• Dagong ESS

Containerized Energy Storage Systems for Utility Projects

What is a Containerized Energy Storage System?

A containerized energy storage system (ESS) is a large-scale, modular battery solution integrated into a standard shipping container format—typically 20ft or 40ft. It houses lithium battery packs, battery management systems (BMS), power conversion systems (PCS), energy management systems (EMS), and thermal control systems, all within a single compact enclosure. These systems are designed for grid-scale energy storage, renewable energy buffering, peak shaving, and other high-demand applications.

Types of Containerized ESS

Air-Cooled Containerized ESS
Utilizes industrial-grade air conditioning or forced ventilation to manage battery temperature.
✅ Ideal for moderate climates and environments with sufficient airflow.

Liquid-Cooled Containerized ESS
Employs coolant circulation around battery modules to maintain optimal temperature.
✅ Suitable for harsh, high-temperature environments or high-density storage projects.

Dagong ESS offers:

5MWh Air-Cooled Energy Storage Container

3.35MWh Liquid-Cooled Energy Storage Container

Features of Containerized ESS

Modular Design: Standardized shipping container format enables easy transport, installation, and expansion.

High Capacity: Ranges from 1MWh to over 5MWh per unit, scalable via parallel deployment.

Smart Monitoring: Real-time remote monitoring, fault diagnosis, and intelligent energy dispatch.

Thermal Management: Integrated air or liquid cooling ensures optimal battery temperature.

Certification-Ready: Meets global standards including CE, UN38.3, MSDS, and 3C.

Durability: Built for outdoor, utility-grade applications with IP54/IP65 protection and corrosion-resistant materials.

Applications of Containerized ESS

Utility-Scale Energy Storage

Renewable Integration (Solar/Wind)

Peak Shaving and Load Balancing

Frequency Regulation and Grid Stability

EV Charging Infrastructure

Microgrids and Off-Grid Power Supply

Price of Containerized ESS

The price of a containerized energy storage system depends on capacity (e.g., 1MWh to 5MWh), cooling method (air or liquid), battery chemistry (LFP or NMC), and integration requirements. Liquid-cooled systems typically cost more due to advanced thermal management but offer better long-term performance in demanding conditions.

Pricing is quoted based on international trade terms like EXW, FOB, or CIF, depending on project logistics and destination.

How to Select a Containerized ESS for Your Project

Project Size & Load Profile: Define the required power (MW) and storage (MWh) for your use case.

Cooling Needs: Use air cooling for standard climates; choose liquid cooling for high temperature or high-performance sites.

Integration Requirements: Ensure compatibility with PV, wind, or grid systems, and consider hybrid inverter needs.

Site Conditions: Consider transportation access, installation space, ventilation, and remote monitoring needs.

Compliance: Select systems with international certifications for easier permitting and insurance.

How Long Does a Containerized ESS Last?

With LFP battery chemistry and high-quality design, containerized ESS solutions typically offer a lifespan of 15+ years, and 8,000+ charge/discharge cycles at 70% State of Health (SOH). Proper cooling and intelligent control systems significantly reduce degradation and thermal stress.

The Supplier of Containerized ESS

Dagong ESS offers reliable, certified containerized energy storage solutions for large-scale utility and industrial applications:

✅ 5MWh Air-Cooled Energy Storage Container

Advanced air-cooling system

Modular expansion capability

Real-time monitoring and fault diagnosis

Certified with CE, UN38.3, MSDS, and 3C

8,000 cycles, 15+ year lifespan

✅ 3.35MWh Liquid-Cooled Energy Storage Container

High-efficiency thermal regulation for heavy-duty use

Supports integration with renewable sources or grid systems

Modular and intelligent architecture

8000+ cycles, >15-year service life

Full international certification for global deployment

Both options are designed for plug-and-play deployment with minimal on-site integration, enabling fast project execution and lower total cost of ownership.

📧 To learn more or request a quote, contact Dagong ESS:
Email: sales@dagongess.com
Website: 🌐 www.dagongess.com