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Large-Scale Energy Storage Solutions

Scalable, High-Performance Energy Storage
Scalable, High-Performance Energy Storage

At Wenergy, we specialize in advanced energy storage systems engineered for large-scale deployments. Whether supporting a utility-scale operation or enhancing grid flexibility, our modular, liquid-cooled storage solutions deliver unmatched safety, scalability, and long-term performance.

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Global Certification

Key Applications

  • Utility-Scale Storage
  • Grid-Scale Storage
Utility-scale energy storage systems are engineered to support large-scale power generation by ensuring a stable, reliable electricity supply. These systems play a pivotal role in renewable energy integration, mitigating fluctuations from sources like solar and wind, providing grid stabilization, and offering backup power during low generation periods.

Function and Benefits

• Energy Time-Shift

Store excess energy during off-peak hours and release it during peak demand, optimizing grid efficiency.

• Frequency Regulation

Maintain grid stability by providing rapid response to frequency deviations.

• Renewable Integration

Facilitate the integration of intermittent renewable energy sources, enhancing grid resilience and reducing carbon emissions.

Application Scenarios

• Solar and Wind Farms

Enhance the reliability of renewable energy by storing excess power and providing it when needed.

• Power Plants

Improve operational flexibility and reduce reliance on fossil fuels.

Utility-Scale Storage
Grid-scale energy storage systems are critical for ensuring the stability and reliability of electrical grids. They deliver essential services, including voltage regulation, frequency control, and emergency backup power, to maintain a continuous, high-quality power supply.

Function and Benefits

• Grid Stabilization

Provide real-time power adjustments to stabilize voltage and frequency.

• Peak Shaving and Valley Filling

Reduce peak demand and fill valleys, optimizing grid load and reducing operational costs.

•  Emergency Backup

Ensure continuous power supply during outages, enhancing grid resilience.

Application Scenarios

• Transmission and Distribution Networks

Enhance grid stability and reduce transmission losses.

• Microgrids

Support local energy management and improve energy self-sufficiency.

Grid-Scale Storage

Application Cases

CEEC-CGGC Group Project Cluster
CEEC-CGGC Group Project Cluster
PV + Energy Storage
Total Scale: 46.625MW/94MWh
CGGC-Gezhouba Special Cement ESS Project
CGGC-Gezhouba Special Cement ESS Project
PV + Energy Storage
Scale： Phase 1: 4MW / 8MWh
Phase 2: 1.725MW / 3.44MWh 
Solar + Storage + Diesel Integrated Microgrid System
Solar + Storage + Diesel Integrated Microgrid System
Location：Zimbabwe
Scale： Phase 1: 12MWp Solar PV + 3MW / 6MWh ESS
Phase 2: 9MW / 18MWh ESS
Solar-Storage-Diesel Off-Grid System
Solar-Storage-Diesel Off-Grid System
Location：Zambia
Scale: 3.45MW/7.7MWh
Grid-Side Peak Shaving Energy Storage Project
Grid-Side Peak Shaving Energy Storage Project
Location：Bulgaria
Scale: 26MW/52MWh
Grid-side and Commercial & Industrial ESS
Grid-side and Commercial & Industrial ESS
Location：Romania
Scale: 10MW/20MWh
PV + Energy Storage Project
PV + Energy Storage Project
Location：Bulgaria
Scale: 1.725MW / 3.85MWh
Incremental Distribution Network Energy Storage
Incremental Distribution Network Energy Storage
Location：China
Scale: 5.17MW/10.32MWh

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5MWh BESS Installation at Wenergy's Manufacturing Plant
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Featured Products

  • ·High Energy Density

    Maximize storage capacity in a compact design.

  • ·Modular & Scalable

    Easily expand to meet growing energy needs.

  • ·Smart Management

    AI-driven EMS for optimized performance and grid interaction.

  • ·Safety Certified

    Complies with UL 1973 / UL 9540 / UL 9540A / IEC 62619 / IEC 62933 / CE / UN 38.3 / FCC / TÜV / DNV and more.
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Why Wenergy Leads in
Large-Scale Energy Storage

Wenergy’s large-scale energy storage systems combine advanced hardware with intelligent software to deliver reliable, high-performance solutions.
  • Advanced Thermal Management and High-Voltage Architecture:
    Advanced Thermal Management and High-Voltage Architecture:

    Liquid Cooling: Our proprietary liquid cooling technology efficiently manages thermal loads, enhancing performance and extending battery lifespan.

    High-Voltage Capability: Supports voltages up to 1000V and PCS powers up to 120kW, ensuring high efficiency and broad application scenarios.

  • Intelligent Energy Management System (EMS):
    Intelligent Energy Management System (EMS):

    AI-Powered Forecasting: Real-time monitoring and predictive maintenance, optimized for grid interaction.

    Multi-Protocol Compatibility: Supports over 100 protocols and open API integration, ensuring seamless interaction with various grid systems.

  • Robust Safety and Scalability:
    Robust Safety and Scalability:

    6S Security System: Comprehensive safety measures, including advanced fire suppression and leak detection, ensure reliability.

    Modular Design: Flexible and scalable systems for easy expansion and integration with existing infrastructure.

  • Unified Control and Optimization:
    Unified Control and Optimization:

    Cloud-Based BMS: Dual-processor architecture, 4KHz real-time monitoring, and 90% diagnostic coverage.

    Unified Control Platform: Remote monitoring, cross-platform mobile access, and comprehensive health and performance analytics.

Energy Storage System Company You Can Count On

Empowering large-scale energy storage through intelligent design, in-house manufacturing, and global delivery.

  • 1

    Headquarter in Singapore

  • 5

    Global Branches

  • 14 Years

    Battery Cell Manufacturing

  • 660000 +m2

    R&D and Production Base

  • 15 GWh

    Annual Capacity

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Frequently asked questions (FAQ)

  • 1. What is the system composition of Wenergy's containerized BESS?

    Wenergy’s BESS containers integrate battery clusters (with Li-ion cells), a high-voltage PDU, DC combiner cabinet, liquid cooling thermal management system, and multi-level fire suppression (pack & container-level aerosol). The modular design supports 3.44MWh,3.85MWh to 5.016MWh configurations per unit, compliant with IEC/UL/GB standards.

  • 2. What certifications do Wenergy's BESS products hold?

    All systems meet:

    International: IEC 62619, UL 9540A (fire), UN38.3 (transport).

    Regional: GB/T 36276 (China), CE (EU), and local grid codes (e.g., UK G99).

  • 3. What are the key safety features of Wenergy's BESS containers?

    Our systems feature:

    Three-tier protection:

    Cell/pack/cluster-level BMS with overcharge/overcurrent/temperature monitoring.

    Fire safety:

    Dual aerosol suppression (≤12s response) + five-in-one detection (smoke/temperature/H₂/CO).

    IP54/IP65 enclosures and fault-tolerant grounding per UL/IEC 62477-1.

  • 4. What is the expected lifespan and warranty?

    Design life: 10+ years (6,000 cycles at 80% DoD).

    Warranty: 5 years (or 3,000 cycles) for batteries; 2 years for PCS/auxiliaries.

  • 5. What are the transportation and installation requirements?

    Weight: 36T (3.85MWh) / 43T (5.016MWh); sea/road transport (special permits needed for >40T).

    Foundation: C30 concrete base (1.5x reinforcement for 5.016MWh).

    Space: 6.06m(L)×2.44m(W)×2.9m(H); 20% land savings vs. 3.85MWh.

  • 6. What after-sales support is provided?

    Remote monitoring: 24/7 performance tracking via Wenergy EMS.

    On-site: Certified technicians for commissioning/maintenance.

    Spares: Global stock of critical parts (PDUs, cooling units).

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