 running at peak performance.
Local Service Network
With 40+ subsidiaries and 300+ service points, AlphaESS delivers localized multilingual support worldwide.
Why Choose Aster 5000 BESS?
Advanced Battery Balancing for 10% Longer Life
With industry-leading active balancing technology, Aster 5000 BESS boosts efficiency 23× over traditional systems, dramatically reducing maintenance needs, extending system life by over 10%, and unlocking greater long-term ROI.
Aster 5000 delivers up to 5 MWh in a compact 20-ft container, 35% more capacity than the previous generation. Its all-in-one design integrates battery modules, PCS, EMS, and thermal management, while the single-door, back-to-back layout reduces land use by 40% and accelerates on-site deployment.
5-Year Maintenance-Free with Auto-Refilling Liquid Cooling
Intelligent liquid cooling combined with automatic refilling ensures precise temperature control and hands-off operation for up to 5 years. This minimizes manual servicing, lowers O&M costs, and guarantees stable system performance in diverse operating conditions.
From aerosol fire suppression to aerogel insulation and NFPA68-compliant pressure relief, Aster 5000 battery energy storage system integrates full-spectrum safety at the cell, pack, and system level.
