Utility-Scale Battery Energy Storage System (BESS)
Technical Specifications & Integration Guide
Our containerized Battery Energy Storage Systems (BESS) are engineered for utility substations, renewable power plants, and industrial microgrids. Ranging from 500 kWh to 10 MWh+, these turnkey solutions integrate LiFePO4 battery racks, Power Conversion Systems (PCS), an Energy Management System (EMS), HVAC thermal control, and multi-tier fire suppression within a standardized outdoor enclosure.
-
![Megawatt Battery Energy Storage System]()
Megawatt Battery Energy Storage SystemWith over 12 years of specialized manufacturing experience, our in-house engineering teams have successfully delivered and commissioned 850 MWh+ of utility-scale and industrial BESS assets across -
![Utility Frequency Regulation Energy Storage System]()
Utility Frequency Regulation Energy Storage SystemThis containerized battery energy storage system is engineered specifically for power transmission operators, utility companies, and renewable energy developers managing grid frequency -
![Renewable Energy Integration Storage System]()
Renewable Energy Integration Storage SystemOur containerized and cabinet-type energy storage systems integrate all power electronics and safety sub-systems into a pre-commissioned platform. This architecture minimizes on-site wiring, reduces -
![Solar Farm Energy Storage System]()
Solar Farm Energy Storage SystemWe engineer and manufacture containerized Battery Energy Storage Systems (BESS) specifically designed for utility-scale solar farms, renewable energy developers, EPC contractors, and independent -
![Large Scale Lithium Battery Energy Storage System]()
Large Scale Lithium Battery Energy Storage SystemChemistry: Lithium Iron Phosphate (LiFePO4), selected for its stable olivine crystal structure that resists thermal runaway under high-stress operation.Cycle Life: Rated for 6,000+ cycles (tested at -
![Grid Scale Battery Storage System]()
Grid Scale Battery Storage SystemOur containerized Grid-Scale Battery Energy Storage System is engineered for utility-scale power networks, renewable energy integration (Solar/Wind), and industrial peak load management. Built within
Core Technical Specifications
|
Parameter |
Specification |
|
Cell Chemistry |
Lithium Iron Phosphate (LiFePO4) |
|
System Capacity |
500 kWh to 10 MWh+ (Scalable via modular container clustering) |
|
Cycle Life |
>= 6,000 cycles at 80% Depth of Discharge (DoD) @ 25°C |
|
Design Life |
15 years under standard utility dispatch profiles |
|
Round-Trip Efficiency |
Up to 95% (System level, including PCS) |
|
PCS Efficiency |
Up to 98.5% |
|
System Response Time |
< 200 ms (Active/Reactive power dispatch) |
|
Thermal Management |
Liquid Cooling or Intelligent Air Cooling (Delta T < 3°C across cells) |
|
Enclosure Protection |
IP55 / NEMA 3R, C5-M anti-corrosion rating |
|
Operating Temperature |
-20°C to +55°C (Automatic derating protection outside nominal range) |
|
Communication Protocols |
Modbus TCP/IP, CAN, RS485, IEC 61850 |
System Architecture & Hardware
High-Density LiFePO4 Battery Racks
Thermal Stability: Utilizes automotive-grade prismatic LiFePO4 cells to mitigate thermal runaway risks under high-C-rate operations.
Degradation Control: Low annual capacity fade profile, making the system suitable for dual-purpose daily cycling (e.g., morning solar shifting and evening peak shaving).
LCOS Optimization: Delivers over 6,000 cycles, lowering the Levelized Cost of Storage and eliminating mid-project battery replacement overhead.
Modular Containerized Design
Standardized Footprint: Available in 20-foot and 40-foot ISO container configurations equipped with integrated power distribution cabinets and auxiliary power systems (UPS).
Scalability: Parallel container architecture allows project capacity to expand from 1 MWh to hundreds of MWh without redesigning the balance of plant (BoP).
Turnkey Integration: Factory pre-assembled, wired, and load-tested prior to dispatch, minimizing on-site civil works and commissioning duration.
Multi-Level Safety Protection
BMS Architecture: Dual-tier Battery Management System (Rack-level BMU and System-level BCU) tracking cell voltage, temperature, current, insulation resistance, and state of charge (SoC).
Active Fire Mitigation: Integrated aerosol or clean-agent gas suppression paired with dual-spectrum smoke and flammable gas (H2/CO) detectors. Triggering activates automatic HVAC shutdown, mechanical exhaust, and fire suppression release.
Electrical Protections: Hardware-interlocked DC circuit breakers, fast-acting fuses, surge protection devices (SPD), and emergency manual trip switches.
Intelligent Energy Management System (EMS)
Dispatch Control: Real-time optimization algorithms handle peak shaving, load shifting, automated frequency regulation, and renewable smoothing.
Diagnostics: Cloud and local HMI platforms provide remote telemetry, automated fault logging, state-of-health (SoH) tracking, and black-start execution capabilities.
Grid Applications & Use Cases
Renewable Energy Integration:
Smooths solar PV and wind generation ramps, capturing excess generation to prevent grid curtailment.
Ancillary Services:
Delivers sub-second frequency response and voltage support to meet utility interconnection grid codes.
Transmission & Distribution Deferral:
Discharges stored energy during peak load windows to relieve stressed substation transformers and delay capital-intensive grid upgrades.
Microgrids & Back-up:
Operates in grid-tied or form-forming islanded modes to maintain uninterrupted power for critical industrial and municipal infrastructure.
Automated Production Lines
Battery modules are assembled via automated laser welding and robotic cell sorting lines to guarantee uniform internal resistance and consistent mechanical tolerances across all racks.
Factory Acceptance Testing (FAT) Protocols
Every container undergoes rigorous factory testing before shipment:
- Cell Matching & Capacity Verification
- High-Voltage Insulation Resistance Testing (2.5 kV DC withstand)
- Communication Protocol Handshake (SCADA/EMS loop check)
- Full-Load Charge and Discharge Thermal Run-in Test
- Safety Interlock & Emergency Shutdown Verification
International Standards Compliance
Systems are engineered to meet or exceed regional grid codes and safety standards:
Electrical & Battery Safety: IEC 62619, IEC 62933, UL 9540, UL 9540A (unit-level and installation-level fire safety validation).
EMC & Transport: IEC 61000, UN38.3.
Directives: CE, RoHS.
Project Execution, Delivery & Lifecycle Services
To support global EPC contractors and energy developers through the complete project lifecycle, our engineering services cover every stage from initial design to commercial operation.
Pre-Sales Engineering & Customization
Grid Compliance Analysis: Custom electrical modeling and parameter tuning to match local transmission-system operator (TSO) or distribution-system operator (DSO) grid interconnection codes.
Layout Optimization: Provision of 3D General Arrangement (GA) layouts, foundation weight distribution maps, and cable entry planning diagrams tailored to site constraints.
Delivery & On-Site Commissioning Support
Logistics Management: Standard ISO-compliant containerized shipping with tilt-watch and shock-impact indicators, optimized for maritime and inland heavy transport.
Commissioning Assistance: Provision of certified field service engineers for on-site supervision, mechanical/electrical tie-in verification, system cold/hot commissioning, and black-start execution.
Long-Term O&M and Warranty
Tier-1 Warranty Structure: Comprehensive performance warranties covering battery capacity retention (>= 70%-80% at end of warranty), PCS hardware, and auxiliary systems.
Remote Diagnostic Support: 24/7 cloud monitoring portal access with automated fault-ticket generation and remote firmware updates.
Spare Parts & Replacements: Regional modular spare parts inventory and rapid-response technical troubleshooting teams to minimize project downtime.
FAQ
As one of the most professional utility scale energy storage systems manufacturers and suppliers in China, our products have good reputation in the market. We warmly welcome you to buy high quality utility scale energy storage systems made in China here from our factory. Customized orders are welcome.
