The 1MW/2MWh Battery Energy Storage System is an integrated 1MW 2MWh containerized battery energy storage system for C&I, rated for 1MW of output power and capable of sustained full-power discharge for 2 hours (2MWh total capacity). The system is housed in a standard 20-foot or 40-foot outdoor container enclosure, enabling convenient transportation and rapid on-site deployment.
Supports customization to meet specific business energy storage needs.
Supports customization to meet specific business energy storage needs.
What are the key benefits of using this system for commercial use?
This system provides cost savings by reducing peak demand charges, enhances energy independence, and supports sustainability by integrating with renewable energy sources.
Is the system designed to support off-grid applications?
Yes, the system can function in off-grid setups when paired with solar or wind, providing reliable energy storage and backup power for remote locations.
What is the lifespan of the battery and its warranty?
The battery is designed for long-term use with a lifespan of 10+ years, and it comes with a comprehensive warranty for both performance and efficiency.
What safety features are included in the Sunpal energy storage system?
It includes a LiFePO4 LFP battery energy storage system with 3-tier BMS, using lithium iron phosphate cells for high safety, strong thermal stability, and long cycle life, with real-time protection at the cell, module, and system levels. A built-in bidirectional PCS energy storage system enables efficient two-way power conversion, while precision HVAC thermal management and an automatic Novec 1230 or perfluorohexanone fire suppression system enhance safety under demanding operating conditions. The system also integrates medium-voltage step-up transformer battery energy storage with high- and low-voltage switchgear for direct connection to the local utility grid, supported by real-time monitoring for reliable system operation.
What are the standard capacity configurations of this C&I BESS?
The standard configuration is 1MW/2MWh. We also offer flexible options such as 1MW/1MWh, 1MW/3MWh, 2MW/2MWh, and 2MW/4MWh to match different load demands, electricity tariffs, and PV system sizes. The modular design allows easy future expansion as energy needs grow.
What core functions does the EMS energy management system provide?
The EMS continuously monitors energy generation, storage, and consumption in real time. It supports peak shaving, load shifting, demand response, and grid frequency regulation by leveraging the system’s fast response capability to help maintain grid frequency stability. In the event of a complete grid outage, the energy storage system can self-start and power surrounding loads, providing critical backup power support. It also supports PV output smoothing by working alongside commercial distributed solar PV or wind power to smooth real-time power fluctuations and improve renewable energy utilization, as well as backup power management, remote dispatch, fault diagnosis, and cloud-based monitoring. Intelligent charging and discharging strategies are automatically executed according to electricity tariffs, grid conditions, and operational objectives.
What is the estimated cost and payback period for a 1MW/2MWh BESS?
The total equipment and installation cost for the system typically ranges from $220,000 to $850,000 USD, depending on supplier tier, site construction complexity, and the cooling technology selected. Based on local peak-to-off-peak electricity price spreads, demand response incentives, and renewable energy policy support, the average payback period for commercial and industrial projects is 3 to 6 years.
What is the C-rate capability and System Round-Trip Efficiency (RTE) of this 1MW / 2MWh system?
The system operates at a standard 0.5C charge/discharge rate (delivering 1MW continuous power output for 2 hours, resulting in 2MWh stored energy). Driven by intelligent liquid-cooling temperature control and high-efficiency bidirectional PCS, the complete system maintains a high AC-to-AC System Round-Trip Efficiency (RTE) of 88% to 90%, significantly reducing auxiliary power losses.
What fire safety architecture is integrated to prevent thermal runaway propagation in the 1MW / 2MWh container?
Safety is engineered at the cell, pack, rack, and container levels through a multi-stage defense system:
Early Warning Detection: Multi-sensor detectors monitoring temperature, smoke, hydrogen (H₂), and carbon monoxide (CO).
3-Tier Fire Suppression: Combines Perfluorohexanone (Novec 1230 gas) at the pack level + Aerosol + Water deluge system at the container level to rapidly extinguish fire hazards and isolate thermal runaway propagation.
Structural Protection: IP54/IP55 rated heavy-duty insulated container walls designed in full compliance with NFPA 855 and UL 9540A safety standards.
