ATEN 30kW BESS

ATEN 30kW BESS

AGreatE’s ATEN 30kW BESS is an all in one hybrid energy storage battery system designed for either grid connected, hybrid, or totally off grid  applications.  Available in 64kWh and 128kWh standard sizes with 3 phase configurations (400V~480V), these BESS hybrid systems offer users a turn key energy storage systems that are designed for 10+ years of hassle free energy generation and usage.

The ATEN 30 pairs seamlessly with a number of different energy sources.  Typically Solar, Grid, and Diesel Gensets are paired together to make mini-grid applications.

Battery Pack

ATEN 9.2kWh Battery Pack

The ATEN P9 battery pack is based on Lithium Iron Phosphate Cell technology.  16 cells are configured 2 parallel/8 in series.  The duct free design and active ventalation design ensures better cooling efficiency and longer life spans (5000 cycles with up to 1C rating).

AGreatE's P9 9.2kWh LFP Battery Pack for BESS Systems
High Voltage Control Unit

High Voltage Control Unit

R138 HVU is a multi stage charge protection device that offers duel channel power supply and safety disconnect functionality (160 to 205 Amp circuit breaker with 250 Amp fuse).  Designed with a 10 year operational life expectancy.

AGreatE's High Voltage Drawer Unit for BESS Systems
Battery Rack

ATEN P9 Rack

AGreatE's ATEN-R138 Battery Rack is a reliable, long cycle life, modular, and scalable lithium iron phosphate (LFP) battery energy storage system.  Perfectly integrated as a (BESS) building block for PV + BESS + Charging applications.

AGreatE's ATEN R138 Battery Rack for BESS Systems
PCS and DC/DC Converter

30 kW PCS and
DC/DC Converter

At the heart of the power system is the bi-directional power conversion system which supports grid, PV, and gensets and includes a built in transformer & STS (static transfer system) to control.  Utilizing a modular design, the DC/DC converter can be configured with shared or separate DC bus for the PV and battery system.

AGreatE's Power Control System, PCS for BESS Systems
Smart BESS Controller

Smart BESS Controller

The BESS Controller is the brains of the system.  A complete data acquisition system designed with multiple overload and reverse power protections.  With a built in HMI this system enables the complete control and overview of the BESS system.

AGreatE's BESS Controller for Battery Energy Storage System
BESS System Monitoring

BESS System Monitoring

Cloud Based EMS enables a comprehensive view of real-time data, historical data, reports, and energy forecasting.

AGreatE's BESS Monitoring System Software on a Computer or Laptop
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ATEN 30kW Benefits

  • Local HMI & cloud based Energy Mtg. System
  • IP54 cabinet/enclosure
  • HVAC heating and cooling system
  • Fire extinguishing system integration
  • Hybrid PCS control with LFP battery & PV (optional)
  • Long life span & robust control system
  • All in one system for easy installation and maintenance
  • Uses solar energy efficiently and significantly reduce electricity costs, which is clean and environmentally friendly


Common Applications

  • Increased Self-Consumption/Self-sufficiency from Solar Plus Storage
  • Small Commercial & Larger Homes looking to Offset Energy Costs
  • Small Hotels, Hospitals, Schools
  • Frequency Regulation
  • Demand Charge Reduction
  • Backup Power/ Uninterruptible Power Systems

30kW BESS Systems Include

The ATEN 30kW battery energy storage systems (BESS) contains the full battery system with battery management system and three phase power conversion system.  Designed to seamlessly integrate with Solar, Wind, Grid, or Gensets, the ATEN 30kW is the building block to clean energy systems including On-Grid hybrid and Micro-Grid Systems.

ATEN 30kW Systems are fully certified and include:

  • The system storage container
  • 30 kW power conversion system (PCS)
  • ATEN R64 Racks (1, 2 depending on size)
  • BESS Controller with Battery Management System
  • HVAC System for temperature and humidity management
  • WiFi system monitoring so you can check performance anytime
  • System safety labels for better user safety and awareness
  • Installation manual for the entire BESS system
  • Commissioning and annual inspection documents
  • Electrical 3 line & mechanical drawings

Our ATEN BES Systems are designed to make logistics, installation, and commissioning easier.


Enclosure dimensions:

D = 1,300mm, W = 1,850mm, H = 2,591mm

D = 4’3″, W = 6’1″, H = 8’6″


ATEN 30kW BESS System Diagram


Product Image Gallery


Electrical Specifications

ElectricalATEN 30-64ATEN 30-128
Rated Energy Capacity64kWh128kWh
Rated DC Voltage358.4V358.4V
Rated AC Power30kW30kW
Rated Grid Voltage400 ~ 480V400 ~ 480V
AC Rate of Current36-43A36-43A
Grid Frequency Range50Hz/60Hz ± 2.5%50Hz/60Hz ± 2.5%
Isolation Method3 Phase 4 Line Transformer3 Phase 4 Line Transformer


General Specifications

GeneralATEN 30-64ATEN 30-128
Dimension (L/W/H)1850/1300/2591mm1850/1300/2591mm
Weight<4T<4T
Protection RatingIP54IP54
Operating Temperature-20 ~ 40°C-20 ~ 40°C
Max Altitude3000m3000m
Communication InterfacesRS485, Ethernet, GPRSRS485, Ethernet, GPRS
CertificationIEC62619, UN38.3, CE, UL1973, UL9540AIEC62619, UN38.3, CE, UL1973, UL9540A


Learn More

The accuracy or completeness of the System Information is not guaranteed and is subject to change without notice. No license under any AGreatE or third party intellectual property rights is implied or granted with this Information. Customers are solely responsible for evaluating and selecting the Systems and determining whether each System is fit for a particular purpose and suitable for its particular use and method of application. Our Systems are not manufactured to any Customer requirements or specifications unless expressly agreed to in writing by AGreatE.