Table of Contents
System Configuration Overview
System Features & Benefits
On-Site Commissioning & Training
Conclusion
In September 2025, SolarEast BESS successfully delivered a 1 MW/2 MWh large battery storage container AC-coupled containerized battery storage to a factory in Germany, marking the company’s latest step in supporting European industrial clients with high-efficiency energy storage solutions. Designed for seamless integration with solar PV, diesel generators, and unstable local grids, the system enhances energy reliability, boosts energy efficiency, and enables full on- and off-grid flexibility.
Given the account the environmental climate of the customer's area. this containerized battery storage deployment demanded not only smart integration but also robust, long-lifespan infrastructure. SolarEast BESS tailored a rugged and intelligent large battery storage container solution to meet the environmental and operational demands of the Europe market.
System Configuration Overview
Total System Name: SolarEast BESS-1MW-2MWh Containerized Battery Storage
Application: Peak shaving, energy arbitrage, load backup, and off-grid resilience
Battery type: 3.2V, 314Ah
Architecture: AC-Coupled, fully integrated with solar and diesel genset
Battery Storage System (Total: 2.089 MWh, Liquid Cooling)
1P52×5×8 lithium battery modules (per container) = 2.089 MWh
Dimension (W*D*H): 6058×2438×2591mm
Cooling method Liquid cooling/50% ethylene glycol
Cycle Life 8000Cycles(0.5P,25+2°C,@70%SOH)
Liquid cooling system for thermal stability and safety
System Features & Benefits
AC-Coupled PV Compatible: Seamlessly integrates with the site’s photovoltaic system
Diesel Generator Support: External gensets serve as a standby for enhanced off-grid reliability
Flexible Operation Modes: Fully supports on-grid, off-grid, and hybrid modes
On-Site Commissioning & Training
In October 2025, SolarEast BESS engineers will arrive on-site in Germany to provide comprehensive support for the installation of this large battery storage container project.
Our team carried out system commissioning, testing, and full integration, ensuring seamless compatibility with leading inverter brands.
They also offered real-time troubleshooting and delivered localized training to empower the customer's technical team with hands-on operational knowledge. Our local partners highly appreciated their expertise and professional service.
Conclusion
This successful 1MW/2MWh Containerized Battery Storage deployment demonstrates SolarEast BESS's capability to deliver scalable, intelligent, and resilient large battery storage container energy storage systems under challenging environmental conditions. It is a powerful solution for commercial users looking to achieve energy independence, reduce costs, and improve sustainability, especially in regions with unstable grid infrastructure.
Related Products
1.2 MWh Energy Storage System Container
The SolarEast 1.2MWh containerized battery energy storage system delivers reliable MWh-scale energy storage for commercial microgrids, industrial parks, and grid-edge peak shaving projects. All-in-one liquid-cooled design integrates LiFePO4 battery packs, PCS, EMS, BMS, and fire suppression in a single ISO-standard container. Scalable, UL9540-certified, and available for OEM/ODM.
Key specs:
1.2MWh | Liquid-cooled
LiFePO4 | Grid-tied & off-grid
IP55 | UL9540 / IEC 62619
3.34 MWh Containerized Energy Storage System
The SolarEast 3.34MWh platform sets the benchmark for high-density utility-scale BESS. Engineered for mega-efficient performance, this next-generation containerized ESS delivers ultra-low LCOS (Levelized Cost of Storage), rapid deployment, and seamless grid integration for solar farms, wind + storage hybrid projects, and large-scale industrial energy management.
Key specs:
3.34MWh | Ultra-high density
Liquid-cooled LiFePO4 | Grid-forming ready
UL9540 / IEC 62619
5.015 MWh Energy Storage System Container
SolarEast's 5MWh containerized BESS is the flagship solution for utility-scale developers, IPPs, and grid operators requiring maximum capacity per container footprint. Designed for multi-unit parallel deployment to 10MW, 20MW, and beyond, it is the cornerstone of large-scale grid stabilization, frequency regulation, renewable energy time-shifting, and demand response programs.
Key specs:
5MWh | Multi-unit scalable
High-voltage architecture | Liquid-cooled
UL9540 / CE / CB
More Power in Less Space
Related Solutions
Hotel & Guesthouse Battery Storage Solutions
+ -SolarEast BESS provides hotels and inns with efficient, safe, and smart energy storage equipment designed to slash operational costs and meet carbon emission regulations. Our all-in-one hybrid energy storage systems seamlessly integrate with your existing solar energy storage system, leveraging advanced high voltage energy storage technology to ensure a stable 24-hour power supply.
Residential Energy Storage System Solutions
+ -SolarEast's residential energy storage system, designed for homes, villas, sunrooms, and communities, stores solar energy to reduce power bills and ensure reliable day-and-night energy use.
Energy Storage Solutions for Farm & Island
+ -Whether you are looking for a reliable solar battery energy storage system for sale or a robust hybrid power network, SolarEast BESS transforms unstable grids into resilient, smart energy hubs for rural and coastal communities.
Energy Storage Solutions for Industrial Parks
+ -As a leader in electrical energy storage systems, SolarEast BESS delivers turnkey solutions—from site analysis and system design to installation and long-term O&M. Our lithium battery energy storage technology ensures high cycle life and maximum safety, providing a reliable foundation for the next generation of eco-industrial parks.
Tier-1 Utility-Scale BESS Integrator: Reliable Grid Storage Solutions
+ -Empower the grid with SolarEast BESS. As a leading energy storage system integrators company, we provide high-efficiency, liquid-cooled BESS containers ranging from 1.2MWh to 5MWh+. Our utility-scale energy storage solutions are engineered for maximum ROI, ensuring long-term stability for grid-scale battery projects and renewable energy integration.
All-in-One Commercial & Industrial (C&I) Energy Storage Solutions
+ -Sub-headline: Empower your business with SolarEast BESS. We offer integrated 100kWh to 522kWh+ liquid-cooled C&I BESS designed for factories, malls, and data centers. Our all-in-one energy storage systems combine lithium iron phosphate (LiFePO4) batteries, PCS, and EMS for seamless grid resilience and maximum ROI.
